Alert archive / Montana / Mesoscale Discussions in 2009

Mesoscale Discussion 1671

July 25, 2009Clark County, Custer County, Lemhi County, Idaho; 19 counties in Montana

The Storm Prediction Center issued this mesoscale discussion at Jul 25, 2009, 12:40 PM MDT for Clark County, Custer County, Lemhi County, Idaho; 19 counties in Montana. It was in force for 95 min.

The area

The outline as issued.

The facts

Issued: Jul 25, 2009, 12:40 PM MDT (18:40 UTC)
Expired: Jul 25, 2009, 2:15 PM MDT
In force: 95 min
Issued by: the Storm Prediction Center

All 22 counties

Clark County, ID, Custer County, ID, Lemhi County, ID, Beaverhead County, MT, Broadwater County, MT, Cascade County, MT, Deer Lodge County, MT, Flathead County, MT, Gallatin County, MT, Glacier County, MT, Granite County, MT, Jefferson County, MT, Lake County, MT, Lewis and Clark County, MT, Madison County, MT, Meagher County, MT, Missoula County, MT, Park County, MT, Pondera County, MT, Powell County, MT, Silver Bow County, MT, Teton County, MT

The radar

The Missoula radar (KMSX), 53 km from the middle of the area, began a volume at 18:42 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 Montana, 2009 Mesoscale Discussions in Idaho, 2009 Every mesoscale discussion in 2009

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.