SPC 0100Z Day 1 Outlook
DAY 1 CONVECTIVE OUTLOOK NWS STORM PREDICTION CENTER NORMAN OK 0758 PM CDT SUN APR 29 2012 VALID 300100Z - 301200Z ...THERE IS A SLGT RISK OF SVR TSTMS FROM W TX INTO CNTRL MO... ...NWRN TX INTO KS...OK...AND WRN MO...CNTRL IL... A GENERAL INCREASE IN STORM COVERAGE IS EXPECTED FOR MUCH OF THE AREA UNDER A CYCLONICALLY CURVED JET ALOFT. AMPLE MOISTURE AND INSTABILITY ARE IN PLACE WITH AREA SOUNDINGS SHOWING 1500 J/KG MLCAPE FROM SWRN KS INTO THE TX PANHANDLE...AND 2500 J/KG FROM THE TX SOUTH PLAINS NEWD ACROSS OK AND INTO SERN KS. LONG HODOGRAPHS ARE ALSO PRESENT BUT LOW LEVEL SHEAR IS MARGINAL OVERALL. HOWEVER...AN INCREASE IS EXPECTED IN THE LOW LEVEL JET WITH MODEST HODOGRAPH ENLARGEMENT LIKELY. CURRENT MCS OVER SWRN KS SHOULD CONTINUE EWD AND MAY GROW UPSCALE AS IT ENCOUNTER GREATER INSTABILITY...PERHAPS RESULTING IN A GREATER COLD POOL. FED BY SLY LOW LEVEL FLOW...THIS SYSTEM MAY BECOME MORE SEVERE WITH TIME. FOR MORE INFORMATION SEE MESOSCALE DISCUSSION 623. OTHER STORMS WILL PERSIST FROM W TX INTO WRN AND NRN OK...WITH MAINLY A HAIL THREAT. HODOGRAPHS ARE LONG AND LAPSE RATES ARE STEEP ALOFT. SOME OF THE CELLS OVER CNTRL MO INTO IL MAY ALSO PRODUCE HAIL AS THEY BECOME ELEVATED N OF I-70. ..JEWELL.. 04/30/2012
via SPC Forecast Products http://www.spc.noaa.gov/products/outlook/day1otlk_0100.html
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