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| Current Intensity Number | Mean Wind Speed (Knots) | Mean Wind Speed (MPH) | Mean Sea Level Atmospheric Pressure in Millibars (Atlantic) |
Mean Sea Level Atmospheric Pressure in Millibars (NW Pacific) |
Saffir-Simpson Category (Approx.) |
|---|---|---|---|---|---|
| 1 | 25 KTS | 29 MPH | |||
| 1.5 | 25 KTS | 29 MPH | |||
| 2 | 30 KTS | 35 MPH | 1009 mb | 1000 mb | |
| 2.5 | 35 | 40 MPH | 1005 mb | 997 mb | |
| 3 | 45 KTS | 52 MPH | 1000 mb | 991 mb | |
| 3.5 | 55 KTS | 63 MPH | 994 mb | 984 mb | |
| 4 | 65 KTS | 75 MPH | 987 mb | 976 mb | 1 |
| 4.5 | 77 KTS | 89 | 979 mb | 966 mb | 1 |
| 5 | 90 KTS | 104 MPH | 970 mb | 954 mb | 2 |
| 5.5 | 102 KTS | 117 MPH | 960 mb | 941 mb | 3 |
| 6 | 115 KTS | 132 MPH | 948 mb | 927 mb | 4 |
| 6.5 | 127 KTS | 146 MPH | 935 mb | 914 mb | 4 |
| 7 | 140 KTS | 161 MPH | 921 mb | 898 mb | 5 |
| 7.5 | 155 KTS | 178 MPH | 906 mb | 879 mb | 5 |
| 7.5 | 170 KTS | 196 MPH | 906 mb | 879 mb | 5 |
