Begin forwarded message: > From: interwarn@xxxxxxxx > Date: June 5, 2010 7:31:32 PM EDT > To: reedyk@xxxxxx > Subject: Mesoscale Discussion > > > ACUS11 KWNS 052329 > SWOMCD > SPC MCD 052329 > INZ000-ILZ000-060030- > > MESOSCALE DISCUSSION 0819 > NWS STORM PREDICTION CENTER NORMAN OK > 0629 PM CDT SAT JUN 05 2010 > > AREAS AFFECTED...NRN/CNTRL IL AND NW/WCNTRL IND > > CONCERNING...SEVERE POTENTIAL...WATCH LIKELY > > VALID 052329Z - 060030Z > > AIR MASS HAS RECOVERED IN WAKE OF EARLY DAY STORMS ACROSS CNTRL/NRN > IL AND INTO PARTS OF IND. TEMPERATURES HAVE WARMED BACK INTO THE > 80S WITH DEW POINTS IN THE LOWER 70S RESULTING IN AN E-W ORIENTED > INSTABILITY CORRIDOR WITH MLCAPES 1500-2000 J/KG. > > THUNDERSTORMS HAVE BEEN INCREASING ALONG THE MS RVR IN ERN IA/NW IL > DOWNSTREAM OF AN AMPLIFYING MID-LEVEL WAVE. THIS ACTIVITY IS VERY > LIKELY TO BECOME SEVERE GIVEN MAGNITUDE OF INSTABILITY AND > APPROACHING ASCENT. ROUGHLY 50-55 KTS OF 0-6KM SHEAR WILL FAVOR > SUPERCELLS. 0-1KM SHEAR IS ACTUALLY COMPARATIVELY STRONGER THAN > FARTHER W...AND A FEW TORNADOES WILL BE POSSIBLE ALONG WITH DAMAGING > WIND GUSTS AND HAIL. > > ACTIVITY WILL PROBABLY EXTEND/DEVELOP DOWNSTREAM INTO PARTS OF IND > BY LATE EVENING. > > .RACY.. 06/05/2010 > > ..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT... > > ATTN...WFO...IWX...IND...LOT...ILX...DVN... > > LAT...LON 41798955 41458670 40438609 39798670 39668771 39708956 > 41798955 > > $$ > > > 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