

766 

WWUS20 KWNS 142141

SEL3

SPC WW 142141

AZZ000-150500-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 653

NWS Storm Prediction Center Norman OK

345 PM MDT Sat Sep 14 2019



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Southern Arizona



* Effective this Saturday afternoon and evening from 345 PM until

  1100 PM MDT.



* Primary threats include...

  Isolated significant damaging wind gusts to 75 mph possible



SUMMARY...Thunderstorms will continue to increase over the

mountains, with some of the storms and their related outflows

expected to move onto the desert floor this evening. Severe-caliber

winds/blowing dust will be possible.



The severe thunderstorm watch area is approximately along and 50

statute miles north and south of a line from 55 miles west northwest

of Gila Bend AZ to 90 miles east of Phoenix AZ. For a complete

depiction of the watch see the associated watch outline update

(WOUS64 KWNS WOU3).



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 65 knots. A few

cumulonimbi with maximum tops to 500. Mean storm motion vector

07015.



...Guyer

