ACUS11 KWNS 121807
SWOMCD
MESOSCALE DISCUSSION 0582
NWS STORM PREDICTION CENTER NORMAN OK
0106 PM CDT MON MAY 12 2014
AREAS AFFECTED...NRN IL...SRN WI
CONCERNING...SEVERE THUNDERSTORM WATCH 149...
VALID 121806Z - 121900Z
THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 149
CONTINUES.
SUMMARY...DAMAGING WIND THREAT WITH A SECONDARY THREAT OF HAIL WILL
PERSIST ACROSS MAINLY THE SERN PORTIONS OF WW 149. SOME ADDITIONAL
TSTM DEVELOPMENT IS POSSIBLE ACROSS THE SRN PORTION OF THE WATCH
/NRN IL/ WITH A THREAT OF MARGINALLY SVR HAIL AND GUSTY WINDS.
DISCUSSION...TSTM ACTIVITY CONTINUES SEWD ACROSS FAR SE WI AND INTO
LAKE MI. THIS GENERAL TREND IS EXPECTED TO PERSIST WITH A CONTINUED
THREAT FOR DAMAGING WINDS AND SOME HAIL. AREA SOUTH OF THIS MAIN
LINE /NRN IL/ CONTINUED TO WARM WITH TEMPERATURES NOW IN THE UPPER
70S TO LOW 80S AMIDST DEWPOINTS IN THE UPPER 60S. MESOANALYSIS
ESTIMATES MLCAPE THROUGHOUT THIS AREA FROM 1500 TO 2000 J PER KG
WITH NO CINH REMAINING. AS A RESULT...ADDITIONAL TSTM DEVELOPMENT IS
POSSIBLE SW OF THE CURRENT ACTIVITY ALONG AN OUTFLOW BOUNDARY. THE
ENVIRONMENT IS SUPPORTIVE OF STRONG TO SVR STORMS WITH PRIMARY
THREATS OF SVR HAIL AND DAMAGING WINDS.
..MOSIER.. 05/12/2014
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...GRB...LOT...MKX...DVN...ARX...
LAT...LON 41668996 43828958 43828720 41678762 41668996
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