| Option | R | D | L | S |
| Rainfall event | Rainfall Distribution | Land cover | Soil Depth | |
| H | Historical event |
|
|
|
| a |
| Actual distribution |
|
|
| 0 |
|
| Bared soil |
|
| 1 | 24-hour PMP | Type 1 | JAXA 2007 - 100 m resolution | Case 1 |
| 2 | 48-hour PMP | Type 2 | JAXA 2015 - 100 m resolution | Case 2 |
| 3 |
| Type 3 | JAXA 2015 - 50 m resolution | Case 3 |