SPC Severe Thunderstorm Watch 699



WW 699 SEVERE TSTM FL CW 140845Z – 141600Z

WW 0699 Image

URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 699
NWS Storm Prediction Center Norman OK
345 AM EST Sat Dec 14 2019

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of 
  Central and northern Florida
  Coastal Waters

* Effective this Saturday morning from 345 AM until 1100 AM EST.

* Primary threats include...
  Isolated damaging wind gusts to 70 mph possible
  A tornado or two possible

SUMMARY...Somewhat-organized thunderstorms are expected to move
ashore from the Gulf during the next several hours, into a
moistening and destabilizing air mass across the central peninsula
and parts of north-central/northeastern FL.  Damaging gusts are the
main concern but a tornado cannot be ruled out.

The severe thunderstorm watch area is approximately along and 70
statute miles either side of a line from 20 miles west southwest of
Saint Petersburg FL to 25 miles east southeast of Daytona Beach FL.
For a complete depiction of the watch see the associated watch
outline update (WOUS64 KWNS WOU9).

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A Severe Thunderstorm Watch means conditions are
favorable for severe thunderstorms in and close to the watch area.
Persons in these areas should be on the lookout for threatening
weather conditions and listen for later statements and possible
warnings. Severe thunderstorms can and occasionally do produce
tornadoes.

&&

AVIATION...A few severe thunderstorms with hail surface and aloft to
1 inch. Extreme turbulence and surface wind gusts to 60 knots. A few
cumulonimbi with maximum tops to 500. Mean storm motion vector
25035.

...Edwards

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