DAY 2 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1224 PM CDT WED AUG 20 2008
VALID 211200Z - 221200Z
...THERE IS A SLGT RISK OF SVR TSTMS ACROSS PORTIONS OF NRN AND WRN
ND...
...SYNOPSIS...
T.S. FAY IS FORECAST TO MOVE ACROSS NRN FL THIS PERIOD PER LATEST
NHC GUIDANCE...EVENTUALLY WEAKENING TO A DEPRESSION THROUGH THE END
OF THE PERIOD. MEANWHILE...A VIGOROUS/PROGRESSIVE TROUGH IS
EXPECTED TO CROSS THE NWRN QUARTER OF THE CONUS.
AS THE UPPER TROUGH MOVES EWD...A COLD FRONT IS FORECAST TO PRESS
SEWD ACROSS THE NRN ROCKIES AND INTO THE GREAT BASIN. AN
ASSOCIATED/BROAD AREA OF SURFACE LOW PRESSURE -- INITIALLY EXTENDING
FROM THE CANADIAN PRAIRIE INTO THE NRN HIGH PLAINS -- SHOULD
EVENTUALLY CONSOLIDATE OVER MANITOBA BY THE END OF THE PERIOD. BOTH