Winter Weather in Southern Coos, New Hampshire

Winter Weather February 19, 2022 · Southern Coos, New Hampshire

What the National Weather Service wrote

Snow squalls crossed the White Mountains between 400 pm and 500 pm. The Mount Washington Regional Airport observed a visibility of 1/4 mile and a wind gust of 20 knots at 417 pm, and the Berlin Regional Airport observed a visibility of 1/4 mile and a wind gust of 25 knots at 452 pm.

The wider storm

On the 19th a low pressure north of the Great Lakes tracked through the St. Lawrence River Valley. Aloft a low amplitude shortwave trough went from positively to negatively tilted as it crossed the Northeast, helping to drive a cold front through the region. The temperatures at 850 hPa fell from -10 degrees Celsius to -16 degrees Celsius by the morning of the 20th. Along the leading edge of arctic air snow showers and snow squalls crossed northern New England in the afternoon and early evening.

Source: NOAA Storm Events Database, event 1009421. Narratives are written by the National Weather Service forecast office that issued the report.

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