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Additional Heavy Rains for Texas expanding into the Gulf Coast

Tropical Moisture streaming ahead of major hurricane Willa off the western Mexico coastline is interacting with a frontal boundary in the Gulf Coast. Locally heavy rain is possible in Texas, which could exacerbate ongoing flooding. Rain will shift farther east into the western and central Gulf Coast. 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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