Begin forwarded message: > From: interwarn@xxxxxxxx > Date: April 24, 2010 8:36:01 PM EDT > To: reedyk@xxxxxx > Subject: Mesoscale Discussion > > > ACUS11 KWNS 250034 > SWOMCD > SPC MCD 250033 > OHZ000-INZ000-KYZ000-ILZ000-250130- > > MESOSCALE DISCUSSION 0384 > NWS STORM PREDICTION CENTER NORMAN OK > 0733 PM CDT SAT APR 24 2010 > > AREAS AFFECTED...CENTRAL AND SRN IND > > CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE > > VALID 250033Z - 250130Z > > CONVECTIVE TRENDS OVER CENTRAL AND SRN IND ARE BEING MONITORED FOR > THE POSSIBILITY OF AN ADDITIONAL WW DOWNSTREAM OF WW 97. > > OCCLUDED CYCLONE WAS CENTERED INVOF STL AT 00Z...WHILE INTENSE UPPER > SPEED MAX APPROACHES THE OH VALLEY REGION. DEWPOINTS ACROSS MUCH OF > IND ARE IN THE LOW 60S...BUT TEMPERATURES ONLY RESIDE IN THE MID 60S > DUE TO WIDESPREAD ANVIL CLOUD COVER AND STRATIFORM PRECIP FALLING > ACROSS THE AREA FROM CONVECTION TO THE S. POTENTIAL FOR ROBUST > DESTABILIZATION ACROSS THE REGION APPEARS TO BE LIMITED AS NOCTURNAL > COOLING SETS IN AND OCCLUDED LOW/ASSOCIATED FRONTAL SYSTEM REMAINS > WELL TO THE E. FURTHER EVIDENCE OF STABILIZING ATMOSPHERE IS IN THE > FORM OF WEAKENING TREND WITH CENTRAL/SRN IL QLCS. THOUGH VERTICAL > WIND SHEAR PROFILES WILL REMAIN FAVORABLE FOR SVR STORMS INTO THE > NIGHT...INSTABILITY WILL REMAIN WEAK. HOWEVER...CONVECTIVE TRENDS > WILL CONTINUE TO BE MONITORED FOR AN ADDITIONAL WW AS THUNDERSTORMS > OVER IL BEGIN TO APPROACH IND. > > .GARNER.. 04/25/2010 > > ..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT... > > ATTN...WFO...ILN...LMK...IWX...IND...PAH...ILX... > > LAT...LON 40228479 39238481 38458560 38498755 40308760 40608619 > 40228479 > > WWWW > > > $$ > > This weather bulletin was brought to you by InterWARN at www.interwarn.com Illiana Skywarn - Serving the Wabash Valley since 1974 Participate or Listen on: 145.230 (- / no PL) Vigo, Edgar, Clark, Vermillion, Parke, Clay and Sullivan 146.715 (- / no PL) overflow for Vermillion and Parke 444.600 (+ / no PL) UHF link into 145.230/r 146.685 (- / 151.4Hz) as a backup