SPC 0100Z Day 1 Outlook
DAY 1 CONVECTIVE OUTLOOK NWS STORM PREDICTION CENTER NORMAN OK 0758 PM CDT SUN MAY 27 2012 VALID 280100Z - 281200Z ...THERE IS A SLGT RISK OF SVR TSTMS FROM THE CENTRAL PLAINS NEWD INTO THE UPPER MS VALLEY/WRN UPPER GREAT LAKES REGION... ...CENTRAL PLAINS NEWD INTO THE UPPER MS VALLEY/WRN UPPER GREAT LAKES REGION... AN ONGOING BAND OF INTENSE STORMS/EMBEDDED SUPERCELLS EXTENDS FROM W CENTRAL KS NNEWD INTO SRN MN/NWRN WI ATTM...JUST AHEAD OF THE SURFACE COLD FRONT WITHIN AN AXIS OF MODERATE INSTABILITY. AS THE MAIN UPPER TROUGH CONTINUES SHIFTING EWD ACROSS THE PLAINS AND A SSWLY LOW-LEVEL JET INTENSIFIES IN RESPONSE...EXPECT STORMS TO CONTINUE WELL INTO THE OVERNIGHT HOURS...THOUGH A SLOW DECREASE IN SEVERE POTENTIAL IS EXPECTED AFTER MIDNIGHT. UNTIL THEN...DEGREE OF INSTABILITY AND FAVORABLE SHEAR OBSERVED VIA EVENING RAOBS AND AREA VWP/PROFILER DATA SUPPORT ONGOING THREATS FOR VERY LARGE HAIL...DAMAGING WINDS...AND A COUPLE OF TORNADOES. ...MID-ATLANTIC... BOWING BAND OF STORMS CONTINUES TO SLOWLY WEAKEN AS IT MOVES SEWD ACROSS PARTS OF ERN PA/MD/THE ERN WV PANHANDLE AND INTO NRN VA ATTM. WITH MOIST/UNSTABLE AIRMASS POTENTIALLY SUPPORTING STRONG CONVECTIVE ACTIVITY FOR ANOTHER 1-2 HOURS...WILL MAINTAIN 5% PROBABILITY FOR A FEW LOCALLY SEVERE GUSTS. ..GOSS.. 05/28/2012
via SPC Forecast Products http://www.spc.noaa.gov/products/outlook/day1otlk_0100.html
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