Alert archive / California / Heat Advisories in 2020
Heat Advisory 3, NWS San Francisco Bay Area, CA
NWS San Francisco Bay Area, CA issued this heat advisory at Aug 13, 2020, 1:03 PM PDT for 11 counties in California. It took effect at Aug 14, 2020, 11:00 AM PDT. It was in force for 10 hr.
The area
The counties it named.
The facts
- Issued
- Aug 13, 2020, 1:03 PM PDT (20:03 UTC)
- In effect from
- Aug 14, 2020, 11:00 AM PDT
- Expired
- Aug 14, 2020, 9:00 PM PDT
- In force
- 10 hr
- Issued by
- NWS San Francisco Bay Area, CA
Counties Alameda County, CA, City and County of San Francisco, CA, Contra Costa County, CA, Marin County, CA, Monterey County, CA, Napa County, CA, San Benito County, CA, San Mateo County, CA, Santa Clara County, CA, Santa Cruz County, CA, Sonoma County, CA
The radar
The San Francisco radar (KMUX), 46 km from the middle of the area, began a volume at 20:03 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 Francisco Bay Area, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 13, 1:03 PM PDT | Excessive Heat Warning | MTR | Alameda, Contra Costa, Marin, Monterey, Napa, San Benito and 4 more | 6 days |
Nearby
Heat Advisories in California, 2020Every heat advisory in 2020
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.