Alert archive / California / Frost Advisories in 2013

Frost Advisory 5, NWS San Francisco Bay Area, CA

January 13, 2013City and County of San Francisco, California

NWS San Francisco Bay Area, CA issued this frost advisory at Jan 13, 2013, 10:12 AM PST for City and County of San Francisco, California. It took effect at Jan 14, 2013, 2:00 AM PST. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued: Jan 13, 2013, 10:12 AM PST (18:12 UTC)
In effect from: Jan 14, 2013, 2:00 AM PST
Expired: Jan 14, 2013, 4:02 AM PST
In force: 2 hr
Issued by: NWS San Francisco Bay Area, CA

County City and County of San Francisco, CA

The radar

The San Francisco radar (KMUX), 84 km from the middle of the area, began a volume at 18:09 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.

What forecasters said that day

The local office's own words before this frost advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS San Francisco Bay Area, CA wrote its last area forecast discussion before this frost advisory went out at Jan 12, 3:34 PM PST, 18 hours 38 minutes earlier.

Area forecast discussion, Jan 12, 3:34 PM PST, 18 hours 38 minutes before

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Hazardous weather outlook, Jan 12, 2:47 PM PST, 19 hours 25 minutes before

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        The site you requested is temporarily down for maintenance or an unexpected outage.
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The office that day

Everything else NWS San Francisco Bay Area, CA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jan 13, 10:12 AM PST	Freeze Warning	MTR	Alameda, Contra Costa, Marin, Monterey, Napa, San Benito and 4 more	23 hr

Nearby

Frost Advisories in California, 2013 Every frost advisory in 2013

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.