Alert | N° | Date (UTC) | Max Rainfall (mm) | Pop >100mm or higher | 50-100 | 100-250 | 250-500 | 500-750 | 750-1000 | >1000 | Countries |
| 1 | 10 Oct 2021 06:00 | 92 | - | | - | - | - | - | - | Vietnam, China |
| 2 | 10 Oct 2021 12:00 | 134 | - | | - | - | - | - | - | Vietnam |
| 3 | 10 Oct 2021 18:00 | 156 | 270 thousand | | | - | - | - | - | China, Vietnam, Philippines, Laos |
| 4 | 11 Oct 2021 00:00 | 138 | 430 thousand | | | - | - | - | - | Taiwan, Vietnam, Philippines, Laos |
| 5 | 11 Oct 2021 06:00 | 198 | 1.6 million | | | - | - | - | - | Taiwan, Vietnam, Philippines |
| 6 | 11 Oct 2021 12:00 | 262 | 1.7 million | | | | - | - | - | Taiwan, Philippines, Thailand, Laos |
| 7 | 11 Oct 2021 18:00 | 157 | 1.2 million | | | - | - | - | - | Taiwan, Philippines |
| 8 | 12 Oct 2021 00:00 | 256 | 360 thousand | | | | - | - | - | Philippines, Thailand, Cambodia, Myanmar |
| 9 | 12 Oct 2021 06:00 | 151 | 80 thousand | | | - | - | - | - | China |
| 10 | 12 Oct 2021 12:00 | 528 | 34.8 million | | | | - | - | - | China, Taiwan, Japan, Vietnam, Hong Kong, Macao, Philippines, Myanmar, Laos, Thailand, Paracel Islands, India, Cambodia, Micronesia |