Alert archive / Montana / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 86, NWS Great Falls, MT

August 14, 2009Gallatin County, Montana

NWS Great Falls, MT issued this severe thunderstorm warning at Aug 14, 2009, 2:30 PM MDT for Gallatin County, Montana. It was in force for 18 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 14, 2009, 2:30 PM MDT (20:30 UTC)
Expired
Aug 14, 2009, 2:48 PM MDT
In force
18 min
Issued by
NWS Great Falls, MT
Area
Storm-based polygon

County Gallatin County, MT

The radar

The Billings radar (KBLX), 202 km from the middle of the area, began a volume at 20:34 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.

IssuedProductOfficeLasted
Aug 14, 2:01 PM MDTSevere Thunderstorm WatchSPC6 hr

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 13, 6:11 PM MDTSpecial Weather StatementTFXCascade49 min
Aug 13, 7:11 PM MDTSpecial Weather StatementTFXJudith Basin49 min
Aug 14, 12:58 PM MDTSpecial Weather StatementTFXGallatin47 min
Aug 14, 2:09 PM MDTSpecial Weather StatementTFXGallatin51 min
Aug 14, 3:10 PM MDTSpecial Weather StatementTFXCascade50 min
Aug 14, 3:26 PM MDTSpecial Weather StatementTFXFergus64 min
Aug 14, 3:36 PM MDTSpecial Weather StatementTFXGallatin24 min
Aug 14, 3:54 PM MDTSpecial Weather StatementTFXGallatin51 min
Aug 14, 3:59 PM MDTSpecial Weather StatementTFXCascade46 min
Aug 14, 4:43 PM MDTSpecial Weather StatementTFXJudith Basin47 min

Nearby

Severe Thunderstorm Warnings in Montana, 2009Every severe thunderstorm warning 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.