Alert archive / Oregon / Frost Advisories in 2007

Frost Advisory 14, NWS Medford, OR

September 20, 2007Klamath County, Lake County, Oregon; Modoc County, Siskiyou County, California

NWS Medford, OR issued this frost advisory at Sep 20, 2007, 3:30 AM PDT for Klamath County, Lake County, Oregon; Modoc County, Siskiyou County, California. It took effect at Sep 21, 2007, 2:00 AM PDT. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued
Sep 20, 2007, 3:30 AM PDT (10:30 UTC)
In effect from
Sep 21, 2007, 2:00 AM PDT
Expired
Sep 21, 2007, 9:00 AM PDT
In force
7 hr
Issued by
NWS Medford, OR

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

The radar

The Medford radar (KMAX), 115 km from the middle of the area, began a volume at 10:28 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 20, 3:42 PM PDTHard Freeze WarningMFRKlamath, Lake16 hr

Nearby

Frost Advisories in Oregon, 2007Frost Advisories in California, 2007Every frost advisory in 2007

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.