Alert archive / California / Excessive Heat Warnings in 2008

Excessive Heat Warning 3, NWS San Francisco Bay Area, CA

May 15, 2008Santa Clara County, California

NWS San Francisco Bay Area, CA issued this excessive heat warning at May 15, 2008, 3:14 PM PDT for Santa Clara County, California. It took effect at May 16, 2008, 12:00 PM PDT. It was in force for 8 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
May 15, 2008, 3:14 PM PDT (22:14 UTC)
In effect from
May 16, 2008, 12:00 PM PDT
Expired
May 16, 2008, 8:00 PM PDT
In force
8 hr
Issued by
NWS San Francisco Bay Area, CA

County Santa Clara County, CA

The radar

The San Francisco radar (KMUX), 20 km from the middle of the area, began a volume at 22:12 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 15, 10:13 AM PDTWind AdvisoryMTR5 hr
May 15, 3:14 PM PDTHeat AdvisoryMTRAlameda, Contra Costa, Marin, Monterey, Napa, San Benito and 4 more29 hr

Nearby

Excessive Heat Warnings in California, 2008Every excessive heat warning in 2008

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.