H
香港政府
GIS
新聞處
DAILY INFORMATION BULLETIN
Sunday, April 1, 1973
NEW TROPICAL CYCLONE WARNING SIGNALS
The Director of Royal Observatory reminded members of the public
today that the new tropical cyclone warning signal system was now in use.
The former Nos. 5, 6, 7 and 8 signals have been replaced by a uniformed
No. 8 signal accompanied with directional denotations in both oral and written
weather reports.
No. 5 signal has been renamed No. 8NW signal. Its symbol is an
upward triangle and the lights are white-green-green,
No. 6 signal has become No. 8SW. The symbol is an inverted triangle
and the lights are green-white-white.
No. 7 signal has been renumbered No. 8NE. The symbol is two vertical
upward triangles and the lights are green-green-white.
No. 8 signal now reads No. 8SE. The symbol is two vertical inverted
triangles and the lights are white-white-green.
All these signals are used as warnings of gales and storms from the
"Gale" means winds with average mean speed of 34-47
various directions.
knots, and "storm" means winds with average mean speed between 48-63 knots.
The other signals, that is Nos. 1, 3, 9 and 10, remain unchanged and
are still in use.
The Director
Issued by Government Information Services, Beaconsfield House, Hong Kong. Tel: 5-233191
PRH 7