Alert archive / California / Frost Advisories in 2015

Frost Advisory 31, NWS Medford, OR

September 18, 2015Klamath County, Oregon; Modoc County, Siskiyou County, California

NWS Medford, OR issued this frost advisory at Sep 18, 2015, 2:04 PM PDT for Klamath County, Oregon; Modoc County, Siskiyou County, California. It took effect at Sep 19, 2015, 2:00 AM PDT. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
Sep 18, 2015, 2:04 PM PDT (21:04 UTC)
In effect from
Sep 19, 2015, 2:00 AM PDT
Expired
Sep 19, 2015, 8:00 AM PDT
In force
6 hr
Issued by
NWS Medford, OR

Counties Modoc County, CA, Siskiyou County, CA, Klamath County, OR

The radar

The Medford radar (KMAX), 90 km from the middle of the area, began a volume at 21:07 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.

The office that day

Everything else NWS Medford, OR issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 18, 2:21 AM PDTSmall Craft AdvisoryMFR5 days
Sep 18, 2:03 PM PDTSmall Craft Advisory for Hazardous SeasMFR21 hr

Nearby

Frost Advisories in California, 2015Frost Advisories in Oregon, 2015Every frost advisory in 2015

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.