Alert archive / California / High Surf Advisories in 2009

High Surf Advisory 4, NWS San Francisco Bay Area, CA

October 21, 20096 counties in California

NWS San Francisco Bay Area, CA issued this high surf advisory at Oct 21, 2009, 1:20 PM PDT for 6 counties in California. It took effect at Oct 22, 2009, 5:00 AM PDT. It was in force for 18 hr.

The area

The counties it named.

The facts

Issued
Oct 21, 2009, 1:20 PM PDT (20:20 UTC)
In effect from
Oct 22, 2009, 5:00 AM PDT
Expired
Oct 22, 2009, 11:00 PM PDT
In force
18 hr
Issued by
NWS San Francisco Bay Area, CA

Counties City and County of San Francisco, CA, Marin County, CA, Monterey County, CA, San Mateo County, CA, Santa Cruz County, CA, Sonoma County, CA

The radar

The San Francisco radar (KMUX), 53 km from the middle of the area, began a volume at 20:23 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
Oct 21, 2:50 AM PDTSmall Craft Advisory for Rough BarMTR60 hr

Nearby

High Surf Advisories in California, 2009Every high surf 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.