The Santa Ana winds tend to cause the same corridors to burn over and over again. Experts say the region needs to adapt.

Pulse storms tend to form where there is weak vertical wind shear – that is, the direction and strength of the wind does not change much with height above the ground. When the conditions are right for ...

Read more about these maps. Please be aware that wind gusts can be 40 percent stronger than the average wind speeds presented here, and stronger still in thunderstorms and squalls.

The brightness and direction of the contours represents surface wind speed and direction. The colour is based on the surface (2m) temperature, and varies from dark blue below freezing, up to green at ...