Thunderstorms in northeast Montana created significant rainfall especially in Richland County. Areas of large hail and strong winds occurred as well.

Hail in MCCONE, MONTANA
From 23-AUG-09 20:44:00 to 23-AUG-09 20:44:00 (MST-7)
Location: BROCKWAY
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A few hailstones were quarter-size. Heavy rain also accompanied the storm.

Hail in DAWSON, MONTANA
From 23-AUG-09 19:10:00 to 23-AUG-09 19:10:00 (MST-7)
Location: LINDSAY
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in DANIELS, MONTANA
From 23-AUG-09 20:37:00 to 23-AUG-09 20:37:00 (MST-7)
Location: SCOBEY
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Dime and Nickel size hail with heavy rain.

Hail in MCCONE, MONTANA
From 23-AUG-09 21:25:00 to 23-AUG-09 21:25:00 (MST-7)
Location: CIRCLE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Heavy rain also was reported.

Hail in RICHLAND, MONTANA
From 23-AUG-09 22:18:00 to 23-AUG-09 22:18:00 (MST-7)
Location: SIDNEY
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Storm Chaser

Hail in RICHLAND, MONTANA
From 23-AUG-09 20:45:00 to 23-AUG-09 20:45:00 (MST-7)
Location: SIDNEY
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Heavy Rain in DANIELS, MONTANA
From 23-AUG-09 20:55:00 to 23-AUG-09 20:55:00 (MST-7)
Location: SCOBEY
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Rainfall of 1.5 inches accompanied hail with this thunderstorm.

Heavy Rain in RICHLAND, MONTANA
From 23-AUG-09 20:45:00 to 23-AUG-09 20:45:00 (MST-7)
Location: SIDNEY
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Measured four inches of rainfall with this storm.

Hail in MCCONE, MONTANA
From 23-AUG-09 19:10:00 to 23-AUG-09 19:10:00 (MST-7)
Location: CIRCLE
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Five minutes of hail with up to golfball-size. Strong winds also accompanied the storm.

Thunderstorm Wind in DANIELS, MONTANA
From 23-AUG-09 20:55:00 to 23-AUG-09 20:55:00 (MST-7)
Location: SCOBEY
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Pea size hail with estimated 50 to 60 mph wind gust, moving deck furniture.

Thunderstorm Wind in RICHLAND, MONTANA
From 23-AUG-09 21:55:00 to 23-AUG-09 21:55:00 (MST-7)
Location: SIDNEY
Magnitude: 52.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Thunderstorm wind gust came from a storm to the northwest of the Sidney Airport.

Heavy Rain in RICHLAND, MONTANA
From 23-AUG-09 20:45:00 to 23-AUG-09 23:05:00 (MST-7)
Location: SIDNEY
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Total rainfall of 3.08 inches, 2.72 fell through midnight.  Water flowed over local roadway, washing some gravel off, but no damage was reported.

Heavy Rain in DANIELS, MONTANA
From 23-AUG-09 22:05:00 to 23-AUG-09 22:05:00 (MST-7)
Location: PEERLESS
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Some fields had some wash outs in them.