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Storm Impacting the Northwest U.S.; Fire Weather Conditions in Southern California; Severe Weather in the South

A Pacific storm is bringing areas of low elevation rain, moderate to heavy mountain snow, and high winds to the Northwest. Strong Santa Ana winds and very dry conditions are producing elevated to critical fire weather conditions in southern California. Isolated strong to severe thunderstorms are possible through early Wednesday morning across parts of northeast Texas into western Tennessee. Read More >

Overview

A compact strong upper wave moved east from northeast Nebraska into northern Iowa the night of April 17-18, bringing rain, sleet and snow across the area. As the system approached the region, rain and a mix of precipitation started to fall along the Missouri River into northwest Iowa shortly after midnight. Rain quickly changed to moderate snow (heavy at times) along and west of the I-29 corridor, while northwest Iowa were reporting thunder sleet and thunder snow early in the morning hours. Precipitation quickly changed to widespread snow after 4 am Wednesday, with snowfall rates of 1 to 2 inches per hour. Snowfall amounts range from 2 to 10 inches. Highest snow accumulations occurred from the Interstate 90 corridor and southward.

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