A cold front moved through the state during the afternoon of the 6th.  Temperatures warmed into the mid 80s to around 90, with dew points in the mid 70s to low 80s.  The atmosphere became very unstable with CAPE rising to 8000 J/kg by late afternoon.  Downdraft CAPE was around 1200 J/kg, with CAPE in the -10 to -30 C layer of the atmosphere between 800 and 1100 J/kg.  The freezing level was high, around 15,000 feet with a 700 mb temperature around 12 C.  Significant capping was in place.  Precipitable water was between 1.6 and 1.8 inches with an LCL around 1000 meters.  The lifted index fell to -13 C.  There was a significant amount of CAPE in the 0-3 km layer of the atmosphere along the front, between 150 and 175 J/kg.  Shear was quite weak however, with only 25 kts of effective shear available.  The non-severe storm parameter was around 0.5 over northeast Iowa near the cold front.  Eight tornadoes occurred during the evening.  Fortunately, the tornadoes missed cities, though they did do considerable crop damage.  There was little other severe weather reported with the storms.  One inch diameter hail fell in Poweshiek County, while winds gusted to 60 MPH or more in Wapello County.

Tornado in JASPER, IOWA
From 06-JUL-14 19:45:00 to 06-JUL-14 20:03:00 (CST-6)
Location: BAXTER
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 50.00K
Reported by: Trained Spotter

Southeast moving tornado made a wide turn toward the southwest by end of the track.  Stayed in rural agricultural fields.

Tornado in GUTHRIE, IOWA
From 06-JUL-14 19:41:00 to 06-JUL-14 19:42:00 (CST-6)
Location: STUART
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 1.00K
Reported by: Public

Tornado touched down in rural countryside east of Stuart.

Tornado in JASPER, IOWA
From 06-JUL-14 20:15:00 to 06-JUL-14 20:16:00 (CST-6)
Location: KELLOGG
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 1.00K
Reported by: Public

Numerous photos a brief landspout near Kellogg.  Moved just west of south.

Tornado in GRUNDY, IOWA
From 06-JUL-14 19:08:00 to 06-JUL-14 19:09:00 (CST-6)
Location: REINBECK
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Tornado evident in photographs from the public as well as flyover satellite data.  This brief segment started shortly after the Reinbeck tornado ended.  The tornado moved from Grundy into Tama county.  This is the first segment.

Tornado in TAMA, IOWA
From 06-JUL-14 19:09:00 to 06-JUL-14 19:11:00 (CST-6)
Location: LINCOLN
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 1.00K
Reported by: Public

This tornado moved into Tama county from Grundy county.  It remained in agricultural fields doing only crop damage.  This is the second and final segment.

Thunderstorm Wind in WAPELLO, IOWA
From 06-JUL-14 21:45:00 to 06-JUL-14 21:45:00 (CST-6)
Location: DAHLONEGA
Magnitude: 56.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Law enforcement reported a power pole downed by thunderstorm winds.

Hail in POWESHIEK, IOWA
From 06-JUL-14 20:10:00 to 06-JUL-14 20:10:00 (CST-6)
Location: GRINNELL
Magnitude: 1.00 
Property damage: 3.00K
Crop damage: 10.00K
Reported by: Trained Spotter

Tornado in BUTLER, IOWA
From 06-JUL-14 18:00:00 to 06-JUL-14 18:01:00 (CST-6)
Location: ELEANOR
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 1.00K
Reported by: Public

Brief landspout photographed by several members of the public.

Tornado in GRUNDY, IOWA
From 06-JUL-14 18:58:00 to 06-JUL-14 19:07:00 (CST-6)
Location: REINBECK
Tornado F-scale: EF1
Property damage: 200.00K
Crop damage: 50.00K
Reported by: NWS Storm Survey

Tornado touched down with a debris ball noted.  Damage to homes occurred many to the southwest of Reinbeck.  Numerous crops flattened.

Tornado in TAMA, IOWA
From 06-JUL-14 19:12:00 to 06-JUL-14 19:37:00 (CST-6)
Location: BUCKINGHAM
Tornado F-scale: EF1
Property damage: 25.00K
Crop damage: 200.00K
Reported by: NWS Storm Survey

Visually striking tornado moved through rural areas of Tama county. Debris was noted, farmstead was damaged, and numerous crops damaged.  Track was well captured by satellite overflight.

Tornado in HAMILTON, IOWA
From 06-JUL-14 17:03:00 to 06-JUL-14 17:04:00 (CST-6)
Location: JEWELL
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 1.00K
Reported by: Public

Brief landspout near Jewell stayed in rural agricultural fields.