Friday, January 6, 2012

DAY3SVR: Nws Storm Prediction Center Norman Ok

ACUS03 KWNS 060815
SWODY3
SPC AC 060814

DAY 3 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0214 AM CST FRI JAN 06 2012

VALID 081200Z - 091200Z

...SYNOPSIS...
AN UPPER TROUGH OVER THE SRN ROCKIES AT THE START OF THE PERIOD IS
FORECAST TO DECELERATE THIS PERIOD...WITH ONE PIECE OF ENERGY
SHEARING NEWD ACROSS OK/KS AND A SECOND DIGGING SWD TOWARD SWRN
NM/FAR W TX.

AS THIS OCCURS...A WEAK INVERTED SURFACE TROUGH IS PROGGED TO CROSS
TX DURING THE PERIOD...WITH A BROAD ZONE OF LOW-LEVEL WARM ADVECTION
FROM THE SRN PLAINS EWD EXPECTED TO PERSIST AHEAD OF THE MAIN UPPER
SYSTEM.

WHILE SHOWERS AND LOCAL/OCCASIONAL EMBEDDED LIGHTNING EXPECTED
PRIMARILY FROM TX EWD ACROSS THE GULF COAST STATES...THE SETUP
REMAINS GENERALLY UNFAVORABLE FOR SEVERE STORMS THIS PERIOD GIVEN
WEAK MID-LEVEL RIDGING E OF THE MAIN TROUGH -- AND THUS WEAK LAPSE
RATES/MINIMAL INSTABILITY.

..GOSS.. 01/06/2012

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