Alert archive / Arizona / Flash Flood Warnings in 2026

Flash Flood Warning 60, NWS Phoenix, AZ

September 1, 2026La Paz County, Yuma County, Arizona; Imperial County, California

NWS Phoenix, AZ issued this flash flood warning at Sep 1, 2026, 7:07 PM MST for La Paz County, Yuma County, Arizona; Imperial County, California. It was in force for 3 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 1, 2026, 7:07 PM MST (02:07 UTC)
Expired
Sep 1, 2026, 10:00 PM MST
In force
3 hr
Issued by
NWS Phoenix, AZ
Area
Storm-based polygon
Damage threat
Considerable
Flood severity
None

Counties La Paz County, AZ, Yuma County, AZ, Imperial County, CA

The radar

The Yuma radar (KYUX), 79 km from the middle of the area, began a volume at 02:06 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 Phoenix, AZ issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 1, 5:30 PM MSTSpecial Weather StatementPSR45 min
Sep 1, 5:37 PM MSTSevere Thunderstorm WarningPSRLa Paz, Yuma38 min
Sep 1, 5:41 PM MSTDust Storm AdvisoryPSRYuma49 min
Sep 1, 6:20 PM MSTAreal Flood AdvisoryPSRImperial47 min

Nearby

Flash Flood Warnings in Arizona, 2026Flash Flood Warnings in California, 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.