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ACUS11 KWNS 022025
SWOMCD
SPC MCD 022025
SCZ000-FLZ000-GAZ000-ALZ000-022230-

Mesoscale Discussion 0626
NWS Storm Prediction Center Norman OK
0325 PM CDT Sat Jun 02 2018

Areas affected...Southeastern Georgia...northern Florida

Concerning...Severe Thunderstorm Watch 150...

Valid 022025Z - 022230Z

The severe weather threat for Severe Thunderstorm Watch 150
continues.

SUMMARY...The severe threat continues across central and eastern
portions of WW 150 - primarily in southeastern Georgia and northern
Florida.

DISCUSSION...Scattered to numerous thunderstorms continue to
propagate eastward/southeastward across the discussion area. One
prominent linear segment just moved through VAD, resulting in a
46-knot thunderstorm wind gust. This linear segment extends
southwestward toward the Florida Big Bend and will continue to pose
a risk of wind damage/severe wind gusts as it migrates through north
Florida where a strongly unstable (3000-4000 J/kg MUCAPE) and
modestly sheared airmass exists.

Other strong to severe, "pulse-type" thunderstorms were located
across southeastern Georgia along an axis from near VDI to near SAV.
The cold pools responsible for thunderstorm propagation in these
areas were a bit less mature compared to areas south, resulting in a
more sporadic wind damage/gust threat in these areas.

Farther west, convection was migrating southeastward into portions
of the Florida Panhandle and southeastern Alabama that were
previously undisturbed from an earlier convective cluster now
located east of this area. An isolated severe threat persists with
this activity, although the storms appear to be less-organized
compared to the convective cluster to the east.

In sum, areas of southern Georgia that have previously been
convectively overturned/stabilized may be removed from WW 150 well
before the originally scheduled expiration time (00Z - See latest
Watch Status guidance for more information on stabilized areas and
recommended clearing). Outside of these areas, a considerable wind
risk will remain, and a few 1" hailstones are possible near stronger
cores. Some local extensions of WW 150 into northern Florida
(Dixie, Gilchrest, and Alachua) may be needed in the next hour or so
as well.

..Cook.. 06/02/2018

...Please see www.spc.noaa.gov for graphic product...

ATTN...WFO...CHS...MLB...TBW...JAX...FFC...TAE...MOB...

LAT...LON 29438317 29498424 29548494 29728542 30148606 30528647
30948665 31238661 31488620 31578579 31598545 31328525
30958493 30588499 30288503 30138471 30178440 30418409
30898355 31458308 32008283 32548263 32758235 32798171
32668131 32258094 31918081 31248081 30568083 29918086
29488093 29288117 29478185 29588227 29538285 29438317



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