When typhoons and "Extreme Conditions" affect Hong Kong, the following arrangements will apply:

Typhoon Signal / "Extreme Conditions"

Action to be taken

No. 1

To operate as normal

No. 3

To operate as normal

(a) Issued or in force

at 6:15 a.m. or thereafter

(b) Issued when classes or

examinations* are in session

(b) Issued when classes or

examinations* are in session

Pre-No.8

Special Announcement²/

Typhoon Signal No. 8 or above / "Extreme Conditions" Announcement

(a) Issued or in force at 6:15 a.m. or

before 11:00 a.m.

Morning Session

(classes and examinations* scheduled

between 8:30 a.m. and 1:30 p.m.) to close

(b) Issued or in force at 11:00 a.m. or

before 4:00 p.m.

Afternoon Session

(classes and examinations* scheduled

between 1:30 p.m. and 6:30 p.m.) to close

(c) Issued or in force at 4:00 p.m. or thereafter

Evening Session

(classes and examinations* that

start at or after 6:30 p.m.) to close

(d) Issued when classes or

examinations* are in session

All classes or examinations* will be

immediately suspended for the session.

(e) Issued before start of examinations*

Examinations* to be held in that

particular session should be postponed.

Lowering to No. 3 or below or

lowering all signals at any time

All classes or examinations* to resume

with the next session unless road or

other conditions remain adverse.

*Eaminations refer to internal examinations of MSTI.

1. "Typhoons" also refers to "Tropical Cyclones".

2. Where possible, the Hong Kong Observatory will issue an early alert (i.e. a "Pre-No. 8 Spercial Annnouncement") two hours prior to the hoisting of the No. 8 Typhoon Warning Signal.