Alert archive / Arizona / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 10, NWS Flagstaff, AZ

July 12, 2026Yavapai County, Arizona

NWS Flagstaff, AZ issued this severe thunderstorm warning at Jul 12, 2026, 4:25 PM MST for Yavapai County, Arizona. It was in force for 35 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jul 12, 2026, 4:25 PM MST (23:25 UTC)
Expired
Jul 12, 2026, 5:00 PM MST
In force
35 min
Issued by
NWS Flagstaff, AZ
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Yavapai County, AZ

The radar

The Flagstaff radar (KFSX), 124 km from the middle of the area, began a volume at 23:24 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Flagstaff, AZ wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 12, 3:56 PM MST, 29 minutes earlier.

Area forecast discussion, Jul 12, 3:56 PM MST, 29 minutes before
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In the hours before

Special weather statement, Jul 12, 1:30 PM MST, 2 hours 55 minutes before
Special Weather Statement
National Weather Service Flagstaff AZ
130 PM MST Sun Jul 12 2026

AZZ008-015-037-038-122115-
Yavapai County Valleys and Basins AZ-Western Mogollon Rim AZ-Oak
Creek and Sycamore Canyons AZ-Yavapai County Mountains AZ-
130 PM MST Sun Jul 12 2026

...A STRONG THUNDERSTORM WILL IMPACT THE SEDONA AREA IN YAVAPAI AND
COCONINO COUNTIES UNTIL 215 PM MST...

At 130 PM MST, Doppler radar was tracking a strong thunderstorm near
Munds Mountain Wilderness, or 11 miles southeast of Sedona, moving
northwest at 15 mph.

HAZARD...Wind gusts up to 40 mph and hail up to half inch size.

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...
  Sedona, Village of Oak Creek, Cornville, Munds Park, Page Springs,
  Sedona Airport, Munds Mountain Wilderness, Beaverhead Flat, Wet
  Beaver Creek Day Use Area, Slide Rock State Park, Bell Rock,
  Schnebly Hill Overlook, Cathedral Rock, Bell Crossing/The Crack,
  Wet Beaver Wilderness, Apache Maid Mountain, East Pocket Lookout
  Tower, Uptown Sedona, Red Rock-Secret Mountain Wilderness and
  Indian Gardens.

This includes the following highways...
Interstate 17 between mile markers 299 and 323. State Route 179
between mile markers 299 and 313. State Route 89A between mile
markers 369 and 383.

This includes the following recreation areas and campgrounds...
Manzanita Campground.

This includes the following swimming holes...
Slide Rock, Encinoso, Grasshopper Point, Midgely Bridge, Buddha Beach
"Red Rock Crossing", Crescent Moon Ranch, Mormons Crossing and Bell
Crossing "The Crack".

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the weather situation closely and be alert for threatening
weather conditions.

&&

LAT...LON 3485 11186 3499 11179 3489 11148 3483 11150
      3480 11155 3472 11155 3465 11158 3471 11192
TIME...MOT...LOC 2028Z 113DEG 14KT 3479 11163

MAX HAIL SIZE...0.50 IN
MAX WIND GUST...40 MPH

MCT
Local storm report, Jul 12, 4:12 PM MST, 13 minutes before
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      <h1 id="headline">This service is currently unavailable.</h1>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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The office that day

Everything else NWS Flagstaff, AZ issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 12, 12:39 PM MSTAreal Flood AdvisoryFGZYavapai28 min
Jul 12, 1:07 PM MSTFlash Flood Warning Considerable damage threatFGZYavapai5 hr
Jul 12, 1:30 PM MSTSpecial Weather StatementFGZ45 min
Jul 12, 2:29 PM MSTSevere Thunderstorm WarningFGZYavapai31 min
Jul 12, 2:46 PM MSTFlash Flood Warning Considerable damage threatFGZGila3 hr
Jul 12, 2:56 PM MSTSevere Thunderstorm WarningFGZYavapai34 min
Jul 12, 3:05 PM MSTSevere Thunderstorm WarningFGZYavapai25 min
Jul 12, 3:16 PM MSTSevere Thunderstorm WarningFGZYavapai44 min
Jul 12, 3:28 PM MSTFlash Flood Warning Considerable damage threatFGZYavapai3 hr

Nearby

Severe Thunderstorm Warnings in Arizona, 2026Every severe thunderstorm warning in 2026

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.