Monday, March 3, 2014

DAY2SVR: Nws Storm Prediction Center Norman Ok

ACUS02 KWNS 030647
SWODY2
SPC AC 030646

DAY 2 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1246 AM CST MON MAR 03 2014

VALID 041200Z - 051200Z

...NO SVR TSTM AREAS FORECAST...

...SYNOPSIS/FORECAST...
LOW-AMPLITUDE SHORTWAVE IMPULSES WILL TRAVERSE A MULTI-STREAM FLOW
PATTERN IN THE MID LEVELS OVER THE CONUS. ONE OF THESE IMPULSES WILL
TRACK FROM THE SRN PLAINS TO THE SERN STATES...WHILE AN UPSTREAM
DISTURBANCE AMPLIFIES OVER THE PLAINS. IN ASSOCIATION WITH THE
FIRST-MENTIONED PERTURBATION...WEAK WARM ADVECTION AND ELEVATED
MOISTURE TRANSPORT/BUOYANCY ATOP A SFC-BASED COLD DOME MAY SUPPORT
ISOLATED STORMS ACROSS PARTS OF CNTRL/SRN TX AND FAR SRN LA.
HOWEVER...WEAK DEEP ASCENT AND LIMITED MOISTURE RETURN PRECLUDE SVR
PROBABILITIES.

ALSO...A FEW SPORADIC LIGHTNING STRIKES MAY BE POSSIBLE FROM THE
PACIFIC NW AND NRN CA TO THE GREAT BASIN AND CNTRL ROCKIES IN
ASSOCIATION WITH A PLUME OF MOISTURE TOPPING A LOW-AMPLITUDE RIDGE.
HOWEVER...GIVEN THE PAUCITY OF BUOYANCY...AND STRONGER DEEP ASCENT
REMAINING OFF THE PACIFIC COAST...THE COVERAGE OF THUNDERSTORMS
SHOULD BE TOO LIMITED FOR GENERAL THUNDER DELINEATION.

..COHEN.. 03/03/2014

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