[MCD] SWOMCD

[MCD at goshenarc.org]

ACUS11 KWNS 122148
SWOMCD
SPC MCD 122148 
SCZ000-GAZ000-FLZ000-ALZ000-130015-

MESOSCALE DISCUSSION 1634
NWS STORM PREDICTION CENTER NORMAN OK
0448 PM CDT MON JUL 12 2004

AREAS AFFECTED...CENTRAL/SRN AL...SRN/ERN GA AND THE PIEDMONT OF SC

CONCERNING...CONVECTIVE TRENDS 

VALID 122148Z - 130015Z

CONVECTIVE LINE WILL MOVE SWD AROUND 20 KTS POSING A CONTINUED
THREAT FOR ISOLATED DAMAGING WINDS INTO CENTRAL/SRN AL AND SRN/ERN
GA. ADDITIONAL ISOLATED DAMAGING WIND THREAT WILL BE POSSIBLE NEWD
INTO CENTRAL SC WHEN OUTFLOW INTERACTS WITH ONGOING STRONG
CONVECTION.

STRONGEST STORMS EMBEDDED WITHIN CONVECTIVE LINE EXTENDING FROM
ECENTRAL GA INTO CENTRAL AL WILL MOVE SWD INTO SRN AL AND SRN GA
OVER THE NEXT FEW HOURS. AHEAD OF WHERE A COLD POOL WAS
INTENSIFYING...THE MOST ORGANIZED PORTION OF THE LINE WILL MOVE SWD
FROM THE BHM AREA TOWARDS MGM THROUGH 00Z. STEEP LOW LEVEL LAPSE
RATES FROM 8.5-9 DEG C/KM AND MODERATE INSTABILITY AXIS WITH MLCAPES
FROM 2000-2500 J/KG WILL SUPPORT A CONTINUED ISOLATED SEVERE WIND
THREAT. ADDITIONAL STORMS DEVELOPING OVER FAR SRN GA AND CENTRAL SC
MAY ALSO POSE AN ISOLATED SEVERE WIND THREAT WHERE THERMODYNAMIC
ENVIRONMENT IS FAVORABLE FOR WET MICROBURSTS. THIS WILL BE
ESPECIALLY TRUE WHEN MAIN SWD MOVING CONVECTIVE LINE INTERACTS WITH
ONGOING STRONG STORMS IN THESE AREAS.

..CROSBIE.. 07/12/2004

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

ATTN...WFO...ILM...CHS...CAE...JAX...FFC...TAE...BMX...MOB...

30988586 31118759 32578786 33138779 33388754 32878605
32728510 33408300 34468092 34147980 31728135 30928479 

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