TROPICAL CYCLONES IN 2011
TABLE 4.3
TROPICAL CYCLONE WARNING SIGNALS ISSUED IN HONG KONG AND NUMBER OF WARNING BULLETINS ISSUED IN 2011
SUMMARY
| Signal | No. of occasions | Total duration | |
| h min | |||
| 1 | 8 | 121 25 | |
| 3 | 5 | 80 5 | |
| 8 NW | - | - | |
| 8 SW | - | - | |
| 8 NE | - | - | |
| 8 SE | 1 | 11 30 | |
| 9 | - | - | |
| 10 | - | - | |
| Total | 14 | 213 0 | |
DETAILS
| Tropical cyclone | No. of warning bulletins issued |
Signal | Issued | Cancelled | |||
| Date/Month | Time* | Date/Month | Time* | ||||
| Tropical Storm Sarika | 23 | 1 | 10/6 | 09:40 | 11/6 | 07:15 | |
| Tropical Storm Haima | 77 | 1 | 20/6 | 21:35 | 22/6 | 05:45 | |
| 3 | 22/6 | 05:45 | 23/6 | 10:25 | |||
| 1 | 23/6 | 10:25 | 23/6 | 20:45 | |||
| Severe Tropical Storm Nock-ten | 35 | 1 | 28/7 | 08:40 | 28/7 | 18:45 | |
| 3 | 28/7 | 18:45 | 29/7 | 14:10 | |||
| 1 | 29/7 | 14:10 | 29/7 | 16:40 | |||
| Typhoon Nesat | 64 | 1 | 27/9 | 22:40 | 28/9 | 17:20 | |
| 3 | 28/9 | 17:20 | 29/9 | 04:40 | |||
| 8 SE | 29/9 | 04:40 | 29/9 | 16:10 | |||
| 3 | 29/9 | 16:10 | 30/9 | 00:20 | |||
| 1 | 30/9 | 00:20 | 30/9 | 06:25 | |||
| Severe Typhoon Nalgae | 35 | 1 | 2/10 | 10:40 | 3/10 | 06:40 | |
| 3 | 3/10 | 06:40 | 3/10 | 19:10 | |||
* Hong Kong Time (UTC + 8 hours)
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