The first moderate to strong atmospheric river (AR) of the season is on track for Central and Northern California. Let’s drill down on the details.
The main surge hits California Sunday-Monday (10/24-25). It’s preceded by 1-2 smaller waves with high snow levels.
|TAHOE ZONE||R/S LINE|
Overall, total precipitation through Monday could run +500% of normal for parts of Central and Northern California with flash flooding possible. Localized 8-11″ liquid totals possible in the deep purple color. Snowfall at higher elevations would be significant.
Impacts to UT, WY, CO
Looking down the road, moisture from this Pineapple Express should hit the mountains of UT, WY, and CO. The key timeframes to watch: