Valley storm history

Heavy rainfall in the basin with amounts ranging from 4 to 10 inches over a four day period caused significant flooding in all the streams in the basin, and eventually the rivers. Willow Creek, Antelope Creek, Cherry Creek, Larb Creek, Brazil Creek all flooded during this time fr…

One hundred percent of the businesses and homes in the town were damaged from the combination of large hail and damaging winds. Many vehicles also had significant damage. Damages included roofing, windows, gutters, siding, trees and gardens. See entire episode narrative for full …

Hail up to three inches in size accompanied by winds around 70 mph caused significant damage throughout the city of Glasgow and outlying areas to the west, south and east. See entire episode narrative for full details.

Trained spotter in the town of Richland reported quarter size hail and heavy rain. Hail accumulated to a depth of 5 inches.

The King Coulee RAWS site (KIGM8) recorded a 58 mph wind gust.

Public reported heavy rainfall, wind gusts up to 60 mph, and a power outage.

A trained spotter measured an 80 mph wind gust, heavy rain, and a 12-hour power outage.

An NWS storm survey concluded that straight-line severe thunderstorm wind gusts up to 84 mph caused roof and siding damage to multiple structures. A large camper was flipped on its side.

An NWS employee reported mainly nickel size hail and a few hail stones up to the size of quarters.

Public posted photos on social media, showing mainly quarter size hail, but also included larger hailstones, up to the size of baseballs.

A wind gust of 59 mph was measured at the King Coulee RAWS site (KIGM8).

A wind gust of 62 mph was measured at the King Coulee RAWS site (KIGM8).

A wind gust of 63 mph was measured at the St. Marie MT-24 DOT site.

Hail up to the size of quarters in addition to heavy rain was reported by a trained spotter.

Hail to the size of a quarter fell with strong winds.

Half dollar size hail was observed by staff at NWS Glasgow MT.

ASOS at the Glasgow Airport reported 71 mph wind gust.

Wind gust measured by observation equipment 5 miles north-northeast of Nashua.

Reported by Glasgow SW Montana Climate Office (HydroMet).

Wind gust measured at the ASOS Station, Glasgow Airport, but damage was more widespread. Trees, multiple garbage cans and branches were blown down.

A trained spotter reported a tree limb 6 inches in diameter had broken off a tree. Patio furniture was also blown away. Winds were estimated at 60 mph. Time was estimated by radar.

A COOP Observer measured an 80 mph thunderstorm wind gust. Thunderstorm wind gusts of 70 to 80 mph were measured over a 20 minute period.

Public reported hail up to the size of tennis balls. Wind gusts were estimated at 60 mph. Damage to pick-ups was also reported.

Public reported hail up to the size of quarters. Hail accumulated up to a depth of 6 inches in spots.

Public reported hail up to the size of quarters.

A trained spotter reported hail up to the size of quarters.

A NWS Employee estimated 60 mph thunderstorm wind gusts.

The Glasgow Airport ASOS (KGGW) measured a 71 mph thunderstorm wind gust.

A NWS Employee reported a cottonwood tree down on Skylark Rd. Winds at the nearby Glasgow Airport ASOS had recently gusted to 71 mph.

A trained spotter sent photos showing a pontoon boat blown off a trailer, RV Campers tipped over and a verbal report of a damaged fence.

A trained spotter reported that 4 inch diameter tree limbs were blown down. It was also reported that a frame, of a building under construction, had been knocked down.

Public reported hail up to the size of quarters.

A trained spotter reported hail the size of ping pong balls. Some broken windows were reported.

Public reported flash flooding with water reaching a depth of 2 feet. A homeowner reported water flowing into their basement from this flash flood.

Public reported hail up to the size of ping pong balls. A funnel cloud was also sighted northwest of their location.

Public reported hail up to the size of golf balls.

Public reported hail up to the size of softballs. Significant and widespread crop damage was caused.

Valley and Daniels County dispatch reported many people calling in with reports of funnel clouds in the Baylor area. The funnel clouds were going in and out of the cloud base.

Public reported multiple funnel clouds just northeast of Larslan.

A trained spotter reported a funnel cloud northwest of their location, as well as submitted video and multiple photos.

A trained spotter estimated 60 mph thunderstorm wind gusts.

A CoCoRaHS observer with his Davis westher station equipment measured a 79 mph thunderstorm wind gust.

The public reported an anchored (shallow anchor) and empty 4000 bushel, 30 foot grain bin, was blown over by thunderstorm winds.

A storm chaser reported a brief funnel cloud along Golden Valley Rd. The funnel cloud lasted only a few minutes.

A 62 mph thunderstorm wind gust was measured at the King Coulee mesonet site (KIGM8).

The public reported a thunderstorm wind gust estimated at 60 mph.