Thursday, March 6, 2014

DAY2SVR: Nws Storm Prediction Center Norman Ok

ACUS02 KWNS 061709
SWODY2
SPC AC 061708

DAY 2 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1108 AM CST THU MAR 06 2014

VALID 071200Z - 081200Z

...NO SVR TSTM AREAS FORECAST...

...SYNOPSIS...
A PROGRESSIVE/SPLIT LONGWAVE PATTERN WILL EXIST OVER THE CONUS
THROUGH FRIDAY. IN PARTICULAR...A SOUTHERN STREAM CLOSED UPPER
TROUGH...LIKELY TO BE CENTERED OVER GA/NORTH FL EARLY FRIDAY...WILL
SPREAD NORTHEASTWARD ALONG THE COASTAL CAROLINAS/OFFSHORE
MID-ATLANTIC STATES THROUGH FRIDAY NIGHT. MEANWHILE...AN ADDITIONAL
UPPER TROUGH WILL UNDERGO SOME AMPLIFICATION AS IT SPREADS
EAST-SOUTHEASTWARD FROM THE EASTERN GREAT BASIN TO THE FOUR CORNERS
AREA/SOUTHERN HIGH PLAINS BY FRIDAY NIGHT.

...COASTAL CAROLINAS...
AS THE AFOREMENTIONED UPPER TROUGH OVERSPREADS THE REGION ON
FRIDAY...THE PRIMARY SURFACE LOW/WARM SECTOR IS LIKELY TO BE FOCUSED
ALONG/JUST OFF THE COASTAL CAROLINAS. AS IMPLIED PER GUIDANCE SUCH
AS THE 12Z WRF-NSSL...A LOW-END POTENTIAL FOR NEAR-SURFACE BASED
ROTATING STORMS CANNOT BE ENTIRELY DISCOUNTED FRIDAY MORNING/EARLY
AFTERNOON SHOULD A SUFFICIENTLY MOIST/UNSTABLE WARM SECTOR DEVELOP
INLAND INTO AREAS SUCH AS THE NC OUTER BANKS. ASIDE FROM BEING
SPATIALLY CONFINED...SUCH POTENTIAL CURRENTLY APPEARS SUFFICIENTLY
TOO LOW/UNCERTAIN TO WARRANT SEVERE PROBABILITIES. THE POTENTIAL
WILL OTHERWISE EXIST FOR ISOLATED/EMBEDDED TSTMS FOR INLAND AREAS OF
THE COASTAL PLAIN/PERHAPS NEARBY PIEDMONT.

...CENTRAL ROCKIES/SOUTH-CENTRAL HIGH PLAINS...
DPVA/WARM ADVECTION ASSOCIATED WITH THE AMPLIFYING UPPER TROUGH AND
STEEPENING LAPSE RATES WITH A WEAKLY BUOYANT AIR MASS SHOULD LEAD TO
ISOLATED TSTM POTENTIAL ACROSS THE REGION. THIS WILL MAINLY BE
FRIDAY AFTERNOON/EVENING WITHIN A CORRIDOR FROM CENTRAL CO/NORTHERN
NM EAST-SOUTHEASTWARD TO THE SOUTHERN HIGH PLAINS.

..GUYER.. 03/06/2014

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