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| Probabilistic Tornado Graphic | |||||||||
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| Probability of a tornado within 25 miles of a point. Hatched Area: 10% or greater probability of EF2 - EF5 tornadoes within 25 miles of a point. |
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| Probabilistic Damaging Wind Graphic | |||||||||
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| Probability of damaging thunderstorm winds or wind gusts of 50 knots or higher within 25 miles of a point. Hatched Area: 10% of greater probability of wind gusts 65 knots or greater within 25 miles of a point. |
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| Probabilistic Large Hail Graphic | |||||||||
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| Probability of hail 1" or larger within 25 miles of a point. Hatched Area: 10% or greater probability of hail 2" or larger within 25 miles of a point. |
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SPC AC 050059 DAY 1 CONVECTIVE OUTLOOK NWS STORM PREDICTION CENTER NORMAN OK 0759 PM CDT SUN AUG 04 2013 VALID 050100Z - 051200Z ...THERE IS A SLGT RISK OF SVR TSTMS ACROSS PORTIONS OF THE DAKOTAS... ...NORTHERN PLAINS... MULTIPLE CLUSTERS OF STRONG/SEVERE STORMS ARE ONGOING EARLY THIS EVENING PRINCIPALLY ACROSS ND IN VICINITY OF A SURFACE TROUGH/WEAK BOUNDARY THAT ROUGHLY EXTENDS SOUTHWEST-NORTHEASTWARD ACROSS THE NORTH-CENTRAL PLAINS. ALTHOUGH THE EXTENT/MAGNITUDE OF THE OVERALL SEVERE THREAT TONIGHT IS A BIT UNCERTAIN...THE CATEGORICAL SLIGHT RISK HAS BEEN SHIFTED EASTWARD ACROSS PARTS OF THE DAKOTAS FOR WHAT IS ANTICIPATED TO BE THE MOST PROBABLE CORRIDOR FOR NOCTURNALLY SUSTAINED STORMS/POSSIBLE MCS DEVELOPMENT. THAT SAID...A RELATIVELY STABLE BOUNDARY LAYER PERSISTS ACROSS THE EASTERN DAKOTAS. IN ALL...AT LEAST ISOLATED BOUTS OF SEVERE HAIL AND DAMAGING WINDS WILL BE POSSIBLE INTO THE OVERNIGHT. ..GUYER.. 08/05/2013 CLICK TO GET WUUS01 PTSDY1 PRODUCT NOTE: THE NEXT DAY 1 OUTLOOK IS SCHEDULED BY 0600Z |