Thunderstorm Wind, Umatilla
- When
- August 18, 5:00 PM PST
- Where
- Umatilla County, Ukiah
- Property damage
- $1,000
- Reported by
- OFFICIAL NWS OBS.
- Coordinates
- 45.592, -118.737 (the zone’s center; the record gives no point)
Damaging Wind in Oregon, August 18, 1999
A dry microburst tore a section of roof from of a mobile home near the center of Ukiah. A wind gust of 62 mph was measured by an anemometer 1/4 mile to the north of this home.
Where it happened
Every event with a place to put it; 1 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
- Tornadoes
- Tropical storms and surge
- Floods
- Wind
- Hail
- Winter weather
- Heat and drought
- Cold
- Fire, smoke and dust
- Marine and coastal
- Other
The toll
- Deaths
- 0
- Injuries
- 0
- Property damage
- $1,000
- Crop damage
- None recorded
- Events
- 1
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 PDT wrote it up.
A dry microburst tore a section of roof from of a mobile home near the center of Ukiah. A wind gust of 62 mph was measured by an anemometer 1/4 mile to the north of this home. The United States Forest Service nearby measured a gust of 54 mph.
The radar
The national radar mosaic for the moment the first event began.
Event by event
1 thunderstorm wind. Local standard time, as filed.
What these are
- Thunderstorm Wind
- Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Hail and Damaging Wind in Illinois, August 18, 1999
- Lightning Strike in Tennessee, August 18, 1999
- Flood and Lightning Strike in Minnesota, August 18, 1999
- Damaging Wind in Florida, August 18, 1999
- Wildfire in Oregon, August 18 to 19, 1999
- Hail and Damaging Wind in North Carolina, August 18, 1999
- Hail and Damaging Wind in Illinois, August 18, 1999
- Damaging Wind in Minnesota, August 18, 1999
- Hail in Florida, August 18, 1999
- Damaging Wind in Florida, August 18, 1999
- Heat in Georgia, August 18, 1999
- Lightning Strike in Florida, August 18, 1999
More
Every storm in Oregon in 1999Every state in 1999This day in weather historyWarnings in Oregon, August 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: 5713298.