2023-08-16 22:55:00
2023/08/17 09:17 Weather News
Typhoon No. 7 (Ran) is moving north-northeast over the sea west of Otaru City today at 6:00 on Thursday, 17th.
In Hokkaido, you need to be careful of strong winds and high waves, especially on the Sea of Japan side. There may be occasional heavy rains.
9 o’clock postscript: There was a correction to the announcement from the Japan Meteorological Agency that it was expected to change to an extratropical cyclone at 6 o’clock on Friday, 18th.
▼ Typhoon No. 7 as of Thursday, August 17 at 6:00
Central location Approximately 260 km west of Otaru city
Size class //
Strength class //
Move north-north-east 30 km/h
Central pressure 990 hPa
Maximum wind speed 20 m/s
Maximum instantaneous wind speed 30 m/s
» Latest typhoon information
Beware of strong winds and high waves in Hokkaido
The typhoon is expected to move north over the Sea of Japan in the future. Since it passes relatively far from land, it is not expected to cause severe weather over a wide area of northern Japan.
Even so, the wind was getting stronger along the coast of Hokkaido, reaching 27.8m/s (4:41) at Yoneoka, 23.3m/s (6:36) at Kutchan, and 21.2m/s (7:19) at Esashi. Observing wind speed. As of 7:20, a storm warning has been issued for the Hiyama region.
As the typhoon moves northward, there is a risk of strong winds in northern Hokkaido at night.
In Hokkaido, you need to be careful of strong winds and high waves, especially in coastal areas. Also, please be aware that there are places where the rain will temporarily intensify due to the influence of the moist air that flows toward the typhoon.
» Rain cloud radar up to 30 hours ahead
» Pinpoint weather forecast
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 with a probability of 25% or more entering the storm zone of a typhoon within 120 hours
Toyama Prefecture 26 %
Ishikawa Prefecture 54 %
Fukui Prefecture 89 %
Gifu Prefecture 64 %
Aichi Prefecture 42 %
Mie Prefecture 100 %
Shiga Prefecture 94 %
Kyoto Prefecture 95 %
Osaka Prefecture 99 %
Hyogo Prefecture 96 %
Nara Prefecture 100%
Wakayama Prefecture 100%
Tottori Prefecture 35%
Okayama Prefecture 35%
Tokushima Prefecture 74%
Kagawa Prefecture 51 %
Kochi Prefecture 25 %
Watch out for high waves around the coast of the Sea of Japan
Waves rise mainly on the Sea of Japan side where the typhoon moves northward. As of noon today, it is expected to reach around 2m over a wide area from San’in to Hokuriku, and reach around 3m in some areas.
In the afternoon, the waves will gradually rise even in coastal areas in northern Japan, so please be careful.
Southerly winds are also strong on the Pacific side, and waves of around 2m are expected over a wide area from the Tokai to Kanto and northern Japan. Even if the typhoon is gone, you still need to be careful when enjoying leisure activities in the sea.
» Latest typhoon information
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.
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