1999 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 | Tropical Storm ARLENE | 11-18 JUN | 50 | 1006 | - | |
| 2 | Hurricane BRET | 18-25 AUG | 125 | 944 | 4 | |
| 3 | Hurricane CINDY | 19-31 AUG | 120 | 942 | 4 | |
| 4 | Hurricane DENNIS | 24 AUG- 8 SEP | 90 | 962 | 2 | |
| 5 | Tropical Storm EMILY | 24-28 AUG | 45 | 1004 | - | |
| 6 | Hurricane FLOYD | 7-19 SEP | 135 | 921 | 4 | |
| 7 | Hurricane GERT | 11-23 SEP | 130 | 930 | 4 | |
| 8 | Tropical Storm HARVEY | 19-22 SEP | 50 | 995 | - | |
| 9 | Hurricane IRENE | 12-19 OCT | 95 | 960 | 2 | |
| 10 | Hurricane JOSE | 17-25 OCT | 85 | 979 | 2 | |
| 11 | Tropical Storm KATRINA | 28 OCT- 1 NOV | 35 | 999 | - | |
| 12 | Hurricane LENNY | 13-23 NOV | 135 | 933 | 4 |
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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Hurricane LENNY (13-23 NOV) Storm - Max Winds: 135 Min Pres: 933 Category: 4 |
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Tropical Storm KATRINA (28 OCT-01 NOV) Storm - Max Winds: 35 Min Pres: 999 |
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Hurricane JOSE (17-25 OCT) Storm - Max Winds: 85 Min Pres: 979 Category: 2 |
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Hurricane IRENE (12-19 OCT) Storm - Max Winds: 95 Min Pres: 960 Category: 2 |
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Tropical Storm HARVEY (19-22 SEP) Storm - Max Winds: 50 Min Pres: 995 |
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Hurricane GERT (11-23 SEP) Storm - Max Winds: 130 Min Pres: 930 Category: 4 |
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Hurricane FLOYD (07-19 SEP) Storm - Max Winds: 135 Min Pres: 921 Category: 4 |
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Tropical Storm EMILY (24-28 AUG) Storm - Max Winds: 45 Min Pres: 1004 |
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Hurricane DENNIS (24 AUG-08 SEP) Storm - Max Winds: 90 Min Pres: 962 Category: 2 |
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Hurricane CINDY (19-31 AUG) Storm - Max Winds: 120 Min Pres: 942 Category: 4 |
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Hurricane BRET (18-25 AUG) Storm - Max Winds: 125 Min Pres: 944 Category: 4 |
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Tropical Storm ARLENE (11-18 JUN) Storm - Max Winds: 50 Min Pres: 1006 |












