SWOMCD
SPC MCD 132227
ILZ000-WIZ000-IAZ000-MOZ000-132330-
MESOSCALE DISCUSSION 1674
NWS STORM PREDICTION CENTER NORMAN OK
0527 PM CDT FRI AUG 13 2010
AREAS AFFECTED...IL
CONCERNING...SEVERE THUNDERSTORM WATCH 609...
VALID 132227Z - 132330Z
THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 609
CONTINUES.
WELL ORGANIZED SQUALL LINE IS ADVANCING EWD AT ROUGHLY 30-35KT
ACROSS WW 609. THIS ACTIVITY WILL SOON SPREAD EAST OF THE WATCH
INTO CNTRL/NERN PORTIONS OF THE STATE WHERE SFC TEMPERATURES REMAIN
IN THE LOWER-MID 90S AND MLCAPE...ON THE ORDER OF 2000-3000
J/KG...HAS YET TO BE OVERTURNED. IT APPEARS WINDS MAY GUST TO NEAR
50KT ALONG THE LEADING EDGE OF THE SQUALL LINE AS IT PROGRESSES
DOWNSTREAM. WW MAY NEED TO BE EXTENDED DOWNSTREAM.
..DARROW.. 08/13/2010
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...LOT...ILX...MKX...LSX...DVN...
LAT...LON 39939174 43068956 42438754 39788959 39939174
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