Flood, Southwest Big Horn Basin
- When
- March 13, 12:00 PM MST to March 14, 6:00 PM MST
- Where
- Southwest Big Horn Basin forecast zone
- Coordinates
- 43.719, -108.442 (the zone’s center; the record gives no point)
Flooding in Wyoming, March 13 to 14, 1996
Ice jams caused flooding in lowland areas around Greybull on the Big Horn River. Other rivers and streams in the southern part of the Big Horn Basin also had flooding due to ice jams.
Where it happened
Every event with a place to put it; 2 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
- 2
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.
Ice jams caused flooding in lowland areas around Greybull on the Big Horn River. Other rivers and streams in the southern part of the Big Horn Basin also had flooding due to ice jams. A one hundred foot long footbridge was washed out between Ten Sleep and Manderson on March 13 on the Lower Nowood River. Flooding also occurred between Manderson and Basin, shortly after midnight on March 13. A factory on the north side of Greybull was flooded. The sewer lagoon for the city was also underwater during this time.
The radar
The national radar mosaic for the moment the first event began.
Event by event
2 flood. Local standard time, as filed.
Flood, Bighorn Mountains Southeast
- When
- March 13, 12:00 PM MST to March 14, 6:00 PM MST
- Where
- Bighorn Mountains Southeast forecast zone
- Coordinates
- 43.635, -107.022 (the zone’s center; the record gives no point)
What these are
- Flood
- Flooding that develops more slowly than a flash flood: rivers leaving their banks, or water standing over land for an extended time.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Winter Storm in Colorado, March 13 to 15, 1996
- Flood in California, March 13, 1996
- Damaging Wind in Tennessee, March 13, 1996
- Heavy Snow in Colorado, March 13 to 14, 1996
- Heavy Snow in Montana, March 13 to 14, 1996
- Heavy Snow in Montana, March 13, 1996
- Heavy Snow in Arizona, March 13, 1996
- Heavy Snow in Arizona, March 13, 1996
- High Wind in Oregon, March 13, 1996
- Strong Wind in California, March 13, 1996
- Hail in Arizona, March 13, 1996
- Funnel Cloud in Arizona, March 13, 1996
More
Every storm in Wyoming in 1996Every state in 1996This day in weather historyWarnings in Wyoming, March 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 2026-09-24. Each event’s entry at NCEI: 5540084, 5540085.