TO ESTIMATE CURRENT INTENSITY| STAGE | DESCRIPTION | INTENSITY | SEA LEVEL PRESSURE | CI NUMBER |
| 0 | WARNING | 15kt/28kph | 1008mb | 0 |
| 1 TC FORMATION | ALERT | 20kt/37kph | 1004mb | 1.0 |
| 2 DEPRESSION
| MINIMAL | 25kt/46kph | 1002mb | 1.5 |
| 3 | STRONG
| 30kt/56kph | 1000mb | 2.0 |
| 4 STORM
| MINIMAL | 35kt/65kph | 997mb | 2.5 |
| 5 | STRONG | 45kt/83kph | 991mb | 3.0 |
| 6 | INTENSE | 55kt/102kph | 984mb | 3.5 |
| 7 TYPHOON
| CATEGORY 1 | 65kt/120kph | 976mb | 4.0 |
| 8 | 1-2 | 77kt/143kph | 966mb | 4.5 |
| 9 | 2-3 | 90kt/167kph | 954mb | 5.0 |
| 10 | 3 | 102kt/189kph | 941mb | 5.5 |
| 11 | 4 | 115kt/213kph | 941mb | 6.0 |
| 12 SUPER
| 4 | 127kt/235kph | 924mb | 6.5 |
| 13 | 5 | 140kt/259kph | 898mb | 7.0 |
| 14 INTENSE
| 5 | 155kt/287kph | 879mb | 7.5 |
| 15
| 5 | 170kt/315kph | 858mb | 8.0 |
NOTE: CATEGORY 1 (64-83KT); CATEGORY 2 (84-96KT); CATEGORY 3 (97-113KT); CATEGORY 4 (114-135KT); CATEGORY 5 (136+KT)
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