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Typhoon heads to northeast Japan after causing some damage in south

6 Comments
By Mari Yamaguchi

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STC weather warnings across western Japan

1 ( +1 / -0 )

By international (WMO) definition "Tapah" is not strong enough to be classified a Typhoon. It remains a strong Tropical Storm. Certainly it has and will have the potential to wreak havoc along it's path. So, be prepared as if it were a real typhoon. (News outlets tend to exaggerate.)

-2 ( +2 / -4 )

Every international typhoon watch organisation, including JTWC, have all called it a typhoon, so, there we go. It is a typhoon. @Burgan, you need to read up:

https://public.wmo.int/en/About-us/FAQs/faqs-tropical-cyclones

2 ( +3 / -1 )

Every international typhoon watch organisation, including JTWC, have all called it a typhoon,

No actually the Joint Typhoon Warning Center called it a Tropical Storm, only JMA/JT called it a typhoon.

There is a difference in definitions, as there is no classification for a "tropical storm" in Japanese, the closest would be "ontai-tekiatsu" or tropical depression.

-3 ( +1 / -4 )

No, Brit is right. JTWC uses the names determined by the World Meteorological Organization (WMO) Tropical Cyclone Program. JTWC will add the tropical cyclone name in parentheses after the JTWC-designated tropical cyclone number only after the WMO-designated Regional Specialized Meteorological Center (RSMC) or Tropical Cyclone Warning Center (TCWC) names a cyclone. If the RSMC/TCWC has not yet named a cyclone, JTWC uses its TC number, spelled out, as a placeholder, i.e. "TS 16P (SIXTEEN). And since the topical cyclone was named, QED.

2 ( +3 / -1 )

JTWC will add the tropical cyclone name in parentheses after the JTWC-designated tropical cyclone number only after the WMO-designated Regional Specialized Meteorological Center (RSMC) or Tropical Cyclone Warning Center (TCWC) names a cyclone. If the RSMC/TCWC has not yet named a cyclone, JTWC uses its TC number, spelled out, as a placeholder, i.e. "TS 16P (SIXTEEN). And since the topical cyclone was named, QED.

JTWC will add the storm name, however, until it gets large enough to be a tropical storm, it will stay a number, after that it becomes a "named" storm and tropical storms get named as this one was.

It was NOT a typhoon to the JTWC Tropical Storm 18W (Tapah) Warning #16 Final Warning

Issued at 22/2100Z

And by the way, tropical cyclones are in the Indian Ocean area, and the southern hemisphere, east of the international date line. Otherwise they are hurricanes.

https://www.metoc.navy.mil/jtwc/jtwc.html

0 ( +0 / -0 )

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