Flash Flood, McCone
- When
- April 9, 3:00 PM MST to 5:12 PM MST
- Where
- McCone County, 10 mi SE of Vida
- Reported by
- TRAINED SPOTTER
- Coordinates
- 47.645, -105.795 (the zone’s center; the record gives no point)
Flash Flooding in Montana, April 9, 1999
Very heavy rain falling at the rate of nearly 2 inches in an hour inundated portions of Daniels, McCone and Roosevelt Counties. Streams left their banks and several secondary roads had significant amounts of runoff covering their surfaces.
Where it happened
Every event with a place to put it; 3 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
- None recorded
- Crop damage
- None recorded
- Events
- 3
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 GGW wrote it up.
Very heavy rain falling at the rate of nearly 2 inches in an hour inundated portions of Daniels, McCone and Roosevelt Counties. Streams left their banks and several secondary roads had significant amounts of runoff covering their surfaces. Total precipitation from the three to four hour event reached 3 inches along the Daniels-Roosevelt County line.
The radar
The national radar mosaic for the moment the first event began.
Event by event
3 flash flood. Local standard time, as filed.
Flash Flood, Daniels
- When
- April 9, 3:35 PM MST to 8:15 PM MST
- Where
- Daniels County, 12 mi S of Scobey
- Reported by
- TRAINED SPOTTER
- Coordinates
- 48.784, -105.549 (the zone’s center; the record gives no point)
Flash Flood, Roosevelt
- When
- April 9, 5:36 PM MST to 8:15 PM MST
- Where
- Roosevelt County, 30 mi NNW of Wolf Pt
- Reported by
- TRAINED SPOTTER
- Coordinates
- 48.295, -105.016 (the zone’s center; the record gives no point)
What these are
- Flash Flood
- Flooding that begins within six hours of the rain that causes it, or of a dam or levee failure or ice jam release, often with deadly speed.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Tornadoes and Hail in Ohio, April 9, 1999
- Tornadoes and Damaging Wind in Indiana, April 9, 1999
- Tornado in Indiana, April 9, 1999
- High Wind in Colorado, April 9 to 10, 1999
- Tornado in Indiana, April 9, 1999
- Flash Flooding and Hail in Pennsylvania, April 9 to 10, 1999
- Hail and Damaging Winds in Virginia, April 9, 1999
- Damaging Wind in Indiana, April 9, 1999
- Tornado and Damaging Winds in Virginia, April 9, 1999
- Damaging Winds in Ohio, April 9, 1999
- Hail and Damaging Winds in West Virginia, April 9, 1999
- Damaging Wind in Indiana, April 9, 1999
More
Every storm in Montana in 1999Every state in 1999This day in weather historyWarnings in Montana, April 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: 5688321, 5688320, 5688322.