ENG-1964 — Page 353

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Appendix XXXVII

(Chapter 16: Royal Observatory)

Comparison of Storms that gave rise to Persistent Gales in Hong Kong in the 12 Years 1953-1964

WIND

Maximum

Date and Time of Occurrence of Maximum Wind (HK St T)

Number of

Mean

Name of

Storm

Maxi- Hours for

Associated

Hourly

Sequence

Minimum

mum

which

Velocity

Gust

Speed

(Speed in

(Knots) Exceeded

of Direction*

Pressure

Rainfall†

(Millibars)

(Inches)

Knots)

33 Knots

Day Hr

1953 Sept 18 19

Typhoon NE 42

'Susan'

75

8

N veered to

ESE

994.7

8.83

1954 Aug 29 14

Typhoon ENE 47

87

12

NNE veered

992.4

1.44

1

'Ida*

to ESE

Nov 6 13 Typhoon E 47

84

5

NNE veered

997.1

2.74

'Pamela'

to SE

1957 Sept 22 17 Typhoon NNE 59

101

14

N veered to

984.3

11.09

'Gloria'

SE

1960 June 9 02 Typhoon SSE 50

'Mary'

103

19

ENE veered

973.8

16.83

to SW

1961 May 19 11

Typhoon ESE 43

'Alice'

89

6

ENE veered

981.1

3.76

to SW

Sept 10 03

Severe

W 35

64

1

NNE backed

986.1

8.33

Tropical

to SW

Storm

'Olga'

1962 Sept 1 09

Typhoon N 68

'Wanda'

140

8

NNW backed

953.2

10.52

to NW and

then veered to S

J

1964 May 28 03

Typhoon ESE 35

82

3 ENE veered

991.9

11.83

&

'Viola'

to SSW

06

Aug 8 20 Typhoon NE 42 "Ida'

112

2

NNE veered

972.0

4.80

to SSE

Sept 5 13

Typhoon ESE 58

'Ruby'

122

6

N veered to

968.2

7.54

SW

Sept 10 22 Typhoon WSW 35

'Sally'

56

1

NNW backed

to SW

989.1

6.13

Oct 13 04 Typhoon N 46

94

8

'Dot'

N backed to

SW

977.3

13.04

* Sequence of wind direction during the time the speed exceeded 21 knots.

† In this table the rainfall is taken from the hoisting of local signals until 24 hours after the

last non local warning is effective.

NB: The above information is based on observations made at the Royal Observatory, Hong

Hong.