What is a special typhoon warning at 20:28 on September 5?

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Special typhoon warnings are announced based on predictions of central air pressure and maximum wind speed when it is predicted that they will approach with a force that is only once in decades.

The standards will be announced for storms, storm surges and waves when the central pressure is below 930 hectopascals or when the maximum wind speed is expected to reach above 50 meters.



The central air pressure is less than 910 hectopascals and the maximum wind speed is more than 60 meters in Okinawa, Amami and Ogasawara Islands, where typhoons frequently come.

Difference from heavy rain special warning

This time, the special warning for heavy rain announced in heavy rain in July and last year's typhoon No. 19 etc. will be announced after heavy rain has already fallen and the situation has deteriorated extremely, but the special warning for typhoon is the center of the typhoon, The announcement is made 12 hours before reaching the target area.



However, if the typhoon becomes stronger than expected, it may be announced just before.



It is not safe where no special warning has been announced, so continue to exercise maximum caution and evacuate from dangerous areas.

Evacuate early without waiting for a special warning

When a special warning for typhoons is announced, warnings for storms, waves, and storm surges that have already been issued in the target prefecture or area will be special warnings.



For example, it is possible that a special warning for storm surges may be issued after the special warning for storms and waves.



Separately, in the event of record heavy rainfall, a special heavy rain alert may be announced.



However, it is difficult to move in a storm.



Move away from dangerous areas and evacuate before it becomes rainy or windy.



Typhoon No. 10 is approaching with unprecedented strength.



People who live near coasts, rivers, lower lands, and cliffs should try to evacuate as soon as possible without waiting for special warnings.