Alert archive / Washington / Freeze Warnings in 2011

Freeze Warning 1, NWS Pendleton, OR

April 17, 2011Morrow County, Umatilla County, Oregon; 4 counties in Washington

NWS Pendleton, OR issued this freeze warning at Apr 17, 2011, 3:28 AM PDT for Morrow County, Umatilla County, Oregon; 4 counties in Washington. It took effect at Apr 17, 2011, 11:00 PM PDT. It was in force for 9 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Apr 17, 2011, 3:28 AM PDT (10:28 UTC)
In effect from: Apr 17, 2011, 11:00 PM PDT
Expired: Apr 18, 2011, 7:34 AM PDT
In force: 9 hr
Issued by: NWS Pendleton, OR

Counties Morrow County, OR, Umatilla County, OR, Benton County, WA, Franklin County, WA, Klickitat County, WA, Walla Walla County, WA

The radar

The Pendleton radar (KPDT), 49 km from the middle of the area, began a volume at 10:29 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 freeze warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Pendleton, OR wrote its last area forecast discussion before this freeze warning went out at Apr 17, 3:20 AM PDT, 8 minutes earlier.

Area forecast discussion, Apr 17, 3:20 AM PDT, 8 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 17, 6:53 AM PDT	River Flood Warning	PDT	Umatilla	14 hr

Nearby

Freeze Warnings in Washington, 2011 Freeze Warnings in Oregon, 2011 Every freeze warning 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.