Alert archive / Arizona / Flash Flood Warnings in 2026
Flash Flood Warning 237, NWS Tucson, AZ
NWS Tucson, AZ issued this flash flood warning at Sep 29, 2026, 10:37 AM MST for Pima County, Arizona. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Sep 29, 2026, 10:37 AM MST (17:37 UTC)
- Expired
- Sep 29, 2026, 4:30 PM MST
- In force
- 6 hr
- Issued by
- NWS Tucson, AZ
- Area
- Storm-based polygon
- Flood severity
- None
County Pima County, AZ
The radar
The Tucson radar (KEMX), 112 km from the middle of the area, began a volume at 17:37 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 flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Tucson, AZ wrote its last area forecast discussion before this flash flood warning went out at Sep 28, 3:07 PM MST, 19 hours 30 minutes earlier.
Area forecast discussion, Sep 28, 3:07 PM MST, 19 hours 30 minutes before
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</html>The office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 29, 8:24 AM MST | Flash Flood Warning | TWC | Cochise | 8 hr |
| Sep 29, 8:32 AM MST | Flash Flood Warning | TWC | Pima, Pinal | 7 hr |
| Sep 29, 9:12 AM MST | Flash Flood Warning | TWC | Pima | 7 hr |
| Sep 29, 9:40 AM MST | Flash Flood Warning | TWC | Pima, Pinal | 6 hr |
| Sep 29, 9:53 AM MST | Flash Flood Warning | TWC | Pima | 3 hr |
| Sep 29, 9:54 AM MST | Areal Flood Advisory | TWC | Cochise | 9 hr |
| Sep 29, 9:57 AM MST | Severe Thunderstorm Warning | TWC | Pima | 48 min |
| Sep 29, 10:09 AM MST | Severe Thunderstorm Warning | TWC | Graham, Pima, Pinal | 38 min |
| Sep 29, 10:27 AM MST | River Flood Warning | TWC | Graham | 37 hr |
| Sep 29, 10:40 AM MST | Flash Flood Warning | TWC | Pinal | 5 hr |
| Sep 29, 10:59 AM MST | Areal Flood Advisory | TWC | Greenlee | 3 hr |
| Sep 29, 11:25 AM MST | Severe Thunderstorm Warning | TWC | Pima, Pinal | 40 min |
| Sep 29, 11:36 AM MST | Flash Flood Warning | TWC | Graham, Pinal | 4 hr |
| Sep 29, 12:20 PM MST | Flash Flood Warning | TWC | Cochise | 7 hr |
| Sep 29, 12:30 PM MST | Flash Flood Warning | TWC | Cochise, Pima | 6 hr |
| Sep 29, 12:55 PM MST | Severe Thunderstorm Warning | TWC | Pima | 35 min |
| Sep 29, 12:56 PM MST | Areal Flood Advisory | TWC | Pima | 4 hr |
| Sep 29, 1:24 PM MST | Flash Flood Warning | TWC | Graham, Greenlee | 8 hr |
| Sep 29, 1:59 PM MST | Areal Flood Advisory | TWC | Pinal | 56 min |
| Sep 29, 2:08 PM MST | Areal Flood Advisory | TWC | Greenlee | 4 hr |
| Sep 29, 2:34 PM MST | Areal Flood Advisory | TWC | Pima | 14 hr |
| Sep 29, 2:38 PM MST | Flash Flood Warning | TWC | Cochise, Graham | 6 hr |
| Sep 29, 2:44 PM MST | Areal Flood Advisory | TWC | Cochise, Santa Cruz | 6 hr |
| Sep 29, 2:55 PM MST | Areal Flood Warning | TWC | Pinal | 9 hr |
| Sep 29, 2:59 PM MST | Severe Thunderstorm Warning | TWC | Cochise, Graham | 31 min |
| Sep 29, 3:14 PM MST | Areal Flood Warning | TWC | Pinal | 12 hr |
| Sep 29, 3:16 PM MST | Areal Flood Warning | TWC | Pima, Pinal | 12 hr |
| Sep 29, 3:16 PM MST | Areal Flood Warning | TWC | Graham, Pima, Pinal | 12 hr |
| Sep 29, 3:18 PM MST | Areal Flood Warning | TWC | Cochise, Graham, Pima, Pinal | 8 hr |
| Sep 29, 4:00 PM MST | Areal Flood Warning | TWC | Pima | 7 hr |
| Sep 29, 4:17 PM MST | Flash Flood Warning | TWC | Cochise | 5 hr |
| Sep 29, 4:23 PM MST | Flash Flood Warning | TWC | Cochise | 5 hr |
| Sep 29, 4:25 PM MST | Areal Flood Warning | TWC | Cochise | 3 hr |
| Sep 29, 4:27 PM MST | Areal Flood Warning | TWC | Pima | 6 hr |
Nearby
Flash Flood Warnings in Arizona, 2026Every flash flood 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.