ACUS01 KWNS 170100
SWODY1
SPC AC 170057
DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0757 PM CDT MON SEP 16 2013
VALID 170100Z - 171200Z
...NO SVR TSTM AREAS FORECAST...
...CNTRL/ERN MT...
STEEP LAPSE RATES AND A WARM BUT MARGINALLY MOIST BOUNDARY LAYER IS
SUPPORTING SCATTERED THUNDERSTORM CLUSTERS OVER CNTRL MT THIS
EVENING. MIDLEVEL WLYS FROM 30-40 KT ARE IMPINGING ON THIS
ACTIVITY...AND WHEN COMBINED WITH INVERTED-V BOUNDARY LAYER
PROFILES...WILL PROMOTE AN ISOLATED THREAT FOR A DAMAGING WIND GUST
DURING THE NEXT COUPLE OF HOURS. WIND POTENTIAL IS EXPECTED TO
BECOME NEGLIGIBLE WITH TIME AS THE SURFACE AIRMASS COOLS AND
STABILIZES.
...FAR SRN TX...
WEAK LAPSE RATES AND BUOYANCY /AS OBSERVED IN THE 00Z BRO RAOB/ HAVE
LIMITED STORM INTENSITY OVER FAR SRN TX THUS FAR. WINDS AT 1 KM AGL
ARE 30 KT OUT OF THE E...WHICH IS AIDING IN SRH VALUES UP 130 M2
S-2. THOUGH THIS SHEAR PROFILE IS SUPPORTIVE OF UPDRAFT
ROTATION...RADAR TRENDS AND THE MARGINAL THERMODYNAMIC ENVIRONMENT
HAVE PROMPTED THE REMOVAL OF THE 2 PERCENT TORNADO DELINEATION.
..GARNER.. 09/17/2013
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