MID-LATITUDE CYCLONE
February 23-24, 2019

Temperature Time-Lapse

Weather Time-Lapse

Dew Point Time-Lapse

Weather Bomb

The barometric pressure at the St. Clair County Airport (Michigan) went from 30.46 inches on Friday evening to 29.13 inches on Sunday morning. That's a drop of about 45 millibars in 36 hours. It actually dropped 38 millibars from 9:30 a.m. on Saturday to 9:30 a.m. on Sunday.

Convert Inches of Mercury to Millibars

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