Headline:
Special Weather Statement issued September 23 at 4:31PM MST by NWS Flagstaff AZ
Event:
Special Weather Statement
Urgency:
Expected
Effective:
September 23, 2026 - 4:31pm
Expires:
September 23, 2026 - 5:00pm
Description:
At 431 PM MST, Doppler radar was tracking a line of strong
thunderstorms extending from 8 miles west of Castle Hot Springs to
Black Canyon City to 10 miles northwest of Sunset Mountain, moving
southeast at 10 mph.
HAZARD...Wind gusts up to 50 mph and penny size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
Locations impacted include...
Castle Hot Springs, Coles Bay, Humbug Bay, Goose Bay, Castle Creek
Boat Ramp, Cottonwood Day Use Area, Lake Pleasant, Black Canyon
City, Agua Fria National Monument, Humbug, Casa Rosa and Rock
Springs.
This includes Interstate 17 between mile markers 242 and 246.
This includes the following recreation areas and campgrounds...
Black Canyon Campground.
Instruction:
Monitor the weather situation closely and be alert for threatening
weather conditions.
Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
If on or near the north portions of Lake Pleasant, get out of the
water and move indoors or inside a vehicle. Remember, lightning can
strike out to 10 miles from the parent thunderstorm. If you can hear
thunder, you are close enough to be struck by lightning. Move to safe
shelter now! Do not be caught on the water in a thunderstorm.
Area Description:
Yavapai County Mountains; Yavapai County Valleys and Basins
Forcast Office:
NWS Flagstaff AZ
Sender:
w-nws.webmaster@noaa.gov