How will Super Typhoon Goni affect Vietnam? | News

11/01/2020 Vietnam



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The National Center for Meteorological and Hydrological Forecasts, at 1:00 p.m. on November 1, the center of Typhoon Goni was at about 13.5 degrees north latitude and 122.1 degrees east longitude, in the central region of the Philippines. The strongest wind in the area near the center of a strong storm is level 14, equivalent to a wind speed of 150 to 165 km / h, level 17.

Typhoon Goni Level 17 Seminars “Afflicted” About 30 Million Filipinos
It is forecast that in the next 24 hours, the typhoon will move in a northwesterly direction, every hour to travel 20-25 km and towards the East Sea.
As of 1:00 p.m. on November 21, the location of the storm was about 560 km southeast of the Hoang Sa archipelago. The strongest wind in the area near the center of a strong storm is level 10, equivalent to a wind force of 90-100 km / h, level 13.

Also according to the National Center for Hydrometeorological Forecasting and Master Truong Ba Kien, Institute of Meteorology, Hydrology and Climate Change, Storm Goni was strongest before going to the Philippines. As it passes through the islands of the Philippines it is already in the development stage and due to Goni’s small circulation, friction with the Philippine topography decreases before entering the South China Sea.

Entering the South China Sea, becoming the 10th storm this year, this storm will encounter cold seawater, dry air, poor circulation and interaction with the Atsani storm outside, so it is not possible to restructure. Circulation is as good as Typhoon No. 9. Typhoon Goni is forecast to change direction many times and move slower than Typhoon No. 9, so when it makes landfall, the possibility of only winds strong at level 8 – level 9, even weakening at tropical low pressure.

First image of super typhoon Goni devastates the Philippines with the force of “destruction”

Vietnam uses Japanese satellite images to forecast storms

According to forecaster Nguyen Thanh Binh, the National Center for Hydrometeorological Forecasting, no matter how immense storms form in the ocean, they cannot escape the “divine eye” of meteorologists. These are satellite images.

Today, continuous satellite images many times a day with different spectral bands will always monitor the formation and development of cloud areas in the ocean.

In the eyes of experts, they do not see it as a normal photo, but instead use image analysis techniques using specialized software to help them locate the mind of the storm, the range of danger zones of the storm. like the intensity of the storm.

In addition, information from satellites is also fed to the supercomputer system to generate information for modeling and forecasting storms in the coming weather.

“In Vietnam, we are using photos taken from Japan’s Himawari satellite every 10 minutes and observing up to 16 spectral channels once taken. So you understand why just sitting at the forecast center in Hanoi, the forecasters always update the storm information for hours, “shared reporter Nguyen Thanh Binh.



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