Large and powerful low pressure system in the Central U.S.

Large and powerful low pressure system in the Central U.S.

A large and powerful low pressure system will develop and intensify across the Central U.S. on Thursday, January 14, 2021. The two main hazards will be heavy snow and high winds. Winter storm and blizzard warnings are in effect for portions of the Upper Midwest and high wind warnings extend from Montana and the Dakotas to the central Plains.

This low pressure system is expected to remain stationary over the region through Friday, January 15 before continuing on into the Great Lakes and Northeast on Saturday, NWS forecaster Kebede said.

Strong winds are expected to continue to be an issue on the backside of this system over the Northern/Central Plains through Friday morning.

High Wind Warnings are in effect for much of the Northern/Central Plains as a result.

Image credit: NOAA/GOES-East, RAMMB/CIRA. Acquired at 17:50 UTC on January 14, 2021

Between 100 and 200 mm (4 - 8 inches) of snow are likely to fall over much of Iowa, Minnesota and parts of Wisconsin through Friday. Isolated amounts of over 200 mm (8 inches) can't be ruled out.

Some light freezing rain may also occur along the Upper Mississippi Valley. Winter Storm Watches and Advisories are in effect for this area.

This system will slide into the Northeast on Saturday and produce snowfall over the interior Northeast and rain for the coastal areas.

Upslope enhancement could mean that parts of the Northern/Central Appalachians could see measurable snow on Saturday.

Featured image: NOAA/GOES-East, RAMMB/CIRA. Acquired at 17:50 UTC on January 14, 2021

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