Alert archive / Oregon / Mesoscale Discussions in 2011

Mesoscale Discussion 228

March 15, 201114 counties in Oregon; 7 counties in Washington

The Storm Prediction Center issued this mesoscale discussion at Mar 15, 2011, 1:00 PM PDT for 14 counties in Oregon; 7 counties in Washington. It was in force for 60 min.

The area

The outline as issued.

The facts

Issued: Mar 15, 2011, 1:00 PM PDT (20:00 UTC)
Expired: Mar 15, 2011, 2:00 PM PDT
In force: 60 min
Issued by: the Storm Prediction Center

All 21 counties

Benton County, OR, Clackamas County, OR, Clatsop County, OR, Columbia County, OR, Hood River County, OR, Lincoln County, OR, Linn County, OR, Marion County, OR, Multnomah County, OR, Polk County, OR, Tillamook County, OR, Wasco County, OR, Washington County, OR, Yamhill County, OR, Clark County, WA, Cowlitz County, WA, Lewis County, WA, Pacific County, WA, Skamania County, WA, Thurston County, WA, Wahkiakum County, WA

The radar

The Portland,OR radar (KRTX), 6 km from the middle of the area, began a volume at 20:02 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 text

As transmitted, in the capitals the NWS used until 2016.

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Nearby

Mesoscale Discussions in Oregon, 2011 Mesoscale Discussions in Washington, 2011 Every mesoscale discussion 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.