While intensifying as a tropical storm, the National Hurricane Center faced difficulties in the future track of Jeanne, based on two major divergences between computer hurricane models.
The agency noted uncertainty in the future track of the storm, due to interaction with Tropical Storm Eric east of Madagascar, and Fanele was located within an area of weak steering currents.
An emerging picture of a possible design of a future tracking detector is presented.
Nurmi's achievements and training methods inspired future track stars of many generations.
While competing for Temple University's track team, he won the AAU 100-meter dash in 1935, defeating a field that included future track Hall of Famers Jesse Owens and Ralph Metcalfe.
As Ethel neared landfall, forecasters within the United States Weather Bureau were unsure of the future track and intensity of the hurricane due to the unusual strengthening and weakening.
Early in its life, forecasters had difficulties regarding the future track and intensity of Danielle, including a northeastward motion instead of its loop.
"It should be possible to do total population counts and in the future track the trajectory of those populations," he told the Inside Science programme on BBC Radio 4. The breakthrough is in part down to the capability of the latest hi-res satellites.
