Scattered strong to severe thunderstorms developed on a wind shift boundary over the Nebraska sandhills during the afternoon of August 8th.  With temperatures in the 90s and dew point temperatures in the 70s ahead of the thunderstorms, the extremely unstable conditions allowed the thunderstorms to maintain their intensity as they tracked across northeast Nebraska into west central Iowa during the afternoon and evening of August 8th.

Hail in BOONE, NEBRASKA
From 08-AUG-10 18:35:00 to 08-AUG-10 18:35:00 (CST-6)
Location: PETERSBURG
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in MADISON, NEBRASKA
From 08-AUG-10 19:35:00 to 08-AUG-10 19:35:00 (CST-6)
Location: MADISON
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in MADISON, NEBRASKA
From 08-AUG-10 19:38:00 to 08-AUG-10 19:38:00 (CST-6)
Location: MADISON
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm Wind in PIERCE, NEBRASKA
From 08-AUG-10 17:01:00 to 08-AUG-10 17:01:00 (CST-6)
Location: OSMOND
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Local law enforcement estimated thunderstorm wind gusts around 60 mph.

Thunderstorm Wind in KNOX, NEBRASKA
From 08-AUG-10 16:41:00 to 08-AUG-10 16:41:00 (CST-6)
Location: BLOOMFIELD MUNI ARPT
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

The public estimated thunderstorm winds reached 60 mph which occurred with very heavy rain and near zero visibility.

Thunderstorm Wind in CEDAR, NEBRASKA
From 08-AUG-10 16:15:00 to 08-AUG-10 16:15:00 (CST-6)
Location: ATEN
Magnitude: 60.00 EG
Reported by: Emergency Manager

Thunderstorm wind gusts estimated at around 70 mph downed numerous trees and broke large limbs in the Nebraska Tailwaters campground just southeast of Gavins Point Dam.

Thunderstorm Wind in PIERCE, NEBRASKA
From 08-AUG-10 17:30:00 to 08-AUG-10 17:30:00 (CST-6)
Location: FOSTER
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

The public estimated a thunderstorm wind gust of around 60 mph.

Thunderstorm Wind in CUMING, NEBRASKA
From 08-AUG-10 20:24:00 to 08-AUG-10 20:24:00 (CST-6)
Location: WEST PT
Magnitude: 56.00 EG
Reported by: Broadcast Media

Thunderstorm wind gusts estimated at over 60 mph knocked power lines down causing loss of power to parts of town.

Thunderstorm Wind in BURT, NEBRASKA
From 08-AUG-10 20:56:00 to 08-AUG-10 20:56:00 (CST-6)
Location: TEKAMAH ARPT
Magnitude: 52.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

The Asos at Tekamah measured a thunderstorm wind gust of 60 mph.

Thunderstorm Wind in KNOX, NEBRASKA
From 08-AUG-10 15:20:00 to 08-AUG-10 15:30:00 (CST-6)
Location: VERDIGRE
Magnitude: 55.00 EG
Reported by: Public

Thunderstorm winds estimated at over 60 mph caused tree and other damage from around 16 miles west of Verdigre into Verdigre.  Sixteen KV transmission lines/poles were downed 16 miles west of Verdigre causing loss of power in several surrounding towns for around 3 hours, with trees or large tree limbs downed from that location into Verdigre.

Thunderstorm Wind in THURSTON, NEBRASKA
From 08-AUG-10 19:20:00 to 08-AUG-10 19:20:00 (CST-6)
Location: WALTHILL
Magnitude: 60.00 EG
Reported by: Law Enforcement

Thunderstorm winds estimated at close to 70 mph downed numerous trees which downed power lines in the Walthill area.  At least one tree fell on a car causing substantial damage.

Hail in MADISON, NEBRASKA
From 08-AUG-10 18:57:00 to 08-AUG-10 18:57:00 (CST-6)
Location: NEWMAN GROVE
Magnitude: 1.75 
Reported by: Law Enforcement

A few hail stones reached golf ball-size.