Friday, January 25, 2008

DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 251217
SWODY1
SPC AC 251214

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0614 AM CST FRI JAN 25 2008

VALID 251300Z - 261200Z

..NO SVR TSTM AREAS FORECAST...

COLD UPPER LOW CONTINUES TO DIG SWD OFF CA COAST RESULTING IN RISING
HEIGHTS DOWNSTREAM OVER THE SWRN U.S. STRONG WESTERLIES EXTEND EWD
FROM ROCKIES TO SERN STATES WITH MID/UPPER LEVEL SPEED MAX MOVING
EWD FROM SRN PLAINS TO ACROSS GULF COAST STATES BY TONIGHT.

WITH TEMPORARY RIDGING INTO SWRN STATES...SUBSIDENCE AND DRYING
ALONG WITH WARMING ALOFT SHOULD CONFINE ANY THUNDER THREAT TO AREA
OF IMMEDIATE COASTAL AREAS OF NRN/CENTRAL CA. MOST OF THE ACTIVE
CONVECTION WILL REMAIN OFFSHORE NEARER THE COLD UPPER LOW.

LOW LEVEL WARM/MOIST ADVECTION NOW OCCURRING TX COASTAL REGION
SHOULD PERSIST AND SHIFT EWD INTO SRN LA LATER TODAY AND THIS
EVENING AS UPPER WIND MAX TRACKS EWD ACROSS SRN PLAINS TO LOWER MS
VALLEY. MODEL SOUNDINGS SUGGEST SMALL BUT SUFFICIENT AMOUNTS OF
ELEVATED CAPE WILL BE AVAILABLE TO SUPPORT A FEW EMBEDDED
THUNDERSTORMS IN THE MORE GENERAL PRECIPITATION AREA INITIALLY TX
COASTAL COUNTIES. THIS ACTIVITY WILL EXPAND EWD ACROSS SRN LA BY
THIS EVENING.

.HALES.. 01/25/2008

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