Roke Upgraded To Typhoon, Today’s Weather Forecast

Roke has increased strength to a typhoon and will cross the southern Japanese coastline in the next 24-30 hours bringing potentially devastating rains to the areas already hammered by Talas earlier this month. The system is expected to significantly weaken on crossing which should mean the strongest winds will only be along the southern coastline, TS strength(34-63kt) winds are still likely to be felt across much of Japan including at the Fukushima NPP, the system will begin extra tropical transtion after crossing pushing the higher wind boundary to the outer bands of the system albeit significantly weakended. The rain will be the problem again, recent microwave sat passes indicate significant potential for falls of 600mm+, precipitation this high should not be widespread and the eventual rainfall patern will depend greatly on the topography of the area of crossing-simply where the heaviest precipitation clouds are pushed into the high mountian ranges they will rain out the most. Kyushu will no doubt be hit hard again, models predict precipitation of 200mm+ for most of Japan(including the Fuku NPP) but only time will tell where the highest falls will occur. JMA have all manner of warnings out ahead of system as always and rain and wind can be monitored at the AMeDAS links, visit our Weather Resources Page

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