Jakarta, domclub Indonesia
–
Super Typhoon Ragasa is estimated to hit
Hong Kong
With a relatively high speed, Monday (9/22) night.
Local weather authority said it would issue a tropical storm warning at the level 1 at 12:20 noon and consider raising its level to a level 3 warning at night as the Topan Ragasa approaching the city at a relatively high speed.
At 05.00 Hong Kong time, Ragasa is known to be crossing the Luzon Strait with wind speeds around its center reaching 230 km/hour.
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“Because of the broad reach and fast movement speed, Ragasa will be a considerable threat to Guangdong Beach,” said Choy Chun-Wing, a senior scientific official at the weather fortune teller, quoted from SCMP, Monday (9/22)
In contrast to the typhoon Mangkhut that hit Hong Kong in 2018, Ragasa is expected to not fade significantly before approaching the city.Therefore, said Choy, the threat can be much greater.
Choy also warned the level of sea level in coastal areas, which were influenced by significant tidal waves, perhaps similar to what happened to Typhoon Hato in 2017 and Typhoon Mangkhut.The two typhoons triggered the highest warning signal number 10 in Hong Kong.
“The area submerged by floods due to Hato and Mangkhut will be flooded again,” said Choy, while urged residents in the region to make preparations.
He also said that the tropical storm is expected to be closest to Hong Kong on Wednesday (9/24) morning and residents “will not have a long time” to make preparations.
The maximum height of sea water recorded at the Observatory Quarry Bay tidal station when Typhoon Hato and Mangkhut approached Hong Kong reached 3.57 and 3.88 meters, making it the third and second highest in the record.
Low areas, such as Lei Yue Mun, Heng Fa Chuen, several villages in Tuen Mun, and Tai O, were flooded due to the typhoons.
Observatory also warned that local winds will gradually strengthen on Tuesday (9/23), with the conditions that are expected to quickly deteriorate immediately after.
“It is hoped that the winds of storms to tropical storms will dominate locally on Wednesday, and the wind may reach the speed of tropical storms off the coast and in the highlands,” said Choy.
“The weather will be bad with heavy rain accompanied by strong winds and lightning storms,” he added.
Impact on Indonesia
On Sunday (9/21), the Meteorology, Climatology and Geophysics Agency) issued predictions of the impact of the Ragasa tropical cyclone.
“Ragasa’s tropical cyclone is monitored in the East Philippine sea of Luzon Island with a maximum wind speed of around 100 knots (185 km/h) and a minimum air pressure of 925 HPA. The maximum wind speed of the Ragasa tropical cyclone increases in the next 24 hours to the 5 (five) category with movement to the west away from Indonesia,” wrote BMKG on Instagram, Sunday (21/9).
This tropical cyclone is estimated to have an indirect impact on extreme weather conditions and high waves in the territory of Indonesia.Areas that are expected to experience rain with moderate to heavy intensity due to Typhoon Ragasa are North Kalimantan, East Kalimantan and West Kalimantan.
Meanwhile, the waters of the Sangihe – Talaud Islands are expected to experience high sea waves between 1.25 to 2.5 meters.
(lom/mik)
[Gambas: domclub video]
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