Winter Storm, Mason
- When
- December 23, 3:00 PM EST to December 25, 7:00 AM EST
- Where
- Mason forecast zone
- Reported by
- NWS STORM SURVEY
- Coordinates
- 43.956, -86.423 (the zone’s center; the record gives no point)
Moderate to heavy lake effect snow bands set up during the late afternoon hours of the 23rd. The snow continued through the early morning hours of the 25th.
Every event with a place to put it; 11 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS GRR wrote it up.
Moderate to heavy lake effect snow bands set up during the late afternoon hours of the 23rd. The snow continued through the early morning hours of the 25th. Anywhere from 6 inches to well over a foot of snow fell across the area. The heaviest snowfall totals were received from Grandville (Kent county), where 17.7 inches of snow fell, and from Bloomington (Van Buren county), where 17 inches of snow fell.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Grand Rapids, MI wrote its last area forecast discussion before the first event at Dec 23, 10:05 AM EST, 4 hours 55 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GRAND RAPIDS MI 1005 AM EST SUN DEC 23 2001 WE WILL ISSUE A QUICK UPDATE TO THE ZONES TO TAKE MENTION OF RAIN SHOWERS OUT OF THE FORECAST FOR OUR EASTERN CWA THIS MORNING. 15Z OBS SHOW TEMPS HAVE DROPPED INTO THE UPPER 20S ACROSS OUR WESTERN CWA TO THE LOWER 30S EAST. TEMPERATURES WILL CONTINUE TO FALL GRADUALLY THIS AFTERNOON AND OUR GOING TEMP FORECAST IS RIGHT ON TARGET. AS FOR LAKE EFFECT SNOW... RADAR SHOWS A FEW FLURRIES ALREADY BEGINNING TO DEVELOP ACROSS PORTIONS OF ALLEGAN AND OTTAWA COUNTIES. SNOW SHOWERS WILL DEVELOP ACROSS OUR WESTERN CWA EARLY THIS AFTERNOON AND ARE POSSIBLE ACROSS OUR EASTERN CWA BY MID TO LATE AFTERNOON. LIGHT SNOW ACCUMULATIONS OF AROUND AN INCH ARE POSSIBLE BY SUNSET FOR THE COUNTIES INCLUDED IN THE LAKE EFFECT SNOW WARNING. HOWEVER... THE SNOW WILL NOT REALLY PICK UP IN COVERAGE AND INTENSITY UNTIL THIS EVENING AS DELTA T/S INCREASE AND WE BEGIN TO SATURATE THE MID LEVELS OF THE ATMOSPHERE. OVERALL... OUR GOING FORECAST HAS A VERY GOOD HANDLE ON THINGS. LAURENS .GRR...LAKE EFFECT SNOW WARNING IN EFFECT TONIGHT AND MONDAY FOR THE FOLLOWING COUNTIES: VAN BUREN... ALLEGAN... BARRY... OTTAWA...KENT... MUSKEGON... OCEANA... NEWAYGO... MASON AND LAKE. WINTER STORM WATCH FOR KALAMAZOO COUNTY MONDAY AND MONDAY NIGHT
The national radar mosaic for the moment the first event began.
11 winter storm. Local standard time, as filed.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Michigan in 2001Every state in 2001This day in weather historyWarnings in Michigan, December 2001
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 5274405, 5274406, 5274407, 5274408, 5274409, 5274410, 5274740, 5274741, 5274742, 5274743, 5274744.