Alert archive / Montana / Mesoscale Discussions in 2007

Mesoscale Discussion 768

May 10, 20074 states

The Storm Prediction Center issued this mesoscale discussion at May 10, 2007, 12:30 PM MDT for 4 states. It was in force for 3 hr.

The area

The outline as issued.

The facts

Issued: May 10, 2007, 12:30 PM MDT (18:30 UTC)
Expired: May 10, 2007, 3:00 PM MDT
In force: 3 hr
Issued by: the Storm Prediction Center

All 39 counties

Adams County, ID, Boise County, ID, Butte County, ID, Canyon County, ID, Clark County, ID, Custer County, ID, Fremont County, ID, Gem County, ID, Idaho County, ID, Jefferson County, ID, Lemhi County, ID, Madison County, ID, Payette County, ID, Teton County, ID, Valley County, ID, Washington County, ID, Beaverhead County, MT, Broadwater County, MT, Carbon County, MT, Deer Lodge County, MT, Fergus County, MT, Gallatin County, MT, Golden Valley County, MT, Granite County, MT, Jefferson County, MT, Judith Basin County, MT, Madison County, MT, Meagher County, MT, Musselshell County, MT, Park County, MT, Ravalli County, MT, Silver Bow County, MT, Stillwater County, MT, Sweet Grass County, MT, Wheatland County, MT, Yellowstone County, MT, Baker County, OR, Park County, WY, Teton County, WY

The radar

The Missoula radar (KMSX), 214 km from the middle of the area, began a volume at 18:32 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 watches that followed

Watches SPC issued over any of the same counties within four hours of this discussion.

Severe Thunderstorm Watch 265May 10, 2:15 PM MDT

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
May 10, 2:16 PM MDT	Severe Thunderstorm Watch	SPC	Adams, Idaho, Lemhi, Valley, Washington	7 hr
May 10, 4:59 PM MDT	Mesoscale Discussion	SPC	Adams, Clearwater, Idaho, Lemhi, Lewis, Valley and 1 more	2 hr
May 10, 3:59 PM MDT	Mesoscale Discussion	SPC	Big Horn, Custer, Powder River, Rosebud, Treasure	2 hr

Nearby

Mesoscale Discussions in Montana, 2007 Mesoscale Discussions in Idaho, 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.