Thunderstorms produced large hail, damaging winds, flash flooding, and one reported tornado in northwest Iowa during the late afternoon of September 30th.

Hail in PLYMOUTH, IOWA
From 30-SEP-07 16:10:00 to 30-SEP-07 16:10:00 (CST-6)
Location: BRUNSVILLE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm Wind in PLYMOUTH, IOWA
From 30-SEP-07 16:10:00 to 30-SEP-07 16:10:00 (CST-6)
Location: BRUNSVILLE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm winds caused tree damage, including several limbs blown down.

Hail in WOODBURY, IOWA
From 30-SEP-07 16:20:00 to 30-SEP-07 16:20:00 (CST-6)
Location: ANTHON
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Flash Flood in PLYMOUTH, IOWA
From 30-SEP-07 16:30:00 to 30-SEP-07 17:30:00 (CST-6)
Location: BRUNSVILLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Over 3 inches of rain caused flooding of streets.

Hail in PLYMOUTH, IOWA
From 30-SEP-07 16:30:00 to 30-SEP-07 16:30:00 (CST-6)
Location: CRAIG
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Large hail covered the ground.

Hail in IDA, IOWA
From 30-SEP-07 16:43:00 to 30-SEP-07 16:43:00 (CST-6)
Location: HOLSTEIN
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in IDA, IOWA
From 30-SEP-07 16:43:00 to 30-SEP-07 16:43:00 (CST-6)
Location: HOLSTEIN
Magnitude: 2.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in IDA, IOWA
From 30-SEP-07 16:45:00 to 30-SEP-07 16:45:00 (CST-6)
Location: HOLSTEIN
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in CHEROKEE, IOWA
From 30-SEP-07 16:50:00 to 30-SEP-07 16:50:00 (CST-6)
Location: QUIMBY
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm Wind in PLYMOUTH, IOWA
From 30-SEP-07 17:08:00 to 30-SEP-07 17:08:00 (CST-6)
Location: OYENS
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in SIOUX, IOWA
From 30-SEP-07 15:20:00 to 30-SEP-07 15:20:00 (CST-6)
Location: ROCK VLY
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Large hail was accompanied by very heavy rain.

Hail in SIOUX, IOWA
From 30-SEP-07 15:24:00 to 30-SEP-07 15:24:00 (CST-6)
Location: ROCK VLY
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Tornado in SIOUX, IOWA
From 30-SEP-07 15:27:00 to 30-SEP-07 15:27:00 (CST-6)
Location: ROCK VLY
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Storm Chaser

A brief tornado caused no reported damage.

Hail in SIOUX, IOWA
From 30-SEP-07 15:30:00 to 30-SEP-07 15:30:00 (CST-6)
Location: ROCK VLY
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in PLYMOUTH, IOWA
From 30-SEP-07 15:44:00 to 30-SEP-07 15:44:00 (CST-6)
Location: AKRON
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in WOODBURY, IOWA
From 30-SEP-07 15:45:00 to 30-SEP-07 15:45:00 (CST-6)
Location: SALIX
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Large hail was accompanied by estimated 50 mph wind gusts.

Thunderstorm Wind in SIOUX, IOWA
From 30-SEP-07 15:50:00 to 30-SEP-07 15:50:00 (CST-6)
Location: SIOUX CENTER
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in PLYMOUTH, IOWA
From 30-SEP-07 16:05:00 to 30-SEP-07 16:05:00 (CST-6)
Location: AKRON
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Large hail covered the ground and stripped trees bare.

Thunderstorm Wind in WOODBURY, IOWA
From 30-SEP-07 16:05:00 to 30-SEP-07 16:05:00 (CST-6)
Location: ANTHON
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

Thunderstorm winds blew a car off a road.

Hail in WOODBURY, IOWA
From 30-SEP-07 16:05:00 to 30-SEP-07 16:05:00 (CST-6)
Location: ANTHON
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

Thunderstorm Wind in BUENA VISTA, IOWA
From 30-SEP-07 17:25:00 to 30-SEP-07 17:25:00 (CST-6)
Location: ALTA
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in IDA, IOWA
From 30-SEP-07 16:49:00 to 30-SEP-07 16:49:00 (CST-6)
Location: HOLSTEIN
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter