Wyoming, 1996

High Wind in Wyoming, December 19 to 20, 1996

December 19 to 20, 1996 · NWS CYS · 7 events in 7 counties and zones

Strong winds occurred over and adjacent to the Snowy Range and Laramie Range. Sustained winds were 40 to 75 MPH with a gust to 84 MPH ten miles south of Wheatland at 408 AM.

The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
7

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 CYS wrote it up.

Strong winds occurred over and adjacent to the Snowy Range and Laramie Range. Sustained winds were 40 to 75 MPH with a gust to 84 MPH ten miles south of Wheatland at 408 AM. Interstate 80 was closed between Cheyenne and Laramie by 655 AM and Highway 210 was closed between Curt Gowdy State Park and its intersection with Interstate 80 by 655 AM. A tractor trailer blew over ten miles south of Wheatland on Interstate 25 by 447 AM and another tractor trailer blew over 30 miles west of Laramie on Interstate 80 by 655 AM. Several cars hit guardrails on Interstates 25 and 80 after being blown off the Interstates.

Event by event

7 high wind. Local standard time, as filed.

High Wind, Platte

When
December 19, 10:00 PM MST to December 20, 8:00 PM MST
Where
Platte forecast zone
Measured
73 kt (84 mph)

High Wind, North Carbon

When
December 19, 10:00 PM MST to December 20, 8:00 PM MST
Where
North Carbon forecast zone
Measured
53 kt (61 mph)

High Wind, Cheyenne Foothills

When
December 19, 10:00 PM MST to December 20, 8:00 PM MST
Where
Cheyenne Foothills forecast zone
Measured
45 kt (52 mph)

High Wind, Laramie Valley

When
December 19, 10:00 PM MST to December 20, 8:00 PM MST
Where
Laramie Valley forecast zone
Measured
40 kt (46 mph)

High Wind, Laramie Range

When
December 19, 10:00 PM MST to December 20, 8:00 PM MST
Where
Laramie Range forecast zone
Measured
47 kt (54 mph)

High Wind, North Laramie Range

When
December 19, 10:00 PM MST to December 20, 8:00 PM MST
Where
North Laramie Range forecast zone
Measured
45 kt (52 mph)

High Wind, Snowy Range

When
December 19, 10:00 PM MST to December 20, 8:00 PM MST
Where
Snowy Range forecast zone
Measured
46 kt (53 mph)

What these are

High Wind
Sustained non-thunderstorm winds of 40 mph or more for an hour, or gusts of 58 mph or more.

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

The same day elsewhere

More

Every storm in Wyoming in 1996Every state in 1996This day in weather historyWarnings in Wyoming, December 1996

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 2026-09-30. Each event’s entry at NCEI: 5581604, 5581605, 5581606, 5581607, 5581608, 5581609, 5581610.