Typhoon outbreak No. 13 (Whale) No Major Impact on Japan Typhoon Data in 2020 – Weather News

09/27/2020 Japan, World

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2020/09/27 10:33 Weather News

At 9 o’clock on Sunday, September 27, the tropical low pressure developing in the sea near Minamitorishima became Typhoon No. 13 (whale).

As it moves north to eastern Japan, it is not expected to approach the Japanese archipelago. Some swells can reach the sea, but are not expected to be affected by rain or wind.

▼ Typhoon No. 13 September 27 (Sunday) 9:00
Area of existence off the coast of Nantori Island
Size class //
Force class //
Movement 10 km / h northwest
Central pressure 1002 hPa
Maximum wind speed 18 m / s (near center)
Maximum instantaneous wind speed 25 m / s

In the future, it is expected to move north without much development and shift to a tropical low pressure off the coast of Shikoku. Although the effect of a typhoon is small, there is a risk that rain and wind will intensify mainly on the Pacific side from 23-24 by stimulating the front line after switching to tropical low pressure.

Check the latest information from time to time.

Typhoon No. 10 has a large forecast circle, but this does not indicate the size or strength of the typhoon, but rather the uncertainty of its course.

Comparing the positions using simulation results calculated by meteorological institutions around the world such as Europe and the United States, there is a wide range of possible trajectories for Typhoon No. 10, from those oriented towards the Kinki region to those oriented towards Okinawa and Amami. . I get it.

It is important to consider all the possibilities and prepare for the worst case scenario for each region, as the impact on each region will vary greatly depending on the course.

Expected cumulative precipitation

Although Typhoon No. 12 is not expected to develop significantly, it may trigger activity from the autumn rain front that is stagnant in southern Honshu, or it may shift to temperate low-pressure nature and approach Honshu.

On the afternoon of the 21 (Monday), the area around the Kii Peninsula is likely to have the most rainfall, with heavy rains of more than 300mm expected in 48 hours through the night of the 24 (Thursday). Even in the Kanto region, the rain will mainly intensify on the Boso Peninsula, which is close to the front line, and heavy rains of 200mm or more are expected in many places.

Future power and heading will change depending on the relationship to the pressure valley in the sky approaching from the west, so check the latest forecast from time to time. Weather News will continue to monitor the impact and keep you informed.

Typhoon number in normal years

Typhoon No. 13 is the fourth typhoon to occur in September. Given that the average typhoon in September is 4.8, it can be said that the rate of occurrence is almost the same as in normal years.

This year, the total number of typhoons that occurred in July was two, which was very small, but in August there were seven typhoons that exceeded the annual average, so although the rate of occurrence is slow, we cannot be alert.

Under the pressure distribution from September to October of each year, the course of the typhoon tends to go towards Honshu. Recheck preparations for heavy rains and storms caused by typhoons.

Regarding the names of typhoons, 140 names proposed by the member countries of the international organization “Typhoon Committee” are prepared in advance and given in the order of appearance.

Typhoon No. 13’s name “Kujira” is a name proposed by Japan and is taken from the constellation “Kujira”.

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Typhoon outbreak No. 13 (Whale) No Major Impact on Japan Typhoon Data in 2020 – Weather News

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