ZCZC SPCSWOMCD ALL ACUS11 KWNS 250340 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 NNNN