| Warning Level | Color | Meaning | Response Level |
| Level IV | Blue | May or have been affected by tropical storm within 24 hours, the average wind above Level 6 in coastal areas or the mainland | Level IV |
| Level III | Yellow | May or have been affected by tropical storm within 24 hours, the average wind above Level 10 in coastal areas or the mainland | Level III |
| Level II | Orange | May or have been affected by tropical storm within 12 hours, the average wind above Level 10 in coastal areas or the mainland | Level II |
| Level I | Red | May or have been affected by tropical storm within 6 hours, the average wind above Level 12 in coastal areas or the mainland | Level I |