Wyoming, 1999

High Wind in Wyoming, November 25 to 26, 1999

November 25 to 26, 1999 · NWS CYS · 4 events in 4 counties and zones

High winds again blew across parts of southeast Wyoming late on the 25th into the 26th of November,with gusts as high as 76 mph reported at Arlington, Wy, and 68 mph at Cheyenne, Wy. About a halfdozen tractor-trailer trucks were blown over on Interstates 25 and 80.

The toll

Deaths
0
Injuries
1
Property damage
$50,000
Crop damage
None recorded
Events
4

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.

High winds again blew across parts of southeast Wyoming late on the 25th into the 26th of November,with gusts as high as 76 mph reported at Arlington, Wy, and 68 mph at Cheyenne, Wy. About a halfdozen tractor-trailer trucks were blown over on Interstates 25 and 80. About 50 households north ofCheyenne, Wy, experienced power outages due to tree limbs blowing onto power lines, with a metalgarage flattened near Cheyenne.

Event by event

4 high wind. Local standard time, as filed.

High Wind, North Laramie Range

When
November 25, 9:50 PM MST to November 26, 3:30 PM MST
Where
North Laramie Range forecast zone
Measured
53 kt (61 mph)
Reported by
AWOS,ASOS,MESONET,ETC

High Wind, Platte

When
November 25, 9:50 PM MST to November 26, 3:30 PM MST
Where
Platte forecast zone
Measured
52 kt (60 mph)
Property damage
$30,000
Reported by
AWOS,ASOS,MESONET,ETC

High Wind, Snowy Range

When
November 25, 9:50 PM MST to November 26, 3:30 PM MST
Where
Snowy Range forecast zone
Measured
66 kt (76 mph)
Reported by
AWOS,ASOS,MESONET,ETC

High Wind, Cheyenne Foothills

When
November 26, 11:35 AM MST to 3:30 PM MST
Where
Cheyenne Foothills forecast zone
Measured
59 kt (68 mph)
Injuries
1 direct, 0 indirect
Property damage
$20,000
Reported by
AWOS,ASOS,MESONET,ETC

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 1999Every state in 1999This day in weather historyWarnings in Wyoming, November 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: 5723156, 5723157, 5723158, 5723155.