Wyoming, 1999

High Wind in Wyoming, September 25, 1999

September 25, 1999 · NWS CYS · 4 events in 4 counties and zones

High winds blew across parts of south central and southeast Wyoming. Wind gusts to 70 mph were reported at Arlington, WY, with gusts to 64 mph reported at the University of Wyoming in Laramie, and on Interstate 25 10 miles southeast of Wheatland, Wy.

The toll

Deaths
0
Injuries
1
Property damage
$10,000
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 blew across parts of south central and southeast Wyoming. Wind gusts to 70 mph were reported at Arlington, WY, with gusts to 64 mph reported at the University of Wyoming in Laramie, and on Interstate 25 10 miles southeast of Wheatland, Wy. A tractor-trailer truck was blown over on Interstate 80 9 mileseast of Arlington, injuring the driver.

Event by event

4 high wind. Local standard time, as filed.

High Wind, Platte

When
September 25, 8:45 AM MST to 6:00 PM MST
Where
Platte forecast zone
Measured
56 kt (64 mph)
Reported by
DEPT OF HIGHWAYS

High Wind, Laramie Valley / Wc and Sw Albany

When
September 25, 8:45 AM MST to 6:00 PM MST
Where
Laramie Valley / Wc and Sw Albany forecast zone
Measured
56 kt (64 mph)
Injuries
1 direct, 0 indirect
Reported by
AWOS,ASOS,MESONET,ETC

High Wind, Snowy Range / Se Carbon / X Sw Albany

When
September 25, 8:45 AM MST to 6:00 PM MST
Where
Snowy Range / Se Carbon / X Sw Albany forecast zone
Measured
61 kt (70 mph)
Reported by
DEPT OF HIGHWAYS

High Wind, Southwest Carbon

When
September 25, 8:45 AM MST to 6:00 PM MST
Where
Southwest Carbon forecast zone
Measured
55 kt (63 mph)
Property damage
$10,000
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, September 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: 5719025, 5719026, 5719027, 5719028.