Power Outage in Sioux City, IA

Thunderstorm winds downed large branches and powerlines.

Several power poles were leaning after strong thunderstorm winds. Property damage costs are a rough estimate.

Thunderstorm winds caused tree and power line damage.

Thunderstorm winds caused tree and power line damage.

Thunderstorm winds caused widespread tree damage, including several large trees and numerous branches blown down. Some of the tree debris blocked roads and caused minor damage to homes. The winds also blew down power lines, causing a power outage, and blew part of a freight train off its tracks.

Thunderstorm winds caused widespread tree damage, including several trees blown down. The winds also blew down power lines.

Thunderstorm winds caused widespread damage in and near Sioux City. Tree damage included large trees blown down, blocking several roads. A few vehicles were destroyed and numerous vehicles damaged by falling trees and tree debris. Falling trees also damaged several residences and garages, causing one known injury. The winds lifted a three car garage off its foundation, and overturned it onto a nearby pasture. One large tree split an occupied trailer in the middle, missing residents who were sleeping at both ends. Numerous power lines and poles were blown down or broken, leaving an estimated 19,000 customers without power, several thousand of which were still without power 24 hours later. Numerous buildings, especially residences, sustained roof damage, especially to shingles. The winds damaged or blew down several signs, damaged fences, and blew down a large awning that sheltered gasoline pumps at a convenience store. The winds flattened crops near the city, but the amount of crop damage was not known, especially since crops were expected to partially recover.

Thunderstorm winds blew down tree branches and power lines. One house was slightly damaged when the top of a tree was snapped off by the wind and fell onto the roof.

Thunderstorm winds caused widespread tree damage, especially in the northern part of Sioux City. Several trees were blown down, and numerous limbs and smaller tree debris were blown down and littered streets and yards. Power lines were blown down, and resulting power outages affected an estimated 2,500 customers. The roof of a commercial building housing multiple businesses was blown off. Several homes sustained roof damage, and the porch of a home was damaged.

Lightning struck a power pole and blew a transformer, causing a power outage.

Downburst thunderstorm winds caused extensive tree damage in Sioux City. Large trees were uprooted, snapped, and stripped. A few vehicles were completely destroyed by the falling trees. Houses and other buildings, including a nursing home, were also damaged by trees and debris. Many streets were blocked. Power lines and poles were also blown down, resulting in power outages affecting at least forty thousand people. Traffic lights were blown down. Roofs were damaged, including the roof blown off a medical office building, and sheet metal ducting blown off a roof. A 95 foot radio tower was also blown down, damaging a car and small building.

Thunderstorm winds blew down trees and power lines. Some vehicles were damaged by debris.