Overview
An upper level wave brought overachieving snowfall amounts to southern portions of Southeast Michigan Sunday afternoon and overnight into Monday morning. This convective snow event impacted Ann Arbor and up through most of metro Detroit, along with southern Oakland County where 3 to 6 inches fell. The bulk of the snow occurred Sunday afternoon into the evening where peak intensities likely reached two inches per hour. The snow intensified along the nose of a 130 kt mid-level jet and the lead edge of a mid-level positive potential vorticity feature. Satellite apperance also suggested that a gravity wave was highly influential. This type of event is always a challenge to forecast where exact snowfall amounts will fall given that certain factors have to come into play at the same time.
Snowfall Totals
Radar
Radar loop from 10:30 AM Sunday through 6 AM Monday (Loop courtesy of Iowa Environmental Mesonet) |
Storm Reports
Public Information Statement...Storm Totals National Weather Service Detroit/Pontiac MI 903 AM EST Mon Feb 18 2019 STORM TOTAL SNOW REPORTS Location Snowfall Duration (Inches) (Hours) Lat Lon ...Genesee County... 4 N Burton M 3.1 24 43.05N 83.62W Flint M 3.1 18 43.02N 83.69W ...Lenawee County... 2 WNW Tipton M 3.1 24 42.03N 84.10W ...Livingston County... 1 NE Howell E 3.6 14 42.62N 83.92W Pinckney M 4.2 15 42.45N 83.95W ...Macomb County... 4 NNW Richmond M 3.8 24 42.86N 82.78W Warren M 3.8 17 42.49N 83.03W Sterling Heights M 4.0 12 42.58N 83.03W 2 E Utica M 5.0 24 42.63N 82.98W Shelby Township M 6.8 17 42.67N 83.03W ...Midland County... Oil City M 1.5 24 43.61N 84.59W ...Monroe County... Dundee M 1.2 24 41.96N 83.66W ...Oakland County... Troy M 3.8 17 42.58N 83.14W Lake Orion M 4.2 24 42.78N 83.24W 4 E White Lake M 4.6 18 42.65N 83.43W Troy M 4.7 17 42.58N 83.14W 2 NNE Wixom M 5.4 13 42.55N 83.52W Farmington M 5.6 24 42.46N 83.38W Berkley M 6.2 16.5 42.50N 83.19W ...Saginaw County... Chesaning M 1.7 24 43.18N 84.12W ...Sanilac County... Lexington M 2.0 24 43.27N 82.53W ...Shiawassee County... Owosso M 3.0 24 43.00N 84.18W ...Washtenaw County... 4 SW Saline M 3.0 24 42.13N 83.84W Manchester M 5.0 24 42.15N 84.04W Ann Arbor M 6.5 24 42.28N 83.73W ...Wayne County... Romulus M 2.1 18 42.22N 83.37W Garden City M 4.0 13 42.33N 83.33W Northville M 5.5 10 42.44N 83.49W M = Measured E = Estimated
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