Thursday, June 27, 2013

MESO: Mesoscale Discussion 1269

ACUS11 KWNS 271939
SWOMCD
SPC MCD 271939
SCZ000-GAZ000-FLZ000-272145-

MESOSCALE DISCUSSION 1269
NWS STORM PREDICTION CENTER NORMAN OK
0239 PM CDT THU JUN 27 2013

AREAS AFFECTED...SRN GA

CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE

VALID 271939Z - 272145Z

PROBABILITY OF WATCH ISSUANCE...40 PERCENT

SUMMARY...RISK FOR ISOLATED DAMAGING WINDS MAY INCREASE SOMEWHAT
INTO EARLY EVENING WITH GRADUAL EWD-MOVING MULTICELL CLUSTERS.

DISCUSSION...IN ASSOCIATION WITH A REMNANT MCV OVER SWRN
GA...CONVECTION HAS INCREASED IN COVERAGE WITHIN TWO SEPARATED
CLUSTERS IN SRN GA. 0-5 KM AGL FLOW IS ANEMIC DOWNSTREAM OF THIS
ACTIVITY...BUT 30 KT OF MID-LEVEL N/NWLYS SAMPLED IN EOX VWP DATA
SHOULD SUPPORT CONTINUED MULTICELL ORGANIZATION GIVEN LOWER TO
MIDDLE 90S SURFACE TEMPERATURES. THE DAMAGING WIND THREAT SHOULD
REMAIN RELATIVELY LOCALIZED AND CONFINED TO MICROBURSTS. BUT THIS
THREAT COULD INCREASE IN SERN GA IF MERGING OF THE COLD POOLS FROM
THE TWO CLUSTERS OCCURS.

..GRAMS/KERR.. 06/27/2013

...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...

ATTN...WFO...CHS...JAX...FFC...TAE...

LAT...LON 32648197 32668147 32578103 32358064 30878157 30428222
30348278 30428372 30558399 30778420 31138412 32648197

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