UPDATE 1-Typhoon Phanfone churns toward Tokyo with heavy wind, rain
* Toyota plans to halt production at 12 Japan plants
* Over 150 flights cancelled, 18,500 households without power
* Search for people missing after volcano erruption suspended (Adds Toyota, Formula One race, updates storm impact data)
TOKYO, Oct 5 (Reuters) - A powerful typhoon was on course to hit the Tokyo area on Monday, after barrelling into southwestern Japan with heavy rain and wind that caused flights to be cancelled and knocked out power.
Typhoon Phanfone, which was downgraded from an earlier status of a super typhoon, is moving northeast at 25 kph (16 mph), after lashing parts of the Kyushu and Okinawa islands, the Japan Meteorological Agency said on Sunday.
About 30 cm (12 inches) of rain and heavy wind are forecast for eastern Japan, including the Tokyo metropolitan area.
"My school has already decided not to have classes tomorrow," said Tomoko Kakinuma, a 20-year old college student in Tokyo.
Toyota Motor Corp plans to halt production on Monday morning at 12 plants in Japan due to the storm, a company spokesman said.
On Sunday, several airlines, including All Nippon Airways and Japan Airlines Co, cancelled over 150 flights to several southern Japanese cities, broadcaster NHK said. Continuación...