[MCD] SWOMCD

[Mesoscale Convective Discussions]

ACUS11 KWNS 292200
SWOMCD
SPC MCD 292159 
GAZ000-ALZ000-292330-

MESOSCALE DISCUSSION 1668
NWS STORM PREDICTION CENTER NORMAN OK
0459 PM CDT SAT JUL 29 2006

AREAS AFFECTED...CENTRAL AL

CONCERNING...SEVERE THUNDERSTORM POTENTIAL 

VALID 292159Z - 292330Z

POTENTIAL FOR ISOLATED DAMAGING DOWNBURSTS WILL CONTINUE TO SPREAD
SOUTH-SOUTHEAST ACROSS CENTRAL AL THROUGH 00Z...INCLUDING AREAS
SOUTH OF BIRMINGHAM TO AROUND ALEXANDER CITY/SELMA/MONTGOMERY.

WHILE MID LEVEL MCV CONTINUES TO SPREAD SE ACROSS FAR NORTHERN
AL...ASSOCIATED SURFACE COLD POOL HAS BECOME MORE EXPANSIVE ACROSS
THE NORTHERN THIRD OF AL OVER THE PAST SEVERAL HOURS. THIS
RELATIVELY WELL ORGANIZED COLD POOL IS DRIVING A ENE-WSW ORIENTED
BAND OF STRONG/SEVERE STORMS...LARGELY PARALLEL TO THE I-59 CORRIDOR
AS OF 2145Z. THESE STORMS HAVE HAD A HISTORY OF DAMAGING
WINDS...INCLUDING MEASURED GUSTS OF 48 KTS AT BIRMINGHAM AROUND
21Z...WITH A 37 KT GUST AT TUSCALOOSA AT 2106Z. FURTHER SE
PROPAGATION IS ANTICIPATED OVER THE NEXT COUPLE OF HOURS TOWARD THE
ALEXANDER CITY/SELMA/MONTGOMERY VICINITIES...VIA 15 KTS OF LOW LEVEL
STORM RELATIVE INFLOW AND A MODERATELY UNSTABLE AIRMASS WITH MLCAPES
OF 1500-2000 J/KG ACROSS SOUTH CENTRAL AL.

..GUYER.. 07/29/2006

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

ATTN...WFO...FFC...BMX...

32248589 32298764 32648822 33148796 33408669 33718569
33288518 32388519 

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