3,718
Recorded events
1,592
Counties affected
43
Direct deaths
$342.0M
Property damage
The 1977 severe weather season produced 3,718 recorded events across 1,592 U.S. counties, with 43 direct deaths. It ranks #53 among all years in the archive by event count.
Through the year
1977 severe weather by month
By hazard type
What hit the U.S. in 1977
| Hazard | Events | Deaths | Damage |
|---|---|---|---|
| Thunderstorm Wind | 1,718 | 0 | $0 |
| Hail | 1,079 | 0 | $0 |
| Tornado | 921 | 43 | $342.0M |
Deadliest days
The deadliest events of 1977
| Date | Event | County | Deaths | Injuries |
|---|---|---|---|---|
| Apr 4, 1977 | Tornado F5 | Jefferson County, Alabama | 22 | 130 |
| Aug 21, 1977 | Tornado F3 | Shelby County, Illinois | 6 | 56 |
| May 4, 1977 | Tornado F3 | Cass County, Missouri | 2 | 15 |
| Feb 23, 1977 | Tornado F4 | Winston County, Mississippi | 2 | 5 |
| Apr 4, 1977 | Tornado F3 | St. Clair County, Alabama | 1 | 0 |
| Dec 13, 1977 | Tornado F3 | Harris County, Texas | 1 | 35 |
| May 16, 1977 | Tornado F3 | Stephens County, Oklahoma | 1 | 2 |
| May 4, 1977 | Tornado F3 | Lafayette County, Missouri | 1 | 5 |
| Apr 2, 1977 | Tornado F4 | Eaton County, Michigan | 1 | 44 |
| Apr 21, 1977 | Tornado F3 | St. Martin Parish, Louisiana | 1 | 11 |
Violent tornadoes
EF4 and EF5 tornadoes of 1977
| Date | Scale | Touchdown county | Deaths | Path |
|---|---|---|---|---|
| 1977-04-04 | EF5 | Jefferson County, Alabama | 22 | 14.7 mi |
| 1977-02-23 | EF4 | Winston County, Mississippi | 2 | 15.0 mi |
| 1977-04-02 | EF4 | Eaton County, Michigan | 1 | 16.6 mi |
| 1977-08-31 | EF4 | Marathon County, Wisconsin | 0 | 31.8 mi |
| 1977-07-07 | EF4 | Thurston County, Nebraska | 0 | 22.6 mi |
| 1977-07-30 | EF4 | Chippewa County, Wisconsin | 0 | 19.0 mi |
| 1977-05-05 | EF4 | Logan County, Illinois | 0 | 7.3 mi |
| 1977-04-02 | EF4 | Kalamazoo County, Michigan | 0 | 12.4 mi |
| 1977-05-04 | EF4 | Ray County, Missouri | 0 | 48.6 mi |
| 1977-05-04 | EF4 | Jackson County, Missouri | 0 | 12.0 mi |