Severe Tropical Storm Ma-on Warning Bulletin

24 Aug 2022 / Hong Kong

Strong Wind Signal No.3 was issued in Hong Kong today (24 August) at 12:40pm local time. This means that winds with mean speeds of 41 to 62 km per hour are expected.

According to the Hong Kong Observatory Tropical Cyclone Warning Bulletin issued at 12:45 HKT today, at 1 pm Severe Tropical Storm Ma-on was estimated to be about 440 km southeast of Hong Kong (near 19.4 degrees north 117.0 degrees east) and is forecast to move west-northwest at about 25 km per hour in the general direction of the coast of western Guangdong.

The outer rainbands associated with Ma-on are edging close to the vicinity of the Pearl River Estuary. There will be squally showers and thunderstorms over Hong Kong later today and local winds will strengthen rapidly tonight. The Observatory will consider issuing the No.8 Gale or Storm Signal between 6pm and 9pm today. There will be rough to high seas and swells.

According to the present forecast track, Ma-on is expected to be closest to Hong Kong tomorrow morning and may skirt within about 200 km south-southwest of the territory, posing a considerable threat to the territory. Under the influence of storm surge and astronomical high tide, a high water level of around 3 metres above chart datum is expected at Quarry Bay between 5am and 9am tomorrow, or about 1 metre above the normal tide heights. The high water level may cause flooding in low-lying areas.

Ma-on will move in the general direction of the coast of western Guangdong today and tomorrow.

For further details and updates, as well as information about operations in Hong Kong, contact GAC Hong Kong at [email protected]

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