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Flooding Risks from Tropical Moisture Across the Southeast and Southwest

Tropical moisture from Isaias and Rachel will impact portions of the Southeast and Southwest this weekend. Flash flooding, strong winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, strong winds and dry fuels are raising fire weather concerns across the central Great Basin and western High Plains. Across the northern Rockies, first winter storm of the season. Read More >


What is the probability of a white Christmas? Using 1981-2010 data from long-running weather stations, the historical probability is shown on the map. This year, the probability of a white Christmas (at least an inch of snow on the ground Christmas morning) is almost certain in Michigan. However, a big snowmelt could begin later on Christmas Day and continue into part of Monday.

More information & interactive map.

                                                                  

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