SWODY1
SPC AC 011929
DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0129 PM CST SUN JAN 01 2012
VALID 012000Z - 021200Z
...NO TSTM AREAS FORECAST...
THE COLD FRONT CONTINUES TO PROGRESS SEWD...FROM THE WRN GULF OF
MEXICO TOWARD THE CENTRAL GULF COAST. WITH THE INSTABILITY AXIS
ALMOST ENTIRELY OFFSHORE...HAVE REMOVED THUNDERSTORM PROBABILITIES
FROM THE MAINLAND.
..JEWELL.. 01/01/2012
.PREV DISCUSSION... /ISSUED 0951 AM CST SUN JAN 01 2012/
...SYNOPSIS...
A SERIES OF SHORTWAVE TROUGHS PHASING OVER THE UPPER MS AND OH
VALLEY REGION WILL LEAD TO THE DEVELOPMENT OF A BROAD/DEEP TROUGH
OVER THE GREAT LAKES/OH VALLEY BY THE END OF THE PERIOD. AN
ASSOCIATED SURFACE COLD FRONT IS MOVING SEWD OFF THE TX COAST AND
ACROSS LA/MS/AL...AND WILL REACH N FL AND PROGRESS OFF THE ATLANTIC
COAST TONIGHT. THE ONLY APPRECIABLE RISK FOR THUNDERSTORMS WILL
PERSIST THROUGH ABOUT 18Z ACROSS THE LOWER TX COAST...WHERE 12Z
SOUNDINGS REVEALED MODERATE BUOYANCY ROOTED BENEATH A WEAK CAP IN
THE 850-700 MB LAYER. AFTER 18Z...ASCENT ALONG THE FRONT WILL SHIFT
OFFSHORE AND INTO NE MEXICO. FARTHER NE ALONG THE N CENTRAL/NE GULF
COAST...WEAKER BUOYANCY COMPARED TO S TX/NW GULF...AND ONLY SHALLOW
ASCENT ALONG THE COLD FRONT...DO NOT SUPPORT THE ADDITION OF A TSTM
OUTLOOK AREA.
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