Tuesday, December 29, 2009

DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 300041
SWODY1
SPC AC 300039

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0639 PM CST TUE DEC 29 2009

VALID 300100Z - 301200Z

...NO SVR TSTM AREAS FORECAST...

...SYNOPSIS...
A LARGE UPPER TROUGH/LOW WILL CONTINUE SLOWLY VACATING THE
NORTHEAST/NEW ENGLAND THROUGH THE PERIOD...WHILE A
COMPLEX/LOWER-AMPLITUDE TROUGH CONTINUES MOVING ACROSS THE ROCKIES
AND INTO THE CENTRAL CONUS.

A BAND OF PRECIPITATION WILL CONTINUE MOVING ACROSS THE SRN PLAINS
AND INTO THE LOWER MS VALLEY THIS PERIOD...THOUGH POTENTIAL FOR
THUNDER REMAINS QUITE LIMITED.

FARTHER W...SHOWERS CONTINUE MOVING INTO WA/OREGON/CA...WITH A FEW
OFFSHORE LIGHTNING STRIKES OBSERVED OVER THE PAST COUPLE OF HOURS.
WITH A FEW LIGHTNING STRIKES PERHAPS OCCURRING OVER THE PAC NW COAST
OVER THE NEXT SEVERAL HOURS...WILL MAINTAIN THE ONGOING 10% THUNDER
AREA. HOWEVER...EXPECT LIGHTNING COVERAGE TO REMAIN LIMITED THROUGH
THE PERIOD.

..GOSS.. 12/30/2009

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