Alert archive / Arizona / Red Flag Warnings in 2010

Red Flag Warning 7, NWS Phoenix, AZ

May 22, 20105 counties in Arizona; Imperial County, Riverside County, California

NWS Phoenix, AZ issued this red flag warning at May 22, 2010, 5:19 AM MST for 5 counties in Arizona; Imperial County, Riverside County, California. It took effect at May 23, 2010, 1:00 PM MST. It was in force for 7 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
May 22, 2010, 5:19 AM MST (12:19 UTC)
In effect from
May 23, 2010, 1:00 PM MST
Expired
May 23, 2010, 8:00 PM MST
In force
7 hr
Issued by
NWS Phoenix, AZ

Counties Gila County, AZ, La Paz County, AZ, Maricopa County, AZ, Pinal County, AZ, Yuma County, AZ, Imperial County, CA, Riverside County, CA

The radar

The Yuma radar (KYUX), 149 km from the middle of the area, began a volume at 12:16 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 red flag warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Phoenix, AZ wrote its last area forecast discussion before this red flag warning went out at May 22, 4:25 AM MST, 54 minutes earlier.

Area forecast discussion, May 22, 4:25 AM MST, 54 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
May 22, 4:07 AM MSTWind AdvisoryPSR40 hr
May 22, 5:19 AM MSTRed Flag WarningPSRGila, La Paz, Maricopa, Pinal, Yuma14 hr

Nearby

Red Flag Warnings in Arizona, 2010Red Flag Warnings in California, 2010Every red flag warning in 2010

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.