SPC AC 051946
DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0146 PM CST MON JAN 05 2004
VALID 052000Z - 061200Z
GEN TSTMS ARE FCST TO THE RIGHT OF A LINE FROM 35 ESE 7R4 SEM 15 WNW
LGC 35 NNW AHN CLT RIC 20 ESE SBY ...CONT... SSI VLD AQQ.
...NO SVR TSTM AREAS FORECAST...
...EASTERN GULF/SOUTH ATLANTIC COAST STATES...
LOW AMPLITUDE SHORT WAVE TROUGH...NOW OVER THE MIDDLE MISSISSIPPI
VALLEY...CONTINUES TO LIFT EAST NORTHEASTWARD OUT OF BASE OF
LARGER-SCALE CENTRAL/EASTERN U.S. UPPER TROUGH. SMALLER-SCALE
FEATURE APPEARS TO BE ASSOCIATED WITH AREA OF ENHANCED ASCENT IN
FRONTAL ZONE ACROSS THE GULF STATES...AND THIS APPEARS TO BE
CONTRIBUTING TO SCATTERED ONGOING THUNDERSTORM ACTIVITY FROM THE
CAROLINAS INTO SOUTHERN MISSISSIPPI.
LAPSE RATES IN BAROCLINIC ZONE ABOVE SURFACE FRONT ARE WEAK...BUT
LOW-LEVEL MOISTURE WHICH HAS ADVECTED NORTHWARD ON LOW-LEVEL JET OFF
THE GULF OF MEXICO HAS BEEN SUFFICIENT FOR WEAK CAPE. THIS WILL
LIKELY REMAIN SUPPORTIVE OF SCATTERED THUNDERSTORMS THROUGH THE
REMAINDER OF THE AFTERNOON FROM PARTS OF SOUTHERN ALABAMA AND THE
WESTERN FLORIDA PANHANDLE INTO CENTRAL/SOUTHERN GEORGIA. STRONGER
FORCING FOR UPWARD VERTICAL MOTION WILL ...HOWEVER...SHIFT INTO THE
MID ATLANTIC COAST STATES BY EARLY EVENING. AS THIS OCCURS...
THUNDERSTORM ACTIVITY MAY BECOME FOCUSED NEAR/JUST AHEAD OF WEAK
WAVE ALONG FRONTAL ZONE ACROSS SOUTHEAST VIRGINIA/EASTERN NORTH
CAROLINA. THOUGH WIND FIELDS/SHEAR IN WARM SECTOR ARE STRONG...WEAK
UPDRAFTS AND LIMITED POTENTIAL FOR EVAPORATIVE COOLING NEAR
DOWNDRAFTS LIKELY ARE EXPECTED TO MINIMIZE SEVERE THREAT.
..KERR.. 01/05/2004
...NOTICE...
FOR USERS DECODING THE POINTS PARAGRAPH HEREIN...LATITUDE AND
LONGITUDE POINTS FOR THE CATEGORICAL AND PROBABILISTIC OUTLOOK
GRAPHICS ALSO ARE LOCATED IN A SEPARATE PRODUCT UNDER THE WMO
HEADINGS WUUS01 PTSDY1...WUUS02 PTSDY2...AND WUUS03 PTSDY3. THE
INCLUSION OF POINTS IN THIS PRODUCT WILL EVENTUALLY BE DISCONTINUED.
NOTE: THE NEXT DAY 1 OUTLOOK IS SCHEDULED FOR 0100Z
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