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MESOSCALE DISCUSSION 0209
NWS STORM PREDICTION CENTER NORMAN OK
0349 PM CST SUN FEB 24 2013
AREAS AFFECTED...FL PANHANDLE
CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY
VALID 242149Z - 242315Z
PROBABILITY OF WATCH ISSUANCE...5 PERCENT
SUMMARY...AN ISOLATED RISK FOR MARGINALLY SEVERE HAIL MAY PERSIST
FOR THE NEXT FEW HOURS WITH A CLUSTER OF ELEVATED TSTMS.
DISCUSSION...SPLITTING CELLS HAVE BEEN NOTED IN THE PAST HOUR WITHIN
A W/E-ORIENTED CLUSTER OF ELEVATED TSTMS N OF A QUASI-STATIONARY
FRONT IN THE NERN GULF. THIS FLARE UP APPEARS TO BE ATTRIBUTED TO
LOW-LEVEL ISENTROPIC LIFT CO-LOCATED WITH A POCKET OF COMPARATIVELY
RICHER LOWER-LEVEL MOISTURE ANALYZED IN OBJECTIVE GUIDANCE. ALTHOUGH
MUCAPE IS LIKELY MEAGER...AROUND 250-500 J/KG...MODERATELY STEEP
MID-LEVEL LAPSE RATES ALONG WITH NEARLY UNIDIRECTIONAL W/SWLYS
INCREASING THROUGH THE CLOUD-BEARING LAYER...SAMPLED IN TLH/EVX VWP
DATA...WILL FAVOR TRANSIENT RISKS FOR MARGINALLY SEVERE HAIL. WITH
TIME...INCREASING AMALGAMATION OF CORES MAY TEMPER THE THREAT.
..GRAMS/CORFIDI.. 02/24/2013
ATTN...WFO...TBW...JAX...TAE...
LAT...LON 30538288 30258260 29768266 29398286 29418331 29628517
30378641 30648525 30538288
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