ACUS01 KWNS 210058
SWODY1
SPC AC 210056
DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0656 PM CST MON JAN 20 2014
VALID 210100Z - 211200Z
...NO TSTM AREAS FORECAST...
...LA/SRN MS...
LATE AFTERNOON/EARLY EVENING SURFACE ANALYSIS SHOWED A BOUNDARY
EXTENDING FROM WRN TN SWWD THROUGH AR TO THE ARKLATEX AND THEN INTO
SOUTH CENTRAL TX. THIS FRONT IS EXPECTED TO ACCELERATE E/SEWD
THROUGH THE LOWER MS VALLEY...GULF COAST STATES AND THE REST OF TX
TONIGHT REACHING NWRN GA TO SERN LA AND OFF THE TX COAST BY 12Z
TUESDAY. THIS WILL OCCUR AS THE ERN U.S. SYNOPTIC TROUGH DEEPENS
OVERNIGHT WITH A SHORTWAVE TROUGH DIGGING SEWD FROM THE LOWER MO
VALLEY INTO THE LOWER OH/TN VALLEYS.
MARGINAL LOW LEVEL MOISTENING AND WAA WILL OCCUR THIS FORECAST
PERIOD FROM THE UPPER TX COAST TO SRN MS...AND SHOULD ALLOW FOR
CONVECTIVE DEVELOPMENT ALONG THE ACCELERATING FRONT. HOWEVER...WEAK
UPPER FORCING ACROSS THIS REGION AND MOST FORECAST SOUNDINGS
SUGGESTING THERMODYNAMICS NOT BECOMING FAVORABLE FOR CHARGE
SEPARATION PRIOR TO THE FRONTAL PASSAGE WILL TEND TO RESULT IN
MAINLY SHALLOW ELEVATED CONVECTION. THUS...A NO TSTM FORECAST WILL
BE MAINTAINED.
..PETERS.. 01/21/2014
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