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Mesoscale Discussion 533 |
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MESOSCALE DISCUSSION 0533
NWS STORM PREDICTION CENTER NORMAN OK
0454 PM CDT SAT APR 14 2012
AREAS AFFECTED...WRN/CNTRL KS INTO NW OK
CONCERNING...TORNADO WATCH 165...
VALID 142154Z - 142300Z
THE SEVERE WEATHER THREAT FOR TORNADO WATCH 165 CONTINUES.
A NEW WW WILL BE NEEDED PRIOR TO SCHEDULED 23Z EXPIRATION.
THE DRY LINE REMAINS ROUGHLY ALONG A LINE FROM GAGE...DODGE CITY
INTO THE MCCOOK AREA...AND LATEST RUC GUIDANCE SUGGESTS LITTLE
EASTWARD ACCELERATION PRIOR TO THE 00-02Z TIME FRAME...WHEN THE EXIT
REGION OF THE MAIN UPPER JET STREAK /AROUND 100 KT AT 500 MB/
FINALLY BEGINS TO NOSE NORTHEASTWARD INTO SOUTHWEST KANSAS. THIS
WILL CONTINUE TO PROVIDE A FOCUS FOR INTENSE NEW DISCRETE STORM
DEVELOPMENT IN THE PRESENCE OF STEEP LAPSE RATES...MODERATELY LARGE
CAPE AND STRONG SHEAR. 50+ KT SOUTHWESTERLY DEEP LAYER MEAN FLOW
WILL CONTINUE TO AIDE THE PROPAGATION OF SUPERCELLS AWAY FROM THE
INITIATING ZONE...ACROSS CENTRAL...AND PERHAPS PARTS OF
EASTERN...KANSAS...AS WELL AS NORTHWEST OKLAHOMA...WHERE CLOCKWISE
CURVED LOW-LEVEL HODOGRAPHS WILL CONTINUE TO ENLARGE AND BECOME
INCREASINGLY SUPPORTIVE OF POTENTIAL FOR STRONG TORNADOES.
..KERR.. 04/14/2012
ATTN...WFO...TOP...ICT...OUN...GID...DDC...GLD...
LAT...LON 39700030 39989993 40039814 39889738 38929688 38049693
37269725 36239826 35749930 35639977 36059998 37129980
38449991 39090010 39680038 39700030
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