Strong easterly winds and low relative humidity have led to critical fire danger across Southern California for the first half of the week with winds peaking early Tuesday morning in a swirl of chaos with down trees, overturned semi-trucks, and plenty of school closures due to power shut-offs. Wind gusts were upwards of 50 mph across inland San Diego County locations and mountains. Sustained speeds have been between 20 and 30 mph for many areas as well. These offshore Santa Ana winds have removed moisture from the atmosphere and sunk relative humidity values, adding to the very dry conditions that can fan flames when wildfires start. MORE: https://www.cbs8.com/article/news/local/red-flag-warning-san-diego-sdge-power-shutoffs/509-9076d9c8-bc0a-4ecb-a4ab-641220b0fe12