Sunday, October 31, 2010

DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 310436
SWODY1
SPC AC 310434

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1134 PM CDT SAT OCT 30 2010

VALID 311200Z - 011200Z

...NO TSTM AREAS FORECAST...

...SYNOPSIS...
MODELS INDICATE THAT TROUGHING WITHIN A SOUTHERN BRANCH OF THE
PREVAILING SPLIT UPPER FLOW REGIME WILL BEGIN TO DIG TO THE LEE OF
THE CENTRAL/SOUTHERN ROCKIES...AS RIDGING BEGINS TO BUILD THROUGH
THE PACIFIC COAST STATES AND INTERMOUNTAIN WEST. HOWEVER...THIS IS
PROGGED TO SUPPORT ONLY WEAK SURFACE CYCLOGENESIS ACROSS THE
SOUTHERN CENTRAL PLAINS...WITH LITTLE SUBSTANTIVE MOISTURE RETURN
OFF THE MODIFYING GULF OF MEXICO NORTH OF THE UPPER TEXAS/LOUISIANA
COAST...WHERE LARGE-SCALE FORCING LIKELY WILL REMAIN WEAK THROUGH
12Z MONDAY. GENERALLY STABLE CONDITIONS ARE EXPECTED TO PERSIST
ACROSS MUCH OF THE NATION THROUGH THE PERIOD...WITH NEGLIGIBLE
CONVECTIVE POTENTIAL.

..KERR.. 10/31/2010

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