The SPC is forecasting ...severe thunderstorms expected over parts of the northern plains this afternoon and tonight.... Please read the latest public statement about this event.
| Categorical Graphic |
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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. |
| 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. |
| 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. |
SPC AC 270100 DAY 1 CONVECTIVE OUTLOOK NWS STORM PREDICTION CENTER NORMAN OK 0800 PM CDT SUN JUN 26 2011 VALID 270100Z - 271200Z ...THERE IS A SLGT RISK OF SVR TSTMS ACROSS THE NORTH-CENTRAL PLAINS/MO VALLEY TO MIDDLE MS VALLEY... ...THERE IS A SLGT RISK OF SVR TSTMS ACROSS PORTIONS OF GA/SC... ...NORTHERN PLAINS/MIDDLE MO VALLEY TO MIDDLE MS VALLEY... MULTI-FACETED CONVECTIVE EVOLUTION WILL CONTINUE TO OCCUR THIS EVENING WITHIN A CORRIDOR FROM NEB/FAR NORTHEAST KS TO IA AND NORTHERN/EASTERN MO AND ADJACENT IL. MULTIPLE ONGOING LINEAR CLUSTERS/MCS WILL LIKELY CONTINUE TO POSE A DAMAGING WIND THREAT FROM NEAR THE OMAHA VICINITY ACROSS IA/NORTHERN MO INTO WESTERN IL...WITH OTHER ADJACENT/ELEVATED STORMS POSING A LARGE HAIL THREAT TO THE NORTH OF A SURFACE WARM FRONTAL ZONE. THE MAIN SEMI-DISCRETE SUPERCELLULAR/TORNADO THREAT THIS EVENING WILL GENERALLY BE CONFINED TO NEAR AN OUTFLOW REINFORCED WARM FRONT ACROSS NORTHERN/EASTERN MO...WHERE A STRONG TORNADO CANNOT BE RULED OUT WITHIN A VOLATILE ENVIRONMENT ESPECIALLY OVER THE NEXT SEVERAL HOURS. FARTHER WEST...OTHER STORMS WILL CONTINUE TO POSE A LARGE HAIL/PERHAPS DAMAGING WIND THREAT ACROSS WESTERN NEB WITHIN A POST-FRONTAL/OUTFLOW ENVIRONMENT. ...SOUTHEAST STATES... GENERALLY TIED TO A REMNANT MCS/COLD POOL...BOUTS OF DAMAGING WINDS AND PERHAPS SOME SEVERE HAIL WILL REMAIN POSSIBLE ON AN INCREASINGLY ISOLATED BASIS THIS EVENING MAINLY FOR PORTIONS OF CENTRAL/SOUTHERN GA AND ADJACENT AREAS OF AL/SC. ..GUYER.. 06/27/2011 CLICK TO GET WUUS01 PTSDY1 PRODUCT NOTE: THE NEXT DAY 1 OUTLOOK IS SCHEDULED BY 0600Z