Winds aloft keep Ariane 5 rocket on the launch pad

Tuesday's planned launch of the year's sixth and final Ariane 5 rocket from South America was postponed due to unfavorable high-altitude winds. Liftoff had been scheduled for 2126 GMT (4:26 p.m. EST) from the Kourou launch site in French Guiana, but the countdown was halted at the Minus-7 minute mark because of the winds aloft. After waiting a half-hour into the evening's 59-minute launch opportunity, officials declared a scrub for the day. More

(Source: Space Flight Now - Dec 29)