Alert archive / California / Frost Advisories in 2009

Frost Advisory 5, NWS San Francisco Bay Area, CA

November 15, 20097 counties in California

NWS San Francisco Bay Area, CA issued this frost advisory at Nov 15, 2009, 3:42 AM PST for 7 counties in California. It took effect at Nov 16, 2009, 3:00 AM PST. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued
Nov 15, 2009, 3:42 AM PST (11:42 UTC)
In effect from
Nov 16, 2009, 3:00 AM PST
Expired
Nov 16, 2009, 8:02 AM PST
In force
5 hr
Issued by
NWS San Francisco Bay Area, CA

Counties Alameda County, CA, Contra Costa County, CA, Marin County, CA, Monterey County, CA, Napa County, CA, San Benito County, CA, Sonoma County, CA

The radar

The San Francisco radar (KMUX), 56 km from the middle of the area, began a volume at 11:41 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

Frost Advisories in California, 2009Every frost advisory in 2009

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.