Alert archive / California / Heat Advisories in 2025
Heat Advisory 4, NWS Eureka, CA
NWS Eureka, CA issued this heat advisory at Aug 7, 2025, 10:09 PM PDT for Del Norte County, Humboldt County, Mendocino County, California. It took effect at Aug 9, 2025, 9:00 AM PDT. It was in force for 13 hr.
The area
The counties it named.
The facts
- Issued
- Aug 7, 2025, 10:09 PM PDT (05:09 UTC)
- In effect from
- Aug 9, 2025, 9:00 AM PDT
- Expired
- Aug 9, 2025, 10:00 PM PDT
- In force
- 13 hr
- Issued by
- NWS Eureka, CA
Counties Del Norte County, CA, Humboldt County, CA, Mendocino County, CA
The radar
The Eureka (Bunker Hill) radar (KBHX), 47 km from the middle of the area, began a volume at 05:10 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 Eureka, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 8, 1:02 PM PDT | Hazardous Seas Warning | EKA | 23 hr |
Nearby
Heat Advisories in California, 2025Every heat advisory in 2025
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.