Introduction to the Pineapple Express Storm
Southland residents making plans for the holiday may want to ensure they’ll be indoors, or armed with an umbrella, with forecasters predicting a Pineapple Express storm that will dump several inches of rain across most of the region.
Rain is expected to arrive in multiple waves starting late Tuesday and continuing through Saturday, with varying amounts each day, according to NBC4 Meteorologist Belen De Leon.The system will tap into an atmospheric river, bringing enhanced moisture and high snow levels.
Storm Timeline and Expected Rainfall
The storm will gift the heaviest rainfall on Christmas Eve, with periods of moderate to heavy rain likely. Possible hazards include flooding concerns, hazardous mountain conditions and could cause major travel disruptions.
The forecast prompted city officials on Friday to take preparations for the expected rainfall.
L.A. is anticipating rain next week with wind and highest rainfall expected on Christmas Eve and Christmas Day. The City is coordinating with the @NWSLosAngeles and closely monitoring the weather, with preparations already underway.
The first blast of rain could drop anywhere from 1 to 3 inches of rain in many areas, with mountains receiving up to 5 inches.
Second Round of Precipitation and Snow Levels
The second round of precipitation could drop another 1 to 2.5 inches, with another 4 inches possible in the mountains. Snow levels will also fall to about 6,000 feet.
"As for winds, strong and gusty southeasterly winds are likely, beginning Tuesday and continuing through Christmas Day,” according to the NWS. "The peak winds look to occur on Christmas Eve. There is a good chance that many areas will have at least advisory-level winds with some mountain areas possibly getting warning-level gusts. Overall, next week looks to be a very soggy and impactful holiday week. Given the significant amount of rainfall, there will likely be widespread hydrologic issues, including potential for mud and debris flows and widespread urban flooding. Also, there could be some significant winter weather issues up in the mountains. So, if traveling on Christmas Eve or Christmas Day, be prepared for impactful weather.’
Preparations and Warnings
Sign up for alerts at https://t.co/LQimztvByU
— Mayor Karen Bass (@MayorOfLA) December 19, 2025
The city is taking necessary precautions and urging residents to stay informed and prepared for the storm.
Conclusion
In conclusion, the Pineapple Express storm is expected to bring significant rainfall and potential hazards to the LA region. Residents are advised to stay indoors, carry umbrellas, and be prepared for possible flooding, hazardous mountain conditions, and travel disruptions. The city is taking necessary precautions and urging residents to stay informed and prepared for the storm.
FAQs
Q: What is the Pineapple Express storm?
A: The Pineapple Express storm is a weather system that taps into an atmospheric river, bringing enhanced moisture and high snow levels to the region.
Q: When is the storm expected to arrive?
A: The storm is expected to arrive in multiple waves starting late Tuesday and continuing through Saturday.
Q: What are the possible hazards associated with the storm?
A: Possible hazards include flooding concerns, hazardous mountain conditions, and major travel disruptions.
Q: How can I stay informed and prepared for the storm?
A: You can sign up for alerts and stay tuned to local news and weather reports for updates on the storm.
