ice jam

ice jam

[′īs ‚jam]
(hydrology)
An accumulation of broken river ice caught in a narrow channel, frequently producing local floods during a spring breakup.
Fields of lake or sea ice thawed loose from the shores in early spring, and blown against the shore, sometimes exerting great pressure.
References in periodicals archive ?
An ice jam occurs when a rise in the water level or a thaw breaks the ice into large chunks, which become jammed at man-made and natural obstructions and can result in severe flooding.
Early in the project, Demientieff, who also frequently travels by boat on the Tanana River in the summer, speculated that an ice jam at breakup a few years before had redirected the Tanana River's main channel and influenced ice conditions the next winter downriver at Chena Bluff, where a sizable hole emerged.
UNION - A one-mile stretch of Highway 203 reopened Wednesday after it was closed Tuesday night because of flooding caused by an ice jam at Catherine Creek.
In May 2013, a stubborn ice jam on the Yukon River sent floodwater spilling over its banks into the small Alaskan town of Galena.
Responders said most residents of Galena were evacuated after a 30-mile (48-kilometer) ice jam on the Yukon River caused rapid flooding in the community of almost 500.
The first detailed account of Missouri River flooding occurred in 1881 when an ice jam break flooded northeastern Nebraska.
The flow was halted over the falls on March 30, 1848, due to an ice jam in the upper river.
The flow was also halted over the falls on March 30, 1848 due to an ice jam in the upper river.
An ice jam blocking the Niagara River made the famous waterfall stop flowing for 30 hours on March 28, 1848.
The Chippewa River, which used to ice over and provide an ice jam spectacle each spring, has n't frozen solid for years.
22 review of the preceding reports that were delivered in 1998, 2004 and 2005, states unequivocally: "The Kashechewan First Nation is not adequately protected against ice jam flooding with the dyke in its present condition.