As of 06:00 on August 14 (Monday), Typhoon No. 7 (Ran) is moving northwest over the sea southwest of the Izu Islands and Hachijojima.
It will gradually approach the Japanese archipelago, and is expected to land on the 15th (Tuesday) tomorrow and pass through the Kinki region. Be especially vigilant in Shikoku, Kinki, and Tokai, which are close to the typhoon’s path. After that, as it moves north while changing its course to the east in the Sea of Japan, stormy weather is expected in Hokuriku and northern Japan.
The impact on transportation is expected to increase, mainly tomorrow, the 15th (Tuesday), so it is essential to check traffic information in addition to weather information in the second half of the Obon festival.
▼ Typhoon No. 7 Monday, August 14, 6:00
Central location Approximately 260km southwest of Hachijojima
Size class //
Strength class Strong
Movement Northwest 10 km/h
Central pressure 965 hPa
Maximum wind speed 40 m/s
Maximum instantaneous wind speed 55 m/s
» Latest typhoon information
The wind and rain will gradually intensify from this afternoon
Rain and wind forecast for the evening of the 14th (Monday)
Since the typhoon is expected to approach and make landfall with a strong wind area, strong winds will blow from Shikoku to Kinki and Tokai, which are on its course. Active rain clouds outside the typhoon will begin to form this evening, and winds and rain are expected to intensify from the Pacific coast. Even in the Kanto region, it rains extensively, and there are places where it hits sideways.Strong winds of over 40m/s are expected in strong coastal areas until the typhoon makes landfall tomorrow (Tue. 15), and maximum instantaneous wind speeds of 20 to 30m/s are expected in urban areas. To prevent outdoor objects from being blown away, it is necessary to take measures such as bringing them indoors today or fixing them firmly. Please refrain from going out during peak wind times as there is a risk of flying objects.
In addition, there are concerns about power outages due to strong winds, so advance preparation is essential.
Heavy rain of 500 mm or more expected in Kii Peninsula
Predicted cumulative rainfall
The rain is expected to intensify mainly in the areas near the center of the typhoon and on the east side, and the amount of rainfall is expected to increase.Especially along the mountains in southern Mie Prefecture, southern Nara Prefecture, and southern Wakayama Prefecture, rainfall is expected to increase due to the passage of active rain clouds surrounding the typhoon, as well as the moist wind from the southeast hitting the Kii Mountains. Masu. In some cases, linear rainfall belts may form, and rainfall exceeding 500 mm is expected locally.
Heavy rain of 200-300 mm is expected in the western part of the Tokai region, a wide area of the Kinki region, and the eastern part of Shikoku. . It is necessary to be vigilant against sediment disasters, rising water levels in rivers, and flooding.
Even in the Kanto region, which is far from the typhoon, 100 to 150 mm of rain is expected to fall mainly along the mountains due to the south wind blowing toward the typhoon, so please be careful.
The Pacific coast is in big trouble
Expected waves on the night of the 14th (Monday)
Waves and swells are already rising along the Pacific coast of western Japan and eastern Japan. The sea is expected to be rough as the typhoon continues to move northward with a strong force. High waves of 4m or more are expected from Kanto to Shikoku, and waves of 6m or more are expected to reach Tokai and Kinki.The coastal areas are dangerous, so please stay away from them. Also, even after the typhoon has passed, the waves will continue to be high for a while, so you can’t let your guard down.
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.
Comparing these members shows that the margin of error has become smaller over time. It suggests that most of the members approach and land in the vicinity of Tokai to eastern Shikoku. However, since there is still a range of predictions, it is necessary to consider countermeasures without excluding various possibilities.
Depending on the route taken, the impact on each region will vary greatly, but no matter which route you take, it is almost certain that the impact will be greater somewhere in the country during the Obon holidays. It is expected that the accuracy of the forecast will gradually increase, so please pay attention to future information.
Probability of entering the storm zone of a typhoon
Prefectural forecast areas where the probability of entering a typhoon storm area within 120 hours is 5% or more
Ishikawa Prefecture 8%
Fukui Prefecture 56%
Gifu Prefecture 20%
Aichi Prefecture 20%
Mie Prefecture 98%
Shiga Prefecture 74 %
Kyoto Prefecture 74%
Osaka Prefecture 89%
Hyogo Prefecture 84%
Nara Prefecture 97%
Wakayama Prefecture 99%
Tottori Prefecture 24%
Okayama Prefecture 25%
Tokushima Prefecture 43%
Kagawa Prefecture 25%
Kochi Prefecture 11 %
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. 7’s name, “Lan,” was proposed by the United States, and is taken from the Marshallian language (the Marshall Islands language of the Northwest Pacific), meaning “storm.”
» Radar Typhoon Mode
Video: Weather Report (posted from the Weather News app)
Reference materials, etc.
2023-08-13 22:00:00
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