SWOMCD
SPC MCD 132305
INZ000-KYZ000-ILZ000-MOZ000-140030-
MESOSCALE DISCUSSION 0817
NWS STORM PREDICTION CENTER NORMAN OK
0605 PM CDT WED MAY 13 2009
AREAS AFFECTED...SRN IL/SWRN INDIANA
CONCERNING...TORNADO WATCH 294...
VALID 132305Z - 140030Z
THE SEVERE WEATHER THREAT FOR TORNADO WATCH 294 CONTINUES.
LIMITED SEVERE/TORNADO THREAT CONTINUES ACROSS THE ERN HALF OF WW
294.
THUNDERSTORMS CONTINUE NEAR AND E OF THE PERSISTENT LOW-LEVEL
CIRCULATION/MCV -- NOW CENTERED OVER SRN IL. STORMS HAVE REMAINED
GENERALLY WEAKER THAN ANTICIPATED...WITH THIS AREA STILL E OF THE
HEIGHT FALLS ASSOCIATED WITH THE LARGER-SCALE UPPER TROUGH CROSSING
THE N CENTRAL CONUS. WITH A STRONG W-E INSTABILITY GRADIENT -- AND
THUS MUCH WEAKER INSTABILITY E OF THE CURRENT WW...A NEW WW E OF WW
294 IS NOT EXPECTED ATTM.
..GOSS.. 05/13/2009
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...LMK...IND...PAH...ILX...LSX...
LAT...LON 37198935 37698971 39088865 39658707 38978587 38018655
37198935
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