NASA recorded the amount of rainfall between Jan. 8-10, 2018, and calculated the potential for landslides. At least 17 residents of southern California were killed by the deadly mudslides.
The Pineapple Express is as an atmospheric river, a large, slow-moving low-pressure center off the West Coast that taps into tropical moisture originating from as far south as the Hawaiian Islands.
DroneDeploy and The Nature Conservancy partnered to create California's Phones and Drones project, which allows citizens to help create a crowdsourced map of the California coast.
A study published in Nature Communications suggests that El NiÃ±o and La NiÃ±a weather patterns could lead to at least a doubling of extreme droughts and floods in California later this century. The study also predicts more-frequent extreme weather events.
California is in its fourth consecutive year of drought, which impacts water in the state in many ways. The main sources of consumable and agricultural water for California are underground aquifers, reservoirs and mountain snowpacks, but in recent years the volume of water in these sources has been decreasing.