Significant and Catastrophic Flooding in the Pacific Northwest; Very Cold Temperatures in the Northern Plains

The atmospheric river over the Pacific Northwest will begin to subside today, but lingering rainfall will exacerbate ongoing catastrophic major river flooding, and landslides will continue across portions of western Washington and northwest Oregon for several days. Arctic air will plummet southward into the Northern Plains today, bringing cold air in the single digits to the region by Friday. Read More >

Overview

A mixture of freezing rain and sleet developed during the early to mid-morning hours of March 4th, 2015. Sleet accumulations were quite significant across portions of southern Missouri and ranged from one-quarter to near one-half of an inch. A few locations in far south-central Missouri had sleet accumulations near three-quarters of an inch. Freezing rain accumulations were light and generally amounted to just a light glaze.

The mixed precipitation then changed to snow from northwest to southeast across the region from mid-morning through early afternoon. The snow became heavy at times across south-central Missouri during the afternoon and early evening hours. Snow accumulations ranged from 4 to 7 inches in far south central Missouri with a report of 8 inches at Koshkonong in Oregon County. Accumulations were lighter farther northwest ranging from 1 to 3 inches along and south of the I-44 corridor to just a dusting from southeastern Kansas into central Missouri.