338
WWUS75 KTWC 010900
NPWTWC

URGENT - WEATHER MESSAGE
National Weather Service Tucson AZ
200 AM MST Tue Jul 1 2025

AZZ502>506-515-012300-
/O.NEW.KTWC.DU.Y.0011.250701T2100Z-250702T0300Z/
Tohono O`odham Nation-Upper Santa Cruz River Valley/Altar Valley-
Tucson Metro Area-South Central Pinal County-Southeast Pinal
County-Baboquivari Mountains-
Including the cities of Kitt Peak, Nogales, Marana, Oracle,
Sells, Green Valley, Vail, Picacho Peak State Park, Mammoth, and
Tucson
200 AM MST Tue Jul 1 2025

...BLOWING DUST ADVISORY IN EFFECT FROM 2 PM THIS AFTERNOON TO 8 PM
MST THIS EVENING...

* WHAT...Scattered thunderstorms with strong thunderstorm outflow
  wind gusts to 40-50 mph will result in blowing dust lowering
  visibility between one-quarter and one mile at times.

* WHERE...Baboquivari Mountains, South Central Pinal County,
  Southeast Pinal County, Tohono O`odham Nation, Tucson Metro Area,
  and Upper Santa Cruz River Valley/Altar Valley.

* WHEN...From 2 PM this afternoon to 8 PM MST this evening.

* IMPACTS...Hazardous driving conditions due to reduced visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Persons with respiratory problems should make preparations to stay
indoors until the storm passes. Be ready for a sudden drop in
visibility to near zero. If you encounter blowing dust or blowing
sand on the roadway or see it approaching, pull off the road as far
as possible and put your vehicle in park. Turn the lights all the
way off and keep foot off the brake pedal. Remember, `Pull Aside,
Stay Alive`.

&&

$$

GEL