'Frozen reservoir,' source of a third of California's water, is far below historical average.
Newest Earth science mission could extend the accuracy range of weather forecasts, fine-tune flood forecasts.
But given the state of long-range forecasting, climatologists admit that the glimmer could be a mirage.
Much of the country had to bundle up this week due to some unusually cold weather. Even in the deep South, residents struggled with temperatures in the low 20s. With the big chill comes the revival of an ominous phrase: "the polar vortex." The sinister-sounding label has been hard to escape.
Odds of a strong pattern of warm Pacific waters forming in time to bring winter rains are diminishing.
Weather experts say the next couple of weeks could be some of the worst in state history for wildfires caused by lightning strikes.
Utilities find that nothing drives water savings quite like giving you a peek at your neighbors' habits.
These insidious waves often seem to come out of nowhere and claim lives -- even on calm, sunny days. But how?
NASA's Mars Reconnaissance Orbiter and its high-powered HiRISE camera has been capturing extremely detailed pictures all over the surface of Mars for a few years now. MRO now reveals a number of surprising, curious, and often captivating landscape features, many of which have inferred the action of dynamic weather processes on Mars.
The record-breaking Australian summer of 2012–13 could not have happened without the human disturbances—greenhouse gases, aerosols and ozone—that underlie global warming. Australia’s experience may provide a clue about the future for dry continental areas like our own American West.