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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 291250 DAY 1 CONVECTIVE OUTLOOK NWS STORM PREDICTION CENTER NORMAN OK 0650 AM CST FRI NOV 29 2013 VALID 291300Z - 301200Z ...NO TSTM AREAS FORECAST... ...SYNOPSIS... QUASI-ZONAL FLOW ALOFT IS FCST ACROSS MOST OF CONUS TODAY. THIS INCLUDES REGIME OF CONFLUENCE OVER SRN/CENTRAL ROCKIES AND ADJACENT HIGH PLAINS DOWNSTREAM FROM MID-UPPER CYCLONE OFF CA COAST. STG RIDGING...FROM NEW ENGLAND SWWD ACROSS WRN GULF COAST INTO NRN MEX...DOMINATES LOW-LEVEL PATTERN IN WAKE OF DEEP CONTINENTAL/POLAR INTRUSION THAT NOW EXTENDS INTO NWRN CARIBBEAN. THIS PRECLUDES SUPPORTIVE MOISTURE RETURN UNDER STRONG FLOW ALOFT...FOR THIS PERIOD AND AT LEAST A FEW DAYS BEYOND PER DAY 4-8 OUTLOOK. AS SUCH...TSTM POTENTIAL TODAY IS ESSENTIALLY NIL. SOME CONVECTION MAY CONTINUE TO OCCUR OVER AND MOSTLY OFFSHORE SRN CA INVOF COLD-CORE REGION OF MID-UPPER LOW...WHERE STEEP MIDLEVEL LAPSE RATES YIELD WEAK CAPE. HOWEVER...FCST SOUNDINGS SUGGEST BUOYANCY DEPTH SUPPORTING LTG POTENTIAL...IF ANY...WILL BE AWAY FROM LAND. ..EDWARDS.. 11/29/2013 CLICK TO GET WUUS01 PTSDY1 PRODUCT NOTE: THE NEXT DAY 1 OUTLOOK IS SCHEDULED BY 1630Z |
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