Aug 12, 2005 1100 UTC Day 3 Severe Thunderstorm Outlook Updated: Fri Aug 12 07:23:37 UTC 2005
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SPC AC 120721 DAY 3 CONVECTIVE OUTLOOK NWS STORM PREDICTION CENTER NORMAN OK 0221 AM CDT FRI AUG 12 2005 VALID 141200Z - 151200Z ...NO SVR TSTM AREAS FORECAST... ...SYNOPSIS... FRONTAL POSITION WILL MOVE LITTLE DURING THE DAY3 PERIOD AS SFC RIDGE BECOMES MORE ELONGATED E-W ACROSS THE MIDDLE OF THE COUNTRY. WIDESPREAD CLOUDS AND NUMEROUS SHOWERS AND THUNDERSTORMS WILL FOCUS ALONG THIS BOUNDARY AS DEEP WSWLY FLOW MAINTAINS FRONTAL ORIENTATION FROM SRN NEW ENGLAND...ACROSS THE OH VALLEY...SWWD INTO THE SRN PLAINS. IN THE ABSENCE OF STRONG FORCING TO MOVE THIS FEATURE...IT APPEARS TSTMS MAY STRUGGLE TO DEVIATE ANY GREAT DISTANCE INTO THE WARM SECTOR...THUS MORE SIGNIFICANT INSTABILITY THAT DEVELOPS DURING THE AFTERNOON FARTHER SOUTH MAY NOT BE UTILIZED. EVEN SO...RELATIVELY WEAK DEEP LAYER SHEAR WILL INHIBIT ORGANIZED THUNDERSTORMS. ..DARROW.. 08/12/2005 ...NOTICE... THE STATION RELATIVE POINTS IN THIS PRODUCT ARE NOW AVAILABLE SEPARATELY UNDER THE WMO HEADINGS WUUS01 PTSDY1... WUUS02 PTSDY2...WUUS03 PTSDY3. THE INCLUSION OF POINTS IN THIS DISCUSSION WILL BE DISCONTINUED AFTER THE 2005 CONVECTIVE SEASON. A PUBLIC NOTIFICATION STATEMENT (PNS) WILL PROVIDE DETAILS ON THE TRANSITION. CLICK TO GET WUUS03 PTSDY3 PRODUCT NOTE: THE NEXT DAY 3 OUTLOOK IS SCHEDULED BY 1100Z |