View Full Version : Oklahoma Weather Discussion - August/September 2012



Pages : 1 [2] 3

Jon27
08-08-2012, 06:59 PM
So how many more record setting months like that are required to happen before conservatives start believing that global warming is real, rather than a hoax?

Don't start, this is a weather thread, not politics.

venture
08-09-2012, 01:22 PM
Red Flag Warning is up now...winds are up and humidity has vanished pretty quickly.

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE NORMAN OK
143 PM CDT THU AUG 9 2012


...RED FLAG WARNING THIS AFTERNOON...


.GUSTY NORTHWEST WINDS BEHIND A WEAK COLD FRONT ALONG
WITH VERY DRY CONDITIONS WILL RESULT IN EXTREME FIRE
BEHAVIOR.


OKZ016>031-033>041-044>046-050-TXZ083>090-100000-
/O.NEW.KOUN.FW.W.0013.120809T1843Z-120810T0000Z/
CUSTER-BLAINE-KINGFISHER-LOGAN-PAYNE-BECKHAM-WA****A-CADDO-
CANADIAN-OKLAHOMA-LINCOLN-GRADY-MCCLAIN-CLEVELAND-POTTAWATOMIE-
SEMINOLE-HARMON-GREER-KIOWA-JACKSON-TILLMAN-COMANCHE-STEPHENS-
GARVIN-MURRAY-COTTON-JEFFERSON-CARTER-LOVE-HARDEMAN-FOARD-
WILBARGER-WICHITA-KNOX-BAYLOR-ARCHER-CLAY-
143 PM CDT THU AUG 9 2012


...RED FLAG WARNING IN EFFECT UNTIL 7 PM CDT THIS EVENING FOR
GUSTY WINDS AND LOW HUMIDITY FOR CENTRAL AND SOUTHWEST OKLAHOMA
AND WESTERN NORTH TEXAS...


THE NATIONAL WEATHER SERVICE IN NORMAN HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT UNTIL 7 PM CDT THIS EVENING.


* WIND...NORTHWEST WINDS 15 TO 20 MPH WITH GUSTS NEAR 30 MPH


* HUMIDITY...15 TO 20 PERCENT


* TEMPERATURE...95 TO 105


* IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY.


PRECAUTIONARY/PREPAREDNESS ACTIONS...


FIRES MAY START EASILY AND SPREAD RAPIDLY. REPORT SMOKE OR FIRE
TO YOUR LOCAL FIRE DEPARTMENT.

Dubya61
08-09-2012, 01:24 PM
twitter says there's a fire at Indian Hills Road and Sooner Road.

venture
08-11-2012, 07:57 PM
Slight risk tomorrow roughly South and East of I-44.

DAY 2 CONVECTIVE OUTLOOK RESENT 1
NWS STORM PREDICTION CENTER NORMAN OK
1237 PM CDT SAT AUG 11 2012

VALID 121200Z - 131200Z

...THERE IS A SLGT RISK OF SVR TSTMS ACROSS PARTS OF SRN AND ERN
OK...FAR N CENTRAL TX...AND EXTREME PORTIONS OF NWRN AR/SWRN MO/SERN
KS...

...SYNOPSIS...
THE LOWER GREAT LAKES CLOSED LOW SHOULD BE LOCATED OVER SWRN QUEBEC
AT 12Z SUNDAY. THIS FEATURE WILL MAINTAIN A NEWD TRACK DURING DAY 2
BECOMING AN OPEN WAVE AS IT MOVES ACROSS SRN QUEBEC...AND THE SWD
EXTENDING TROUGH WILL MOVE OFF THE EAST COAST BY 12Z MONDAY.
MEANWHILE...WEAK SHORTWAVE RIDGING IMMEDIATELY UPSTREAM WILL BE
SHORT-LIVED AS A BROAD LONGWAVE TROUGH DEVELOPS OVER THE UPPER-MID
MS VALLEY REGION WITH THE APPROACH OF A SHORTWAVE TROUGH...CURRENTLY
CENTERED OVER MT/WY PER WATER VAPOR IMAGERY.

AT THE SURFACE...AN AREA OF LOW PRESSURE ASSOCIATED WITH THE MT/WY
SHORTWAVE TROUGH WILL TRACK FROM ERN SD TO WEST CENTRAL IL SUNDAY/
SUNDAY NIGHT. A TRAILING COLD FRONT WILL MOVE THROUGH THE LOWER MO
VALLEY AND ACROSS KS/OK. THIS BOUNDARY SHOULD EXTEND FROM THE LOW
IN WEST CENTRAL IL SWWD THROUGH ERN/SRN MO TO SERN OK AND NWRN TX BY
12Z MONDAY. MEANWHILE...A WEAK FRONT ATTENDANT TO THE DEPARTING
CLOSED LOW/ERN TROUGH WILL SHIFT SLOWLY EWD THROUGH THE ATLANTIC
COASTAL STATES.

...N TX/SRN AND ERN OK/WRN AR/ERN KS/MO...
THE SRN PORTION OF THE SHORTWAVE TROUGH TRACKING TOWARD THE
UPPER-MID MS VALLEY ON SUNDAY IS EXPECTED TO GLANCE AREAS AS FAR
SOUTH AS OK TO AR. SLY LOW LEVEL WINDS DEVELOPING E OF THE
APPROACHING COLD FRONT WILL ALLOW GREATER MOISTURE TO RETURN NWD
ACROSS THE SLIGHT RISK AREA BENEATH THE ERN EXTENT OF STEEPER
MIDLEVEL LAPSE RATES. THIS COMBINED WITH STRONG DIABATIC HEATING
WILL SUPPORT MODERATE INSTABILITY TO AROUND 1500 J/KG. DESPITE
GENERALLY WEAK FORCING FORECAST THIS FAR S...SURFACE TEMPERATURES
INTO THE MID 90S TO AROUND 100 F SHOULD BE SUFFICIENT FOR WEAKENING
INHIBITION SUPPORTING TSTM DEVELOPMENT ALONG AND AHEAD OF THE COLD
FRONT FROM N TX INTO NERN OK. MOST MODELS SUPPORT THIS SCENARIO
WITH THE 12Z WRF-NMM 4 KM INDICATING TSTM DEVELOPMENT BETWEEN 19-22Z
IN THIS CORRIDOR. STRENGTHENING WNWLY MIDLEVEL WINDS WILL SUPPORT
EFFECTIVE BULK SHEAR STRONG ENOUGH FOR ORGANIZED STORMS INCLUDING A
FEW SUPERCELLS. THIS ACTIVITY WILL TEND TO BE HIGH BASED INITIALLY
WITH A THREAT FOR DAMAGING WINDS AND LARGE HAIL. AS THE SLY LLJ
INCREASES ACROSS ERN OK/WRN AR SUNDAY EVENING...AN INCREASE IN LOW
LEVEL SHEAR WOULD SUPPORT AT LEAST A MARGINAL TORNADO THREAT.

FARTHER N INTO MO...LOW LEVEL WAA SHOULD SUPPORT A TSTM POTENTIAL
AFTER DARK. ALTHOUGH INSTABILITY WILL BE MODERATE...A WEAKENING
TREND IN EFFECTIVE BULK SHEAR SHOULD LIMIT THE SEVERE WEATHER THREAT
OVERNIGHT.

FARTHER S OVER THE REST OF N TX...FORECAST SOUNDINGS SUGGEST A WARM
LAYER /600-700 MB/ SHOULD TEND TO MAINTAIN A CAP WITH SWD EXTENT.
ANY STORMS THAT CAN DEVELOP ALONG AND AHEAD OF THE FRONT IN N TO
CENTRAL TX WILL ALSO HAVE WEAKER EFFECTIVE BULK SHEAR...LIMITING
STORM ORGANIZATION AND THE SUBSEQUENT OVERALL SEVERE WEATHER THREAT.
THUS...THIS OUTLOOK...WHILE SHIFTING SEVERE PROBABILITIES SEWD INTO
PARTS OF N TX...MAINTAINS A LOW POTENTIAL /I.E. 5 PERCENT/.

venture
08-12-2012, 06:38 AM
Nice area of scattered showers today helping to get things nice and damp...not much more than that right now. Amounts are very light and we are still going to get into the 90s/100s later to dry things up. Slight risk today remains essentially right along I-44 and to the east.

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0729 AM CDT SUN AUG 12 2012

VALID 121300Z - 131200Z

...THERE IS A SLGT RISK OF SVR TSTMS FROM PARTS OF OK/TX INTO
WESTERN MO/AR...

...CENTRAL/SOUTHERN PLAINS...
MORNING SATELLITE LOOPS SHOW A STRONG SHORTWAVE TROUGH OVER SD/NEB
AND NORTHWEST KS. THIS SYSTEM IS EXPECTED TO MOVE INTO
IA/MO/EASTERN KS/OK BY LATER THIS AFTERNOON...HELPING TO INITIATE
SCATTERED THUNDERSTORMS. LOW CLOUDS AND LIGHT PRECIPITATION ARE
PRESENTLY OCCURRING OVER THIS REGION...WHICH WILL LIKELY DELAY
STRONG DAYTIME HEATING UNTIL LATE MORNING/EARLY AFTERNOON.
HOWEVER...IT DOES APPEAR THAT AN AXIS OF MODERATE CAPE WILL
EVENTUALLY BECOME ESTABLISHED FROM SOUTHERN OK INTO SOUTHWEST MO.
STORMS ARE EXPECTED TO FORM BY LATE AFTERNOON AS THE SURFACE COLD
FRONT BEGINS IMPINGING ON RICHER MOISTURE ACROSS SLIGHT RISK AREA.
FORECAST SOUNDINGS SHOW SUBSTANTIAL FLOW ALOFT PROVIDING FAVORABLE
EFFECTIVE SHEAR VALUES FOR ORGANIZED/SUPERCELL STORMS. DAMAGING
WINDS AND LARGE HAIL WILL BE POSSIBLE ACROSS THIS AREA.

SoonerDave
08-13-2012, 07:23 AM
Hey, Venture, aren't we getting closer to our secondary fall severe weather season?

Memories of standing under the east deck at Oklahoma Memorial Stadium during some evening monsoons hitting amid a few early-season games in Norman the last couple of years reminded me that time is approaching..

venture
08-13-2012, 07:43 AM
Hey, Venture, aren't we getting closer to our secondary fall severe weather season?

Memories of standing under the east deck at Oklahoma Memorial Stadium during some evening monsoons hitting amid a few early-season games in Norman the last couple of years reminded me that time is approaching..

Yup. Usually starts to ramp up mid-September through early November. I would be okay with an early start if it means some rain. LOL

SoonerDave
08-13-2012, 08:27 AM
Yup. Usually starts to ramp up mid-September through early November. I would be okay with an early start if it means some rain. LOL

No kidding! I was hearing some early rumblings of a pattern change toward more rain - perhaps even significant - in about ten days or so...you seeing anything like that?

bandnerd
08-14-2012, 05:42 AM
I don't know what's happening, but I do know that the mornings are so lovely right now. Very unexpected for August. I know band directors and students around here are probably literally sighing with relief.

venture
08-14-2012, 07:41 AM
So rain chances definitely going up for the rest of the week. Few outside chances for severe storms next 3 days...

TODAY...

...NERN NM/TX PANHANDLE REGION ESEWD ACROSS SWRN OK/N TX...
AFTERNOON CONVECTIVE DEVELOPMENT IS FORECAST ALONG THE
QUASI-STATIONARY FRONT EXTENDING ACROSS THIS AREA...AS DIURNAL
HEATING RESULTS IN MODEST DESTABILIZATION ATOP A DEEP MIXED LAYER.
WHILE STRONGER FLOW ALOFT SHOULD REMAIN N OF THE RED RIVER ON THE
COOL SIDE OF THE BOUNDARY...A FEW MULTICELL CLUSTERS WILL BE
POSSIBLE. THIS -- COMBINED WITH THE DEEP SUB-CLOUD LAYER ENHANCING
DOWNDRAFT POTENTIAL AND STEEP LAPSE RATES -- SUGGESTS
LOW-PROBABILITY THREAT FOR ISOLATED DAMAGING GUSTS AND HAIL INTO THE
EVENING HOURS.

WEDNESDAY...

...SOUTHERN PLAINS...
A RELATIVELY HOT/DEEPLY MIXED BOUNDARY LAYER ALONG/SOUTH OF A
REMNANT/SLOW-NORTHWARD SHIFTING FRONT MAY ALLOW FOR ISOLATED
DOWNBURSTS WHERE STORMS FORM WEDNESDAY AFTERNOON/EARLY EVENING
ACROSS NORTH TX/FAR SOUTHERN OK AND PERHAPS ADJACENT PARTS OF THE
ARKLATEX.

THURSDAY...

...SOUTHERN PLAINS/MID-SOUTH...
ALTHOUGH WELL-REMOVED FROM THE STRONGER WESTERLIES ALOFT OVER THE
MIDWEST...ISOLATED TO SCATTERED TSTMS ARE EXPECTED TO DEVELOP
ALONG/AHEAD OF THE SOUTHEASTWARD MOVING COLD FRONT ACROSS THE
REGION. A HOT/DEEPLY MIXED BOUNDARY LAYER WILL ACCOUNT FOR ISOLATED
DOWNBURST POTENTIAL THURSDAY AFTERNOON/EARLY EVENING.

venture
08-14-2012, 10:37 AM
Light to moderate liquid type stuff that falls from the sky every now and then, is increasing in coverage a bit. Right now looks like best areas are going to be along and north Highway 51. More isolated/narrower band of this substance is going to be roughly from Highway 9 and to the north.

It's a start.

venture
08-14-2012, 05:21 PM
http://www.spc.noaa.gov/products/watch/ww0579_radar.gif

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 579
NWS STORM PREDICTION CENTER NORMAN OK
605 PM CDT TUE AUG 14 2012

THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

WESTERN AND SOUTHERN OKLAHOMA
NORTHERN TEXAS

EFFECTIVE THIS TUESDAY NIGHT AND WEDNESDAY MORNING FROM 605 PM
UNTIL 100 AM CDT.

WIDELY SCATTERED DAMAGING WINDS TO 65 MPH
WIDELY SCATTERED LARGE HAIL TO 1.5 INCHES IN DIAMETER

THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 55
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 40 MILES WEST OF
ALTUS OKLAHOMA TO 60 MILES EAST SOUTHEAST OF DURANT OKLAHOMA.
FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU9).

REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
AND POSSIBLE WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY
DO PRODUCE TORNADOES.

DISCUSSION...TSTMS EXPECTED TO PERSIST AND POSSIBLY INCREASE IN
COVERAGE/STRENGTH ACROSS WW AREA THROUGH MID-LATE EVE AS REGION IS
GLANCED BY ASCENT ASSOCIATED WITH KS/MO SHORTWAVE IMPULSE.
FORWARD-PROPAGATING DEVELOPMENT/OCCASIONAL BOWING STRUCTURES MAY BE
FOSTERED IN SW OK BY ELY LOW LVL FLOW INVOF SWD-MOVING W-E BOUNDARY.
MORE WDLY SCTD ACTIVITY WITH A POTENTIAL FOR LOCALLY DMGG WIND MAY
OCCUR FARTHER SE...INVOF WEAK NWD-MOVING W-E FRONT IN N TX AND S
CNTRL OK...WHERE SOMEWHAT GREATER MOISTURE RESIDES WITHIN INVERTED-V
THERMODYNAMIC ENVIRONMENT.

AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 65
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM
MOTION VECTOR 29025.

OKCisOK4me
08-14-2012, 06:26 PM
Well isn't that nice for them. Here's to no lightning strikes in dry distant fields!

Roadhawg
08-15-2012, 06:46 AM
I'm starting to think OKC has some kind of force field that pushed rain around it.

venture
08-15-2012, 07:57 AM
I'm starting to think OKC has some kind of force field that pushed rain around it.

At least the north side of OKC got rain yesterday. Norman...I'm not sure what is going on. It is like the "Norman bubble" that normally deflects severe weather is in full force. LOL

http://www.mesonet.org/data/public/mesonet/maps/daily/mesonet.rainfall.tenthinch.png

silvergrove
08-15-2012, 01:05 PM
At least the north side of OKC got rain yesterday. Norman...I'm not sure what is going on. It is like the "Norman bubble" that normally deflects severe weather is in full force. LOL

http://www.mesonet.org/data/public/mesonet/maps/daily/mesonet.rainfall.tenthinch.png

Two of those force fields are around major cities (OKC and Tulsa). Think the urban microclimate may have anything to do with that?

venture
08-16-2012, 08:35 AM
Slight Risk today for most of Oklahoma expect far NW, and far southern counties. All of Central OK is included.

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0741 AM CDT THU AUG 16 2012

VALID 161300Z - 171200Z

...THERE IS A SLGT RISK OF SVR TSTMS FROM THE SRN GREAT LAKES ACROSS
THE MIDDLE MS VALLEY INTO OK...

...SYNOPSIS...
AMPLIFIED UPPER LEVEL LONG WAVE PATTERN WILL PERSIST WITH A RIDGE
FROM THE SRN PLATEAU INTO THE PACIFIC NW AND A TROUGH OVER THE ERN
STATES. THE ERN TROUGH IS FORECAST TO DEEPEN AS A STRONG VORTICITY
MAX/SHORT WAVE TROUGH EXTENDING FROM NWRN ONTARIO INTO MN MOVES
ESEWD ACROSS THE GREAT LAKES DURING THE PERIOD. THIS WILL FORCE A
DOWNSTREAM SHORT WAVE TROUGH OVER NEW ENGLAND NEWD TOWARD THE
CANADIAN MARITIMES BY TONIGHT.

AT THE SURFACE...A STRONG COLD FRONT FROM UPPER MI AND WI SWWD INTO
ERN IA/NWRN MO/SOUTH CENTRAL KS AND THE TX PANHANDLE INTO NRN NM
WILL MOVE EWD/SEWD ACROSS THE GREAT LAKES...MIDDLE MS VALLEY AND SRN
PLAINS PROVIDING A FOCUS FOR STRONG/SEVERE THUNDERSTORM ACTIVITY.

...SRN GREAT LAKES ACROSS THE MIDDLE MS VALLEY INTO OK...
ONGOING THUNDERSTORMS FROM NWRN LOWER MI SWWD INTO NWRN IL AND ERN
IA HAVE PERSISTED OVERNIGHT SUPPORTED BY WARM ADVECTION ASSOCIATED
WITH A SWLY LOW LEVEL JET FROM THE LOWER MO VALLEY INTO THE WRN
GREAT LAKES. STORMS HAVE LIKELY BEEN SLIGHTLY ELEVATED AND HAVE
PRODUCED OCCASIONAL MARGINAL HAIL AND 35-45 KT SURFACE WIND GUSTS.
THIS ACTIVITY IS EXPECTED TO CONTINUE SPREADING EWD THIS MORNING
TOWARD LOWER MI AND ACROSS NRN IL WITH A THREAT FOR ISOLATED HAIL
AND STRONG WIND GUSTS.

THE ENVIRONMENT DOWNSTREAM FROM THIS CONVECTION AND SWWD AHEAD OF
THE COLD FRONT IS EXPECTED TO DESTABILIZE INTO THE AFTERNOON AS
DIABATIC HEATING AND LOW LEVEL MOISTENING OCCUR...WITH MLCAPE AHEAD
OF THE COLD FRONT RANGING FROM 1000 J/KG OVER LOWER MI TO 2000 J/KG
FROM IL SWWD INTO OK. INTENSIFICATION OF CURRENT STORMS AND/OR
DEVELOPMENT OF NEW CONVECTION IS EXPECTED THIS AFTERNOON ALONG/AHEAD
OF THE COLD FRONT AND OUTFLOW BOUNDARIES. STRONGER WINDS ALOFT
ASSOCIATED WITH A MID/UPPER LEVEL JET STREAK /60 KT AT 500 MB AND 90
KT AT 250 MB/ MOVING TOWARD THE MIDDLE MS VALLEY WILL ENHANCE
VERTICAL SHEAR ALONG THE FRONT AS FAR SOUTH AS MO AND PROMOTE
DEVELOPMENT OF ORGANIZED MULTICELL AND ISOLATED SUPERCELL
STRUCTURES. A FEW SEVERE STORMS WITH DAMAGING WIND AND LARGE HAIL
WILL BE POSSIBLE MAINLY THIS AFTERNOON AND EVENING.

SOME UNCERTAINTY EXISTS REGARDING THE WRN EXTENT OF SEVERE POTENTIAL
OVER THE SRN PLAINS AS WEAKER WINDS ALOFT AND LIMITED VERTICAL SHEAR
WILL FAVOR A MIX OF WEAKLY ORGANIZED MULTICELL AND PULSE STORM
TYPES. HOWEVER...FORECAST SOUNDINGS EXHIBIT A DEEP WELL MIXED PBL
WITH STEEP LOW LEVEL LAPSE RATES AND DCAPE AOA 1000 J/KG. THIS
THERMODYNAMIC ENVIRONMENT SUGGESTS POTENTIAL FOR STRONG DOWNBURST
WINDS AND HAIL WITH STRONGER CELLS LATER THIS AFTERNOON AND EVENING.

venture
08-16-2012, 09:11 AM
Scattered to isolated storms are going up from the Ada area back up to the OKC Metro and then SW along I-44 and out towards Altus. Should see things continue to develop through the day and hopefully break this 70-day streak of nearly no rain in Norman.

venture
08-16-2012, 10:46 AM
Western edge of Slight risk from I-35 and west was removed in the latest update. Remains to the east.

SoonerDave
08-16-2012, 02:39 PM
About 60-90 mins ago, there was some pretty nice cumulus development in what appeared to be western Oklahoma County into Canadian county, but in the last 20 minutes or so that's thinned out substantially. Radar is showing some echoes along a line from SW Canadian county northeast, but I'm wondering if that might actually be a wind shift line or frontal boundary showing up on the radar??

Roadhawg
08-17-2012, 07:00 AM
Weather last night showed a pretty good chance of rain tomorrow, according to their computer models around an inch but I'll believe that when I see it.

venture
08-17-2012, 07:37 AM
Weather last night showed a pretty good chance of rain tomorrow, according to their computer models around an inch but I'll believe that when I see it.

Yeah. NAM is on the high side with 0.50 to 1.25" of rain, GFS is down around 0.2 to 0.5" of rain. We'll see.

venture
08-18-2012, 05:59 AM
Latest HRRR continues to develop more precip over Central into SE Oklahoma through the morning/early afternoon. It also takes the storms over NW OK and develops them into a bow complex that will move through the Metro area from 1pm to 4pm this afternoon. We'll see if that actually happens.

Slight risk for much of the state today.

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1257 AM CDT SAT AUG 18 2012

VALID 181200Z - 191200Z

...THERE IS A SLGT RISK OF SVR TSTMS OVER PORTIONS OF THE
CENTRAL/SRN PLAINS INTO THE ARKLATEX...

...THERE IS A SLGT RISK OF SVR TSTMS OVER PORTIONS OF THE
MID-ATLANTIC/COASTAL CAROLINAS...

...SYNOPSIS...
A BROAD LONG WAVE TROUGH WILL CONTINUE ACROSS THE ERN TWO-THIRDS OF
THE CONUS ON SAT WITH AN UPPER LEVEL RIDGE REMAINING OVER THE WEST.
A SHORTWAVE TROUGH CURRENTLY ENTERING THE NRN PLAINS WILL MOVE S/SE
ALONG THE WRN PORTION OF THE UPPER TROUGH AND INTO THE MO RIVER
VALLEY. AN UPPER LEVEL TROUGH OVER THE NE PAC WILL MOVE INLAND OVER
THE PAC NW/NRN CA.

AT THE SURFACE...A COLD FRONT ACCOMPANYING THE CENTRAL U.S.
SHORTWAVE WILL MOVE SWD TO A POSITION FROM SERN NEB INTO THE TX
PANHANDLE BY 19/00Z...WHERE IT WILL INTERSECT A WARM FRONT EXTENDING
SEWD ALONG THE RED RIVER AND INTO THE MID MS RIVER VALLEY. A COLD
FRONT WILL MOVE EWD OFF THE EAST COAST.

...CENTRAL/SRN PLAINS EWD TO ARKLATEX...
A WARM FRONT IS EXPECTED TO BE IN THE GENERAL VICINITY OF THE RED
RIVER AT 12Z SAT...WITH THE WWD PORTION LIFTING NWD DURING THE DAY
IN RESPONSE TO THE APPROACHING SHORTWAVE TROUGH. THE POTENTIAL FOR
ON-GOING OR MORNING TSTM DEVELOPMENT ACROSS THE CENTRAL/SRN PLAINS
ADDS SOME UNCERTAINTY TO THE AMOUNT OF NWD MOVEMENT OF THE FRONT
DURING THE DAY. CURRENT INDICATIONS ARE THAT THE COLD FRONT-WARM
FRONT INTERSECTION WILL BE LOCATED ACROSS THE TX PANHANDLE BY 18Z
WITH THE WARM FRONT EXTENDING SEWD TOWARDS THE ARKLATEX.

TSTMS WILL LIKELY DEVELOP OR INTENSIFY NEAR THE COLD FRONT/WARM
FRONT INTERSECTION BY EARLY AFTN AND MOVE SEWD ALONG OR SOUTH OF THE
WARM FRONT. STRENGTHENING WIND FIELDS WILL LEAD TO DEEP LAYER SHEAR
OF 40-50 KTS OVER WRN PORTIONS OF THE SLIGHT RISK AREA WHICH WILL
SUPPORT SUPERCELL STRUCTURES INITIALLY... WITH TSTMS POTENTIALLY
EVOLVING INTO A SEWD-MOVING COMPLEX WITH TIME. OTHER SVR TSTMS MAY
DEVELOP FARTHER EAST ALONG THE WARM FRONT AND IN THE WARM SECTOR AIR
MASS TO THE SOUTH AS FORCING FOR ASCENT AND AREAS OF STRONG DIABATIC
HEATING ASSIST IN REMOVING CINH.

ADJUSTMENTS TO SVR PROBABILITIES ARE POSSIBLE WITH LATER OUTLOOKS AS
THE IMPACTS OF OVERNIGHT CONVECTION ARE ASSESSED.

venture
08-18-2012, 09:07 AM
http://www.spc.noaa.gov/products/md/mcd1784.gif

MESOSCALE DISCUSSION 1784
NWS STORM PREDICTION CENTER NORMAN OK
0929 AM CDT SAT AUG 18 2012

AREAS AFFECTED...NW OK AND PARTS OF ADJACENT SRN KS

CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY

VALID 181429Z - 181600Z

PROBABILITY OF WATCH ISSUANCE...20 PERCENT

SUMMARY...THE RISK FOR AT LEAST LOCALIZED STRONG SURFACE GUSTS NEAR
STORMS MAY NOT BE NEGLIGIBLE...BUT SEVERE WEATHER POTENTIAL STILL
SEEMS LOW ENOUGH THAT A WATCH IS NOT ANTICIPATED IN THE NEAR TERM.
TRENDS WILL...HOWEVER...CONTINUE TO BE CLOSELY MONITORED.

DISCUSSION...THE SMALL CLUSTER OF THUNDERSTORMS WHICH HAS SPREAD
ACROSS THE GARDEN CITY AND DODGE CITY AREAS WITHIN THE LAST COUPLE
OF HOURS HAS BEEN FLUCTUATING IN INTENSITY...BUT GENERALLY REMAINS
FAIRLY VIGOROUS AS IT APPROACHES THE OKLAHOMA/KANSAS BORDER TO THE
NORTHWEST OF ALVA OK. THIS ACTIVITY IS OCCURRING IN THE WAKE OF
SEVERAL DOWNSTREAM CONVECTIVE CLUSTERS...WITHIN WEAK TO MODERATE
NORTHWEST FLOW ACROSS THE SOUTHERN PLAINS. OUTFLOW ASSOCIATED WITH
THESE CLUSTERS HAS REINFORCED THE RELATIVELY COOL/STABLE BOUNDARY
LAYER NEAR/NORTHEAST OF A REMNANT STALLED SURFACE FRONT ACROSS THE
RED RIVER VALLEY REGION. THIS SEEMS TO LIMIT DOWNBURST
POTENTIAL...PARTICULARLY GIVEN THE WEAKNESS OF THE AMBIENT LOW-
LEVEL FLOW FIELDS. HOWEVER...DEVELOPING SURFACE PRESSURE
PERTURBATIONS ASSOCIATED WITH THE CONVECTION HAVE BEEN SIGNIFICANT
ENOUGH TO CONTRIBUTE TO STRONG SURFACE GUSTS ACROSS SOUTHWEST
KANSAS...WHERE ONE SIGNIFICANT FALL/RISE COUPLET WAS EVIDENT
NEAR/SOUTHEAST OF DODGE CITY AT 14Z. GIVEN THE EXTENT OF THE
DOWNSTREAM CONVECTION...WHICH CONTINUES TO INCREASE IN
COVERAGE...THE LONGEVITY OF THIS FEATURE...AND THE EXTENT OF THE
SEVERE WEATHER POTENTIAL IN THE SHORT TERM REMAINS UNCLEAR...BUT
STILL SEEMS LOW AT THE PRESENT TIME.

..KERR/MEAD.. 08/18/2012

venture
08-18-2012, 09:09 AM
Updated outlook for today...

...CNTRL/SRN PLNS SE INTO ARKLATEX/LWR MS VLY THROUGH TNGT...
AFOREMENTIONED WARM FRONT...AND OUTFLOW BOUNDARIES FROM OVERNIGHT
CONVECTIVE CLUSTERS...SHOULD SERVE TO FOCUS LOW LVL
CONVERGENCE/DIURNALLY ENHANCED TSTM DEVELOPMENT THROUGH THE PERIOD
FROM PARTS OF TX AND OK ESE INTO THE LWR MS VLY. PATTERN/TIMING OF
CONVECTIVE DEVELOPMENT WILL...HOWEVER...BE COMPLICATED BY THE
DIFFUSE/FRAGMENTED NATURE OF THE BOUNDARIES...BY CONSIDERABLE CLOUD
COVER...AND BY IMPULSES IN WNWLY MID/UPR LVL FLOW.

A FORWARD-PROPAGATING CONVECTIVE SYSTEM MAY EVENTUALLY ARISE FROM
ONGOING...LOOSELY ORGANIZED CLUSTER OF SLIGHTLY ELEVATED STORMS NOW
OVER SE OK/SRN AR. GIVEN INSTABILITY/PW DEPICTED IN AREA OBSERVED
AND FCST SOUNDINGS...SUCH A SYSTEM COULD CONTAIN SMALL- SCALE BOW
STRUCTURES WITH DMGG WIND/SVR HAIL. A SIMILAR FORWARD-PROPAGATING
SYSTEM MAY ARISE NEAR COLD FRONT/WARM FRONT INTERSECTION IN THE TX
PANHANDLE REGION/SW KS...AND MOVE SE INTO WRN OK/N TX...WHERE WEAK
UPSLOPE FLOW EXISTS.

STRENGTHENING WIND FIELDS /40+ KT NNW DEEP SHEAR/ AND ASCENT
ASSOCIATED WITH GRAZING INFLUENCE OF SD UPR IMPULSE WILL YIELD AN
ENVIRONMENT SUPPORTIVE OF SUSTAINED STORMS AND SUPERCELLS...
ESPECIALLY OVER WRN HALF OF SLIGHT RISK AREA. SOME OF THE ACTIVITY
IN THE LATTER AREA MAY INITIATE AS DISCRETE OR SEMI-DISCRETE
STORMS...ENHANCING RISK FOR LARGE HAIL AND POSSIBLY A TORNADO.

THE STORM CLUSTERS LIKELY WILL PERSIST IN SOME FASHION THROUGH EARLY
SUN...WITH PERHAPS A CONTINUED INTERMITTENT RISK FOR ISOLD SVR
WEATHER. HOWEVER...NOCTURNAL COOLING AND EXPECTED FAIRLY WIDESPREAD
CONVECTIVE OVERTURNING BY PREVIOUS STORMS SHOULD RESULT IN A
DIMINISHED RISK FOR SUSTAINED SVR ACTIVITY LATE TNGT.

venture
08-18-2012, 10:26 AM
Severe storm entering far NW areas of the metro area here in the next hour.

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORMAN OK
1124 AM CDT SAT AUG 18 2012


THE NATIONAL WEATHER SERVICE IN NORMAN HAS ISSUED A


* SEVERE THUNDERSTORM WARNING FOR...
BLAINE COUNTY IN NORTHWEST OKLAHOMA...
NORTHEASTERN DEWEY COUNTY IN NORTHWEST OKLAHOMA...
EXTREME WESTERN KINGFISHER COUNTY IN CENTRAL OKLAHOMA...
EXTREME SOUTHWESTERN MAJOR COUNTY IN NORTHWEST OKLAHOMA...


* UNTIL 1230 PM CDT


* AT 1122 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS
DETECTED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS
LOCATED 5 MILES SOUTHEAST OF ORION...MOVING SOUTHEAST AT 25 MPH.
ANOTHER STRONG TO SEVERE STORM WAS DEVELOPING 8 MILES SOUTHEAST OF
CANTON MOVING SOUTHEAST AT 25 MPH. THIS STORM IS ALSO CAPABLE OF
PRODUCING UP TO QUARTER SIZE HAIL.

sacolton
08-20-2012, 08:27 AM
Cool weather all week! Mid-80s ... YEAAAAHHHHHHHHHHHH!!!!

BG918
09-04-2012, 06:38 PM
Looks like more cooler weather is headed for the state, and a decent chance of rain/thunderstorms Friday.

venture
09-04-2012, 09:47 PM
Complex of storms is starting to fall apart just west of the OKC Metro area. Outflow boundary is moving through now, so could see some decent wind but precip chances are really low.

bandnerd
09-05-2012, 05:20 AM
lol And then it re-formed around 3:00am. No complaints here! That was a nice little shower and light show.

Roadhawg
09-05-2012, 07:32 AM
Not sure how much rain I got but I heard the thunder.

venture
09-05-2012, 11:59 AM
Perhaps we are starting to finally get into our Fall severe weather season...slightly. LOL Slight Risk next two days.

Slight Risk today is mainly going to be for Western Oklahoma west of I-35 and west/north of I-44, excluding the far northern tier of counties. Main risk wind and hail.

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1155 AM CDT WED SEP 05 2012

VALID 051630Z - 061200Z

...THERE IS A SLGT RISK OF SVR TSTMS FROM THE GRT LKS SWD INTO PARTS
OF THE OH...MID MS...AND LWR TN VLYS...

...THERE IS A SLGT RISK OF SVR TSTMS OVER PARTS OF THE SRN PLNS...


...SRN PLNS THIS AFTN INTO TNGT...
APPARENT DISTURBANCE CROSSING CO ATTM...IN SRN STREAM JET...IN
CONJUNCTION WITH UPLIFT ALONG AFOREMENTIONED PLNS COLD FRONT...MAY
FOSTER STRONG MID/LATE AFTN STORMS OVER THE TX PANHANDLE/WRN OK
REGION. WITH AMPLE LOW-LVL MOISTURE /PW AOA 1 INCH/ AND STEEP LOW
TO MID-LVL LAPSE RATES TO SUPPORT STRONG UPDRAFTS...SOME OF THE
STORMS COULD YIELD SVR WIND AND HAIL. AND...WITH SLY LLJ LIKELY TO
STRENGTHEN OVER THE SRN HI PLNS THIS EVE IN RESPONSE TO CONTINUED
MODERATE WLY FLOW ACROSS THE CNTRL/NRN RCKYS...THE STORMS MAY GROW
INTO A SIZABLE CLUSTER OR TWO. THESE SHOULD MOVE/DEVELOP GENERALLY
SSEWD...EXTENDING A RISK FOR SVR WIND/HAIL PERHAPS AS FAR S AS THE
TX S PLNS AND NW TX LATER TNGT.

Slight Risk for Thursday is going be west of I-35 and north of I-40.

DAY 2 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1211 PM CDT WED SEP 05 2012

VALID 061200Z - 071200Z

...THERE IS A SLGT RISK OF SVR TSTMS ACROSS PARTS OF THE CENTRAL AND
SOUTHERN PLAINS...

...CENTRAL/SOUTHERN PLAINS...

WEAK/NEUTRAL HEIGHT FALLS WILL OVERSPREAD THE NRN/CNTRL PLAINS
THURSDAY IN RESPONSE TO STRONGER WLY FLOW THAT SHOULD GRADUALLY SAG
SWD ACROSS THE NRN U.S. BOTH THE NAM/GFS SUGGEST A VERY WEAK LOW
AMPLITUDE SHORT-WAVE TROUGH WILL EJECT ESEWD INTO THE CNTRL HIGH
PLAINS BY 07/00Z...THOUGH THE NAM IS A BIT FASTER WITH THE TROUGH
AXIS INTO SCNTRL NEB/NWRN KS BY EARLY EVENING. IN THE WAKE OF THIS
FEATURE SFC PRESSURES SHOULD BUILD ACROSS THE NRN HIGH PLAINS
FORCING A COLD FRONTAL SURGE SWD ALONG THE LEE OF THE NRN ROCKIES TO
A POSITION FROM SCNTRL SD/NEB PANHANDLE/SERN WY BY 00Z. WHILE MID
LEVEL FLOW IS NOT EXPECTED TO BE THAT STRONG ACROSS THE CNTRL PLAINS
SOUTH OF THE FRONT...PERHAPS ON THE ORDER OF 30-40KT...DEEP LAYER
SHEAR WILL PROVE MORE THAN ADEQUATE FOR THE MAINTENANCE OF ORGANIZED
MULTI-CELL UPDRAFTS AND PERHAPS ISOLATED DEEP ROTATING TSTMS.

THERMODYNAMICALLY...STRONG BOUNDARY LAYER HEATING WILL PROVE
EFFECTIVE AND INSTRUMENTAL IN CONVECTIVE DEVELOPMENT ALONG ADVANCING
COLD FRONT/LEE TROUGH. FORECAST SOUNDINGS SUGGEST SFC TEMPERATURES
IN THE MID 90S ACROSS KS WILL WEAKEN THE CAP SUFFICIENTLY FOR DEEP
THERMALS/TSTM DEVELOPMENT. WHILE THE STRONGEST FORCING WILL
INITIALLY BE FOCUSED WITHIN THE STRONGER ZONE OF LOW LEVEL WARM
ADVECTION ACROSS THE MID MO VALLEY...LLJ IS EXPECTED TO INCREASE
ACROSS THE TX PANHANDLE INTO SWRN KS DURING THE EVENING HOURS AND
THIS MAY ENCOURAGE MULTIPLE THUNDERSTORM CLUSTERS TO EVOLVE ACROSS
THE SLGT RISK REGION. AT THIS TIME IT APPEARS ISOLATED DAMAGING
WINDS AND LARGE HAIL WILL BE THE MAIN CONCERNS WITH CONVECTION THAT
MATURES THROUGH THE AFTERNOON INTO THE EVENING HOURS.

For Friday Upgrade to Slight Risk is possible as we get closer...

DAY 3 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0229 AM CDT WED SEP 05 2012

VALID 071200Z - 081200Z

...SYNOPSIS...
SUBSTANTIAL AMPLIFICATION OF THE UPPER PATTERN WILL OCCUR THIS
PERIOD...AS A SHORT-WAVE TROUGH DIGS SEWD ACROSS THE CENTRAL CONUS
AND EVOLVES INTO A FAIRLY LARGE/POSITIVELY TILTED SYSTEM BY THE END
OF THE PERIOD. AT THE SURFACE...A COLD FRONT ASSOCIATED WITH THE
TROUGH WILL DIVE SWD ACROSS THE PLAINS...AS A FRONTAL LOW
DEVELOPS/SHIFTS ENEWD ACROSS THE MID MS AND OH VALLEY THROUGH THE
END OF THE PERIOD. THIS SYSTEM WILL FOCUS A LARGE ZONE OF
CONVECTION AND AT LEAST SOME SEVERE THREAT THROUGH THE PERIOD.

...OH VALLEY WSWWD INTO OK AND VICINITY...
SHOWERS AND THUNDERSTORMS SHOULD BE ONGOING ACROSS PARTS OF THIS
AREA AT THE START OF THE PERIOD -- PARTICULARLY ACROSS THE KS/MO
VICINITY WHERE WARM ADVECTION ASSOCIATED WITH A SWLY LOW-LEVEL JET
SHOULD BE MAXIMIZED.

AS THE UPPER SYSTEM DIGS SEWD ACROSS THE PLAINS TOWARD THE MID
MS/LOWER OH VALLEY REGION...A SURFACE COLD FRONT IS PROGGED TO SURGE
QUICKLY SWD ACROSS THE CENTRAL PLAINS. AS THIS OCCURS...A WEAK
FRONTAL LOW IS FORECAST TO SHIFT ENEWD FROM THE OK VICINITY -- WITH
WARM-SECTOR DESTABILIZATION SUPPORTING AN INCREASE IN CONVECTION
ACROSS THE RISK AREA. WHILE THE EVOLUTION REMAINS COMPLEX MAKING
DETAILS DIFFICULT TO DISCERN ATTM...IT APPEARS THAT AS STRONGER FLOW
ALOFT NUDGES EWD AND BEGINS TO SPREAD ATOP THE FRONTAL ZONE...SHEAR
SUPPORTIVE OF ORGANIZED STORMS SHOULD EVOLVE. WHILE THIS WILL BE
PARTICULARLY TRUE AFTER DARK -- BEYOND THE PEAK CONVECTIVE
CYCLE...OVERALL SETUP WARRANTS INCLUSION OF 5% PROBABILITY FOR
HAIL/WIND ATTM. AS DETAILS BECOME MORE CLEAR...UPGRADE TO SLIGHT
RISK MAY BE NEEDED IN THE NEXT FORECAST PACKAGE.

CONVECTION WILL LIKELY CONTINUE OVERNIGHT AS A SWLY LOW-LEVEL JET
RESULTS IN INCREASING WARM ADVECTION ACROSS THE MIDWEST/OH VALLEY
AREA...BUT MUCH OF THE RESULTING CONVECTIVE ACTIVITY WILL REMAIN
ELEVATED WITHIN ONLY A WEAKLY UNSTABLE AIRMASS -- THUS LIMITING
OVERALL NIGHTTIME SEVERE THREAT.

..GOSS.. 09/05/2012

venture
09-07-2012, 12:55 PM
Showers just NW of OKC continue to move mostly east. Boundary is ahead of them moving into NW OKC right now. Could see more development behind this and ahead of the front that is still back in NW OK.

HRRR showing more storms forming over the next 1-3 hours just W of OKC and moving in through the late afternoon/early evening.

SoonerDave
09-07-2012, 01:06 PM
Showers just NW of OKC continue to move mostly east. Boundary is ahead of them moving into NW OKC right now. Could see more development behind this and ahead of the front that is still back in NW OK.

HRRR showing more storms forming over the next 1-3 hours just W of OKC and moving in through the late afternoon/early evening.

So tonight's HS football games may be soggy, eh?

silvergrove
09-07-2012, 02:17 PM
Looks like rain popping up over the Yukon/Mustang area!

venture
09-07-2012, 02:20 PM
Storm is warned for Central parts of the Metro area.

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORMAN OK
318 PM CDT FRI SEP 7 2012

THE NATIONAL WEATHER SERVICE IN NORMAN HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHEASTERN CANADIAN COUNTY IN CENTRAL OKLAHOMA...
EXTREME NORTHWESTERN CLEVELAND COUNTY IN CENTRAL OKLAHOMA...
SOUTHWESTERN OKLAHOMA COUNTY IN CENTRAL OKLAHOMA...

* UNTIL 345 PM CDT
* AT 315 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED
A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH. THIS STORM WAS LOCATED 4 MILES SOUTHEAST OF
YUKON...MOVING EAST AT 30 MPH.

SoonerDave
09-07-2012, 02:29 PM
Great view of storm heading into OK county from west here in my perch on near-east side of town...looks like a nice rainstorm coming in! Make things nice and sticky :) Great streak lightning show, too; wish I had my camera :)

SoonerDave
09-07-2012, 02:36 PM
n/m

venture
09-07-2012, 03:10 PM
Cold front is rushing in now. Winds should be up around 40 mph for a bit this evening.

HewenttoJared
09-07-2012, 06:01 PM
Dust storm in Edmond. Not a drop though...

venture
09-07-2012, 07:46 PM
No rain in Norman, but a lot of smoke before sunset.

Easy180
09-07-2012, 07:48 PM
Caught a decent little rain storm in SE Moore

ShiroiHikari
09-07-2012, 11:21 PM
I don't think we got any rain here in east Norman, but it sure did cool off. And it was dusty as heck this afternoon when the wind picked up.

Mel
09-08-2012, 07:55 PM
Nice day. Loving this cool front. I think my a/c actually shut off a few times.

Easy180
09-09-2012, 08:59 AM
Just perused Accuweather's long term forecast and it showed rain chances for just two days through early October...Know going out that long isn't super accurate but it's definitely not encouraging

venture
09-09-2012, 09:16 AM
Just perused Accuweather's long term forecast and it showed rain chances for just two days through early October...Know going out that long isn't super accurate but it's definitely not encouraging

It should be encouraging though that the site is Accuweather which doesn't really have the best reputation. ;)

Mel
09-09-2012, 01:18 PM
State Fair is coming. We will get more rain.

venture
09-10-2012, 08:10 AM
Fire Weather Watch for tomorrow over North Central and NW OK. Don't be shocked if it gets extended down south a bit more. Looks like our higher fire day will be on Wednesday.

venture
09-11-2012, 08:23 AM
Red Flag Warning today generally north of I-40. Very High Fire damage south of I-40, so don't be shocked if the warning is extended south should things evolve differently (higher wind/dryer air).

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE NORMAN OK
317 AM CDT TUE SEP 11 2012


...VERY HIGH TO EXTREME FIRE WEATHER CONDITIONS EXPECTED
OVER NORTHERN OKLAHOMA...


.HOT TEMPERATURES AND VERY LOW AFTERNOON HUMIDITY VALUES TODAY
WILL COMBINE WITH STRONG SOUTHERLY WINDS TO PRODUCE VERY HIGH TO
EXTREME FIRE DANGER.


OKZ008-013>020-111630-
/O.UPG.KOUN.FW.A.0011.120911T1700Z-120912T0100Z/
/O.EXA.KOUN.FW.W.0015.120911T1700Z-120912T0100Z/
KAY-NOBLE-ROGER MILLS-DEWEY-CUSTER-BLAINE-KINGFISHER-LOGAN-PAYNE-
317 AM CDT TUE SEP 11 2012


...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 8 PM CDT THIS
EVENING FOR NORTHERN OKLAOMA...


THE NATIONAL WEATHER SERVICE IN NORMAN HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 8 PM CDT THIS
EVENING. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT.


* WIND...SOUTHERLY 20 TO 25 MPH...WITH GUSTS UP TO 35 MPH.


* HUMIDITY...MINIMUM RELATIVE HUMIDITY 15 TO 20 PERCENT.


* TEMPERATURE...HIGHS 93 TO 97 DEGREES.


* IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY.
A STATEWIDE BURNING BAN CONTINUES FOR OKLAHOMA. REFRAIN FROM
ALL OTHER OUTDOOR ACTIVITY THAT COULD START WILDFIRES.


PRECAUTIONARY/PREPAREDNESS ACTIONS...


FIRES MAY START EASILY AND SPREAD RAPIDLY. REPORT SMOKE OR FIRE
TO YOUR LOCAL FIRE DEPARTMENT.

venture
09-11-2012, 01:01 PM
Haven't done one in awhile, but the GFS this morning got my attention. :)

Remember things can be very volatile at the end of its forecast window so don't write anything in stone. This is also only one model out of several used for forecasting. Does appear to be some decent cold fronts making a charge at the state the next few weeks. Severe weather chances also make a return, but nothing standing out as a major day yet.

DateHiLowWeatherCentral OK PrecipTuesday, September 11, 2012Mid 90s-Dry/Fire Danger0Wednesday, September 12, 2012Mid 90sMid 60sDry/Fire Danger0Thursday, September 13, 2012~ 90Mid 60sStorms, Some severe S of I-440.10 to 0.20Friday, September 14, 2012Low 70sUpper 50sRain and Storms0.50 to 1.00Saturday, September 15, 2012Near 80Upper 50sChance of RainTrace to 0.10Sunday, September 16, 2012Low 80sUpper 50sDry0Monday, September 17, 2012Low 80sLow 60sStorms0.1 to 0.50Tuesday, September 18, 2012Mid 70sMid 60sStorms0.1 to 1.0Wednesday, September 19, 2012Low 70sLow 50sDry0Thursday, September 20, 2012Mid 80sMid 60sIsolated storms, some severe0.05 to 0.1Friday, September 21, 2012Mid 80sNear 70Isolated storms, some severe0.05 to 0.1Saturday, September 22, 2012Low 90sUpper 60sIsolated stormsTrace to 0.05Sunday, September 23, 2012Mid 70sLow 70sIsolated stormsTrace to 0.10Monday, September 24, 2012Near 60Low 50sDry0Tuesday, September 25, 2012Upper 60sUpper 40sDry0Wednesday, September 26, 2012Mid 60sNear 40Dry0

BoulderSooner
09-11-2012, 01:07 PM
that is a great forecast

Dubya61
09-11-2012, 03:25 PM
Venture79, do you have access to a map that shows Oklahoma drought conditions? When you do a thread for October, would you include that info, if you can? Preferably, one that updates like all those at the beginning of your monthly threads.

Bunty
09-11-2012, 09:32 PM
If current Oklahoma drought map isn't available here, you can see it as well as the national drought map with some scrolling here: Oklahoma Drought Monitor (http://stillwaterweather.com/droughtmonitor.php#Drought)

venture
09-11-2012, 09:45 PM
Venture79, do you have access to a map that shows Oklahoma drought conditions? When you do a thread for October, would you include that info, if you can? Preferably, one that updates like all those at the beginning of your monthly threads.

Yeah I'll get it added in for the next thread update. Since it apparently is never going away. LOL

bucktalk
09-12-2012, 10:37 AM
Haven't done one in awhile, but the GFS this morning got my attention. :)

Remember things can be very volatile at the end of its forecast window so don't write anything in stone. This is also only one model out of several used for forecasting. Does appear to be some decent cold fronts making a charge at the state the next few weeks. Severe weather chances also make a return, but nothing standing out as a major day yet.

DateHiLowWeatherCentral OK PrecipTuesday, September 11, 2012Mid 90s-Dry/Fire Danger0Wednesday, September 12, 2012Mid 90sMid 60sDry/Fire Danger0Thursday, September 13, 2012~ 90Mid 60sStorms, Some severe S of I-440.10 to 0.20Friday, September 14, 2012Low 70sUpper 50sRain and Storms0.50 to 1.00Saturday, September 15, 2012Near 80Upper 50sChance of RainTrace to 0.10Sunday, September 16, 2012Low 80sUpper 50sDry0Monday, September 17, 2012Low 80sLow 60sStorms0.1 to 0.50Tuesday, September 18, 2012Mid 70sMid 60sStorms0.1 to 1.0Wednesday, September 19, 2012Low 70sLow 50sDry0Thursday, September 20, 2012Mid 80sMid 60sIsolated storms, some severe0.05 to 0.1Friday, September 21, 2012Mid 80sNear 70Isolated storms, some severe0.05 to 0.1Saturday, September 22, 2012Low 90sUpper 60sIsolated stormsTrace to 0.05Sunday, September 23, 2012Mid 70sLow 70sIsolated stormsTrace to 0.10Monday, September 24, 2012Near 60Low 50sDry0Tuesday, September 25, 2012Upper 60sUpper 40sDry0Wednesday, September 26, 2012Mid 60sNear 40Dry0

Not about to hold you to this request....BUT....I'm part of an outdoor event on Friday Oct. 6 in the evening. What's your best prediction for that evening?

Dubya61
09-13-2012, 10:12 AM
So, in order to combat drought, should we schedule an extra iteration of the fair or arts festival in the known heat dome periods?

venture
09-13-2012, 11:17 AM
So, in order to combat drought, should we schedule an extra iteration of the fair or arts festival in the known heat dome periods?

I would. Since it always seems to work...every single year.

venture
09-13-2012, 11:18 AM
Not about to hold you to this request....BUT....I'm part of an outdoor event on Friday Oct. 6 in the evening. What's your best prediction for that evening?

Ask me in 2 weeks. LOL Most models don't even go out that far.

jn1780
09-13-2012, 11:47 AM
Ask me in 2 weeks. LOL Most models don't even go out that far.

Im sure it would be just as accurate as accuweather predicting the weekend forecast. lol

venture
09-23-2012, 07:31 AM
Significant fire weather day possible tomorrow...

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE NORMAN OK
434 AM CDT SUN SEP 23 2012


...EXTREME FIRE WEATHER CONDITIONS POSSIBLE ACROSS WESTERN AND
CENTRAL OKLAHOMA MONDAY AFTERNOON...


.STRONG... GUSTY SOUTHWEST WINDS WILL COMBINE WITH HOT AFTERNOON
TEMPERATURES AND LOW RELATIVE HUMIDITIES TO PRODUCE CONDITIONS
FAVORABLE FOR WILDFIRES.


OKZ004-005-009>011-014>018-021>025-027>029-033>041-044>046-050-
231745-
/O.CON.KOUN.FW.A.0012.120924T1700Z-120925T0100Z/
HARPER-WOODS-ELLIS-WOODWARD-MAJOR-ROGER MILLS-DEWEY-CUSTER-BLAINE-
KINGFISHER-BECKHAM-WA****A-CADDO-CANADIAN-OKLAHOMA-GRADY-MCCLAIN-
CLEVELAND-HARMON-GREER-KIOWA-JACKSON-TILLMAN-COMANCHE-STEPHENS-
GARVIN-MURRAY-COTTON-JEFFERSON-CARTER-LOVE-
434 AM CDT SUN SEP 23 2012


...FIRE WEATHER WATCH REMAINS IN EFFECT FROM MONDAY AFTERNOON
THROUGH MONDAY EVENING FOR WINDY... HOT AND DRY CONDITIONS ACROSS
WESTERN AND CENTRAL OKLAHOMA...


* WIND...SOUTHWEST WINDS 20 TO 25 MPH... WITH GUSTS UP TO 35
MPH.


* HUMIDITY...MINIMUM HUMIDITIES OF 15 TO 25 PERCENT.


* TEMPERATURE...HIGHS NEAR 95 DEGREES.


* IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY.
A BURN BAN REMAINS IN AFFECT FOR MUCH OF OKLAHOMA. OUTDOOR
BURNING IS NOT RECOMMENDED.


PRECAUTIONARY/PREPAREDNESS ACTIONS...


FIRES MAY START EASILY AND SPREAD RAPIDLY. REPORT SMOKE OR FIRE
TO YOUR LOCAL FIRE DEPARTMENT.


MONITOR WEATHER FORECASTS AND INFORMATION.