| 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 130042 DAY 1 CONVECTIVE OUTLOOK NWS STORM PREDICTION CENTER NORMAN OK 0742 PM CDT TUE MAR 12 2013 VALID 130100Z - 131200Z ...NO TSTM AREAS FORECAST... ...COASTAL NC... ANY LINGERING TSTM POTENTIAL WILL QUICKLY SHIFT OFFSHORE THIS EVENING IN ASSOCIATION WITH AN EASTWARD-MOVING COLD FRONT...WITH TSTMS FOCUSED OVER THE OPEN WATERS OF THE ATLANTIC THE REMAINDER OF THE NIGHT. ...IL/INDIANA... A TSTM OR TWO WILL REMAIN POSSIBLE IN THE SHORT-TERM /THROUGH MID-EVENING/ IN ASSOCIATION WITH A WEAKLY UNSTABLE ENVIRONMENT/VERY LOW-TOPPED CONVECTION IN PROXIMITY TO GREAT LAKES UPPER LOW. WITH THE 00Z OBSERVED SOUNDING FROM LINCOLN IL A REASONABLE PROXY...ANY REMAINING TSTM POTENTIAL WILL QUICKLY WANE AS THE BOUNDARY LAYER COOLS AFTER DARK. ..GUYER.. 03/13/2013 CLICK TO GET WUUS01 PTSDY1 PRODUCT NOTE: THE NEXT DAY 1 OUTLOOK IS SCHEDULED BY 0600Z |