F040 to 72 mph
Light damage. Surface peeled off some roofs, gutters and siding damaged, branches broken, shallow-rooted trees pushed over.
F173 to 112 mph
Moderate damage. Roofs badly stripped, mobile homes overturned or badly damaged, exterior doors lost, windows broken.
F2113 to 157 mph
Considerable damage. Roofs torn off well-built houses, frame homes shifted on their foundations, mobile homes destroyed, large trees snapped or uprooted, cars lifted off the ground.
F3158 to 206 mph
Severe damage. Whole stories of well-built houses destroyed, large buildings badly damaged, trains overturned, trees debarked, heavy cars lifted and thrown.
F4207 to 260 mph
Devastating damage. Well-built houses leveled, structures with weak foundations moved some distance, cars thrown and large missiles generated.
F5261 to 318 mph
Incredible damage. Strong frame houses swept off their foundations, car-sized missiles thrown more than 100 meters, steel-reinforced concrete badly damaged, high-rise buildings deformed.
Unrated
The survey recorded a tornado but could not put a number on it, most often because it crossed open country and damaged nothing a rating can be read from.
Every tornado in Florida in 1977
January 6 1 tornado
| Date | Time | Rating | Where | Path (mi) | Width (yd) | Deaths | Injuries | Damage |
|---|
| January 6 | 8:30 PM CST | F0 | Okaloosa | 0.1 | 10 | | | $50 to $500 |
January 10 1 tornado
| Date | Time | Rating | Where | Path (mi) | Width (yd) | Deaths | Injuries | Damage |
|---|
| January 10 | 6:50 AM EST | F1 | Osceola | 0.2 | 23 | | | $50,000 to $500,000 |
February 23 1 tornado
| Date | Time | Rating | Where | Path (mi) | Width (yd) | Deaths | Injuries | Damage |
|---|
| February 23 | 11:45 PM CST | F1 | Okaloosa | 0.3 | 10 | | | $5,000 to $50,000 |
February 24 2 tornadoes
| Date | Time | Rating | Where | Path (mi) | Width (yd) | Deaths | Injuries | Damage |
|---|
| February 24 | 9:04 AM EST | F0 | Osceola | 0.3 | 10 | | | $5,000 to $50,000 |
| February 24 | 9:15 AM EST | F0 | Orange | 0.1 | 10 | | | $500 to $5,000 |
May 24 1 tornado
| Date | Time | Rating | Where | Path (mi) | Width (yd) | Deaths | Injuries | Damage |
|---|
| May 24 | 4:30 PM EDT | F0 | Highlands | 0.1 | 20 | | | |
May 27 1 tornado
| Date | Time | Rating | Where | Path (mi) | Width (yd) | Deaths | Injuries | Damage |
|---|
| May 27 | 3:00 PM EDT | F0 | Brevard | 0.1 | 20 | | | |
May 29 1 tornado
| Date | Time | Rating | Where | Path (mi) | Width (yd) | Deaths | Injuries | Damage |
|---|
| May 29 | 3:35 PM EDT | F1 | Marion | 0.1 | 30 | | | $5,000 to $50,000 |
June 5 1 tornado
| Date | Time | Rating | Where | Path (mi) | Width (yd) | Deaths | Injuries | Damage |
|---|
| June 5 | 5:30 PM EDT | F0 | Polk | 0.1 | 13 | | | $500 to $5,000 |
June 6 1 tornado
| Date | Time | Rating | Where | Path (mi) | Width (yd) | Deaths | Injuries | Damage |
|---|
| June 6 | 5:00 PM EDT | F0 | Highlands | 0.1 | 13 | | | $500 to $5,000 |
June 15 1 tornado
| Date | Time | Rating | Where | Path (mi) | Width (yd) | Deaths | Injuries | Damage |
|---|
| June 15 | 4:45 PM EDT | F0 | Putnam | 0.1 | 20 | | | $500 to $5,000 |
June 16 1 tornado
| Date | Time | Rating | Where | Path (mi) | Width (yd) | Deaths | Injuries | Damage |
|---|
| June 16 | 9:50 PM EDT | F0 | Pasco | 0.1 | 10 | | | $500 to $5,000 |
June 17 1 tornado
| Date | Time | Rating | Where | Path (mi) | Width (yd) | Deaths | Injuries | Damage |
|---|
| June 17 | 8:30 PM EDT | F1 | Putnam | 0.1 | 20 | | | $5,000 to $50,000 |
June 18 1 tornado
| Date | Time | Rating | Where | Path (mi) | Width (yd) | Deaths | Injuries | Damage |
|---|
| June 18 | 5:21 PM CDT | F0 | | 0.1 | 13 | | | |
June 20 1 tornado
| Date | Time | Rating | Where | Path (mi) | Width (yd) | Deaths | Injuries | Damage |
|---|
| June 20 | 8:00 PM EDT | F1 | Duval | 2.6 | 20 | | | $5,000 to $50,000 |
June 21 1 tornado
| Date | Time | Rating | Where | Path (mi) | Width (yd) | Deaths | Injuries | Damage |
|---|
| June 21 | 2:04 PM EDT | F1 | Alachua | 6.4 | 20 | | | |
June 22 1 tornado
| Date | Time | Rating | Where | Path (mi) | Width (yd) | Deaths | Injuries | Damage |
|---|
| June 22 | 6:00 PM EDT | F0 | Nassau | 0.1 | 20 | | | $5,000 to $50,000 |
July 1 1 tornado
| Date | Time | Rating | Where | Path (mi) | Width (yd) | Deaths | Injuries | Damage |
|---|
| July 1 | 4:30 PM EDT | F0 | Lee | 0.1 | 13 | | | $5,000 to $50,000 |
July 6 1 tornado
| Date | Time | Rating | Where | Path (mi) | Width (yd) | Deaths | Injuries | Damage |
|---|
| July 6 | 5:00 PM EDT | F0 | Martin | 0.1 | 10 | | | $500 to $5,000 |
July 7 1 tornado
| Date | Time | Rating | Where | Path (mi) | Width (yd) | Deaths | Injuries | Damage |
|---|
| July 7 | 5:15 PM EDT | F0 | Pasco | 0.1 | 13 | | | $500 to $5,000 |
July 11 1 tornado
| Date | Time | Rating | Where | Path (mi) | Width (yd) | Deaths | Injuries | Damage |
|---|
| July 11 | 8:00 PM EDT | F0 | Collier | 0.5 | 30 | | | $5,000 to $50,000 |
July 12 1 tornado
| Date | Time | Rating | Where | Path (mi) | Width (yd) | Deaths | Injuries | Damage |
|---|
| July 12 | 5:00 PM EDT | F0 | Collier | 0.5 | 30 | | | $500 to $5,000 |
July 15 1 tornado
| Date | Time | Rating | Where | Path (mi) | Width (yd) | Deaths | Injuries | Damage |
|---|
| July 15 | 4:15 PM EDT | F1 | Manatee | 1.0 | 50 | | 6 | $50,000 to $500,000 |
July 19 1 tornado
| Date | Time | Rating | Where | Path (mi) | Width (yd) | Deaths | Injuries | Damage |
|---|
| July 19 | 5:30 PM EDT | F0 | Columbia | 0.1 | 20 | | | $500 to $5,000 |
July 21 1 tornado
| Date | Time | Rating | Where | Path (mi) | Width (yd) | Deaths | Injuries | Damage |
|---|
| July 21 | 6:43 PM EDT | F0 | DeSoto | 0.5 | 13 | | 2 | $5,000 to $50,000 |
August 1 1 tornado
| Date | Time | Rating | Where | Path (mi) | Width (yd) | Deaths | Injuries | Damage |
|---|
| August 1 | 4:25 PM EDT | F0 | Brevard | 0.1 | 20 | | | $500 to $5,000 |
August 10 1 tornado
| Date | Time | Rating | Where | Path (mi) | Width (yd) | Deaths | Injuries | Damage |
|---|
| August 10 | 3:27 PM EDT | F1 | Bradford | 1.0 | 13 | | | $5,000 to $50,000 |
August 18 1 tornado
| Date | Time | Rating | Where | Path (mi) | Width (yd) | Deaths | Injuries | Damage |
|---|
| August 18 | 7:00 PM EDT | F0 | Lake | 0.2 | 13 | | | $500 to $5,000 |
September 21 1 tornado
| Date | Time | Rating | Where | Path (mi) | Width (yd) | Deaths | Injuries | Damage |
|---|
| September 21 | 5:30 PM EDT | F0 | Seminole | 0.1 | 10 | | | $5,000 to $50,000 |
October 25 2 tornadoes
| Date | Time | Rating | Where | Path (mi) | Width (yd) | Deaths | Injuries | Damage |
|---|
| October 25 | 8:25 AM CDT | F0 | Escambia | 0.1 | 20 | | | $50 to $500 |
| October 25 | 12:45 PM CDT | F0 | Okaloosa | 0.1 | 13 | | | |
October 30 1 tornado
| Date | Time | Rating | Where | Path (mi) | Width (yd) | Deaths | Injuries | Damage |
|---|
| October 30 | 10:45 PM EST | F0 | Brevard | 0.1 | 13 | | | $50 to $500 |
December 5 1 tornado
| Date | Time | Rating | Where | Path (mi) | Width (yd) | Deaths | Injuries | Damage |
|---|
| December 5 | 1:30 PM EST | F2 | Putnam | 9.4 | 40 | 1 | 10 | $50,000 to $500,000 |
December 6 1 tornado
| Date | Time | Rating | Where | Path (mi) | Width (yd) | Deaths | Injuries | Damage |
|---|
| December 6 | 12:00 PM EST | F0 | Lee | 0.1 | 10 | | | $5,000 to $50,000 |
December 25 1 tornado
| Date | Time | Rating | Where | Path (mi) | Width (yd) | Deaths | Injuries | Damage |
|---|
| December 25 | 6:00 AM CST | F0 | Okaloosa | 0.1 | 10 | | | $5,000 to $50,000 |
Ratings are the survey's, read off the damage rather than measured; the rating scale is above. Tornado counts rise through the record as reporting improved, so a year in the 1950s is not comparable with one today except for the strongest tornadoes, which were always noticed.
NOAA Storm Prediction Center tornado database, 1950-2025, the official record kept by NOAA's Storm Prediction Center.