Alert archive / California / Heat Advisories in 2014

Heat Advisory 1, NWS San Francisco Bay Area, CA

May 12, 201411 counties in California

NWS San Francisco Bay Area, CA issued this heat advisory at May 12, 2014, 12:02 PM PDT for 11 counties in California. It took effect at May 13, 2014, 1:00 PM PDT. It was in force for 31 hr.

The area

The counties it named.

The facts

Issued
May 12, 2014, 12:02 PM PDT (19:02 UTC)
In effect from
May 13, 2014, 1:00 PM PDT
Expired
May 14, 2014, 8:00 PM PDT
In force
31 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 19:07 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.

IssuedProductOfficeCountiesLasted
May 11, 9:07 PM PDTSmall Craft AdvisoryMTR6 hr
May 12, 5:08 AM PDTBeach Hazards StatementMTRMarin, Monterey, City and County of San Francisco, San Mateo, Santa Cruz, Sonoma4 days

Nearby

Heat Advisories in California, 2014Every heat advisory in 2014

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.