1921 Hurricane/Tropical Data for Atlantic
Individual Storm Summary
Winds in knots, pressure in millibars, category is based on Saffir-Simpson scale.
| # | Name | Date | Wind | Pres | Cat | |
| 1 | Hurricane #1 | 16-26 JUN | 80 | 980 | 1 | |
| 2 | Hurricane #2 | 4- 8 SEP | 70 | - | 1 | |
| 3 | Hurricane #3 | 6-17 SEP | 110 | 959 | 3 | |
| 4 | Hurricane #4 | 8-14 SEP | 80 | 979 | 1 | |
| 5 | Tropical Storm #5 | 15-24 OCT | 70 | - | - | |
| 6 | Hurricane #6 | 20-30 OCT | 120 | 941 | 4 | |
| 7 | Tropical Storm #7 | 19-25 NOV | 50 | - | - |
Saffir-Simpson Scale
The chart color codes intensity (category based on Saffir-Simpson scale):
| Type | Category | Pressure (mb) | Winds (knots) |
Winds (mph) |
Line Color |
| Depression | td | ----- | < 34 | < 39 | Green |
| Tropical Storm | TS | ----- | 34-63 | 39-73 | Yellow |
| Hurricane | 1 | > 980 | 64-82 | 74-95 | Red |
| Hurricane | 2 | 965-980 | 83-95 | 96-110 | Light Red |
| Hurricane | 3 | 945-965 | 96-112 | 111-130 | Magenta |
| Hurricane | 4 | 920-945 | 113-135 | 131-155 | Light Magenta |
| Hurricane | 5 | < 920 | >135 | >155 | White |
NOTE: Pressures are in millibars and winds are in knots where one knot is equal to 1.15 mph
Individual Storm Details
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Tropical Storm #7 (19-25 NOV) Storm - Max Winds: 50 |
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Hurricane #6 (20-30 OCT) Storm - Max Winds: 120 Min Pres: 941 Category: 4 |
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Tropical Storm #5 (15-24 OCT) Storm - Max Winds: 70 |
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Hurricane #4 (08-14 SEP) Storm - Max Winds: 80 Min Pres: 979 Category: 1 |
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Hurricane #3 (06-17 SEP) Storm - Max Winds: 110 Min Pres: 959 Category: 3 |
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Hurricane #2 (04-08 SEP) Storm - Max Winds: 70 Category: 1 |
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Hurricane #1 (16-26 JUN) Storm - Max Winds: 80 Min Pres: 980 Category: 1 |







