

644 

WWUS20 KWNS 222006

SEL8

SPC WW 222006

ALZ000-MSZ000-TNZ000-230200-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 158

NWS Storm Prediction Center Norman OK

305 PM CDT Sat Apr 22 2017



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Northern and West Central Alabama

  Central and Northeast Mississippi

  Southern Middle Tennessee



* Effective this Saturday afternoon and evening from 305 PM until

  900 PM CDT.



* Primary threats include...

  Scattered damaging wind gusts to 70 mph likely

  Scattered large hail and isolated very large hail events to 2

    inches in diameter possible

  A tornado or two possible



SUMMARY...Storms are increasing from southwest Tennessee into

central Mississippi ahead of a cold front moving into the area.

Stronger storms will be capable of producing damaging wind gusts and

large hail.



The severe thunderstorm watch area is approximately along and 60

statute miles east and west of a line from 100 miles southwest of

Columbus MS to 70 miles north northeast of Huntsville AL. For a

complete depiction of the watch see the associated watch outline

update (WOUS64 KWNS WOU8).



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 157...



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

26030.



...Weiss

