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The Mountain West News Bureau is a collaboration between Wyoming Public Media, Boise State Public Radio in Idaho, KUNR in Nevada, the O'Connor Center for the Rocky Mountain West in Montana, KUNC in Colorado, KUNM in New Mexico, with support from affiliate stations across the region. Funding for the Mountain West News Bureau is provided in part by the Corporation for Public Broadcasting.

Cold Winter + Warm Spring Equals Ice Jams And Flooding

The Climate Prediction Center forecasts a warmer spring than usual in the Mountain West.

This past winter has also been a warm one, though February was particularly cold with lots of precipitation.

"We had a very heavy snow building event during February, which has left us with a great deal of snow water equivalent in the mountains and an increase in flood potential," said Steve King, a northwest service coordinator hydrologist with the National Oceanic and Atmospheric Administration (NOAA).

Jim Fahey, a Wyoming National Oceanic and Atmospheric Administration (NOAA) hydrologist, explained this could increase flooding and ice jams in the region.

"If there's a colder than average winter, you get run off on top of the rivers and there's still ice that will accelerate the ice melt on the rivers and then you will have problems when the ice moves to obstructions like bridges and sharp curves in the rivers," Fahey said.

Flooding potential will be felt in South Central Idaho, Western Colorado and Northeastern Wyoming. In the past couple of weeks, roads and bridges have already closed due to flooding in those regions. That includes a section of I-90 on the border of Wyoming and Montana.

This story was produced by the Mountain West News Bureau, a collaboration between Wyoming Public Media, Boise State Public Radio in Idaho, KUER in Salt Lake City and KRCC and KUNC in Colorado.

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