Alert archive / California / Frost Advisories in 2018

Frost Advisory 9, NWS Los Angeles, CA

February 27, 2018Los Angeles County, California

NWS Los Angeles, CA issued this frost advisory at Feb 27, 2018, 11:00 PM PST for Los Angeles County, California. It took effect at Feb 28, 2018, 1:00 AM PST. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued: Feb 27, 2018, 11:00 PM PST (07:00 UTC)
In effect from: Feb 28, 2018, 1:00 AM PST
Expired: Feb 28, 2018, 9:00 AM PST
In force: 8 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 06:54 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 Feb 27, 10:24 PM PST, 36 minutes earlier.

Area forecast discussion, Feb 27, 10:24 PM PST, 36 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
Feb 27, 11:00 PM PST	Freeze Warning	LOX	Los Angeles	10 hr
Feb 28, 2:31 PM PST	Gale Warning	LOX		30 hr
Feb 28, 2:45 PM PST	Flash Flood Watch	LOX		48 hr
Feb 28, 3:01 PM PST	Winter Storm Watch	LOX		12 hr

Nearby

Frost Advisories in California, 2018 Every frost advisory in 2018

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.