

316 

WWUS20 KWNS 102349

SEL9

SPC WW 102349

AZZ000-110700-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 369

NWS Storm Prediction Center Norman OK

550 PM MDT Sat Jul 10 2021



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  South central Arizona



* Effective this Saturday afternoon and Sunday morning from 550

  PM until 100 AM MDT.



* Primary threats include...

  Scattered damaging wind gusts to 70 mph possible

  Isolated large hail events to 1 inch in diameter possible



SUMMARY...Thunderstorms forming over the mountains of southeast

Arizona and along the Mogollon Rim are expected to increase in

coverage and intensity the next few hours, and the storms could

evolve into a larger storm cluster and spread west-southwestward

into the lower deserts later this evening into early tonight.  The

primary severe threats will be damaging outflow winds of 60-70 mph

and isolated large hail near 1 inch diameter.



The severe thunderstorm watch area is approximately along and 85

statute miles east and west of a line from 40 miles northeast of

Phoenix AZ to 70 miles west southwest of Tucson AZ. 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.



&&



OTHER WATCH INFORMATION...CONTINUE...WW 365...WW 366...WW

367...WW 368...



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

1 inch. Extreme turbulence and surface wind gusts to 60 knots. A few

cumulonimbi with maximum tops to 550. Mean storm motion vector

07025.



...Thompson

