Alert archive / California / Frost Advisories in 2013

Frost Advisory 28, NWS Los Angeles, CA

December 5, 2013Los Angeles County, California

NWS Los Angeles, CA issued this frost advisory at Dec 5, 2013, 3:57 AM PST for Los Angeles County, California. It took effect at Dec 6, 2013, 12:00 AM PST. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued: Dec 5, 2013, 3:57 AM PST (11:57 UTC)
In effect from: Dec 6, 2013, 12:00 AM PST
Expired: Dec 6, 2013, 9:00 AM PST
In force: 9 hr
Issued by: NWS Los Angeles, CA

County Los Angeles County, CA

The radar

The Santa Ana Mts radar (KSOX), 71 km from the middle of the area, began a volume at 11:59 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 Los Angeles, CA wrote its last area forecast discussion before this frost advisory went out at Dec 5, 3:15 AM PST, 42 minutes earlier.

Area forecast discussion, Dec 5, 3:15 AM PST, 42 minutes before

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The office that day

Everything else NWS Los Angeles, CA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Dec 5, 1:43 PM PST	Gale Watch	LOX		25 hr
Dec 5, 2:29 PM PST	Winter Weather Advisory	LOX		55 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.