A dangerous windstorm starting Tuesday could bring widespread destruction and extreme fire risk to Southern California, with emergency services braced to provide a huge response.

The National Weather Service issued a critical fire risk alert for parts of Los Angeles and Ventura Counties, with the storm beginning on Tuesday afternoon and peaking early Wednesday. Winds will be above 60 mph and gusts could reach 80 to 100 mph in mountains and foothills.

Warm Santa Ana winds and very low humidity…