The end of June ushered in the first tropical cyclone of the year. The Observatory predicts that tropical storm Siamba will generally move towards the western coast of Guangdong in the next one or two days, and gradually intensify. .
Affected by its outer rainbands, it will bring squally showers and thunderstorms this long weekend. High winds can reach level 7 strong winds. Citizens should pay attention to safety and remember to bring umbrellas when going out.
▼October 13, 2021 Typhoon Compass hit Hong Kong with wind and rain, and some citizens went out to watch the waves▼
At 12 noon, Tropical Storm Siamba gathered about 710 kilometers south of Hong Kong and was expected to move north-northwestward at a speed of about 12 kilometers per hour, generally moving towards the western coast of Guangdong.
The observatory said that in the past few hours, Siamba has gradually moved to the north and strengthened slightly.
According to the current forecast path, as Siamba continues to approach the western coast of Guangdong, the local wind will gradually intensify tonight. At that time, the Observatory will consider issuing the No. 3 strong wind signal.
The Macao Geophysics and Meteorological Bureau stated that the tropical depression in the central part of the South China Sea has intensified into a tropical storm, and it is expected to move slowly to the northwest, generally heading towards the area from western Guangdong to Hainan Island. high.
Macao Meteorological Bureau: Siemba Ruocai's northerly path does not rule out a higher typhoon
In addition, it is expected that due to the development of another low-pressure area east of the Philippines, there will still be large variables in the strength and path of Siamba in the future. Chances of high wind.
According to the current forecast, the probability of the No. 8 typhoon being issued from tomorrow night to the early morning of the next day is low to moderate.
Hong Kong Observatory: Tomorrow there will be squally showers and thunderstorm highs with occasional Category 7 strong winds
The Hong Kong Observatory said that Siamba has gradually intensified and has been upgraded to a tropical storm. It will enter Hong Kong within a range of 400 kilometers tomorrow. The highest sustained wind speed near the center reaches 65 kilometers per hour. At that time, strong winds will blow from the northern part of the South China Sea and the coast of South China, and there will be swells in the sea. The outer rainbands will also bring squally showers and thunderstorms to the area.
Tomorrow is the July 1st handover holiday. The Observatory predicts that there will be squally showers and thunderstorms in Hong Kong. There will be strong winds of Category 7 occasionally in the highlands. There will still be squally showers and thunderstorms in the next two days of holiday. In the wind and rain, the urban temperature ranged from 26 to 29 degrees.
Four days of showers and thunderstorms expected next week
Affected by the active southerly air flow, the Observatory expects that the weather along the coast of Guangdong will continue to be unstable next week, and it will be generally cloudy for four consecutive days from next Monday (July 4), with occasional showers and thunderstorms.
The fastest time is to say goodbye to thunderstorms after the 24th solar term "Summer Solstice" (July 7), but there will still be a few showers over the weekend, so remember to bring a cover when you go out.
Mainland meteorological station expected to reach severe tropical storm level on Saturday
The Central Meteorological Observatory of the Mainland stated that the tropical depression in the South China Sea has developed into Tropical Storm Siam this morning. There are eight levels, the central minimum pressure is 998 hPa, and the seven-level wind circle has a radius of 100 to 150 kilometers.
The Meteorological Observatory predicts that Siamba will move north-westward at a speed of 10 to 15 kilometers per hour, and the intensity will gradually increase. The strongest on Saturday can reach the severe tropical storm level (10 to 11), gradually moving towards the east of Hainan Island to Guangdong. The western area is close to the coast.
▼European Centre for Medium-Range Weather Forecasts ECMWF forecast▼
▼US Global Forecast System GFS forecast▼
The U.S. forecasts that July 1 has been upgraded to a typhoon
With reference to European and American computer forecasting systems, there are still differences in intensity forecasts.
The European Centre for Medium-Range Weather Forecasts (ECMWF) predicts that the tropical cyclone will remain a tropical storm tomorrow, slightly intensify into a severe tropical storm the next day, and make landfall in the area of Zhanjiang on the same day.
The US Global Forecast System (GFS) predicts that the tropical cyclone has intensified into a severe tropical storm as soon as today, and further intensified into a typhoon on July 1, and moved towards the Haikou City area.
▼On October 9, 2021, the citizens of the tropical cyclone Lion Rock No. 8 typhoon were chasing the wind▼
Siamba typhoon | Siamba moves closer and intensifies as the Tropical Storm Observatory plans to change the No. 3 typhoon to hit the wind?
｜Hong Kong's first typhoon signal No. 1 takes effect this year, Macau is forecast to double-spin dance or change its path to hit the wind | The Observatory issued the first typhoon signal No. 1 this year to hit Macau 2 hours later | The Observatory said that the weather on 7.1 will gradually turn bad and the wind will strengthen and return Remember to bring an umbrella on Sunrise Street