AREAS AFFECTED...ERN IA...NRN IL...SRN WI
CONCERNING...SEVERE THUNDERSTORM WATCH 531...
VALID 200036Z - 200230Z
THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 531
CONTINUES.
SUMMARY...LOCALLY STRONG WIND GUSTS WILL REMAIN POSSIBLE...BUT THE
THREAT APPEARS TO BE GRADUALLY WANING WITH TIME.
DISCUSSION...A LINE OF STORMS IS CURRENTLY AFFECTING THE MILWAUKEE
AREA WITH GUSTY WINDS AND HEAVY RAIN...BUT IT APPEARS THAT THE
THREAT FOR SEVERE WEATHER HAS ENDED WITH THIS ACTIVITY.
TO THE SW...A MORE INTENSE LINE OF STORMS WAS MOVING NEW ACROSS ERN
IA...WITH NUMEROUS WIND REPORTS MEASURED AROUND 45 KT. NEAR SEVERE
WINDS WILL REMAIN POSSIBLE WITH THIS BOW...ESPECIALLY THE PORTION
LIFTING NEWD ACROSS THE TRI-STATE REGION.
00Z SOUNDINGS SHOWED AMPLE INSTABILITY FROM DVN TO GRB...WITH THE
STRONGEST LOW TO MIDLEVEL FLOW ACROSS ERN IA. BUT OVERALL...THE
TREND WILL BE FOR STORMS TO GRADUALLY WEAKEN AS THE BOUNDARY LAYER
COOLS DUE TO LOSS OF HEATING. GUSTY WINDS WILL REMAIN A LIKELIHOOD
WITH THE OUTFLOW.
..JEWELL.. 09/20/2013
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...GRB...LOT...MKX...DVN...ARX...
LAT...LON 42278772 40839147 41539113 42139121 42469155 42599167
44028775 42278772