Alert archive / Idaho / Mesoscale Discussions in 2012

Mesoscale Discussion 1524

July 20, 20127 counties in Idaho; 6 counties in Montana; 7 counties in Washington

The Storm Prediction Center issued this mesoscale discussion at Jul 20, 2012, 5:21 PM PDT for 7 counties in Idaho; 6 counties in Montana; 7 counties in Washington. It was in force for 84 min.

The area

The outline as issued.

The facts

Issued: Jul 20, 2012, 5:21 PM PDT (00:21 UTC)
Expired: Jul 20, 2012, 6:45 PM PDT
In force: 84 min
Issued by: the Storm Prediction Center

Counties Benewah County, ID, Bonner County, ID, Boundary County, ID, Clearwater County, ID, Idaho County, ID, Kootenai County, ID, Shoshone County, ID, Flathead County, MT, Lake County, MT, Lincoln County, MT, Mineral County, MT, Missoula County, MT, Sanders County, MT, Douglas County, WA, Ferry County, WA, Lincoln County, WA, Okanogan County, WA, Pend Oreille County, WA, Spokane County, WA, Stevens County, WA

The radar

The Spokane radar (KOTX), 84 km from the middle of the area, began a volume at 00:21 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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SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 21, 3:25 PM PDT	Mesoscale Discussion	SPC	Carter, Custer, Daniels, Dawson, Fallon, Garfield and 6 more	65 min
Jul 21, 3:41 PM PDT	Severe Thunderstorm Watch	SPC	Carter, Custer, Daniels, Dawson, Fallon, McCone and 5 more	7 hr

Nearby

Mesoscale Discussions in Idaho, 2012 Mesoscale Discussions in Washington, 2012 Mesoscale Discussions in Montana, 2012 Every mesoscale discussion in 2012

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.