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| Mesoscale Discussion 27 |
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MESOSCALE DISCUSSION 0027
NWS STORM PREDICTION CENTER NORMAN OK
0230 PM CST SUN JAN 13 2013
AREAS AFFECTED...SERN LA...SRN MS
CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY
VALID 132030Z - 132200Z
PROBABILITY OF WATCH ISSUANCE...20 PERCENT
SUMMARY...ISOLD SVR TSTMS POSING A THREAT FOR DAMAGING WINDS AND
POSSIBLY A BRIEF TORNADO WILL CONTINUE THROUGH THE REMAINDER OF THIS
AFTERNOON. A WW IS NOT CURRENTLY ANTICIPATED DUE TO THE LOCALIZED
NATURE OF THE THREAT...HOWEVER CONVECTIVE TRENDS WILL BE MONITORED.
DISCUSSION...TSTMS HAVE INTENSIFIED ALONG THE LA/MS BORDER FROM NEAR
MCB TO HDC DURING THE PAST HOUR IN THE VICINITY OF A COLD FRONT THAT
EXTENDS FROM E OF JAN TO THE LA COAST NR PTN. THESE TSTMS ARE
LOCATED IN AN ENVIRONMENT WITH VEERING 0-3 KM WINDS AND DEEP LAYER
SHEAR LARGELY PARALLEL TO THE FRONTAL ZONE...AND HAVE DEVELOPED A
LINEAR STRUCTURE WITH OCCASIONAL EMBEDDED BOWING SEGMENTS. THE
POTENTIAL FOR DAMAGING WINDS...AND POSSIBLY A BRIEF TORNADO...WILL
EXIST THROUGH THE REMAINDER OF THIS AFTERNOON. THE SVR THREAT IS
EXPECTED TO REMAIN ISOLATED DUE TO WIDESPREAD CLOUD COVER AND POOR
LAPSE RATES...AND A WW IS NOT CURRENTLY ANTICIPATED.
..BUNTING/MOSIER.. 01/13/2013
ATTN...WFO...MOB...JAN...LIX...LCH...
LAT...LON 29859122 30659074 31219032 31778947 32088884 31748848
30748852 30328919 29678991 29489036 29569116 29859122
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