SPC AC 211650
DAY 2 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1150 AM CDT SAT OCT 21 2006
VALID 221200Z - 231200Z
...NO SVR TSTM AREAS FORECAST...
...CNTRL/ERN GULF STATES AND THE SERN ATLANTIC SEABOARD...
VIGOROUS SHORTWAVE TROUGH ACROSS THE PLAINS TODAY WILL ROTATE EWD
ACROSS THE OH VLY AND MID-ATLANTIC STATES TONIGHT AND SUNDAY.
ASSOCD COLD FRONT WILL SURGE SEWD IN WAKE OF THE DISTURBANCE...
REACHING THE ATLANTIC SEABOARD...NRN FL AND THE NRN GULF BASIN
OVERNIGHT SUNDAY.
PRIMARY FORCING FOR ASCENT WILL PASS ACROSS THE GRTLKS AND OH VLYS
ON SUNDAY WITH THE DEEP LAYER FLOW ALONG THE GULF COAST AND SERN
STATES LIKELY TO VEER WLY AHEAD OF THE COLD FRONT. THIS WILL NOT BE
FAVORABLE FOR THE MARITIME TROPICAL AIR MASS TO SURGE NWD INTO THE
REGION. LAPSE RATES ALOFT WILL ALSO BE QUITE POOR AND SFC-BASED
INSTABILITY EQUALLY UNIMPRESSIVE FOR STRONG UPDRAFTS.
FURTHERMORE...VERTICAL SHEAR WILL GENERALLY BE AOB 30 KTS SUGGESTING
THAT TSTMS THAT DO DEVELOP WILL BE MAINTAINED IN THE MULTICELL
SPECTRUM. STRONGER STORMS WILL DEVELOP OFFSHORE IN THE MORE
UNSTABLE MARINE ENVIRONMENT...NAMELY OVER THE NERN GULF OF MEXICO
SUNDAY AFTN AND OVER THE GULF STREAM WATERS SUNDAY NIGHT/EARLY MON.
..RACY.. 10/21/2006
CLICK TO GET WUUS02 PTSDY2 PRODUCT
NOTE: THE NEXT DAY 2 OUTLOOK IS SCHEDULED BY 0800Z
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