Sunday, March 23, 2008

DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 230459
SWODY1
SPC AC 230457

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1157 PM CDT SAT MAR 22 2008

VALID 231200Z - 241200Z

..NO SVR TSTM AREAS FORECAST...

AN UPPER-LEVEL TROUGH IN THE UPPER MS VALLEY WILL DIG SEWD INTO THE
OH AND TN VALLEYS TODAY AS NORTHWEST FLOW REMAINS ESTABLISHED ACROSS
THE PLAINS AND ROCKIES. AT THE SFC...A COLD FRONT IN CNTRL FLORIDA
WILL MOVE SLOWLY SWD. LOW-LEVEL CONVERGENCE ALONG THE BOUNDARY AND
DESTABILIZATION SHOULD RESULT IN ISOLATED THUNDERSTORM DEVELOPMENT
IN FL THIS AFTERNOON. FURTHER WEST IN THE SRN PLAINS...A FEW
THUNDERSTORMS WILL BE ONGOING IN WCNTRL TX EARLY IN THE PERIOD.
ELSEWHERE...A FEW LIGHTNING STRIKES WILL BE POSSIBLE IN THE PACIFIC
NORTHWEST DUE TO STRONG LARGE-SCALE ASCENT AND STEEP LAPSE RATES
WITH AN UPPER-LEVEL TROUGH AND ASSOCIATED LOW-LEVEL JET. NONE OF THE
ACTIVITY ACROSS THE CONUS IS EXPECTED TO BE SEVERE SUNDAY OR SUNDAY
NIGHT.

.BROYLES/HURLBUT.. 03/23/2008

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