Alert archive / Oregon / Frost Advisories in 2011

Frost Advisory 12, NWS Medford, OR

April 21, 20115 counties in Oregon

NWS Medford, OR issued this frost advisory at Apr 21, 2011, 1:40 PM PDT for 5 counties in Oregon. It took effect at Apr 22, 2011, 2:00 AM PDT. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
Apr 21, 2011, 1:40 PM PDT (20:40 UTC)
In effect from
Apr 22, 2011, 2:00 AM PDT
Expired
Apr 22, 2011, 8:00 AM PDT
In force
6 hr
Issued by
NWS Medford, OR

Counties Coos County, OR, Curry County, OR, Douglas County, OR, Jackson County, OR, Josephine County, OR

The radar

The Medford radar (KMAX), 101 km from the middle of the area, began a volume at 20:37 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
Apr 20, 8:01 PM PDTFreeze WatchMFRCoos, Curry, Douglas, Jackson, Josephine13 hr
Apr 21, 9:28 AM PDTFreeze WarningMFRCoos, Curry, Douglas, Jackson, Josephine23 hr
Apr 21, 8:03 AM PDTRiver Flood WatchMFRModoc25 hr

Nearby

Frost Advisories in Oregon, 2011Every frost advisory in 2011

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.