Tuesday, August 14, 2012

MESO: Mesoscale Discussion 1758

ACUS11 KWNS 140446
SWOMCD
SPC MCD 140446
MSZ000-140615-

MESOSCALE DISCUSSION 1758
NWS STORM PREDICTION CENTER NORMAN OK
1146 PM CDT MON AUG 13 2012

AREAS AFFECTED...CNTRL MS

CONCERNING...SEVERE THUNDERSTORM WATCH 578...

VALID 140446Z - 140615Z

THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 578
CONTINUES.

SUMMARY...ISOLATED DAMAGING WIND AND HAIL REMAIN POSSIBLE NEXT
COUPLE HOURS AS STORMS MOVE SEWD THROUGH CNTRL MS. OVERALL THREAT IS
EXPECTED TO BECOME INCREASINGLY MARGINAL BY WW EXPIRATION TIME OF
06Z.

DISCUSSION...CLUSTER OF STRONG TO SEVERE STORMS CONTINUE PROPAGATING
SEWD THROUGH CNTRL MS ALONG ATTENDANT OUTFLOW BOUNDARY. MUCH OF THE
ACTIVITY IS BEHIND THE CONVECTIVE OUTFLOW WITH THE EXCEPTION OF
LEADING STORM MOVING INTO LEAKE COUNTY. THIS STORM IS A LITTLE
BETTER ORGANIZED WITH SOME SUPERCELL CHARACTERISTICS AND APPEARS TO
HAVE INTERCEPTED THE OLD RESIDUAL OUTFLOW BOUNDARY. WHILE A BRIEF
TORNADO CANNOT BE RULED OUT...THE STABILIZING SFC LAYER AND TENDENCY
FOR THE STORMS TO SHIFT SOUTH OF THE STRONGER FLOW ALOFT SHOULD
LIMIT THE PRIMARY THREAT TO ISOLATED DAMAGING WIND AND HAIL THROUGH
06Z.

..DIAL.. 08/14/2012

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

ATTN...WFO...JAN...

LAT...LON 33209025 32868856 32288866 32078988 32259083 33089092
33209025

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