A line of nocturnal storms blossomed across western and southwest Iowa, remaining relatively stationary for a couple hours before slowly moving eastward through the morning hours. Some redevelopment occurred to the north, before sliding southward and weakening into the afternoon.  In all, heavy rain was the primary result with locations in excess of 4 inches and even a 7 inch report in far southern Iowa. A pair of thunderstorm wind damage reports were associated with more organized linear storm development in west central/northwest Iowa during the morning hours.

Heavy Rain in ADAIR, IOWA
From 01-AUG-16 02:30:00 to 01-AUG-16 06:00:00 (CST-6)
Location: ADAIR
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Coop observer measured 2.60 inches of rainfall over last 24 hours, most of which came since 3:30 am.

Heavy Rain in ADAIR, IOWA
From 01-AUG-16 02:30:00 to 01-AUG-16 06:00:00 (CST-6)
Location: GREENFIELD
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Greenfield LARC measured 2.10 inches of rainfall over last 24 hours. Most of which came after 3:30am.

Heavy Rain in RINGGOLD, IOWA
From 01-AUG-16 01:45:00 to 01-AUG-16 06:00:00 (CST-6)
Location: MT AYR
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Coop observer measured heavy rainfall of 4.25 inches over last 24 hours, most of which since 2:45am.

Heavy Rain in TAYLOR, IOWA
From 01-AUG-16 00:45:00 to 01-AUG-16 06:00:00 (CST-6)
Location: BLOCKTON
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Coop observer measured heavy rainfall of 2.82 inches over last 24 hours, most of which came since 1:45am.

Heavy Rain in UNION, IOWA
From 01-AUG-16 02:30:00 to 01-AUG-16 06:09:00 (CST-6)
Location: AFTON
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Home weather station accumulation since 3:30am.

Heavy Rain in UNION, IOWA
From 01-AUG-16 02:15:00 to 01-AUG-16 06:10:00 (CST-6)
Location: CRESTON
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Home weather station accumulation measured since about 3:15am.

Heavy Rain in CLARKE, IOWA
From 01-AUG-16 02:30:00 to 01-AUG-16 08:45:00 (CST-6)
Location: MURRAY
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Trained spotter reported heavy rainfall of 2.6 inches storm total.

Heavy Rain in UNION, IOWA
From 01-AUG-16 02:15:00 to 01-AUG-16 07:30:00 (CST-6)
Location: CRESTON
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

CoCoRaHS observer reported heavy rainfall of 4.25 inches since about 3:15am.

Heavy Rain in RINGGOLD, IOWA
From 01-AUG-16 02:00:00 to 01-AUG-16 08:53:00 (CST-6)
Location: KELLERTON
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Public reported heavy rainfall of 4.1 inches storm total.

Heavy Rain in RINGGOLD, IOWA
From 01-AUG-16 02:30:00 to 01-AUG-16 09:25:00 (CST-6)
Location: KNOWLTON
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Emergency manager received report of heavy rainfall of 4.4 inches storm total. Exact end time of report unknown.

Heavy Rain in RINGGOLD, IOWA
From 01-AUG-16 01:30:00 to 01-AUG-16 09:25:00 (CST-6)
Location: DELPHOS
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Emergency manager received report of heavy rainfall of 5.3 inches storm total. Exact end time of report unknown.

Heavy Rain in RINGGOLD, IOWA
From 01-AUG-16 01:30:00 to 01-AUG-16 09:25:00 (CST-6)
Location: MT AYR
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Emergency manager received report of heavy rainfall of 4.5 inches storm total. Exact end time of report unknown.

Heavy Rain in TAYLOR, IOWA
From 01-AUG-16 01:15:00 to 01-AUG-16 09:15:00 (CST-6)
Location: CLEARFIELD
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Emergency manager received report of heavy rainfall of 3.50 inches storm total. Exact end time of report unknown.

Heavy Rain in RINGGOLD, IOWA
From 01-AUG-16 01:00:00 to 01-AUG-16 09:25:00 (CST-6)
Location: REDDING
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Emergency manager received report of heavy rainfall of 7 inches storm total. Exact end time of report unknown.

Heavy Rain in RINGGOLD, IOWA
From 01-AUG-16 01:30:00 to 01-AUG-16 09:25:00 (CST-6)
Location: BENTON
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Emergency manager received report of heavy rainfall of 5.6 inches storm total. Exact end time of report unknown.

Heavy Rain in RINGGOLD, IOWA
From 01-AUG-16 02:15:00 to 01-AUG-16 09:25:00 (CST-6)
Location: ELLSTON
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Emergency manager received report of heavy rainfall of 3.00 inches storm total. Exact end time of report unknown.

Heavy Rain in AUDUBON, IOWA
From 01-AUG-16 05:00:00 to 02-AUG-16 05:00:00 (CST-6)
Location: AUDUBON
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Coop observer recorded heavy rainfall of 2.10 inches over the last 24 hours, primarily falling on the first.

Heavy Rain in RINGGOLD, IOWA
From 01-AUG-16 01:15:00 to 01-AUG-16 09:25:00 (CST-6)
Location: MALOY
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Emergency manager received report of heavy rainfall of 4.6 inches storm total. Exact end time of report unknown.

Heavy Rain in GUTHRIE, IOWA
From 01-AUG-16 02:45:00 to 01-AUG-16 09:42:00 (CST-6)
Location: CASEY
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

KCCI relayed a viewer measured heavy rainfall amount of 4.66 inches.

Heavy Rain in ADAIR, IOWA
From 01-AUG-16 02:30:00 to 01-AUG-16 13:20:00 (CST-6)
Location: GREENFIELD
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

WHO relayed viewer measured heavy rainfall of 5.20 inches.

Heavy Rain in RINGGOLD, IOWA
From 01-AUG-16 02:15:00 to 01-AUG-16 14:38:00 (CST-6)
Location: KELLERTON
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Trained spotter reported heavy rainfall of 4.50 inches storm total.

Heavy Rain in CLARKE, IOWA
From 01-AUG-16 03:30:00 to 01-AUG-16 15:40:00 (CST-6)
Location: MURRAY
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Trained spotter reported heavy rainfall of 2.91 inches with rain beginning approximately at 430 am.

Heavy Rain in ADAIR, IOWA
From 01-AUG-16 05:31:00 to 02-AUG-16 05:31:00 (CST-6)
Location: GREENFIELD
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Coop observer recorded heavy rainfall of 2.50 inches over last 24 hours, primarily falling on the first.

Thunderstorm Wind in SAC, IOWA
From 01-AUG-16 06:20:00 to 01-AUG-16 06:20:00 (CST-6)
Location: SCHALLER
Magnitude: 56.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Social Media

Public reported several trees up to one foot in diameter down near Schaller. Time and location estimated from radar and reported via social media.

Thunderstorm Wind in SAC, IOWA
From 01-AUG-16 06:27:00 to 01-AUG-16 06:27:00 (CST-6)
Location: LAKE VIEW
Magnitude: 56.00 EG
Property damage: 30.00K
Crop damage: 0.00K
Reported by: Social Media

Public reported numerous trees with diameter upwards of one foot down around Lake view. Tree reported downed onto truck. Time and location estimated from radar.

Flash Flood in RINGGOLD, IOWA
From 01-AUG-16 06:30:00 to 01-AUG-16 08:30:00 (CST-6)
Location: MT AYR
Flood cause: Heavy Rain
Property damage: 5.00K
Crop damage: 0.00K
Reported by: COOP Observer

Coop observer reported widespread water covering roadways throughout Mount Ayr. Water over roadways was upwards of 6+ inches deep.  Time and locations estimated.