Didn't really expect to put this up today, but threat has increased enough to warrant a watch to be issued shortly.



MESOSCALE DISCUSSION 0336
NWS STORM PREDICTION CENTER NORMAN OK
0505 PM CDT MON MAR 30 2009

AREAS AFFECTED...CNTRL/ERN OK AND SERN KS

CONCERNING...SEVERE POTENTIAL...WATCH NEEDED SOON

VALID 302205Z - 302230Z

ENVIRONMENTAL CONDITIONS HAVE BECOME FAVORABLE FOR SEVERE STORMS AND
A WATCH ISSUANCE WILL BE COORDINATED BETWEEN THE SPC AND THE
AFFECTED LOCAL NATIONAL WEATHER SERVICE OFFICES SHORTLY.

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WW 95 SEVERE TSTM KS OK 302220Z - 310500Z
AXIS..65 STATUTE MILES EAST AND WEST OF LINE..
65NW CNU/CHANUTE KS/ - 35SSW ADM/ARDMORE OK/ ..AVIATION COORDS.. 55NM E/W /69ENE ICT - 24S ADM/ HAIL SURFACE AND ALOFT..2 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 400. MEAN STORM MOTION VECTOR 25035.

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URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 95
NWS STORM PREDICTION CENTER NORMAN OK
520 PM CDT MON MAR 30 2009

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

SOUTHEAST KANSAS
CENTRAL AND EASTERN OKLAHOMA

EFFECTIVE THIS MONDAY AFTERNOON FROM 520 PM UNTIL MIDNIGHT CDT.

HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 65 STATUTE MILES EAST AND WEST OF A LINE FROM 65 MILES NORTHWEST OF CHANUTE KANSAS TO 35 MILES SOUTH SOUTHWEST OF ARDMORE OKLAHOMA.
FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU5).

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...CU/TCU FIELD CONTINUES TO INCREASE ALONG MULTIPLE BOUNDARIES OVER SOUTHEAST KS AND WEST-CENTRAL OK. THUNDERSTORMS ARE EXPECTED TO DEVELOP OVER THIS AREA IN THE NEXT FEW HOURS AND SPREAD EASTWARD DURING THE EVENING. THERMODYNAMIC PROFILES APPEAR FAVORABLE FOR LARGE HAIL AND PERHAPS DAMAGING WINDS IN STRONGER CELLS.

AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 400. MEAN STORM MOTION VECTOR 25035.