State hydrologist warns local councils of possible flooding in Cache Valley

Rivers and streams are swelling as temperatures get warmer, but Brian McInerney, hydrologist at the National Oceanographic and Atmospheric Administration in Salt Lake City (also known as the National Weather Service), says a cold spell that is expected to move into the area soon will possibly prevent a flooding situation.

McInerney addressed both the Logan Municipal Council and the Cache County Council on Tuesday, noting that there is potential for flooding in the Logan area, not so much along the Blacksmith Fork or Little Bear, but the Logan River is still a worry.

“See if you have a week to 10 days of above average temperatures, kind of a heat wave kind of thing, and then see if you have thunderstorms in between there,” McInerney explained. “If you do, then you could see that 25% chance of the Little Bear flooding and then the Logan.

“If it all comes together at once, the worst case scenario is the heat and wide-spread aerial flooding, long duration rain fall with thunderstorms embedded. That’s the worst.”

He said 10 days of heat and sun, along with thunderstorms, can present a flood situation in some areas. McInerney is feeling good about cooler temperatures that are forecast for the next several days, but an extended period of warm temperatures could be problematic.

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