Sunday, December 30, 2007

DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 310017
SWODY1
SPC AC 310014

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0614 PM CST SUN DEC 30 2007

VALID 310100Z - 311200Z

..NO SVR TSTM AREAS FORECAST...

..SERN STATES...
PROGRESSIVE MID/UPPER LEVEL TROUGH...CURRENTLY LOCATED OVER THE
OH/TN VALLEYS...WILL TRACK NEWD OVERNIGHT ACROSS THE CENTRAL/SRN
APPALACHIANS...REACHING MID ATLANTIC REGION/SRN NEW ENGLAND BY 12Z
MONDAY. EARLY EVENING SURFACE ANALYSIS SHOWED AN AREA OF LOW
PRESSURE DEVELOPING EWD ACROSS THE NC COAST WITH A FRONT TRAILING
SWWD THROUGH CENTRAL SC TO CENTRAL/SRN GA AND THE ERN FL PANHANDLE.
REGIONAL RADARS INDICATED A COUPLE OF ONGOING TSTMS WITHIN SMALL
MOIST AND MARGINALLY UNSTABLE WARM SECTOR OVER SERN GA/FAR SRN SC...
WITH ADDITIONAL ACTIVITY EXTENDING SWWD ALONG TRAILING PART OF FRONT
THROUGH SRN GA TO ERN FL PANHANDLE.

ASCENT WITHIN ENTRANCE REGION OF MID/UPPER LEVEL JET ATTENDANT TO
OH/TN VALLEYS TROUGH WILL MAINTAIN TSTM DEVELOPMENT ACROSS THE REST
OF FAR SRN SC/SERN GA AND NRN FL THIS EVENING BEFORE THE FRONT MOVES
OFFSHORE THE NC/SC/GA COAST LATER TONIGHT AND INTO NRN FL. STRONG
DEEP LAYER SWLY WIND FIELDS WILL CONTINUE TO MAINTAIN EFFECTIVE
SHEAR SUPPORTIVE OF ORGANIZED BOWING STRUCTURES. HOWEVER...SEVERE
WEATHER THREAT IS EXPECTED TO DIMINISH DURING THE NEXT FEW HOURS AS
AIR MASS UNDERGOES FURTHER STABILIZATION GIVEN ONSET OF BOUNDARY
LAYER COOLING.

.PETERS.. 12/31/2007

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