Alert archive / Montana / Mesoscale Discussions in 2007

Mesoscale Discussion 618

April 29, 20079 counties in Montana; Sheridan County, Wyoming

The Storm Prediction Center issued this mesoscale discussion at Apr 29, 2007, 5:19 PM MDT for 9 counties in Montana; Sheridan County, Wyoming. It was in force for 86 min.

The area

The outline as issued.

The facts

Issued: Apr 29, 2007, 5:19 PM MDT (23:19 UTC)
Expired: Apr 29, 2007, 6:45 PM MDT
In force: 86 min
Issued by: the Storm Prediction Center

Counties Big Horn County, MT, Custer County, MT, Golden Valley County, MT, Musselshell County, MT, Petroleum County, MT, Powder River County, MT, Rosebud County, MT, Treasure County, MT, Yellowstone County, MT, Sheridan County, WY

The radar

The Billings radar (KBLX), 102 km from the middle of the area, began a volume at 23:19 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, 2007 Mesoscale Discussions in Wyoming, 2007 Every mesoscale discussion in 2007

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.