Alert archive / Arizona / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 83, NWS Flagstaff, AZ

August 11, 2026Apache County, Arizona

NWS Flagstaff, AZ issued this severe thunderstorm warning at Aug 11, 2026, 2:03 PM MST for Apache County, Arizona. It was in force for 18 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: Aug 11, 2026, 2:03 PM MST (21:03 UTC)
Expired: Aug 11, 2026, 2:21 PM MST
In force: 18 min
Issued by: NWS Flagstaff, AZ
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Apache County, AZ

The radar

The Flagstaff radar (KFSX), 181 km from the middle of the area, began a volume at 21:05 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 Aug 11, 12:16 PM MST, 1 hour 47 minutes earlier.

Area forecast discussion, Aug 11, 12:16 PM MST, 1 hour 47 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 10, 5:20 PM MST	Severe Thunderstorm Warning	FGZ	Yavapai	25 min
Aug 10, 6:31 PM MST	Flash Flood Warning Considerable damage threat	FGZ	Navajo	3 hr
Aug 11, 2:59 PM MST	Special Weather Statement	FGZ		31 min
Aug 11, 3:21 PM MST	Areal Flood Advisory	FGZ	Coconino	114 min
Aug 11, 4:37 PM MST	Flash Flood Warning Considerable damage threat	FGZ	Gila, Navajo	3 hr

Nearby

Severe Thunderstorm Warnings in Arizona, 2026 Every 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.