Severe Storm Outlook Narrative (AC)
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000
ACUS11 KWNS 250340
SWOMCD
SPC MCD 250340
INZ000-ILZ000-250515-

MESOSCALE DISCUSSION 0753
NWS STORM PREDICTION CENTER NORMAN OK
1040 PM CDT SUN MAY 24 2015

AREAS AFFECTED...EAST-CENTRAL IL/FAR WESTERN INDIANA

CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE

VALID 250340Z - 250515Z

PROBABILITY OF WATCH ISSUANCE...40 PERCENT

SUMMARY...ISOLATED DAMAGING WINDS MAY BE A CONCERN INTO EASTERN IL
AND POSSIBLY FAR WESTERN INDIANA THROUGH THE EARLY PART OF THE
OVERNIGHT.

DISCUSSION...A RELATIVELY WELL-ORGANIZED/FAST-MOVING BOWING CLUSTER
OF STORMS CONTINUES TO PROGRESS NORTHEASTWARD ACROSS SOUTH-CENTRAL
IL AS OF 1030 PM/330Z. A 50 KT MEASURED WIND GUST WAS RECENTLY /1015
PM CDT/ NOTED AT CENTRALIA IL. WHILE THE PRECEDING ENVIRONMENT TO
THE EAST-NORTHEAST HAS GRADUALLY COOLED...BACKGROUND FORCING FOR
ASCENT...STRENGTHENING LOW/MID-TROPOSPHERIC WINDS...AND THE EXISTING
ORGANIZATION OF THE CONVECTIVE LINE MAY HELP SUSTAIN AN ISOLATED
DAMAGING WIND THREAT INTO ADDITIONAL PORTIONS OF EAST-CENTRAL IL AND
POSSIBLY PARTS OF NORTHEAST IL/FAR WESTERN INDIANA OVERNIGHT.

..GUYER/CORFIDI.. 05/25/2015

...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...

ATTN...WFO...IND...PAH...LOT...ILX...LSX...

LAT...LON   38608863 39278904 39908875 40518809 40598723 40198701
            38998753 38588811 38608863



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