Alert archive / California / Heat Advisories in 2025
Heat Advisory 5, NWS Eureka, CA
NWS Eureka, CA issued this heat advisory at Aug 10, 2025, 11:30 AM PDT for Humboldt County, California. It took effect at Aug 11, 2025, 9:00 AM PDT. It was in force for 14 hr.
The area
The counties it named.
The facts
- Issued
- Aug 10, 2025, 11:30 AM PDT (18:30 UTC)
- In effect from
- Aug 11, 2025, 9:00 AM PDT
- Expired
- Aug 11, 2025, 11:00 PM PDT
- In force
- 14 hr
- Issued by
- NWS Eureka, CA
County Humboldt County, CA
The radar
The Eureka (Bunker Hill) radar (KBHX), 39 km from the middle of the area, began a volume at 18:34 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.
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.