Friday, November 6, 2009

DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 060522
SWODY1
SPC AC 060521

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1121 PM CST THU NOV 05 2009

VALID 061200Z - 071200Z

...NO SVR TSTM AREAS FORECAST...

...PACIFIC NW...

LAPSE RATES WILL STEEPEN SIGNIFICANTLY AND DEEPEN ALONG THE PACIFIC
NW COAST OVER THE NEXT 12 HR AS SHORTWAVE TROUGH DIGS INTO WA/ORE.
LATEST RADAR DATA SUGGESTS PRE-FRONTAL PRECIPITATION BAND IS
SPREADING ACROSS THE CASCADES...SOON TO BE FOLLOWED BY MUCH COOLER
BUOYANT PROFILES AS MARINE LAYER SURGES INLAND DUE TO INCREASING
ONSHORE FLOW. LATEST SATELLITE IMAGERY SUPPORTS THIS WITH NUMEROUS
LOW-TOPPED CBS...SOME ARE PRODUCING LIGHTNING...APPROACHING THE WA
COAST. GREATEST THREAT FOR THUNDERSTORMS WILL BE DURING THE FIRST
HALF OF THE PERIOD AND PRIMARILY ALONG THE COAST.

..DARROW.. 11/06/2009

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