SWOMCD
SPC MCD 291615
GAZ000-FLZ000-ALZ000-MSZ000-291645-
MESOSCALE DISCUSSION 0741
NWS STORM PREDICTION CENTER NORMAN OK
1115 AM CDT SAT MAY 29 2010
AREAS AFFECTED...MUCH OF CENTRAL/SRN AL...FAR ERN MS...SWRN GA AND
FL PANHANDLE
CONCERNING...SEVERE POTENTIAL...WATCH LIKELY
VALID 291615Z - 291645Z
SEVERE TSTM WATCH WILL LIKELY BE NEEDED EARLY THIS AFTERNOON ACROSS
FAR ERN MS THROUGH MUCH OF CENTRAL/SRN AL INTO SWRN GA AND FL
PANHANDLE.
SATELLITE IMAGERY INDICATED COOLING CLOUD TOPS WITH CONVECTION OVER
THE WRN FL PANHANDLE INTO SOUTH CENTRAL-SERN AL ALONG A LOW LEVEL
CONVERGENCE ZONE/BOUNDARY WHICH EXTENDED FROM THE NERN GULF NWD TO
NERN AL /BETWEEN BHM-ANB/. ADDITIONAL SURFACE HEATING WILL FURTHER
DESTABILIZE THE AIR MASS ACROSS THIS REGION WHERE OBJECTIVE ANALYSES
SHOW SBCINH HAS BEEN REMOVED. ALTHOUGH DEEP LAYER SHEAR IS WEAK...
PULSE-TYPE STORMS WILL BE LIKELY THIS AFTERNOON WITHIN A
MOIST/MODERATELY UNSTABLE AIR MASS. CONVECTIVE COVERAGE WILL BE
ENHANCED BY FORCING FOR ASCENT ALONG ERN PERIPHERY OF CLOSED LOW
CENTERED OVER MS AND AS 30 KT WLY MID LEVEL JET MOVES INTO SERN
MS/SWRN AL LATER THIS AFTERNOON. TSTMS SHOULD BE FOCUSED ALONG THE
AFOREMENTIONED N-S ORIENTED BOUNDARY...SEA/LAKE BREEZE
BOUNDARIES...SRN EXTENT OF NERN AL CLUSTER AND EVENTUALLY CONVECTIVE
OUTFLOWS.
..PETERS.. 05/29/2010
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...FFC...TAE...BMX...MOB...JAN...LIX...
LAT...LON 33458666 33248540 32428456 31158447 30198478 30418628
30378792 30578872 31928896 33408874 33458666
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