The heaviest Bay Area storm system in a string of three of them is forecast to bring with it Tuesday everything that might be ...

Wildfire aerosols travel thousands of kilometers to the Arctic, influencing ice cloud formation at warmer temperatures.

Heavy Sierra snow, steady rain and gusty winds are expected Tuesday in Northern California as the result of an atmospheric ...

After a very dry January for the Central Coast, rain is finally on the way. The rain this weekend, and perhaps into most of ...

The snow level will increase Friday night into Saturday. A rain-snow mix is likely over Donner Summit Friday night into early Saturday morning. That may change back over to wet snow for the summit on ...

If this late-week atmospheric river pattern shifts south, Sacramento's rain totals will increase. The same rule applies to snow chances around Lake Tahoe. If the northward trend continues, many of ...

An Atmospheric River in Northern California has brought plenty of overcast to the entire Central Coast. The weak ridge of high pressure from the south will increase daytime highs.

Ice nucleating particles as a kind of aerosols have a significant impact on the Arctic climate by promoting the formation of ...

Many water officials have seen cloud seeding as one possible fix for the U.S. West's extended drought, but a new federal ...

Light rain is back in the Bay Area on Friday but intensifies on Saturday with a moderate-strength atmospheric river, that may bring flooding to roads and smaller streams and creeks.

The long stretch of sunny and dry weather comes to an end on Thursday as clouds increase and Portland prepares for rain and ...

Wind and rain that started late Thursday and early Friday around Humboldt County is yet another atmospheric river hitting the North Coast. And it will stick around for several days.