Fergus storm history

Strong winds, snow and blowing snow accompanied a cold frontal passage. This created icy road conditions.

Montana mesonet station Coffee Creek N. Although no lightning was observed at the time of the wind, the wind was most certainly driven by instability.

AWOS station K1DM 7 ene Denton (Delta) peak gust.

Montana mesonet station Roy E. Sustained winds of 44 mph at time of report.

Ambient weather station. Sustained winds of 47 mph at the time of observation.

Estimated wind gusts near 60 mph. Apple tree took a hit.

Montana mesonet sensor Forestgrove N.

Roy E hydromet peak gust.

MT Mesonet station Forestgrove N. Peak gust for the sensor.

AWOS station K1NM Novemeber. Peak gust for the sensor.

Weather underground station near Grass Range.

AWOS station K1OM Oscar. Peak gust for the thunderstorm at this sensor.

Spotter estimated hail up to an inch in size.

Report received of a wind shield cracked from falling hail.

Two separate reports of golf ball to 2 inch hail in Buffalo.

Spotter reported hail between 2 to 2.5 inches in diameter. The spotter also noted the hail punched a hole into their deck.

Spotter reported tree limbs up to 8 inches in diameter blown off of their cottonwood tree. Time estimated by radar.

A 64 mph thunderstorm wind gust measured at AWOS station K1NM 5 NE Forestgrove.

A 60 mph wind gust measured at the Forestgrove N MT Mesonet site on Wednesday evening.

Mesonet station MTDEN Denton measured a 58 mph wind gust.

Mesonet station ARMM8 Armells Creek RAWS measured a 70 mph wind gust.

Trees down along the Lewistown Trail System blocking the trail. Time estimated based on radar.

Corrects previous thunderstorm wind dmg report from 1 NW Lewistown. Public reported on social media that an abandoned lumber shop collapsed due to the thunderstorms with photos of debris across the property. Time estimated based on radar.

Mesonet station JPKM8 Judith Peak RAWS measured a 60 mph wind gust. Time of event is estimated.

Trained spotter reports egg to tennis ball size hail. Images were provided.

Time estimated based on radar imagery.

Report from mping.

Hail ranging from pea size to half dollar size fell for about 5 minutes.

Report from mping.

Report originated from spotter network.

Trained spotter reported quarter size hail.

Trained spotter reports golf ball size hail.

Report from social media. Ground was almost completely covered with hailstones ranging from quarter to golf ball size. Time estimated based on radar.

Patrol car traveling along Highway 81 received substantial hail damage. Location and time estimated based on radar.

MT Mesonset station Christina W.

Social media image received showing damage to metal roofing.

Montana DOT sensor East of Denton (MTDEN) gusted to 58 mph.

Ambient sensor Hilltop0 measured a 66 mph gust.

Montana mesonet station Woodhawk (acewinif) measured a 60 mph gust.

Mesonet station JPKM8 Judith Peak RAWS measured a 65 mph wind gust. Time of gust estimated given station reports once per hour.

Montana Mesonet station Forestgrove N (acefores) measured a 59 mph wind gust.

AWOS station K1OM Oscar measured a 68 mph wind gust.

MT DOT sensor Bohemian Corner (MTBOH) measured a 61 mph wind gust.

ASOS station KLWT measured a 62 mph gust associated with a shower and cold front.

MDT sensor MTDEN East of Denton measured a severe gust.

MT DOT sensor MTDEN East of Denton measured a sever caliber gust.

A trained spotter in Lewistown reported a severe caliber gust.

RAWS sensor JPKM8 Judith Peak measured a severe caliber gust. Given RAWS reports once per hour, time of gust was estimated using radar.

AWOS station K1NM November, 5 miles northeast of Forestgrove.