The season's first strong synoptic weather system moved through the central U.S. on the 13th into the 14th.  The storm developed over the southern U.S. and moved from Oklahoma on the 13th into Illinois on the morning of the 14th.  The system brought heavy rainfall to the east half of Iowa.  Rainfall caused stream rises, but no major flooding occurred.  Though moisture was drawn into the state, Iowa was clearly in the deformation zone of the storms  The low level jet increased to around 40 kts, resulting in precipitable water values of nearly two standard deviation units above normal in the 1 to 1.25 inch range.  Widespread rainfall amounts of one to two inches occurred over the east half of Iowa with a narrow band of 2 to 4 inch rainfall from south central into parts of east central Iowa.  The heaviest rainfall was southeast of Pella in Marion County with 4.28 inches recorded.  The heavy rain caused minor flooding along the mainstem Des Moines River at Eddyville and Ottumwa.  The river crested one to one and one half feet over flood stage.

Heavy Rain in MARION, IOWA
From 14-OCT-14 06:00:00 to 14-OCT-14 06:00:00 (CST-6)
Location: KNOXVILLE
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Heavy rain duration was 24 hours with 3.20 inches reported.

Heavy Rain in MAHASKA, IOWA
From 14-OCT-14 07:00:00 to 14-OCT-14 07:00:00 (CST-6)
Location: OSKALOOSA
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Heavy rain duration was 24 hours with 3.74 inches reported.

Heavy Rain in MARION, IOWA
From 14-OCT-14 07:00:00 to 14-OCT-14 07:00:00 (CST-6)
Location: PELLA MUNI ARPT
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Heavy rain duration was 24 hours with 4.28 inches reported.

Heavy Rain in POWESHIEK, IOWA
From 14-OCT-14 07:00:00 to 14-OCT-14 07:00:00 (CST-6)
Location: GRINNELL
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Heavy rain duration was 24 hours with 3.30 inches reported.

Heavy Rain in MARION, IOWA
From 14-OCT-14 07:31:00 to 14-OCT-14 07:31:00 (CST-6)
Location: COLUMBIA
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Heavy rain duration was 24 hours with 3.60 inches reported.

Heavy Rain in JASPER, IOWA
From 14-OCT-14 05:00:00 to 14-OCT-14 05:00:00 (CST-6)
Location: NEWTON
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Heavy rain duration was 24 hours with at total of 3.35 inches.

Heavy Rain in GREENE, IOWA
From 13-OCT-14 20:05:00 to 13-OCT-14 20:05:00 (CST-6)
Location: JEFFERSON
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Rainfall today through 800 PM CST was 1.23 inches.

Heavy Rain in JASPER, IOWA
From 13-OCT-14 21:03:00 to 13-OCT-14 21:03:00 (CST-6)
Location: NEWTON
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported 1.70 inches of rainfall in the past 24 hours.

Flood in WAPELLO, IOWA
From 14-OCT-14 12:30:00 to 14-OCT-14 23:20:00 (CST-6)
Location: ELDON
Flood cause: Heavy Rain
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Flood in WAPELLO, IOWA
From 14-OCT-14 04:00:00 to 14-OCT-14 21:15:00 (CST-6)
Location: CHILLICOTHE
Flood cause: Heavy Rain
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Official NWS Observations