150,879
Recorded events
11.7%
Share of the whole archive
886
Direct deaths
$67.7B
Property damage
August severe weather accounts for 150,879 recorded events — 11.7% of everything in the U.S. archive — spread across 3,170 counties, with 886 direct deaths since 1950.
By hazard type
What hits the U.S. in August
| Hazard | Events | Deaths |
|---|---|---|
| Thunderstorm Wind | 78,053 | 147 |
| Hail | 36,623 | 1 |
| Flash Flood | 16,648 | 315 |
| Tornado | 5,341 | 130 |
| Heavy Rain | 4,606 | 17 |
| Flood | 3,905 | 30 |
| Lightning | 3,662 | 202 |
| Funnel Cloud | 1,122 | 0 |
| Wildfire | 343 | 2 |
| Debris Flow | 258 | 1 |
By state
States with the most August severe weather
| Rank | State | Events |
|---|---|---|
| #1 | Kansas | 8,462 |
| #2 | Texas | 6,665 |
| #3 | South Dakota | 6,450 |
| #4 | New York | 6,020 |
| #5 | Minnesota | 5,897 |
| #6 | Pennsylvania | 5,868 |
| #7 | Nebraska | 5,839 |
| #8 | Iowa | 5,408 |
| #9 | Virginia | 5,288 |
| #10 | North Carolina | 4,765 |
| #11 | Illinois | 4,693 |
| #12 | Colorado | 4,518 |
| #13 | Ohio | 4,474 |
| #14 | Missouri | 4,443 |
| #15 | Georgia | 4,443 |
Significant events
The deadliest August events on record
| Date | Event | County | Deaths |
|---|---|---|---|
| Aug 27, 2017 | Flash Flood | Harris County, Texas | 36 |
| Aug 28, 1990 | Tornado F5 | Will County, Illinois | 29 |
| Aug 21, 2021 | Flash Flood | Humphreys County, Tennessee | 19 |
| Aug 6, 1969 | Tornado F4 | Cass County, Minnesota | 12 |
| Aug 12, 1997 | Flash Flood | Coconino County, Arizona | 11 |
| Aug 26, 2017 | Flash Flood | Orange County, Texas | 10 |
| Aug 24, 1998 | Flash Flood | Val Verde County, Texas | 9 |
| Aug 14, 2011 | Thunderstorm Wind | Marion County, Indiana | 7 |
| Aug 21, 1977 | Tornado F3 | Shelby County, Illinois | 6 |
| Aug 6, 1997 | Flash Flood | Cochise County, Arizona | 6 |