SWODY3
SPC AC 170720
DAY 3 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0220 AM CDT THU APR 17 2008
VALID 191200Z - 201200Z
..NO SVR TSTM AREAS FORECAST...
..SYNOPSIS...
UPPER LOW IS FORECAST TO CONTINUE DRIFTING EWD/ENEWD ACROSS THE OH
VALLEY REGION WITH TIME...WHILE A SECOND/MUCH LARGER TROUGH EVOLVES
OVER THE WEST.
AT THE SURFACE...FRONT MOVING EWD ACROSS THE SERN U.S. IN
CONJUNCTION WITH THE ERN UPPER FEATURE IS EXPECTED TO WEAKEN WITH
TIME...WHILE A MUCH STRONGER FRONT MOVES ACROSS THE WEST. BY THE
END OF THE PERIOD...SURFACE CYCLOGENESIS IS FORECAST OVER THE NRN
HIGH PLAINS...WITH AN INTENSIFYING LEE TROUGH EXTENDING SWD INTO W
TX. THOUGH A FAIRLY STRONG LOW-LEVEL JET IS ALSO EXPECTED TO
DEVELOP OVERNIGHT...LITTLE IF ANY DESTABILIZATION IS FORECAST.
ELSEWHERE...SHOWERS AND A FEW THUNDERSTORMS WILL BE POSSIBLE ACROSS
THE SOUTHEAST AHEAD OF THE WEAKENING SURFACE SYSTEM. HOWEVER...IT
APPEARS THAT A LACK OF INSTABILITY ANTICIPATED ATTM SHOULD PRECLUDE
ANY APPRECIABLE SEVERE POTENTIAL.
.GOSS.. 04/17/2008
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