2023-08-30 13:24:00
2023/08/30 22:23 Weather News
At 21:00 on August 30 (Wednesday), a tropical cyclone developing near the Truk Islands became Typhoon Kilogy. Typhoon No. 9 and Typhoon No. 11 together make up three typhoons.
It is expected to weaken south of Japan, but it is possible that it will bring in damp air and bring heavy rain, so caution is required.
▼ Typhoon No. 12 August 30 (Wednesday) 21:00
Central location in the waters near the Truk Islands
Size class //
Strength class //
Movement North-North-West 10 km/h
Central pressure 1000 hPa
Maximum wind speed 18 m/s (near the center)
Maximum instantaneous wind speed 25 m/s
» Latest typhoon information
A tropical cyclone that loses strength south of Japan
Currently, there are two typhoons, Typhoon No. 9 (Saora) and Typhoon No. 11 (Haikui), and Typhoon No. 12 occurred on the southeast side of Typhoon No. 11.
Typhoon No. 12 is expected to move northwest as if to go around the Pacific high, and following coming closest to the Ogasawara Islands around Saturday, September 2, it will approach the sea south of Honshu. It is expected to become a force with a temporary storm area, but it is expected to weaken and lose strength following that, and it will turn into a tropical cyclone in the south of Japan at 21:00 on the 3rd (Sunday).
However, this course will bring moist air into the Japanese archipelago, so even if it becomes a tropical cyclone, there is a risk of heavy rain. Stay tuned for future information.
» Radar Wind Mode (Windflow)
Each thin line in this figure represents the simulation result of the course calculated by meteorological agencies around the world. The results (members) obtained in the process of the ensemble forecast method are posted to give an image of the wide range of possible paths.
We have almost all the simulation results that it will move northwest and reach the south of Honshu around September 3 (Sunday), so it seems that the predictions up to that time are relatively reliable. However, it can be seen that there are variations in the predictions of the course following it loses strength and becomes a tropical cyclone.
The error is expected to shrink as the days go by, so please pay attention to future information.
Probability of entering the storm zone of a typhoon
The following are the prefectural forecast areas where the probability of entering the storm zone of a typhoon within 5 days is 3% or more. (Japan Meteorological Agency)
Amami region 24 %
Okinawa main island region
Northern/Central/Southern Main Island 27 %
Kerama and Aguni Islands 29 %
Kumejima 27%
Daito Island area 9 %
Miyakojima region 23 %
Yaeyama region
Ishigaki Island 18 %
Yonaguni Island 11 %
The sixth typhoon occurred in August this year
Average number of typhoons
Typhoons No. 7, No. 9, No. 10, and No. 11 occurred in August of this year, and Typhoon No. 8 came from a hurricane that entered from the western longitude. Typhoon No. 12 is the 6th typhoon this month (the 5th to occur in the Northwest Pacific Ocean).The average number of typhoons in August is 5.7, which is the time of the year with the most typhoons. The number of typhoons this year is slightly lower than usual, but Weathernews forecasts that there will be at least 10 more typhoons by the end of the year.
As autumn approaches, the number of typhoons that affect the Honshu area is expected to increase.
» Radar Satellite Cloud Image Mode
typhoon name
Typhoon names are prepared in advance by member countries of the international organization “Typhoon Committee”, etc., and are given in order of occurrence.
Typhoon No. 12’s name “Kirogi” is a name proposed by North Korea (DPRK) and is taken from the Korean word for “cancer”.
» Radar Typhoon Mode
Reference materials, etc.
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