Alert archive / California / Frost Advisories in 2017

Frost Advisory 9, NWS Los Angeles, CA

December 21, 2017

NWS Los Angeles, CA issued this frost advisory at Dec 21, 2017, 1:51 PM PST. It took effect at Dec 22, 2017, 12:00 AM PST. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued: Dec 21, 2017, 1:51 PM PST (21:51 UTC)
In effect from: Dec 22, 2017, 12:00 AM PST
Expired: Dec 22, 2017, 9:00 AM PST
In force: 9 hr
Issued by: NWS Los Angeles, CA

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 20, 1:56 PM PST, 23 hours 55 minutes earlier.

Area forecast discussion, Dec 20, 1:56 PM PST, 23 hours 55 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 20, 7:48 PM PST	Hard Freeze Watch	LOX	Santa Barbara	18 hr
Dec 21, 1:51 PM PST	Freeze Warning	LOX		19 hr
Dec 21, 1:51 PM PST	Hard Freeze Warning	LOX	Santa Barbara	19 hr
Dec 21, 2:07 PM PST	Small Craft Advisory	LOX		7 hr

Nearby

Frost Advisories in California, 2017 Every frost advisory in 2017

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.