Alert archive / Montana / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 84, NWS Billings, MT

August 17, 2015Carter County, Powder River County, Montana

NWS Billings, MT issued this severe thunderstorm warning at Aug 17, 2015, 2:50 PM MDT for Carter County, Powder River County, Montana. It was in force for 55 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Aug 17, 2015, 2:50 PM MDT (20:50 UTC)
Expired: Aug 17, 2015, 3:45 PM MDT
In force: 55 min
Issued by: NWS Billings, MT
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Carter County, MT, Powder River County, MT

The radar

The Rapid City radar (KUDX), 231 km from the middle of the area, began a volume at 20:51 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Aug 17, 2:47 PM MDT	Severe Thunderstorm Watch	SPC	7 hr

The office that day

Everything else NWS Billings, MT issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 17, 2:21 PM MDT	Special Weather Statement	BYZ	Sweet Grass	39 min
Aug 17, 2:25 PM MDT	Special Weather Statement	BYZ	Powder River	35 min
Aug 17, 3:44 PM MDT	Special Weather Statement	BYZ	Carbon	61 min
Aug 17, 3:50 PM MDT	Special Weather Statement	BYZ	Carter	55 min
Aug 17, 5:18 PM MDT	Special Weather Statement	BYZ	Carter	42 min
Aug 17, 5:21 PM MDT	Special Weather Statement	BYZ	Sheridan	54 min

Nearby

Severe Thunderstorm Warnings in Montana, 2015 Every severe thunderstorm warning in 2015

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.