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ACUS11 KWNS 041806
SWOMCD
SPC MCD 041805
FLZ000-042030-
Mesoscale Discussion 0530
NWS Storm Prediction Center Norman OK
0105 PM CDT Sat May 04 2019
Areas affected...Central FL Peninsula
Concerning...Severe potential...Watch unlikely
Valid 041805Z - 042030Z
Probability of Watch Issuance...5 percent
SUMMARY...Thunderstorms capable of isolated damaging wind are
possible this afternoon. Watch issuance is currently not
anticipated.
DISCUSSION...Thunderstorms have recently developed north and east of
Tampa, with increasing cumulus noted across the central FL Peninsula
and also along the east coast sea breeze. Additional storm
development is expected in the next 1-2 hours, as heating continues
within a moist and increasingly unstable environment.
While most storms will likely be relatively disorganized, MLCAPE of
2000-3000 J/kg and relatively cool temperatures aloft will support
robust updrafts. Modest midlevel southwesterly flow aloft may
provide sufficient effective shear for weak updraft rotation at
times, and the strongest cells will be capable of producing isolated
damaging wind and small hail. Some potential for a brief tornado may materialize near the east coast sea breeze, where backed low-level
flow and somewhat richer boundary-layer moisture will be in place.
With the severe threat expected to remain isolated and sporadic in
nature, watch issuance is currently not anticipated.
..Dean/Guyer.. 05/04/2019
...Please see www.spc.noaa.gov for graphic product...
ATTN...WFO...MFL...MLB...TBW...
LAT...LON 28828199 28978095 28288068 26968012 26738017 26478034
26618117 26738162 27998203 28828199
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