2023-10-05 07:04:00
2023/10/05 16:04 Weather News
As of 3:00 p.m. on the 5th (Thursday), the powerful Typhoon No. 14 (Koinu) is moving westward through the Taiwan Strait. It is expected to continue moving westward while weakening in strength and turn into a tropical cyclone on the 8th (Sunday).
▼Typhoon No.14 October 5th (Thursday) 15:00
Central location Taiwan Strait
Size class //
strength class strong
Move west 10 km/h
Central pressure 975 hPa
Maximum wind speed 35 m/s (near the center)
Maximum instantaneous wind speed 50 m/s
» Latest typhoon information
Sakishima Islands is on alert for stormy weather including high waves and strong winds
Wind forecast 4th (Wednesday) 9am
Today, when the typhoon is closest, the winds will be stronger, with an average speed of around 20m/s, and strong winds that can exceed 30m/s at times, so we need to be on guard.Also, with the addition of rain, the rain will be pouring down, so try to avoid going out as much as possible during times when the wind is at its peak.
» Radar Wind Mode (Wind Flow)
Please be careful when enjoying the sea as the swells remain.
As the typhoon moves away, the high waves at sea are gradually calming down. Still, it takes a while for things to calm down.
Tomorrow, the 6th (Friday), swells will remain in the Sakishima Islands, so please continue to be careful when doing activities near the sea.
» Radar Wind Mode (Wind Flow)
Each thin line in this diagram represents the result of a simulation of the course calculated by meteorological agencies around the world. These members are obtained through the process of ensemble forecasting, and are shown here to illustrate that there is a wide range of possible paths.
Most members have the same tendency to move northeast, but some members change course to the east or north from around the coast of Tokaido, suggesting that their movements may become complicated.
According to the Japan Meteorological Agency’s typhoon forecast, the size of the forecast circle where there is a 70% probability that the center will be in the center is 210 km as of 21:00 on the 7th (Thursday), 48 hours into the future. This is the largest 48-hour forecast circle for a typhoon to date, and it can be said that the uncertainty in the path is extremely large. Note that the size of the forecast circle has nothing to do with the strength or size of the typhoon.
If it approaches Honshu, the impact may be greater, so please pay close attention to future information.
Probability of entering the storm area of a typhoon
The following are the prefectural forecast areas where the probability of entering the typhoon’s storm region within the next 5 days is 3% or higher. (Japan Meteorological Agency)
Okinawa main island region
Northern/central southern main island 1%
Kerama/Aguni Islands 1%
Kumejima 2%
Miyakojima region 17%
Yaeyama region
Ishigaki Island region 28%
Yonagunijima region 24%
The number of typhoons in September is the lowest on record
Number of typhoons in a normal year
This is the second typhoon to occur in September, with the only occurrence being Typhoon No. 13 on the 5th (Tuesday). This is the lowest number of typhoons in September, equaling 1951, 1973, and 1983.Although October is a time when there are fewer typhoons, there are still three or more that occur in a normal year. There are still many typhoons affecting the Japanese archipelago, so please review your typhoon and heavy rain countermeasures.
» Radar satellite cloud image mode
typhoon name
There are 140 typhoon names proposed by member countries of the international organization “Typhoon Commission,” and they are assigned in the order in which they occur.
The name “Koinu” for Typhoon No. 14 was proposed by Japan, and the name comes from the constellation “Canis Minor,” a puppy dog.
» Radar typhoon mode
Reference materials etc.
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