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Tropical Cyclone Position

Bulletin updated at 21:30 HKT 18/Jul/2019

Tropical Storm DANAS at 20:00 HKT 18 July 2019
( 26.5 N, 123.8 E, about 1080 km east-northeast of Hong Kong )

Danas will move across the East China Sea in the next couple of days.
Forecast Positions and Intensities
        Date time           Position       Classification     Maximum sustained wind near centre
20:00 HKT 21 July 2019 39.4 N 130.0 E Extratropical Low           -
20:00 HKT 20 July 2019 35.4 N 126.9 E Tropical Storm              65 km/h
20:00 HKT 19 July 2019 31.2 N 124.8 E Tropical Storm              75 km/h
Past Positions and Intensities
        Date time           Position       Classification     Maximum sustained wind near centre
20:00 HKT 18 July 2019 26.5 N 123.8 E Tropical Storm              75 km/h
17:00 HKT 18 July 2019 26.1 N 123.9 E Tropical Storm              75 km/h
14:00 HKT 18 July 2019 25.6 N 124.0 E Tropical Storm              65 km/h
11:00 HKT 18 July 2019 24.9 N 124.0 E Tropical Storm              65 km/h
08:00 HKT 18 July 2019 23.5 N 124.4 E Tropical Storm              65 km/h
05:00 HKT 18 July 2019 22.5 N 124.3 E Tropical Storm              65 km/h
02:00 HKT 18 July 2019 21.7 N 124.3 E Tropical Storm              65 km/h
23:00 HKT 17 July 2019 21.0 N 124.3 E Tropical Storm              65 km/h
20:00 HKT 17 July 2019 20.6 N 124.2 E Tropical Depression         55 km/h
17:00 HKT 17 July 2019 19.9 N 124.2 E Tropical Depression         55 km/h
14:00 HKT 17 July 2019 19.0 N 123.7 E Tropical Depression         55 km/h
11:00 HKT 17 July 2019 18.7 N 123.4 E Tropical Depression         55 km/h
08:00 HKT 17 July 2019 18.2 N 123.4 E Tropical Depression         55 km/h
05:00 HKT 17 July 2019 17.7 N 123.2 E Tropical Depression         55 km/h
02:00 HKT 17 July 2019 17.6 N 123.3 E Tropical Depression         55 km/h
23:00 HKT 16 July 2019 17.6 N 123.4 E Tropical Depression         55 km/h
20:00 HKT 16 July 2019 17.6 N 123.8 E Tropical Depression         55 km/h
17:00 HKT 16 July 2019 17.3 N 124.5 E Tropical Depression         55 km/h
14:00 HKT 16 July 2019 17.1 N 125.9 E Tropical Depression         55 km/h
08:00 HKT 16 July 2019 17.0 N 126.7 E Tropical Depression         55 km/h
02:00 HKT 16 July 2019 17.0 N 128.7 E Tropical Depression         55 km/h
20:00 HKT 15 July 2019 16.9 N 130.6 E Tropical Depression         45 km/h

Notes:

1. The potential track areas, based on average errors, of the latest analysed position and 24, 48, 72, 96 and 120-hour forecast positions are of the order of 30, 125, 225, 325, 400 and 500 kilometres respectively.

2. When Tropical Cyclone Warning Signal No. 1 or above is in force, the tropical cyclone track, analysed positions and maximum sustained wind near centre are updated every hour. Meanwhile, the webpage will also display other information, including distance and bearing of the tropical cyclone relative to Hong Kong, and forecast moving direction and speed.

3. When the tropical cyclone is within the area bounded by 10-30N and 105-125E, the tropical cyclone track, analysed positions and maximum sustained wind near centre are updated eight times a day at 0:30, 3:30, 6:30, 9:30, 12:30, 15:30, 18:30 and 21:30 HKT, about one and a half hours after the time of observation. Meanwhile, the webpage will also display other information, including distance and bearing of the tropical cyclone relative to Hong Kong.

4. Within the area bounded by 7-36N and 100-140E but outside the area bounded by 10-30N and 105-125E, when there is an area of low pressure intensified into a tropical cyclone or a tropical cyclone has entered this area, the Observatory will issue the information of tropical cyclone track, analysed positions and maximum sustained wind near centre within two hours. The positions at 02:00, 08:00, 14:00 and 20:00 HKT and 72-hour forecast tracks will be updated four times a day at around 04:00, 10:00, 16:00 and 22:00 HKT respectively.

5. The past tropical cyclone track and analysed positions and maximum sustained wind near centre 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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