February is normally the wettest month of the year in downtown Los Angeles, when 3.8 inches of rain would usually fall. (Paul Duginski / Los Angeles Times)AdvertisementA strong polar jet stream girds the globe at higher latitudes, corralling the coldest Arctic air to the north. (Paul Duginski / Los Angeles Times)AdvertisementThe pattern also suggests windy conditions, with multiple “inside slider” systems creating strong surface pressure gradients, Swain says. Los Angeles has received 45% of its normal rainfall to date. But if March is a docile lamb instead of a roaring lion, Los Angeles finds itself in a deep, dry rainfall hole.

Source: Los Angeles Times February 21, 2021 01:00 UTC