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Winter Storm in Daviess, Missouri

Winter Storm December 29, 2020 – December 30, 2020 · Daviess, Missouri

What the National Weather Service wrote

During the day on December 29, a potent winter storm moved into the area. The precipitation started as primarily snow during the morning hours producing a couple inches of accumulation, but switched to freezing rain just before 1 pm as warm air aloft moved over the area. Moderate, to at times heavy rain ensued through the rest of the morning and early to middle afternoon hours, before eventually moving out by the evening hours. The main impact from this storm was several power outages around the area. Due to the rain rates, not all of the nearly 1 inch of liquid precipitation accreted on surfaces, but a quarter to half inch did accrete, causing a significant disruption to the power, and closing numerous roads.

The wider storm

A strong system ejected eastward into the central part of the country just after Christmas. Precipitation started out as snow, but as warm air aloft moved in it switched over to liquid rain, freezing on contact with all sub-freezing surfaces at ground level. The worst of the freezing rain formed generally along the HWY 36 corridor, producing numerous power outages and causing several vehicle accidents. One such accident in Macon county proved fatal as a car slid off an icy road and killed one of its occupants.

Source: NOAA Storm Events Database, event 932192. Narratives are written by the National Weather Service forecast office that issued the report.

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