Alert archive / California / Frost Advisories in 2017

Frost Advisory 15, NWS Los Angeles, CA

November 18, 2017Santa Barbara County, California

NWS Los Angeles, CA issued this frost advisory at Nov 18, 2017, 12:42 PM PST for Santa Barbara County, California. It took effect at Nov 19, 2017, 12:00 AM PST. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Nov 18, 2017, 12:42 PM PST (20:42 UTC)
In effect from
Nov 19, 2017, 12:00 AM PST
Expired
Nov 19, 2017, 9:00 AM PST
In force
9 hr
Issued by
NWS Los Angeles, CA

County Santa Barbara County, CA

The radar

The Vandenberg AFB radar (KVBX), 47 km from the middle of the area, began a volume at 20:39 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 Nov 18, 10:13 AM PST, 2 hours 29 minutes earlier.

Area forecast discussion, Nov 18, 10:13 AM PST, 2 hours 29 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Nov 17, 8:30 PM PSTWind AdvisoryLOXLos Angeles16 hr
Nov 18, 12:42 PM PSTFreeze WarningLOX20 hr
Nov 18, 12:42 PM PSTHard Freeze WarningLOX20 hr

Nearby

Frost Advisories in California, 2017Every 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; radar from the NEXRAD Level II archive.