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Typhoon Lan the next megastorm

437 views · Published 19 October 2017 · 1:00 · Indexed 22 October 2026

Channel: Civil Disturbia · 2017 · News & Politics

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The Joint Typhoon Warning Center (JTWC) forecasts the storm to be near Tokyo on Oct. 23, as a Category 2 or 3 storm. If this occurs, this could test Tokyo's expensive flood control system by bringing a combination of heavy rain and storm surge flooding to the densely populated city. There is considerable uncertainty in a 5-day typhoon track and intensity forecast, however.

Computer model projections show that Typhoon Lan may grow to be a particularly large storm in the Northwest Pacific as it intensifies and moves toward Japan. Eventually, it will recurve out into the North Pacific, where some of its energy will interact with the jet stream (the river of fast-flowing air at high altitudes that helps steer weather systems), perturbing what has been a rather straight west-to-east airflow into a series of upper level waves or undulations. These dips, or "troughs" in the jet, as well as bulges or "ridges," will trigger changes in the weather across North America and beyond. 
SOURCE: http://www.usno.navy.mil/JTWC/

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