The time between rainfalls has become longer and the rains occurred more erratically in the western U.S. during the last 50 years. Credit: Joel Biederman,…
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University of California, Irvine-led team reports that an increase in lightning will drive both wildfires and warming above Arctic Circle. In 2019, the National Weather…
March 23, 2021 The western United States is currently experiencing moderate to severe drought, and it is expected to worsen in upcoming months. Almost half…
People living in South Asia already experience potentially deadly heat waves, but these events will likely become more commonplace in the coming decades even if…
Despite a cold snap in February, low ice cover prevailed across the lakes in winter 2020-2021. In any given year, the formation, movement, and timing…
Measuring snow might seem straightforward, but each environment brings unique challenges for instruments. For example, snowfall in forests gets caught in branches or falls underneath…
(Left) Predicted change of ocean surface temperature in 2050-2099 relative to 1950-1999 using an ensemble of climate models. (Right) Predicted change in amplitude of rainfall…
A potent arctic weather system chilled much of the United States with frigid weather in mid-February 2021, shattering low-temperature records in the middle of the…
As this winter’s polar vortex currently sends extreme icy blasts of Arctic weather to some parts of the northern hemisphere such as the northeast of…
Dark clouds, the smell of rain on a hot sidewalk, the flashes of intense light followed by a loud crackling and then a low, rolling…
NASA studies the Earth and how it’s changing from the ground, the sky, and space. Credit: NASA’s Goddard Space Flight Center Earth’s global average surface…
In mid-January 2021, the Pacific Northwest of North America was soaked by several episodes of heavy rainfall, leading to widespread flooding and landslides. In mid-January…
Credit: Contains modified Copernicus Sentinel data (2021), processed by ESA, CC BY-SA 3.0 IGO The heavy snowfall that hit Spain a few days ago still…
Credit: Contains modified Copernicus Sentinel data (2021), processed by ESA, CC BY-SA 3.0 IGO Captured by the Copernicus Sentinel-2 mission on January 11, 2021, at…
January 11, 2020 Meteorologists declared it the largest snowfall in the region since 1971. Between January 7–9, 2021, a moist, low-pressure weather system over the…
The stratospheric potential vorticity field on February 10, 2018. The Stratospheric Polar Vortex is about to split in two, and the weakening of the vortex…
MIT scientists have discovered a new mechanism by which aerosols may intensify thunderstorms in tropical regions. Researchers identify a mechanism by which small particles in…
These AIM images span Dec. 8–Dec. 19, 2020, starting with AIM’s first observations of the Antarctic noctilucent cloud season. The colors — from dark blue…
December 19 – 21, 2020 As winter moisture rolls in from the Pacific Ocean and makes snow on the Sierra Nevada range, it also can…
Though air and sea temperatures worldwide have been quite warm in 2020, the eastern and central Pacific Ocean recently grew milder with the return of…