Mesoscale Discussion 637

Issued

May 13, 2013, 1:35 PM PDT (20:35 UTC)

Expired

May 13, 2013, 3:30 PM PDT

In force

115 min

Issued by

the Storm Prediction Center

Chance of a watch

5%

Counties Multnomah County, OR, Clark County, WA, Cowlitz County, WA, King County, WA, Lewis County, WA, Pierce County, WA, Skagit County, WA, Skamania County, WA, Snohomish County, WA, Whatcom County, WA

The Seattle radar (KATX), 142 km from the middle of the area, began a volume at 20:35 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.

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Mesoscale Discussions in Washington, 2013Mesoscale Discussions in Oregon, 2013Every mesoscale discussion in 2013

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.