Storm Activity: Dec 13, 2021 - Dec 20, 2021
Dec 20 · 18:00 GMT 45 mph -- Tropical Storm
| Dec 20 | 18:00 GMT | 19.8 | 113 | 45 mph | -- | Tropical Storm | -- |
| Dec 20 | 12:00 GMT | 18.8 | 112.5 | 40 mph | -- | Tropical Storm | -- |
| Dec 20 | 06:00 GMT | 18.3 | 111.8 | 50 mph | -- | Tropical Storm | -- |
| Dec 20 | 00:00 GMT | 17.3 | 110.9 | 80 mph | -- | Typhoon | 1 |
| Dec 19 | 18:00 GMT | 16 | 110.6 | 105 mph | -- | Typhoon | 2 |
| Dec 19 | 12:00 GMT | 14.9 | 110.8 | 120 mph | -- | Typhoon | 3 |
| Dec 19 | 06:00 GMT | 14 | 110.7 | 140 mph | -- | Typhoon | 4 |
| Dec 19 | 00:00 GMT | 13.1 | 111.4 | 145 mph | -- | Typhoon | 4 |
| Dec 18 | 18:00 GMT | 12.5 | 112.2 | 165 mph | -- | Super Typhoon | 5 |
| Dec 18 | 12:00 GMT | 11.9 | 113.5 | 130 mph | -- | Typhoon | 4 |
| Dec 18 | 06:00 GMT | 11.2 | 114.8 | 125 mph | -- | Typhoon | 3 |
| Dec 18 | 00:00 GMT | 11 | 115.9 | 125 mph | -- | Typhoon | 3 |
| Dec 17 | 18:00 GMT | 10.7 | 117.3 | 115 mph | -- | Typhoon | 3 |
| Dec 17 | 12:00 GMT | 10.3 | 118.5 | 105 mph | -- | Typhoon | 2 |
| Dec 17 | 06:00 GMT | 10.1 | 119.9 | 110 mph | -- | Typhoon | 2 |
| Dec 17 | 00:00 GMT | 10 | 121.1 | 115 mph | -- | Typhoon | 3 |
| Dec 16 | 18:00 GMT | 10.2 | 122.5 | 125 mph | -- | Typhoon | 3 |
| Dec 16 | 12:00 GMT | 10.1 | 124.3 | 130 mph | -- | Typhoon | 4 |
| Dec 16 | 06:00 GMT | 9.9 | 126 | 150 mph | -- | Super Typhoon | 4 |
| Dec 16 | 00:00 GMT | 9.7 | 127.5 | 160 mph | -- | Super Typhoon | 5 |
| Dec 15 | 18:00 GMT | 9.4 | 128.9 | 130 mph | -- | Typhoon | 4 |
| Dec 15 | 12:00 GMT | 9.4 | 130 | 90 mph | -- | Typhoon | 1 |
| Dec 15 | 06:00 GMT | 9.1 | 131 | 80 mph | -- | Typhoon | 1 |
| Dec 15 | 00:00 GMT | 8.9 | 132.3 | 75 mph | -- | Typhoon | 1 |
| Dec 14 | 18:00 GMT | 8.8 | 133.3 | 70 mph | -- | Tropical Storm | -- |
| Dec 14 | 12:00 GMT | 8.5 | 134.5 | 65 mph | -- | Tropical Storm | -- |
| Dec 14 | 06:00 GMT | 7.6 | 135.3 | 65 mph | -- | Tropical Storm | -- |
| Dec 14 | 00:00 GMT | 7.4 | 136.9 | 60 mph | -- | Tropical Storm | -- |
| Dec 13 | 18:00 GMT | 6.8 | 138.6 | 50 mph | -- | Tropical Storm | -- |
| Dec 13 | 12:00 GMT | 6 | 139.8 | 40 mph | -- | Tropical Storm | -- |
| Dec 13 | 06:00 GMT | 5.2 | 141 | 35 mph | -- | Tropical Depression | -- |
| Dec 13 | 00:00 GMT | 5.1 | 141.7 | 30 mph | -- | Tropical Depression | -- |
Learn more about Super Typhoon Rai and the 2021 Western Pacific hurricane season in our hurricane archive.
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