Alert | N° | Date (UTC) | Max Rainfall (mm) | Pop >100mm or higher | 50-100 | 100-250 | 250-500 | 500-750 | 750-1000 | >1000 | Countries |
| 1 | 18 Jul 2021 00:00 | 100 | - | | - | - | - | - | - | China, Vietnam, Philippines |
| 2 | 18 Jul 2021 12:00 | 142 | 60 thousand | | | - | - | - | - | China, Vietnam, Laos |
| 3 | 19 Jul 2021 00:00 | 157 | - | | - | - | - | - | - | China, Vietnam, Philippines, Laos |
| 4 | 19 Jul 2021 12:00 | 130 | 5 thousand | | | - | - | - | - | China, Laos, Vietnam |
| 5 | 20 Jul 2021 00:00 | 195 | 10 thousand | | | - | - | - | - | China, Taiwan |
| 6 | 20 Jul 2021 12:00 | 157 | 270 thousand | | | - | - | - | - | China |
| 7 | 21 Jul 2021 00:00 | 101 | Few people | | | - | - | - | - | China, Philippines |
| 8 | 21 Jul 2021 12:00 | 215 | 310 thousand | | | - | - | - | - | China, Philippines |
| 9 | 22 Jul 2021 00:00 | 102 | 1 thousand | | | - | - | - | - | China, Philippines |
| 10 | 22 Jul 2021 12:00 | 140 | 680 thousand | | | - | - | - | - | China, Vietnam, Laos, Philippines |
| 11 | 23 Jul 2021 00:00 | 127 | 70 thousand | | | - | - | - | - | China, Vietnam, Laos, Philippines |
| 12 | 23 Jul 2021 12:00 | 156 | 1 million | | | - | - | - | - | Laos, Vietnam, China, Philippines |
| 13 | 24 Jul 2021 00:00 | 549 | 18.8 million | | | | | - | - | China, Taiwan, Vietnam, Laos, Philippines, Thailand, Cambodia |