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WWUS20 KWNS 101559

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SPC WW 101559

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URGENT - IMMEDIATE BROADCAST REQUESTED

Tornado Watch Number 483

NWS Storm Prediction Center Norman OK

1200 PM EDT Sun Sep 10 2017



The NWS Storm Prediction Center has issued a



* Tornado Watch for portions of

  much of Florida

  far southeast Georgia

  Coastal Waters



* Effective this Sunday from NOON until Midnight EDT.



* Primary threats include...

  A few tornadoes likely

  Isolated significant damaging wind gusts to 75 mph possible



SUMMARY...Bands of convection associated with Hurricane Irma will

continue progressing north across Florida in conjunction with Irma's

advance, while individual/embedded cells within the bands move

quickly westward.  Stronger cells will be capable of producing

tornadoes this afternoon and evening.



The tornado watch area is approximately along and 75 statute miles

east and west of a line from 15 miles west northwest of Jacksonville

FL to 40 miles southwest of Avon Park FL. For a complete depiction

of the watch see the associated watch outline update (WOUS64 KWNS

WOU3).



PRECAUTIONARY/PREPAREDNESS ACTIONS...



REMEMBER...A Tornado Watch means conditions are favorable for

tornadoes and 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.



&&



OTHER WATCH INFORMATION...CONTINUE...WW 482...



AVIATION...Tornadoes and a few severe thunderstorms with hail

surface and aloft to 0.5 inches. Extreme turbulence and surface wind

gusts to 65 knots. A few cumulonimbi with maximum tops to 600. Mean

storm motion vector 9050.



...Goss

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