Alert archive / Arizona / Severe Thunderstorm Warnings in 2026
Severe Thunderstorm Warning 99, NWS Flagstaff, AZ
NWS Flagstaff, AZ issued this severe thunderstorm warning at Aug 20, 2026, 7:05 PM MDT for Navajo County, Arizona. It was in force for 25 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 20, 2026, 7:05 PM MDT (01:05 UTC)
- Expired
- Aug 20, 2026, 7:30 PM MDT
- In force
- 25 min
- Issued by
- NWS Flagstaff, AZ
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Navajo County, AZ
The radar
The Flagstaff radar (KFSX), 122 km from the middle of the area, began a volume at 01:08 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.
The office that day
Everything else NWS Flagstaff, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 20, 6:08 PM MDT | Severe Thunderstorm Warning | FGZ | Yavapai | 37 min |
| Aug 20, 7:30 PM MDT | Severe Thunderstorm Warning | FGZ | Coconino, Navajo | 23 min |
| Aug 20, 8:06 PM MDT | Areal Flood Advisory | FGZ | Navajo | 114 min |
| Aug 20, 8:14 PM MDT | Special Weather Statement | FGZ | Navajo | 31 min |
| Aug 20, 9:08 PM MDT | Flash Flood Warning | FGZ | Coconino | 3 hr |
| Aug 20, 10:47 PM MDT | Flash Flood Warning | FGZ | Coconino | 6 hr |
| Aug 20, 10:55 PM MDT | Flash Flood Warning | FGZ | Coconino | 3 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.