The seasonal anomalousness, as well sheer spatial extent, of upcoming record-shattering Western U.S. heatwave is genuinely startling. This will be associated with, by far, the strongest ridge ever observed during (at least) any Nov-Mar month. #CAwx#AZwx#NMwx#NVwx#UTwx#COwx
The Sierra Nevada and Southern Cascades in California just saw their fastest snowpack melt from late Feb to early March in recorded history.
Tahoe City Cross station lost 63 inches of snow depth in 13 days. Fallen Leaf Lake (South Lake Tahoe) went from 119% of normal snowpack on Feb 20 to 0% today. The entire snowpack there is gone.
NHC has completed its post-analysis and Tropical Cyclone Report for Hurricane #Melissa.
Melissa, one of the strongest hurricanes on record in the Atlantic basin, reached category 5 intensity (on the Saffir-Simpson Hurricane Wind Scale) with a minimum central pressure of 892 mb and brought catastrophic wind and storm surge impacts to portions of western Jamaica. Melissa’s slow motion also produced heavy rainfall and catastrophic flood impacts across portions of the Greater Antilles. As of the release of the report, Melissa is responsible for 95 fatalities.
The report is available at https://t.co/ysyBlHTvYC
All reports for the 2025 Atlantic hurricane season can be found at https://t.co/c52ijljbXV
Chaos on Donner Summit, California as darkness approaches—several crashes and cars spun out into the embankment heading eastbound on I-80 toward Truckee.
A powerful storm system ushers in flooding rains and storms to the West Coast, and heavy mountain snow from the Sierra Nevada and Cascades to the Rockies.
Another system will follow behind it from the west, keeping winter weather over this region through mid-week.
If you want the deepest, best snow on the planet over the next 10 days, head to California.
The 10 snowiest ski resorts worldwide will all be in California, with each expected to receive 130+ inches (330 cm) of snow.