SWOMCD
SPC MCD 061445
FLZ000-061615-
MESOSCALE DISCUSSION 0958
NWS STORM PREDICTION CENTER NORMAN OK
0945 AM CDT SAT JUN 06 2009
AREAS AFFECTED...CNTRL/SRN FL PEN
CONCERNING...OUTLOOK UPGRADE
VALID 061445Z - 061615Z
STORM DEVELOPMENT TODAY MAY BE ACCOMPANIED BY THE RISK FOR LARGE
HAIL AND DAMAGING WIND GUSTS...PERHAPS AN ISOLATED TORNADO IN THE
VICINITY OF THE EAST COAST. SEVERE PROBABILITIES WILL BE
INCREASED...WITH A SLIGHT RISK ADDED FOR AREA IN THE FORTHCOMING
1630Z OUTLOOK.
RELATIVELY COOL MID-LEVEL TEMPERATURES ASSOCIATED WITH A SLOW MOVING
UPPER TROUGH...NOW OVER THE FLORIDA PENINSULA...ARE EXPECTED TO
CONTRIBUTE TO MODERATELY STRONG INSTABILITY...AS A MOIST ENVIRONMENT
WARMS WITH SURFACE HEATING. DESTABILIZATION IS EXPECTED TO SUPPORT
WIDELY SCATTERED STORM DEVELOPMENT ACROSS THE PENINSULA THROUGH
EARLY AFTERNOON...BEFORE ACTIVITY BECOMES MORE WIDESPREAD DURING THE
18-21Z TIME FRAME. AS 10-20 KT SOUTHWESTERLY LOWER/MID TROPOSPHERIC
FLOW MIXES TO THE SURFACE...IT WOULD SEEM HIGHEST STORM
PROBABILITIES WILL EXIST ACROSS EASTERN INTERIOR AND COASTAL AREAS.
MID-LEVEL FLOW FIELDS MAY BE STRONG ENOUGH TO ONCE AGAIN SUPPORT
SUFFICIENT DEEP LAYER SHEAR FOR ISOLATED SUPERCELLS...PARTICULARLY
NEAR THE EAST COAST SEA BREEZE.
..KERR.. 06/06/2009
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...MFL...MLB...KEY...TBW...JAX...
LAT...LON 28628159 29238149 29778123 29328088 28448043 27358003
26757988 25747996 25298017 25268101 25888119 26198160
26998214 27578242 28108194 28628159
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