SPC 0730Z Day 3 Outlook
DAY 3 CONVECTIVE OUTLOOK NWS STORM PREDICTION CENTER NORMAN OK 0230 AM CDT SUN JUN 02 2013 VALID 041200Z - 051200Z ...THERE IS A SLGT RISK OF SVR TSTMS ACROSS PARTS OF THE SOUTH-CENTRAL PLAINS TO LOWER MO VALLEY... ...CENTRAL/SOUTHERN PLAINS TO LOWER MO VALLEY... A PROGRESSIVE/LOW AMPLITUDE SHORTWAVE TROUGH IS EXPECTED TO CONTINUE EAST-SOUTHEASTWARD FROM THE NORTHERN PLAINS TO THE UPPER MIDWEST/UPPER MS RIVER VALLEY ON TUESDAY...WITH PROGRESSIVELY WEAKER MID-LEVEL WESTERLIES TO THE SOUTH OF THE LOWER MO VALLEY/KS VICINITY. A SURFACE COLD FRONT WILL CONTINUE TO SETTLE SOUTHEASTWARD ACROSS THE PLAINS/MO VALLEY...PERHAPS EFFECTIVELY AUGMENTED BY EARLY DAY CONVECTION/OUTFLOW ACROSS THE MO VALLEY...WITH LOW-LEVEL UPSLOPE TRAJECTORIES INCREASING ACROSS THE SOUTH-CENTRAL HIGH PLAINS/FRONT RANGE. A RELATIVELY MOIST/MODERATELY UNSTABLE AIRMASS IS LIKELY WITHIN THE WARM SECTOR BY AFTERNOON ESPECIALLY ACROSS PARTS OF KS/OK INTO NORTHWEST TX. INFLUENCED BY MODERATELY STRONG/CYCLONIC FLOW ALOFT ON THE SOUTHERN PERIPHERY OF THE NORTH-CENTRAL CONUS UPPER TROUGH...ISOLATED TO SCATTERED SURFACE BASED TSTM DEVELOPMENT/INTENSIFICATION IS PROBABLE BY AFTERNOON/EARLY EVENING. VERTICAL SHEAR/INSTABILITY WILL BE FAVORABLE FOR SUPERCELLS/SUSTAINED MULTICELLS CAPABLE OF LARGE HAIL/DAMAGING WINDS. ..GUYER.. 06/02/2013
via SPC Forecast Products http://www.spc.noaa.gov/products/outlook/day3otlk_0730.html
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