Solar Impulse 2, the aircraft with a mission to fly across the world, driven by solar energy, finds itself grounded in Japan for the past three weeks in the face of some bad weather over the Pacific Ocean. The pilots are going to find it impossible to steer the aircraft through the Pacific because quite soon, daylight is going to become short over the region. The solar-powered aircraft needs to cross the Pacific and the Atlantic Ocean to complete its circuit around the world.
A landing in Japan was not on the cards for the plane, but it had to make a diversion in the first week of June in the face of a bad weather while flying from China to Hawaii.
If the plane is unable to make it across the Pacific or the Atlantic Ocean, it must find a permanent home for itself in Japan for it is too fragile to survive through the rough weather over the two oceans. In case the plane can make it to the US in time, it can put up in the permanent hangar the team owns in New York. It can then cross the Atlantic Ocean safely to complete its sojourn.
One of the pilots of the plane was supposed to steer it to Hawaii to complete the last leg of the ambitious journey, but a couple of forecasts by the meteorological department forced the mission to be grounded. The plane is going to have to fly through clouds. It can do so for 10 hours without stopping, but it needs to recharge itself with solar energy after that.