

383 

WWUS20 KWNS 211508

SEL9

SPC WW 211508

ALZ000-FLZ000-GAZ000-212200-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 299

NWS Storm Prediction Center Norman OK

1110 AM EDT Sat Jul 21 2018



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Southeast Alabama

  Northern Florida

  Southern Georgia



* Effective this Saturday morning and evening from 1110 AM until

  600 PM EDT.



* Primary threats include...

  Scattered damaging wind gusts to 70 mph possible

  Scattered large hail events to 1.5 inches in diameter possible



SUMMARY...A long-lived line of thunderstorms over Georgia will track

southeastward across the watch area through the day, posing a risk

of locally damaging wind gusts and some hail.



The severe thunderstorm watch area is approximately along and 65

statute miles north and south of a line from 15 miles west northwest

of Marianna FL to 20 miles northeast of Jacksonville 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

1.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A

few cumulonimbi with maximum tops to 500. Mean storm motion vector

33025.



...Hart

