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WWUS20 KWNS 091749

SEL7

SPC WW 091749

ALZ000-100000-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 77

NWS Storm Prediction Center Norman OK

1250 PM CDT Fri Apr 9 2021



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Central and west central Alabama



* Effective this Friday afternoon and evening from 1250 PM until

  700 PM CDT.



* Primary threats include...

  Scattered large hail and isolated very large hail events to 2

    inches in diameter possible

  Isolated damaging wind gusts to 70 mph possible



SUMMARY...Scattered thunderstorm development is expected through the

afternoon across west central into central Alabama. The strongest

storms could develop some supercell structures and pose a threat for

large hail and isolated damaging winds, prior to weakening this

evening.



The severe thunderstorm watch area is approximately along and 50

statute miles north and south of a line from 35 miles west southwest

of Tuscaloosa AL to 45 miles southeast of Birmingham AL. For a

complete depiction of the watch see the associated watch outline

update (WOUS64 KWNS WOU7).



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.



&&



OTHER WATCH INFORMATION...CONTINUE...WW 76...



AVIATION...A few severe thunderstorms with hail surface and aloft to

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

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

27020.



...Thompson

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