Climate scientists have long watched the jet stream with fascination and growing concern. These rivers of air racing across our planet at altitudes of roughly 5-9 miles dictate much of our day-to-day ...

Something has shifted in the way climate scientists talk about their own work. The language has become noticeably more cautious, the caveats more pointed. Researchers who once trusted decades-old ...

The omega block is a weather term that describes the shape of the jet stream in the northern hemisphere: a curved upside-down "U" with two outward facing lines, which appears to resemble the 24th ...

Add Yahoo as a preferred source to see more of our stories on Google. Scattered showers are expected Wednesday in Napa County, amid an unusual global weather pattern. (Brant Ward/The Chronicle) The ...

The jet streams are high‐altitude, narrow bands of westerly winds that circumnavigate the globe near the tropopause and exert a controlling influence on weather and climate patterns. Variability in ...

While it's been cool and wet in the Miami Valley, there's a much different set up out west. A stubborn jet stream pattern has made its mark on the entire country recently. While we find ourselves in a ...

This week's question comes from Robinette, a Morning Brief reader in Fredericksburg, Virginia, who noticed a pattern in the local weather, "A few years back or maybe even longer, I started noticing ...