Wyoming, 1999

Blizzard in Wyoming, December 19, 1999

December 19, 1999 · NWS BYZ · 2 events in 2 counties and zones

Moisture associated with an arctic cold front produced heavy snowfall throughout Sheridan County during the early morning hours of the 19th. Sheridan received 6 inches of new snow, and Burgess Junction picked up 8 inches.

The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
2

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.

What happened

The episode as NWS BYZ wrote it up.

Moisture associated with an arctic cold front produced heavy snowfall throughout Sheridan County during the early morning hours of the 19th. Sheridan received 6 inches of new snow, and Burgess Junction picked up 8 inches. In addition, sustained winds as high as 41 mph with gusts up to 50 mph produced whiteout conditions in Sheridan. Several road closures were reported in Sheridan County.

Event by event

2 blizzard. Local standard time, as filed.

Blizzard, E Sheridan

When
December 19, 12:00 AM MST to 6:00 AM MST
Where
E Sheridan forecast zone
Reported by
OFFICIAL NWS OBS.

Blizzard, W Sheridan

When
December 19, 12:00 AM MST to 6:00 AM MST
Where
W Sheridan forecast zone
Reported by
DEPT OF HIGHWAYS

What these are

Blizzard
Sustained winds or frequent gusts of 35 mph or more with falling or blowing snow that cuts visibility below a quarter mile for three hours or longer.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Wyoming in 1999Every state in 1999This day in weather historyWarnings in Wyoming, December 1999

Sources

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: 5722685, 5722794.