Tropical Cyclone
Arrangements when Hong Kong is affected by tropical cyclones are as follows:
| Tropical Cyclone Warning Signal | Arrangements |
|---|---|
| | Classes as Usual |
| No.8 and Above | |
| (a) still hoisted at 7 am | Morning sessions (9am-1pm) suspended |
| (b) still hoisted at 12nn | Afternoon sessions (2pm-6pm) suspended |
| (c) still hoisted at or after 4pm | Evening sessions (6:30pm-10pm) suspended |
| (d) hoisted during class or exam | Sessions suspended immediately |
| (e) hoisted before exam commences | Exam of the session postponed |
Rainstorm
Meanings of rainstorm warning signals hoisted by the Hong Kong Observatory are as follows:
- (a) Amber – gives alert to potential heavy rain, with flooding in some low-lying and poorly drained areas.
- (b) Red and Black – warn the public or heavy rain which is likely to bring about serious road flooding and traffic congestion.
- (c) Rainstorm warning signals are hoisted independent of other warning signals, including tropical cyclone warning signals and landslide warning signal.
Arrangements when rainstorm warning signals are hoisted are as follows:
| Rainstorm Warning Signal | Arrangements |
|---|---|
| | Classes as Usual |
| Black | |
| (a) still hoisted at 7 am | Morning sessions (9am-1pm) suspended |
| (b) still hoisted at 12nn | Afternoon sessions (2pm-6pm) suspended |
| (c) still hoisted at or after 4pm | Evening sessions (6:30pm-10pm) suspended |
| (d) hoisted during class or exam | Sessions suspended immediately |




