Teton storm history

Ambient Weather Station.

Montana mesonet station Augusta North.

Ambient Weather Station NE of Augusta.

Awos station K1HM 6 nne Fairfield (Hotel).

MT mesonet station Fairfield.

Estimated wind gusts near 60 mph with a thunderstorm on Wednesday evening. Time of event is estimated.

A 67 mph thunderstorm wind gust measured on Wednesday evening at Augusta N Hydromet MT Mesonet site.

A 59 mph thunderstorm wind gust measured on Wednesday evening at Bynum W MT Mesonet site.

AWOS station K1HM 6 NNE Fairfield measured a 61 mph wind gust.

Mesonet station RICMT Rice Ridge measured a 50 kt gust.

The public reported gusts estimated to be 60 mph east of I-15. Debris was lofted in the air.

COOP observer reports quarter sized hail fell for about ten minutes.

The public reported several instances of damage on their farm, mainly due to strong wind gusts. The report included mention of roof and siding damage, in addition to barn door damage, a blown over auger, and a blown over 250 gallon container. Visibility was around 10 ft at the pe…

Trained spotter reports branches blown off of an ash tree.

Ambient Weather site measured a sustained mind of 58mph with a peak gust of 66 mph.

Measured via military AWOS station K1FM Foxtrot.

Measured via site RICMT near Rice Ridge.

Measured via station MTPND near Pendroy.

Measured via military AWOS station K1HM located six miles north/northeast of Fairfield.

Peak gust measured by COOP observer.

Measured gust reported by spotter. Also reported the wind was strong enough to move heavy furniture across the yard.

COOP Observer reported a prolonged period of a mix of dime and quarter size hail.

The Helena-Lewis and Clark National Forest submitted a video showing South Fork Teton Road experiencing washouts and debris flows.

A non impactful funnel cloud was visible from several miles away, including the NWS office.

Mesonet near Greenfield Irrigation reported 51 knot wind gust.

Mesonet station AW Hotel reported 53 knot wind gust.

A 60 mph gust was reported between 3 and 4 PM.

A 65 mph gust was reported between 4 and 5 PM.

Large amounts of quarter sized hail on Hwy 220 4 miles outside of Choteau.

Additional reports of pea sized hail.

A 59 mph gust was recorded by an Ambient weather sensor.

Funnel cloud reported with non-severe warned storm directly over Choteau. Funnel cloud came down half of the way.

Report from MPING of ping pong ball sized hail (1.5 inch).

Report from MPING of golf ball sized hail (1.75 inch).

Trained spotter reported golf ball sized hail increasing to baseball sized hail.

Public report of 1 inch half. Time and location estimated.

Trained spotter report of 1 inch hail bouncing several feet off the ground 6 miles ESE of Bynum.

Trained spotter reported half inch to three-quarters inch hail, some slightly larger 6 miles NNW of Choteau.

Report from MPING for 1.5 inch hail 1 mile ENE of Choteau.

Public report from MPING for 1.75 inch hail.

Trained spotter reported 1.01 inches of total rainfall today, with 0.74 inches falling in 1 hour.

Social media report.

Social media report.

Mesonet station ricmt Rice Ridge observed a 50kt gust.

Awos station k1jm juliett observed a peak wind gust of 67 knots.

The Choteau Ancantha Newspaper posted images of large healthy tree limbs and power lines taken down by thunderstorm winds. Power outages were also reported.

KCII Choteau Airport measured a 51 kt (59 mph) thunderstorm wind gust.

Flooding with debris on roadways near 4th Avenue SW and 1st St, with additional flooding at 7th Avenue NW and Division St. Both areas had impassable roads. Up to 1.82 inches of rain were reported with the thunderstorms. Pictures provided by Choteau Acantha Newspaper.