Sioux storm history

Mesonet station in MONTROSE reported 68mph wind gusts between 424 and 524pm. This site only reports every hour.

A DOT sensor reported a 62 mph wind gust 18 miles north-northeast of Harrison.

Mesonet station northeast of Agate Nebraska.

Trained spotter reported quarter sized hail in Sioux County.

RAWS mesonet station Montrose (MTRN1) measured wind gust.

Measured wind gust from sensor along Highway 71 near the South Dakota border.

A trained weather spotter measured a wind gust to 85 MPH 5 miles NE of Morrill.

An estimated wind gust to 80 MPH was reported 5 miles NE of Morrill.

The Montrose RAWS sensor recorded a wind gust to 75 MPH.

RAWS mesonet station Montrose (MTRN1) reported maximum wind gust.

The public reported golf ball sized hail in the town of Harrison.

The public reported golf ball sized hail 21 miles WNW of Fort Robinson. Received via mPING.

Tennis ball sized hail was reported by a Storm Chaser in the town of Harrison.

The public reported ping-pong ball sized hail 11 miles WNW of Marsland. Received via mPING.

Received photo of ground covered in ping pong to golf ball size hail.

Received report via mPING.

Report for golf ball sized hail 11 miles north northwest of Fort Robinson.

Large tree branch greater than 6 inches broke and fell on house due to thunderstorm wind. Time estimated via radar.

Trained spotter estimated 60 mph wind gust.

A trained weather spotter located 22 miles NNE of Harrison reported estimated wind gusts of greater than 60 MPH. A South Dakota State University sensor near Ardmore, SD, just north of the NE/SD state line also recorded a wind gust to 63 MPH.

A trained weather spotter reported quarter sized hail at his location approximately 10 miles northwest of Agate Fossil Beds National Monument.

Golf ball sized hail was reported by a trained weather spotter located 11 miles SE of Harrison.

Very large hail reported approximately 10 miles southwest of Agate. Largest stones measured at 4.3 inches in diameter.

Received report on Facebook.

Montrose sensor measured the reported wind gust.

Brief gustnado was observed and captured on video. No damage reported and winds are estimated.

Observer estimated reported winds and noted that residence's dog house was blown away. Thunderstorm dropped pea size hail and precipitation accumulation of 0.10 inches.

Winds measured by observation station MTRN1 at Montrose.