Alert archive / California / Excessive Heat Warnings in 2023

Excessive Heat Warning 2, NWS San Diego, CA

July 8, 20234 counties in California

NWS San Diego, CA issued this excessive heat warning at Jul 8, 2023, 2:21 PM PDT for 4 counties in California. It took effect at Jul 11, 2023, 10:00 AM PDT. It was in force for 12 days. 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 8, 2023, 2:21 PM PDT (21:21 UTC)
In effect from
Jul 11, 2023, 10:00 AM PDT
Expired
Jul 23, 2023, 8:00 PM PDT
In force
12 days
Issued by
NWS San Diego, CA

Counties Orange County, CA, Riverside County, CA, San Bernardino County, CA, San Diego County, CA

The radar

The Santa Ana Mts radar (KSOX), 88 km from the middle of the area, began a volume at 21:20 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 San Diego, CA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 8, 2:21 PM PDTHeat AdvisorySGXRiverside, San Bernardino4 days

Nearby

Excessive Heat Warnings in California, 2023Every excessive heat warning in 2023

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.