Alert archive / Montana / Mesoscale Discussions in 2003

Mesoscale Discussion 1562

June 30, 200317 counties in Montana

The Storm Prediction Center issued this mesoscale discussion at Jun 30, 2003, 2:48 PM MDT for 17 counties in Montana. It was in force for 87 min.

The area

The outline as issued.

The facts

Issued: Jun 30, 2003, 2:48 PM MDT (20:48 UTC)
Expired: Jun 30, 2003, 4:15 PM MDT
In force: 87 min
Issued by: the Storm Prediction Center

Counties Blaine County, MT, Broadwater County, MT, Cascade County, MT, Chouteau County, MT, Fergus County, MT, Gallatin County, MT, Golden Valley County, MT, Judith Basin County, MT, Meagher County, MT, Musselshell County, MT, Park County, MT, Petroleum County, MT, Phillips County, MT, Stillwater County, MT, Sweet Grass County, MT, Wheatland County, MT, Yellowstone County, MT

The radar

The Great Falls radar (KTFX), 121 km from the middle of the area, began a volume at 20:48 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 609Jun 30, 5:35 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
Jun 30, 5:35 PM MDT	Severe Thunderstorm Watch	SPC	Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more	6 hr

Nearby

Mesoscale Discussions in Montana, 2003 Every mesoscale discussion in 2003

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.