Monday, December 13, 2010

DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 131902
SWODY1
SPC AC 131901

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0101 PM CST MON DEC 13 2010

VALID 132000Z - 141200Z

...NO SVR TSTM AREAS FORECAST...

NO CHANGES NEEDED.

..PETERS.. 12/13/2010

.PREV DISCUSSION... /ISSUED 1004 AM CST MON DEC 13 2010/

A STRONG/COLD TROUGH MOVES INLAND PAC NW LATE IN THE FORECAST
PERIOD. ONSHORE FLOW OF MARGINALLY UNSTABLE AIR MASS WILL ACCOMPANY
THE TROUGH SUCH THAT BY 12Z TUE CONVECTION WILL DEEPEN SUFFICIENTLY
TO LEAD TO A FEW LIGHTNING STRIKES VICINITY WA/NRN OR COAST.
PRIMARY THREAT OF LOW TOPPED THUNDERSTORMS WOULD APPEAR TO BE VERY
LATE IN THE FORECAST PERIOD INTO EARLY PORTION OF DY2.

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