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Tropical Cyclone Position

Bulletin updated at 23:17 HKT 02/Sep/2010

Tropical Storm LIONROCK at 23:00 HKT 02 September 2010
( 23.9 N, 114.8 E, about 190 km north-northeast of Hong Kong )

Forecast Positions and Intensities
        Date time           Position       Classification     Maximum sustained wind
20:00 HKT 03 September 2010 23.9 N 111.1 E Low Pressure Area           40 km/h
Current Position and intensity

        Date time           Position       Classification     Maximum sustained wind
23:00 HKT 02 September 2010 23.9 N 114.8 E Tropical Storm              65 km/h
Past Positions and Intensities
        Date time           Position       Classification     Maximum sustained wind
20:00 HKT 02 September 2010 24.0 N 115.1 E Tropical Storm              65 km/h
17:00 HKT 02 September 2010 24.2 N 115.7 E Tropical Storm              65 km/h
14:00 HKT 02 September 2010 24.1 N 116.2 E Tropical Storm              65 km/h
11:00 HKT 02 September 2010 24.0 N 116.8 E Tropical Storm              75 km/h
08:00 HKT 02 September 2010 23.9 N 117.2 E Tropical Storm              75 km/h
05:00 HKT 02 September 2010 23.7 N 117.8 E Severe Tropical Storm       90 km/h
02:00 HKT 02 September 2010 23.4 N 118.3 E Severe Tropical Storm       90 km/h
23:00 HKT 01 September 2010 23.2 N 118.7 E Severe Tropical Storm       90 km/h
20:00 HKT 01 September 2010 23.1 N 118.9 E Severe Tropical Storm       90 km/h
17:00 HKT 01 September 2010 23.0 N 119.0 E Severe Tropical Storm       90 km/h
14:00 HKT 01 September 2010 23.0 N 119.2 E Severe Tropical Storm       90 km/h
11:00 HKT 01 September 2010 22.6 N 119.5 E Severe Tropical Storm       90 km/h
08:00 HKT 01 September 2010 22.3 N 119.5 E Severe Tropical Storm       90 km/h
05:00 HKT 01 September 2010 21.6 N 119.3 E Severe Tropical Storm       90 km/h
02:00 HKT 01 September 2010 21.4 N 119.3 E Severe Tropical Storm       90 km/h
23:00 HKT 31 August 2010 20.9 N 119.2 E Severe Tropical Storm       90 km/h
20:00 HKT 31 August 2010 20.7 N 119.1 E Severe Tropical Storm       90 km/h
17:00 HKT 31 August 2010 20.6 N 118.4 E Severe Tropical Storm       90 km/h
14:00 HKT 31 August 2010 20.5 N 118.0 E Severe Tropical Storm       90 km/h
11:00 HKT 31 August 2010 20.4 N 117.8 E Severe Tropical Storm       90 km/h
08:00 HKT 31 August 2010 20.3 N 117.6 E Severe Tropical Storm       90 km/h
05:00 HKT 31 August 2010 20.5 N 117.1 E Severe Tropical Storm       90 km/h
02:00 HKT 31 August 2010 20.6 N 117.0 E Severe Tropical Storm       90 km/h
23:00 HKT 30 August 2010 20.7 N 117.0 E Severe Tropical Storm       90 km/h
20:00 HKT 30 August 2010 20.8 N 117.0 E Severe Tropical Storm       90 km/h
17:00 HKT 30 August 2010 20.8 N 117.0 E Tropical Storm              85 km/h
14:00 HKT 30 August 2010 20.9 N 116.8 E Tropical Storm              85 km/h
11:00 HKT 30 August 2010 20.7 N 116.7 E Tropical Storm              75 km/h
08:00 HKT 30 August 2010 20.7 N 116.5 E Tropical Storm              65 km/h
05:00 HKT 30 August 2010 20.7 N 116.4 E Tropical Storm              65 km/h
02:00 HKT 30 August 2010 20.7 N 116.3 E Tropical Storm              65 km/h
23:00 HKT 29 August 2010 20.7 N 116.2 E Tropical Storm              65 km/h
20:00 HKT 29 August 2010 20.6 N 116.3 E Tropical Storm              65 km/h
17:00 HKT 29 August 2010 20.6 N 116.2 E Tropical Storm              65 km/h
14:00 HKT 29 August 2010 20.2 N 116.1 E Tropical Storm              65 km/h
11:00 HKT 29 August 2010 19.9 N 116.1 E Tropical Storm              65 km/h
08:00 HKT 29 August 2010 19.6 N 116.1 E Tropical Storm              65 km/h
05:00 HKT 29 August 2010 19.3 N 116.1 E Tropical Depression         55 km/h
02:00 HKT 29 August 2010 19.2 N 116.3 E Tropical Depression         55 km/h
23:00 HKT 28 August 2010 18.9 N 116.5 E Tropical Depression         55 km/h
20:00 HKT 28 August 2010 18.7 N 116.8 E Tropical Depression         45 km/h
17:00 HKT 28 August 2010 18.6 N 117.0 E Tropical Depression         45 km/h
14:00 HKT 28 August 2010 18.2 N 117.2 E Tropical Depression         45 km/h
11:00 HKT 28 August 2010 17.8 N 117.3 E Tropical Depression         45 km/h

Notes:

1. The uncertainties, based on average errors, of the latest analysed position and 24, 48 and 72-hour forecast positions are of the order of 30, 150, 250 and 350 kilometres respectively.

2. When Tropical Cyclone Warning Signal No. 1 or above is in force, the hourly analysed tropical cyclone position will be shown.

3. When the tropical cyclone is within the area bounded by 10-30N and 105-125E, the tropical cyclone track is updated eight times a day at 01, 04, 07, 10, 13, 16, 19 and 22 HKT about two hours after the time of observation.

4. When the tropical cyclone is beyond the area bounded by 10-30N and 105-125E but within the area bounded by 7-36N and 100-140E, the tropical cyclone track is updated twice a day at noon and midnight about four hours after the time of observation.

5. The past tropical cyclone track and analysed positions may be updated when additional data is received.

6. Short-term erratic departures of the tropical cyclone from the general direction of movement may occur from time to time. These departures are partly due to uncertainties in locating the centre of the tropical cyclone, and partly due to actual short-term variations in the direction and speed of movement of the tropical cyclone itself.


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