Tropical Storm Allison
One of the tropical cyclone disasters on NOAA’s billion-dollar list: $1.5 billion in losses at 2024 prices ($585 million at the time) and 11 deaths.
What the offices filed during it
The 15 most significant tropical cyclone episodes filed in these dates, colored by kind.
- Tornadoes
- Tropical storms and surge
- Floods
- Wind
- Hail
- Winter weather
- Heat and drought
- Cold
- Fire, smoke and dust
- Marine and coastal
- Other
The toll
- Losses, 2024 dollars
- $1.5 billion
- Losses at the time
- $585 million
- Deaths
- 11
The losses and deaths are NCEI’s, counting everything the disaster did. The episodes below are only what the Weather Service filed in its Storm Events record, which counts damage differently and often not at all, so the two never add up and are shown apart.
By state, as filed
| State | Events | Deaths | Injuries | Damage filed |
|---|---|---|---|---|
| Nebraska | 28 | 0 | 2 | $2.5 million |
| Louisiana | 10 | 0 | 2 | $500,000 |
| Wisconsin | 27 | 0 | 8 | $275,000 |
| North Carolina | 10 | 0 | 0 | $250,000 |
| Mississippi | 1 | 0 | 5 | $250,000 |
| North Dakota | 16 | 0 | 0 | $25,000 |
| Iowa | 6 | 0 | 1 | $25,000 |
| Colorado | 11 | 0 | 0 | $3,000 |
| New Mexico | 5 | 0 | 0 | |
| Texas | 2 | 0 | 1 |
Episode by episode
- Tornadoes and Hail in Nebraska, June 25, 1989
- Tornadoes and Hail in Colorado, June 25, 1989
- Tornado and Hail in Iowa, June 26, 1989
- Tornadoes and Hail in Wisconsin, June 26, 1989
- Tornado and Damaging Wind in Texas, June 26, 1989
- Tornado and Hail in North Carolina, June 26, 1989
- Tornadoes and Damaging Winds in Louisiana, June 27, 1989
- Tornadoes and Hail in Nebraska, June 28, 1989
- Tornado in Mississippi, June 28, 1989
- Tornado and Hail in North Carolina, June 28, 1989
- Tornadoes and Hail in North Dakota, June 28, 1989
- Tornado in Louisiana, June 29, 1989
- Tornadoes in Nebraska, June 29, 1989
- Tornado and Hail in New Mexico, June 29, 1989
- Tornado and Hail in Colorado, June 29, 1989
More
Every billion-dollar disasterEvery storm of 1989The 1989 hurricane seasonTornadoes in 1989
Sources
NOAA NCEI, U.S. Billion-Dollar Weather and Climate Disasters (2025), https://doi.org/10.25921/stkw-7w73, and the Storm Events Database for the episodes.