Gallatin storm history

Gallatin National Forest Avalanche Center reports a snowmobiler was caught in a natural avalanche near the Lionhead Recreation area. Individual was carried into trees by the avalanche.

KBZK-TV in Bozeman reported that the MT Highway Patrol reported a fatal crash on I-90 near mile marker 280, just east of Three Forks. Roadways were slick.

An avalanche occurred in the Portal Creek area just south of Bozeman, MT. One snowmobile fatality was reported.

An estimated wind gust to 60 mph blew a worker off the roof of the Federal Building in downtown Bozeman resulting in his death (direct fatality).

A thunderstorm dropped 1 inch diameter hail at Bozeman.

ASOS station KBZN Bozeman Yellowstone Airport measured a 59 mph wind gust.

ASOS station KBZN Bozeman Yellowstone Airport measured a 59 mph wind gust.

Corrects previous thunderstorm wind dmg report from 2 NW Bozeman. Trained spotter reports 4 inch diameter tree limb broken with leaves and debris on roadway in the vicinity of East Baxter Lane and North 19th Avenue in Bozeman. Time of event is estimated.

ASOS station KBZN Bozeman Yellowstone Airport measured a 62 mph wind gust.

ASOS station KBZN Bozeman Yellowstone Airport measured a 60 mph wind gust.

ASOS station KBZN Bozeman Yellowstone Airport measured a 66 mph wind gust.

Mesonet station MTBZH Bozeman Pass measured a 59 mph wind gust.

ASOS station KBZN Bozeman Yellowstone Airport measured a 62 kt gust. Blowing dust was also reported.

Trained spotter reports damage to tree limbs.

Public report of trees and power lines down across roads in far southern Bozeman. Time and location was estimated.

ASOS station KBZN Bozeman Yellowstone Airport measured a severe gust.

An Ambient weather sensor in Bozeman measured a severe caliber gust.

The DOT sensor at Bozeman Pass MTBZH measured a severe caliber gust.

Public report of quarter sized hail 2 ENE of Manhattan. Wheat fields were damaged by the hail. Time and location was estimated.

Trained spotter reported 1 inch diameter hail.

Social media post, which included a photo, from the Cooper Park area in Bozeman showed 1 inch diameter hail.

Trained spotter reports a few 1 inch hail stone mixed in with primarily one-half to three-quarters of an inch hail stones.

Public report of 1 inch hail from MPing.

Mostly dime sized hail was observed, with a few quarter sized hail stones mixed in. Hail was beginning to accumulate at the time of the report.

The public estimated quarter sized hail in central Bozeman.

A weak shower moved over Bozeman overnight on the 5th, which resulted in a heat burst in town. A personal weather device on Sourdough Ridge Rd (Ambient Wx station) measured a gust in excess of 60 mph, with temperatures nearby rising by nearly 10 degrees over 10 minutes overnight.…

Measured via Ambient Weather site.

Measured via Ambient Weather site.

Prolonged severe convective wind event recorded at KBZN ASOS. Severe wind gusts lasted for nearly 20 minutes.

Two sensors along Triple Tree Road, and located about 1/4 mile apart from each other, recorded gusts of 65 mph.

Peak gust measured by Ambient Weather site.

Mesonet station MTBZH Bozeman Pass measured a severe caliber wind gust.

Several reports of hail ranging from dime size to golf ball. Hail accumulated on MT Highway 86, resulting in some impacts to drivers.

Spotter northwest of Wilsall reported golf ball size hail and estimated wind gusts of 70 mph.

Numerous reports of 60 mph wind gusts from Ambient Weather Station just east of the city of Bozeman.

Measured by mesonet station MTBZH (Bozeman Pass).

Broadcast media relayed photos of a funnel cloud near Logan.

Funnel cloud reported near Belgrade Softball Complex. Time and location estimated.

Social media video and photos submitted of hail along the Gallatin River. Hail lasted several minutes. Minor defoliation of vegetation noted in video audio. Time of event estimated from radar.

Spotter reported golfball size hail.

Churchill area saw pretty good runoff occur. Several locations around Amsterdam (Camp and Godfrey Creeks) had water up against houses. The Highline Canal near Gallatin Gateway overtopped in several locations due to runoff. One house and Axtell Anceny Road were affected. Residents…

Asos kbzn Bozeman Yellowstone Airport.

Ambient weather station measured 59 mph wind gust 3 miles ENE of Gallatin Gateway.

Ambient weather station measured 68 mph wind gust near Sourdough Ridge.

Ambient weather station measured 64 mph wind gust near Hyalite Foothills.

ASOS Station (KBZN) Bozeman Yellowstone Airport measured a 58 mph wind gust.

Trained spotter reported 59 mph wind gust Sunday evening 1 mile WNW of Belgrade.

Ambient weather station measured the gust.

Gust measured an Ambient weather station.