Overview
On February 17th, 2022, a strong winter system impacted the Great Lakes region, producing widespread rain, freezing rain, sleet, and snow for much of the Midwest and Ohio Valley. An initial round of moderate to heavy rain occurred overnight and into the morning hours of February 17th, with temperatures surging into the upper 40s-low 50s ahead of an advancing warm front. The combination of half an inch to an inch of rain and substantial snowmelt during the warm period resulted in minor urban flooding and minor to moderate river flooding. Precipitation dissipated after sunrise with the southeastward progression of an arctic front, which caused temperatures to drop nearly 10-15 degrees in a two hour period following the frontal passage. With residual moisture on the roadways and rapid drop in temperatures, concerns for a flash freeze prompted a Winter Weather Advisory for the Tri-Cities and Thumb regions while the main snowfall stayed further south. A general break in precipitation ensued between mid-morning and early afternoon, with patchy freezing drizzle and sleet developing mainly south of I-69. This light/patchy period of wintry mix resulted in ice accumulations of a trace to a few hundredths of an inch, before transitioning to all snow between 2 and 5 PM. Snow was heaviest between 5 and 11 PM, with snowfall rates peaking around 1 inch per hour at times within heavier snowbands. A Winter Storm Warning and adjacent Winter Weather Advisories were in effect for this event, which ultimately resulted in 4-6 inches of snowfall along and south of I-69, with locally higher amounts up to 7 inches near metro Detroit. The initial round of wintry mix produced slick conditions for untreated surfaces (i.e. sidewalks and parking lots), while snow covered roads during the evening created hazardous travel conditions for drivers. Additionally, strong northerly winds behind the front produced some areas of blowing snow late Thursday evening until high pressure worked in early Friday morning
Snowfall Totals
For more detailed snow reports, please see the storm reports tab.
Radar
Storm Reports
Below are preliminary storm total snowfall reports from the event.
STORM TOTAL SNOW REPORTS
Location Snowfall Duration
(Inches) (Hours) Lat Lon
...Bay County...
Auburn M 1.0 24 43.60N 84.08W
...Genesee County...
Goodrich M 3.6 24 42.92N 83.51W
Flint M 4.3 11 43.02N 83.69W
4 N Burton M 4.9 24 43.05N 83.62W
Linden M 5.0 24 42.82N 83.78W
...Huron County...
Port Austin M 1.0 24 44.04N 83.00W
1 SSE Harbor Beach M 2.2 24 43.83N 82.65W
...Lapeer County...
5 W Lapeer M 4.5 15 43.05N 83.42W
Lapeer M 4.5 24 43.05N 83.32W
...Lenawee County...
Adrian M 2.2 24 41.90N 84.04W
Morenci M 3.0 24 41.72N 84.22W
...Livingston County...
Howell M 4.9 9 42.61N 83.94W
1 N Whitmore Lake M 5.0 24 42.44N 83.75W
...Macomb County...
Mount Clemens M 3.1 24 42.60N 82.88W
1 SSE Shelby Township M 4.0 24 42.66N 83.03W
Macomb Township E 4.8 17 42.67N 82.92W
4 NNW Richmond M 5.4 24 42.86N 82.78W
Eastpointe M 6.0 10 42.47N 82.96W
1 S Washington M 6.2 10 42.71N 83.04W
Roseville M 6.8 24 42.51N 82.94W
...Midland County...
Oil City M 1.3 24 43.61N 84.59W
...Monroe County...
Dundee M 3.0 24 41.96N 83.66W
3 N Monroe M 5.0 17 41.96N 83.38W
...Oakland County...
4 N Novi M 3.7 19 42.54N 83.50W
1 E White Lake M 4.0 24 42.65N 83.49W
Wixom M 4.4 15 42.52N 83.54W
2 NW Waterford M 4.5 24 42.68N 83.42W
3 WSW Troy M 4.5 16 42.56N 83.19W
4 E White Lake M 4.5 11 42.65N 83.43W
2 S Ortonville M 4.7 24 42.82N 83.44W
Davisburg M 4.8 24 42.75N 83.54W
3 S Bloomfield Township M 5.0 24 42.53N 83.26W
Beverly Hills M 5.0 18 42.52N 83.22W
Farmington M 5.0 24 42.46N 83.38W
Farmington M 5.0 7.5 42.46N 83.38W
Holly M 5.0 16 42.80N 83.62W
Huntington Woods E 5.0 10 42.48N 83.17W
Rochester M 5.0 15 42.69N 83.12W
...Saginaw County...
Saginaw M 1.3 24 43.42N 83.95W
...Sanilac County...
Lexington M 4.0 24 43.27N 82.53W
...Shiawassee County...
Owosso M 2.0 24 43.00N 84.18W
Durand M 4.0 24 42.91N 83.99W
6 WNW Durand M 4.3 24 42.95N 84.10W
...St. Clair County...
Port Huron M 2.8 19 42.99N 82.43W
4 SSW St. Clair M 5.5 19 42.77N 82.53W
...Tuscola County...
Cass City M 1.0 24 43.60N 83.18W
...Washtenaw County...
2 WNW Ann Arbor M 4.0 24 42.29N 83.77W
Ypsilanti M 4.8 16 42.24N 83.62W
1 ENE Dexter M 5.0 24 42.34N 83.86W
Dexter M 5.0 17 42.33N 83.88W
Se Ann Arbor M 5.4 24 42.28N 83.73W
Ann Arbor M 5.5 7.5 42.28N 83.73W
Manchester M 5.5 20 42.15N 84.04W
...Wayne County...
1 NW Canton M 3.0 17 42.32N 83.50W
2 NE Livonia M 3.0 24 42.42N 83.34W
2 NNW Livonia M 3.4 24 42.42N 83.39W
2 NW Dearborn Heights M 4.0 24 42.35N 83.30W
Grosse Pointe Farms M 4.0 24 42.40N 82.89W
3 N Livonia M 5.3 20 42.44N 83.37W
Livonia M 6.0 12 42.40N 83.37W
1 SSE Livonia M 6.5 12 42.39N 83.37W
1 ESE Romulus M 6.6 10 42.22N 83.35W
Wyandotte M 6.8 24 42.21N 83.16W
4 N Grosse Pointe M 7.0 12 42.44N 82.90W
M = Measured
E = Estimated
$$
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