Saturday, November 8, 2008

DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 081940
SWODY1
SPC AC 081937

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0137 PM CST SAT NOV 08 2008

VALID 082000Z - 091200Z

...NO SVR TSTM AREAS FORECAST...

...NRN CENTRAL VALLEY OF CA...
UPPER SHORT-WAVE TROUGH DIGGING SEWD TOWARD THE PAC NW/NRN CA COAST
ATTM WILL SHIFT ONSHORE OVER THE NEXT SEVERAL HOURS. COOLER AIR
ALOFT/STEEP MID-LEVEL LAPSE RATES SPREADING INLAND WILL SUPPORT AN
INCREASE IN SHOWERS AND EMBEDDED THUNDERSTORMS OVER PORTIONS OF
OREGON AND NRN CA. WHILE A GENERAL LACK OF INSTABILITY SUGGESTS
LITTLE SEVERE THREAT...A RELATIVE MAXIMUM IN INSTABILITY IS FORECAST
ACROSS NRN PORTIONS OF THE SACRAMENTO VALLEY. HERE...THE POTENTIAL
FOR A FEW STRONGER CELLS -- POSSIBLY PRODUCING MARGINALLY-SEVERE
HAIL -- WARRANT THE CONTINUATION OF A LOW-PROBABILITY /5%/ RISK AREA
FOR HAIL. ELSEWHERE...ANY HAIL SHOULD REMAIN SUB-SEVERE.

...THE NEW ENGLAND COASTAL REGION...
A PRE-FRONTAL BAND OF RAIN/RAIN SHOWERS WITH AN OCCASIONAL/EMBEDDED
LIGHTNING STRIKE WILL CONTINUE MOVING EWD ACROSS THE MID-ATLANTIC
COAST AND COASTAL NEW ENGLAND THROUGH THE PERIOD. MINIMAL
INSTABILITY PRECLUDES ANY SEVERE THREAT.

..GOSS.. 11/08/2008

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