Extremely strong Typhoon No. 11 Sakishima Islands will be affected for a long time Warning of high waves until dawn tomorrow 4th (Weather forecaster Keiko Shiraishi September 03, 2023)-Japan Weather Association tenki.jp
Extremely strong Typhoon No. 11 The impact of Sakishima Islands will be prolonged, watch out for high waves until dawn on the 4th tomorrow
September 03, 2023 14:13
The very strong Typhoon No. 11 is expected to move south of Yonaguni Island, make landfall in Taiwan, and reach the Taiwan Strait on the 4th tomorrow. On the coasts of the Sakishima Islands, the effects will be lingering. Stay alert for high waves.
Typhoon No. 11 Prolonged impact on Sakishima Islands Watch out for high waves Heavy rain
At noon on the 3rd, Typhoon No. 11 is moving westward about 210 km south-southwest of Yonaguni Island at a speed of 15 km/h. The pressure in the center is 955hPa, and the maximum wind speed near the center is 45m/s, which is very strong.
Typhoon No. 11 will remain very strong for some time. In the future, it is expected to land in Taiwan and advance to the Taiwan Strait on the 4th tomorrow.
Mainly along the coast of the Sakishima Islands, the swell is becoming a big deal.
The coast of the Sakishima Islands is expected to be affected by Typhoon No. 11 for a long time. In the Miyakojima region, the wave warning period was initially set until noon on the 3rd, but was extended to the evening of the 3rd. In the Yaeyama region, watch out for high waves until dawn on the 4th.
Around noon on the 3rd today, rain clouds around Typhoon No. 11 developed over the Yaeyama region. Heavy rain of 49.0 mm was observed in Uehara of Iriomote Island in one hour until 12:18, and 40.0 mm in Ohara of Iriomote Island in one hour until 11:57 am.
In the Yaeyama region, heavy rain of 40 mm per hour is expected in many places through the evening. Watch out for flooding and flooding of low-lying land.
expected wave height
Expected wave heights on the 3rd (both with swells)
Sakishima Islands 7 meters
Okinawa main island region 4 meters
Expected wave heights on the 4th (both with swells)
Sakishima Islands 5 meters
Okinawa main island region 2.5 meters
It overlaps with the period of spring tide, and the tide level is high. In the Yaeyama region, pay attention to flooding and flooding due to storm surges on low land near the coast and river mouths. Especially in Ishigaki, the high tide will be at 9:30 pm today on the 3rd. The highest tide level (elevation) expected in the Ishigaki Island region is 1.3 meters from early evening to late evening.
Prepare for high waves and storm surges
In coastal areas, there is a risk of high waves and storm surges caused by typhoons, so it is necessary to be prepared while paying attention to the following three points.
First, above all, stay away from coastal areas where there is a risk of high waves and storm surges. Even if you are worried about the state of the sea and boats, please do not go to see them.
Second, check the time of spring tide and the time of high tide. When high waves and storm surges from a typhoon coincide with high tides, there is a risk of serious damage, such as flooding and inundation of roads around the coast.
Third, evacuate (move) while you can act safely. If the sea spray surpasses the seawall facilities and rushes onto the coastal road, there is a risk of flooding and making passage dangerous. Check traffic information such as road closures and speed restrictions frequently and evacuate early.
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2023-09-03 05:13:57
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