A frontal boundary was draped across Iowa northwest and central Iowa, roughly in a southwest to northeast orientation, providing a focusing mechanism for storms to initiate.  Primarily, bouts of heavy rainfall resulted from storms beginning the evening of the 6th and continuing on through much of the night across northern Iowa.  Greatest rainfall amounts exceeded 5 inches in Pocahontas county, while the majority of rainfall reports fell within the 2 to 4 inch range.

Heavy Rain in CERRO GORDO, IOWA
From 06-SEP-16 16:30:00 to 07-SEP-16 03:30:00 (CST-6)
Location: FREEMAN
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Trained spotter reported heavy rainfall of 3.06 inches of rain since Tuesday evening.  Spring Creek reported to be rising over bank full.

Heavy Rain in HANCOCK, IOWA
From 06-SEP-16 05:00:00 to 07-SEP-16 05:00:00 (CST-6)
Location: BRITT
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

CoCoRaHS observer reported heavy rainfall of 2.34 inches over the last 24 hours.  Most of which came down in the evening and overnight.

Heavy Rain in POCAHONTAS, IOWA
From 06-SEP-16 19:00:00 to 07-SEP-16 05:05:00 (CST-6)
Location: PLOVER
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

Public reported an estimated 5.7 inches of heavy rainfall about 2 miles north of Plover.

Heavy Rain in KOSSUTH, IOWA
From 06-SEP-16 06:00:00 to 07-SEP-16 06:00:00 (CST-6)
Location: ALGONA MUNI ARPT
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Algona AWOS measured 2.98 inches of heavy rainfall over the last 24 hours.

Heavy Rain in CERRO GORDO, IOWA
From 06-SEP-16 06:00:00 to 07-SEP-16 06:00:00 (CST-6)
Location: (MCW)MASON CITY MUNI
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Mason City ASOS measured 2.87 inches of heavy rainfall over the last 24 hours.

Heavy Rain in HANCOCK, IOWA
From 06-SEP-16 06:00:00 to 07-SEP-16 06:00:00 (CST-6)
Location: MILLER
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Forest City AWOS measured 2.08 inches of heavy rainfall over the last 24 hours.

Heavy Rain in CERRO GORDO, IOWA
From 06-SEP-16 06:00:00 to 07-SEP-16 06:00:00 (CST-6)
Location: MASON CITY
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Trained spotter measured 1.98 inches of heavy rainfall over the last 24 hours.

Heavy Rain in CERRO GORDO, IOWA
From 06-SEP-16 06:00:00 to 07-SEP-16 06:00:00 (CST-6)
Location: PORTLAND
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

CoCoRaHS observer reported heavy rainfall of 2.02 inches over the last 24 hours.

Heavy Rain in KOSSUTH, IOWA
From 06-SEP-16 06:00:00 to 07-SEP-16 06:00:00 (CST-6)
Location: ALGONA
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

CoCoRaHS observer reported heavy rainfall of 3.46 inches over the last 24 hours.

Heavy Rain in CERRO GORDO, IOWA
From 06-SEP-16 06:00:00 to 07-SEP-16 06:00:00 (CST-6)
Location: MASON CITY
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Coop observer reported heavy rainfall of 2.68 inches over the last 24 hours.

Heavy Rain in WINNEBAGO, IOWA
From 06-SEP-16 06:00:00 to 07-SEP-16 06:00:00 (CST-6)
Location: FOREST CITY
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Coop observer reported heavy rainfall of 2.70 inches over the last 24 hours.

Heavy Rain in CERRO GORDO, IOWA
From 06-SEP-16 06:00:00 to 07-SEP-16 06:00:00 (CST-6)
Location: CLEAR LAKE JCT
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

CoCoRaHS observer reported heavy rainfall of 2.15 inches over the last 24 hours.

Heavy Rain in CERRO GORDO, IOWA
From 06-SEP-16 17:30:00 to 07-SEP-16 06:00:00 (CST-6)
Location: CLEAR LAKE
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Trained spotter reported heavy rainfall of 2.42 inches storm total since Tuesday night.

Heavy Rain in CERRO GORDO, IOWA
From 06-SEP-16 17:30:00 to 07-SEP-16 06:02:00 (CST-6)
Location: CLEAR LAKE
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

Public reported heavy rainfall of 4.20 inches.

Heavy Rain in HANCOCK, IOWA
From 06-SEP-16 20:00:00 to 07-SEP-16 06:20:00 (CST-6)
Location: GARNER
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

Public reported storm total heavy rainfall of 4.5 inches since Tuesday night.

Heavy Rain in KOSSUTH, IOWA
From 06-SEP-16 17:00:00 to 07-SEP-16 07:00:00 (CST-6)
Location: ALGONA
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

Public reported storm total heavy rainfall of 3.50 inches since Tuesday night.

Flood in KOSSUTH, IOWA
From 07-SEP-16 07:45:00 to 07-SEP-16 07:45:00 (CST-6)
Location: ST BENEDICT
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

Public reported water, a couple inches deep, gradually overflowing from field across 200th Ave, just north of the 200th St and 200th Ave intersection.  Roughly 1 mile north of St. Benedict.

Heavy Rain in POCAHONTAS, IOWA
From 06-SEP-16 07:56:00 to 07-SEP-16 07:56:00 (CST-6)
Location: ROLFE
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Trained spotter reported heavy rainfall of 2.70 inches over the past 24 hours.