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Mesoscale Discussion 650 |
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MESOSCALE DISCUSSION 0650
NWS STORM PREDICTION CENTER NORMAN OK
1134 PM CDT WED APR 27 2011
AREAS AFFECTED...ERN KY...SERN OH...FAR SWRN VA AND SWRN-NRN WV
CONCERNING...TORNADO WATCH 239...
VALID 280434Z - 280500Z
THE SEVERE WEATHER THREAT FOR TORNADO WATCH 239 CONTINUES.
ERN EXTENT OF WW 239 /ACROSS FAR SWRN VA AND SRN-ERN WV/ IS BEING
COORDINATED AT THIS TIME TO BE INCLUDED IN A NEW WATCH.
MEANWHILE...THE REST OF WW 239 WILL BE ALLOWED TO EXPIRE AS
SCHEDULED AT 05Z.
LATE EVENING SURFACE ANALYSIS SHOWED A COLD FRONT CONTINUING TO
ADVANCE EWD ACROSS KY AS THE ATTENDANT AREA OF LOW PRESSURE TRACKS
FROM CENTRAL INTO NERN IND. WSR-88D VWP SHOWED LOW LEVEL WINDS HAD
VEERED TO SWLY AT JKL. WRN EXTENT OF GREATER THETAE EXTENDED FROM
SWRN VA THROUGH SRN-ERN WV. THIS COMBINED WITH FAVORABLE DEEP LAYER
AND LOW LEVEL SHEAR WILL MAINTAIN A THREAT FOR EMBEDDED TORNADOES AS
65-75 KT SLY LLJ TRANSLATES ENEWD ACROSS THIS REGION TONIGHT.
..PETERS.. 04/28/2011
ATTN...WFO...LWX...RNK...PBZ...RLX...MRX...JKL...
LAT...LON 37798196 38908106 39328047 39337983 38917948 38108007
37228138 36648168 36628326 37798196
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