MESOSCALE DISCUSSION 1234
NWS STORM PREDICTION CENTER NORMAN OK
0759 PM CDT SAT JUN 12 2004
AREAS AFFECTED...SERN KS INTO FAR SWRN MO
CONCERNING...SEVERE THUNDERSTORM WATCH 449...
VALID 130059Z - 130200Z
A NEW WW WILL LIKELY BE ISSUED WITHIN THE HOUR TO REPLACE WW 449.
AS OF 0048Z...ICT RADAR IMAGERY SHOWED A SUPERCELL WITH A HISTORY OF
TORNADOES OVER SRN BUTLER/FAR NRN COWLEY COUNTY MOVING EWD AT
15-20KTS. AN ADDITIONAL STRONG STORM WAS LOCATED OVER ERN GREENWOOD
COUNTY MOVING EWD AT 25-30KT. AIRMASS S OF THESE STORMS REMAINS
STRONGLY UNSTABLE THIS EVENING WITH MLCAPES OF 3000-4000 J/KG.
ADDITIONALLY...BACKED WINDS ALONG AND S OF REMNANT OUTFLOW BOUNDARY
/EXTENDING FROM S OF CNU TO S OF JLN/ ARE RESULTING IN A CORRIDOR OF
ENHANCED LOW-LEVEL SHEAR OVER FAR SERN KS. THUS...ENVIRONMENT IS
EXPECTED TO REMAIN FAVORABLE FOR SUPERCELLS AND ISOLATED TORNADOES
ALONG AND S OF THIS BOUNDARY FOR THE NEXT SEVERAL HOURS.
A NEW WW WILL LIKELY BE ISSUED WITHIN THE HOUR TO REPLACE WW 449.
..MEAD.. 06/13/2004
ATTN...WFO...SGF...EAX...TOP...ICT...
38099574 38099359 37009414 37009625
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