DAY2SVR: Nws Storm Prediction Center Norman Ok

ACUS02 KWNS 080627
SWODY2
SPC AC 080625

DAY 2 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1225 AM CST WED JAN 08 2014

VALID 091200Z - 101200Z

...NO SVR TSTM AREAS FORECAST...

...SYNOPSIS...
A PROGRESSIVE UPPER PATTERN WILL BE HIGHLIGHTED BY DEVELOPING SPLIT
FLOW OVER THE WESTERN STATES THURSDAY IN CONJUNCTION WITH DUAL
AMPLIFYING TROUGHS...ONE OVER THE NORTHERN ROCKIES AND THE OTHER
OVER THE FOUR CORNERS AREA/FAR NORTHERN MEXICO. AIDED BY SOUTHERN
HIGH PLAINS SURFACE CYCLOGENESIS/LEE TROUGH DEVELOPMENT...AIR MASS
MODIFICATION WILL OCCUR ACROSS THE SOUTH-CENTRAL CONUS WITH UPPER
50S/LOWER 60S F SURFACE DEWPOINTS GRADUALLY BECOMING MORE COMMON
ACROSS THE SOUTHERN THIRD OF TX.

...SOUTHERN PLAINS...
ISOLATED TSTMS MAY BE POSSIBLE PARTICULARLY LATE THURSDAY
NIGHT/EARLY FRIDAY FOR PARTS OF WEST-CENTRAL/NORTH-CENTRAL TX
INTO SOUTHERN OK. INFLUENCES OF THE APPROACHING SOUTHWEST STATES
UPPER TROUGH AND INCREASING WARM ADVECTION/ELEVATED MOISTENING WILL
LIKELY LEAD TO PRECIPITATION DEVELOPMENT THURSDAY NIGHT...WHILE A
WEAK BUT SUFFICIENT AMOUNT OF INSTABILITY MAY EXIST FOR ISOLATED
TSTMS. SEVERE TSTMS ARE UNLIKELY GIVEN THE LIMITED AMOUNTS OF
MOISTURE/INSTABILITY.

...SOUTH FL VICINITY...
UNDER THE INFLUENCE OF WEAK RIDGING...AIR MASS MOISTENING WILL
CONTINUE TO OCCUR ALONG/SOUTH OF A NORTHWARD-SHIFTING MARITIME
BOUNDARY...WITH UPPER 60S F SURFACE DEWPOINTS BECOMING INCREASINGLY
COMMON ACROSS THE SOUTHERN HALF OF FL. WHILE THE POTENTIAL OF
LIGHTNING-PRODUCING CONVECTION SHOULD BE LIMITED INLAND...SUFFICIENT
LIFT/INSTABILITY MAY COINCIDE FOR ISOLATED TSTMS IN THE OFFSHORE
WATERS OF SOUTH FL AND/OR IN THE NEARBY ATLANTIC.

..GUYER.. 01/08/2014

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