Ice Storm in Matanuska Valley, Alaska

Ice Storm November 13, 2019 – November 14, 2019 · Matanuska Valley, Alaska

What the National Weather Service wrote

An NWS Employee in Big Lake reported 0.25 of ice accumulation.

The wider storm

A 965 mb low pressure system in the Gulf of Alaska brought warm air aloft over Southcentral. Meanwhile, a 1025 mb high pressure system over the Arctic Ocean held cold air in place at the surface. The large pressure difference between these two system also caused windy conditions around Southcentral. Precipitation in areas that had warm air aloft fell as rain, while areas that remained below freezing in the upper levels received snow. This contributed to blizzard conditions in some areas as well.

Source: NOAA Storm Events Database, event 861918. Narratives are written by the National Weather Service forecast office that issued the report.

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