Alert archive / Arizona / Excessive Heat Warnings in 2017

Excessive Heat Warning 4, NWS Phoenix, AZ

July 4, 20175 counties in Arizona; Imperial County, Riverside County, San Bernardino County, California

NWS Phoenix, AZ issued this excessive heat warning at Jul 4, 2017, 2:13 PM MST for 5 counties in Arizona; Imperial County, Riverside County, San Bernardino County, California. It took effect at Jul 5, 2017, 10:00 AM MST. It was in force for 58 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
Jul 4, 2017, 2:13 PM MST (21:13 UTC)
In effect from
Jul 5, 2017, 10:00 AM MST
Expired
Jul 7, 2017, 8:00 PM MST
In force
58 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, San Bernardino County, CA

The radar

The Yuma radar (KYUX), 142 km from the middle of the area, began a volume at 21:16 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.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 4, 2:07 AM MSTExcessive Heat WatchPSRGila, La Paz, Maricopa12 hr

Nearby

Excessive Heat Warnings in Arizona, 2017Excessive Heat Warnings in California, 2017Every excessive heat warning in 2017

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.