Maximum gust peak speeds and maximum hourly mean winds with associated wind directions recorded at various stations when the tropical cyclone warning signals for Son-Tinh were in force

First passage [17 – 18 July]

At Bluff Head (Stanley) , Maximum Gust： ESE 76 km/hr ( 12:15 AM 18-Jul ); Maximum Hourly Mean Wind: ESE 49 km/hr ( 11:00 PM 17-Jul );
Maximum Hourly Mean Wind: ESE 49 km/hr ( 1:00 AM 18-Jul );
At Central Pier , Maximum Gust： ESE 72 km/hr ( 10:06 PM 17-Jul ); Maximum Hourly Mean Wind: ESE 38 km/hr ( 10:00 PM 17-Jul );
Maximum Hourly Mean Wind: ESE 38 km/hr ( 12:00 AM 18-Jul );
At Cheung Chau , Maximum Gust： ESE 87 km/hr ( 10:12 PM 17-Jul ); Maximum Hourly Mean Wind: ESE 63 km/hr ( 11:00 PM 17-Jul );
At Cheung Chau Beach , Maximum Gust： E 87 km/hr ( 9:52 PM 17-Jul ); Maximum Hourly Mean Wind: E 58 km/hr ( 11:00 PM 17-Jul );
Maximum Hourly Mean Wind: E 58 km/hr ( 12:00 AM 18-Jul );
At Green Island , Maximum Gust： ENE 81 km/hr ( 11:20 PM 17-Jul ); Maximum Hourly Mean Wind: ENE 43 km/hr ( 12:00 AM 18-Jul );
At Hong Kong International Airport , Maximum Gust： ESE 68 km/hr ( 7:42 PM 17-Jul ); Maximum Hourly Mean Wind: ESE 36 km/hr ( 11:00 PM 17-Jul );
At Kai Tak , Maximum Gust： ESE 65 km/hr ( 9:26 PM 17-Jul ); Maximum Hourly Mean Wind: ESE 31 km/hr ( 10:00 PM 17-Jul );
At King's Park , Maximum Gust： E 58 km/hr ( 11:22 PM 17-Jul ); Maximum Hourly Mean Wind: E 30 km/hr ( 12:00 AM 18-Jul );
At Lau Fau Shan , Maximum Gust： ESE 49 km/hr ( 10:44 PM 17-Jul ); Maximum Hourly Mean Wind: E 20 km/hr ( 4:00 AM 18-Jul );
At North Point , Maximum Gust： ENE 58 km/hr ( 8:07 AM 18-Jul ); Maximum Hourly Mean Wind: E 31 km/hr ( 9:00 AM 18-Jul );
At Peng Chau , Maximum Gust： E 68 km/hr ( 11:21 PM 17-Jul ); Maximum Hourly Mean Wind: E 41 km/hr ( 12:00 AM 18-Jul );
At Ping Chau , Maximum Gust： SE 31 km/hr ( 1:49 AM 18-Jul ); Maximum Hourly Mean Wind: ESE 7 km/hr ( 8:00 AM 18-Jul );
At Sai Kung , Maximum Gust： SE 67 km/hr ( 10:17 PM 17-Jul ); Maximum Hourly Mean Wind: SE 27 km/hr ( 11:00 PM 17-Jul );
At Sha Chau , Maximum Gust： ESE 59 km/hr ( 11:16 PM 17-Jul ); Maximum Hourly Mean Wind: ESE 38 km/hr ( 11:00 PM 17-Jul );
At Sha Lo Wan , Maximum Gust： SE 87 km/hr ( 10:31 PM 17-Jul ); Maximum Hourly Mean Wind: SE 31 km/hr ( 11:00 PM 17-Jul );
At Sha Tin , Maximum Gust： ENE 49 km/hr ( 12:08 AM 18-Jul ); Maximum Hourly Mean Wind: ESE 13 km/hr ( 11:00 PM 17-Jul );
At Shek Kong , Maximum Gust： ENE 58 km/hr ( 8:17 AM 18-Jul ); Maximum Hourly Mean Wind: E 22 km/hr ( 1:00 AM 18-Jul );
At Star Ferry (Kowloon) , Maximum Gust： ESE 70 km/hr ( 10:07 PM 17-Jul ); Maximum Hourly Mean Wind: E 34 km/hr ( 11:00 PM 17-Jul );
At Ta Kwu Ling , Maximum Gust： NE 58 km/hr ( 2:19 AM 18-Jul ); Maximum Hourly Mean Wind: E 16 km/hr ( 5:00 AM 18-Jul );
At Tai Mei Tuk , Maximum Gust： E 94 km/hr ( 2:08 AM 18-Jul ); Maximum Hourly Mean Wind: E 47 km/hr ( 10:00 PM 17-Jul );
At Tai Mo Shan , Maximum Gust： ESE 122 km/hr ( 11:37 PM 17-Jul ); Maximum Hourly Mean Wind: ESE 90 km/hr ( 12:00 AM 18-Jul );
At Tai Po Kau , Maximum Gust： ESE 67 km/hr ( 10:23 PM 17-Jul ); Maximum Hourly Mean Wind: ESE 34 km/hr ( 1:00 AM 18-Jul );
At Tap Mun East, Maximum Gust： E 87 km/hr ( 1:56 AM 18-Jul ); Maximum Hourly Mean Wind: E 52 km/hr ( 10:00 PM 17-Jul );
Maximum Gust： E 87 km/hr ( 1:57 AM 18-Jul );
At Tate's Cairn , Maximum Gust： ESE 101 km/hr ( 10:22 PM 17-Jul ); Maximum Hourly Mean Wind: ESE 54 km/hr ( 11:00 PM 17-Jul );
At Tseung Kwan O , Maximum Gust： ESE 43 km/hr ( 8:31 PM 17-Jul ); Maximum Hourly Mean Wind: ESE 16 km/hr ( 9:00 PM 17-Jul );
At Tsing Yi Shell Oil Depot , Maximum Gust： SE 67 km/hr ( 11:35 PM 17-Jul ); Maximum Hourly Mean Wind: ESE 22 km/hr ( 12:00 AM 18-Jul );
At Tuen Mun Government Offices , Maximum Gust： SSE 59 km/hr ( 3:26 AM 18-Jul ); Maximum Hourly Mean Wind: ESE 16 km/hr ( 9:00 PM 17-Jul );
At Waglan Island , Maximum Gust： ESE 88 km/hr ( 1:56 AM 18-Jul ); Maximum Hourly Mean Wind: E 56 km/hr ( 12:00 AM 18-Jul );
At Wetland Park , Maximum Gust： ESE 36 km/hr ( 4:18 AM 18-Jul ); Maximum Hourly Mean Wind: SE 13 km/hr ( 11:00 PM 17-Jul );
Ngong Ping, Wong Chuk Hang - data not available

Second passage [23 – 24 July]

At Bluff Head (Stanley) , Maximum Gust： SSE 43 km/hr ( 12:22 AM 24-Jul ); Maximum Hourly Mean Wind: SE 31 km/hr ( 4:00 PM 23-Jul );
At Central Pier , Maximum Gust： ESE 43 km/hr ( 9:35 AM 24-Jul ); Maximum Hourly Mean Wind: ESE 22 km/hr ( 9:00 AM 24-Jul );
At Cheung Chau , Maximum Gust： SE 68 km/hr ( 6:52 PM 23-Jul ); Maximum Hourly Mean Wind: ESE 43 km/hr ( 4:00 PM 23-Jul );
At Cheung Chau Beach , Maximum Gust： E 52 km/hr ( 3:44 PM 23-Jul ); Maximum Hourly Mean Wind: E 27 km/hr ( 4:00 PM 23-Jul );
At Green Island , Maximum Gust： S 75 km/hr ( 7:23 PM 23-Jul ); Maximum Hourly Mean Wind: ESE 36 km/hr ( 4:00 PM 23-Jul );
At Hong Kong International Airport , Maximum Gust： SE 56 km/hr ( 8:50 AM 24-Jul ); Maximum Hourly Mean Wind: SSE 30 km/hr ( 9:00 AM 24-Jul );
At Kai Tak , Maximum Gust： ESE 34 km/hr ( 6:10 PM 23-Jul ); Maximum Hourly Mean Wind: ESE 20 km/hr ( 4:00 PM 23-Jul );
Maximum Gust： E 34 km/hr ( 6:16 PM 23-Jul );
Maximum Gust： SE 34 km/hr ( 9:15 AM 24-Jul );
At King's Park , Maximum Gust： SSE 41 km/hr ( 9:05 AM 24-Jul ); Maximum Hourly Mean Wind: SSE 19 km/hr ( 9:00 AM 24-Jul );
At Lau Fau Shan , Maximum Gust： SSE 51 km/hr ( 7:37 PM 23-Jul ); Maximum Hourly Mean Wind: SE 25 km/hr ( 10:00 AM 24-Jul );
At North Point , Maximum Gust： E 30 km/hr ( 6:45 PM 23-Jul ); Maximum Hourly Mean Wind: E 14 km/hr ( 6:00 PM 23-Jul );
At Peng Chau , Maximum Gust： ESE 47 km/hr ( 3:44 PM 23-Jul ); Maximum Hourly Mean Wind: ESE 25 km/hr ( 4:00 PM 23-Jul );
Maximum Gust： SSE 47 km/hr ( 3:52 AM 24-Jul ); Maximum Hourly Mean Wind: SSE 25 km/hr ( 5:00 AM 24-Jul );
At Ping Chau , Maximum Gust： SSW 36 km/hr ( 4:20 PM 23-Jul ); Maximum Hourly Mean Wind: SSE 7 km/hr ( 5:00 PM 23-Jul );
At Sai Kung , Maximum Gust： S 72 km/hr ( 3:40 PM 23-Jul ); Maximum Hourly Mean Wind: SSE 34 km/hr ( 4:00 PM 23-Jul );
At Sha Chau , Maximum Gust： SSE 52 km/hr ( 1:08 AM 24-Jul ); Maximum Hourly Mean Wind: SSE 34 km/hr ( 6:00 AM 24-Jul );
At Sha Lo Wan , Maximum Gust： SE 51 km/hr ( 9:18 AM 24-Jul ); Maximum Hourly Mean Wind: S 20 km/hr ( 10:00 AM 24-Jul );
Maximum Gust： SW 51 km/hr ( 10:10 AM 24-Jul );
At Sha Tin , Maximum Gust： SSW 31 km/hr ( 3:41 PM 23-Jul ); Maximum Hourly Mean Wind: SSW 14 km/hr ( 4:00 PM 23-Jul );
At Shek Kong , Maximum Gust： SSE 31 km/hr ( 4:27 PM 23-Jul ); Maximum Hourly Mean Wind: SSE 12 km/hr ( 5:00 PM 23-Jul );
At Star Ferry (Kowloon) , Maximum Gust： ESE 43 km/hr ( 2:13 AM 24-Jul ); Maximum Hourly Mean Wind: ESE 22 km/hr ( 4:00 PM 23-Jul );
At Ta Kwu Ling , Maximum Gust： S 31 km/hr ( 4:02 PM 23-Jul ); Maximum Hourly Mean Wind: ESE 9 km/hr ( 10:00 AM 24-Jul );
At Tai Mei Tuk , Maximum Gust： SSE 63 km/hr ( 3:52 PM 23-Jul ); Maximum Hourly Mean Wind: SE 23 km/hr ( 4:00 PM 23-Jul );
At Tai Mo Shan , Maximum Gust： SE 76 km/hr ( 7:26 PM 23-Jul ); Maximum Hourly Mean Wind: SSE 56 km/hr ( 5:00 PM 23-Jul );
At Tai Po Kau , Maximum Gust： ESE 31 km/hr ( 10:35 AM 24-Jul ); Maximum Hourly Mean Wind: SE 16 km/hr ( 4:00 PM 23-Jul );
At Tap Mun East, Maximum Gust： SE 68 km/hr ( 4:01 PM 23-Jul ); Maximum Hourly Mean Wind: ESE 40 km/hr ( 4:00 PM 23-Jul );
At Tate's Cairn , Maximum Gust： S 62 km/hr ( 4:26 PM 23-Jul ); Maximum Hourly Mean Wind: S 38 km/hr ( 5:00 PM 23-Jul );
At Tseung Kwan O , Maximum Gust： E 30 km/hr ( 12:30 AM 24-Jul ); Maximum Hourly Mean Wind: S 12 km/hr ( 4:00 PM 23-Jul );
At Tsing Yi Shell Oil Depot , Maximum Gust： SSE 51 km/hr ( 7:26 PM 23-Jul ); Maximum Hourly Mean Wind: ESE 25 km/hr ( 4:00 PM 23-Jul );
At Tuen Mun Government Offices , Maximum Gust： SSE 58 km/hr ( 7:20 PM 23-Jul ); Maximum Hourly Mean Wind: SSE 20 km/hr ( 10:00 AM 24-Jul );
At Waglan Island , Maximum Gust： SE 51 km/hr ( 2:44 AM 24-Jul ); Maximum Hourly Mean Wind: SSE 40 km/hr ( 3:00 AM 24-Jul );
At Wetland Park , Maximum Gust： S 40 km/hr ( 7:39 PM 23-Jul ); Maximum Hourly Mean Wind: SSE 16 km/hr ( 10:00 AM 24-Jul );
Ngong Ping, Wong Chuk Hang - data not available