The foreign secretary was due to host his US counterpart as well as representatives from France, Germany and Ukraine in London today. But Marco Rubio pulled out late last night and now Lammy says ...

It must always be remembered that the Doppler velocity measured by the radar is only a component of the actual wind - the part that is blowing towards or away from the radar. The radar cannot measure ...

It is important to check warnings and tropical cyclone information when strong winds are forecast or when circular patterns of wind arrows are evident in tropical areas.