Winter Storm, Lyman
- When
- December 15, 7:00 AM CST to December 16, 2:00 PM CST
- Where
- Lyman forecast zone
- Reported by
- CoCoRaHS
- Coordinates
- 43.896, -99.847 (the zone’s center; the record gives no point)
A surface low pressure system that tracked from eastern Colorado to Minnesota brought heavy snow to much of central and parts of northeast, South Dakota. Northwest winds also increased to 20 to 30 mph with gusts up to 40 mph causing blowing snow and lowered visibility.
Every event with a place to put it; 15 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 ABR wrote it up.
A surface low pressure system that tracked from eastern Colorado to Minnesota brought heavy snow to much of central and parts of northeast, South Dakota. Northwest winds also increased to 20 to 30 mph with gusts up to 40 mph causing blowing snow and lowered visibility. Snowfall amounts of 6 to 11 inches occurred with this winter storm. A number of schools were delayed or cancelled. Travel became hazardous and was not advised. Snowfall totals include: 6 inches at Pierre, Aberdeen, Onida, and Selby; 7 inches 15 miles northwest of Gettysburg; 8 inches 25 miles west of Onida; 9 inches at Eagle Butte; 10 inches at Murdo and 11 inches 6 miles east of Hayes.
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 Aberdeen, SD wrote its last area forecast discussion before the first event at Dec 15, 5:32 AM CST, 1 hour 28 minutes earlier.
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</html>The national radar mosaic for the moment the first event began.
15 winter storm. Local standard time, as filed.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in South Dakota in 2015Every state in 2015This day in weather historyWarnings in South Dakota, December 2015
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 2026-10-01. Each event’s entry at NCEI: 612392, 612390, 612388, 612393, 612394, 612406, 612396, 612403, 612402, 612398, 612386, 612400, 612401, 612387, 612408.