Typhoon Roke is forecast to strike Japan at about 22:00 GMT on 20 September.

by Tropical Storm Risk | Tropical Storm Risk
Wednesday, 21 September 2011 10:17 GMT

* Any views expressed in this article are those of the author and not of Thomson Reuters Foundation.

Typhoon Roke is forecast to strike Japan at about 22:00 GMT on 20 September.Data supplied by theUS Navy and Air Force Joint Typhoon Warning Centersuggest that the point of landfallwill benear32.8 N,135.6 E.Roke is expected to bring 1-minute maximum sustained winds to the region of around166 km/h (103 mph).Wind gusts in the area maybeconsiderably higher. According to the Saffir-Simpson damage scale the potential property damage and flooding from a storm ofRoke'sstrength (category 2)at landfall includes: Storm surge generally 1.8-2.4 metres (6-8 feet) above normal. Some roofing material, door, and window damage of buildings. Considerable damage to shrubbery and trees with some trees blown down. Considerable damage to mobile homes, poorly constructed signs, and piers. Coastal and low-lying escape routes flood 2-4 hours before arrival of the storm center. Small craft in unprotected anchorages break moorings. There is also the potential for flooding further inland due to heavy rain. The information above is provided for guidance only and should not be used to make life or death decisions or decisions relating to property. Anyone in the region who is concerned for their personal safety or property should contact their official national weather agency or warning centre for advice. This alert is provided by TropicalStorm Risk (TSR) which is sponsored by Benfield, Royal & SunAlliance,Crawford & Company and University College London (UCL). TSR acknowledges thesupport of the UK Met Office.