Keith Reedy keithreedy@xxxxxxxxxxxx Begin forwarded message: > From: National Weather Service <nws.noaa@xxxxxxxxxxxxxxxxxxxxxxx> > Subject: NOAA's National Weather Service SPC Mesoscale Discussion Update > Date: August 8, 2011 6:33:43 PM EDT > To: keithreedy@xxxxxxxxxxxx > Reply-To: National Weather Service <nws.noaa@xxxxxxxxxxxxxxxxxxxxxxx> > > You are subscribed to SPC Mesoscale Discussion for NOAA's National Weather > Service. > > > SPC MD 1904 > 08/08/2011 06:24 PM EDT > > MD 1904 CONCERNING SEVERE POTENTIAL...SEVERE THUNDERSTORM WATCH LIKELY FOR IL > > > MESOSCALE DISCUSSION 1904 > NWS STORM PREDICTION CENTER NORMAN OK > 0523 PM CDT MON AUG 08 2011 > > AREAS AFFECTED...IL > > CONCERNING...SEVERE POTENTIAL...SEVERE THUNDERSTORM WATCH LIKELY > > VALID 082223Z - 082330Z > > DAMAGING WIND THREAT APPEARS TO BE INCREASING WITH DEVELOPING TSTM > CLUSTER INVOF MESOLOW/COLD FRONT IN W-CNTRL/NWRN IL. THE PROBABILITY > OF A WW ISSUANCE BY 00Z IS 60 PERCENT. > > 22Z SURFACE ANALYSIS PLACED A MESOLOW AROUND 30 SE MLI WITH A COLD > FRONT EXTENDING SWWD INTO NRN MO AND AN ARCING BOUNDARY SINKING > SLOWLY SWD THROUGH STARK TO PUTNAM COUNTIES. THE MOST INTENSE TSTM > ACTIVITY HAS GENERALLY REMAINED ALONG AND N OF THIS OUTFLOW > BOUNDARY...BUT CELLS HAVE RECENTLY INCREASED FARTHER SW ALONG THE > COLD FRONT. A WEDGE OF FULL INSOLATION BETWEEN THIS RENEWED > DEVELOPMENT AND EARLIER CONVECTIVE DEBRIS HAS ALLOWED TEMPERATURES > TO SURGE INTO THE 80S ACROSS PORTIONS OF CNTRL IL. GIVEN THIS > INCREASING DESTABILIZATION AMIDST 30-40 KT EFFECTIVE > SHEAR...POTENTIAL FOR UPSCALE TSTM GROWTH APPEARS PROBABLE WITH AN > ATTENDANT THREAT FOR DAMAGING WINDS. > > ..GRAMS.. 08/08/2011 > > ...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT... > > ATTN...WFO...LOT...ILX...LSX...DVN... > > LAT...LON 40969039 41418963 41538884 41338826 40588758 40348756 > 39718837 39408959 39699056 40129063 40219061 40969039 > > Read more > > > > > To change your subscriptions or preferences log in to your Subscriber > Preferences Page with your e-mail address. > > Delete profile > > For questions or problems with the subscription service, please contact > support@xxxxxxxxxxxxxxxx > > This service is provided by NOAA's National Weather Service. > > > > GovDelivery, Inc. (800-439-1420) sending to keithreedy@xxxxxxxxxxxx on behalf > of the National Weather Service · 1325 East West Highway · Silver Spring, MD > 20910