cyclones

Cirrus clouds form from airborne ice particles. Credit: Zeng et al., 2023 Cirrus clouds are high-altitude (8–17 kilometers) clouds composed of pure ice particles. These clouds have a significant impact on the planet's climate by scattering incoming sunlight and absorbing Earth's emitted infrared radiation. In a new study, Zeng et al. discovered new details about how these wispy, hair-like clouds form in large storm systems.…

COWVR, at center, and TEMPEST, not shown, were installed aboard the International Space Station in late 2021 and since then have provided valuable weather data to forecasters tracking tropical cyclones. The two instruments are part of the U.S. Space Force STP-H8 demonstration mission. Credit: NASA NASA recently built two weather instruments to test the potential of small, low-cost sensors to do some of the work of bulkier,…

Cape Range cave in Northwestern Australia. Changes in the isotopic composition of the stalagmites in Cape Range and the Kimberley region in northern Australia reflect rainfall over Australia from tropical cyclones and the monsoon. Credit: Darren Brooks /Australian Speleological Federation, Perth, Australia A team of scientists, including those from Woods Hole Oceanographic Institution (WHOI), have combined stalagmites and…

Storm-weary California was getting little in the way of a reprieve this weekend, as the latest in a series of powerful winter storms trained its eye on the state. In a bulletin published Saturday, the National Weather Service warned of a “relentless parade of cyclones” barreling out of the Pacific toward California, which was expected to intensify the risk of flooding in some parts of the state this week. The first of five approaching atmospheric rivers — a stream of storms that will continue until about Jan. 19 — arrived…

Location maps for the corals (W3: coral from the Weizhou Island;LW4: coral from the Hainan Island) and the typhoon paths identified to affect Weizhou Island during 1984~2015 CE. Credit: Science China Press Recently, new areas of research have arisen because of environmental concerns since the Industrial Revolution that focus on vanadium cycling between the atmosphere, water and sediments. Vanadium has been widely recognized as a…

Climate change is modifying cyclone and fire regimes worldwide. Credit: NASA - CC BY 2.0 As strong winds and torrential rains inundate Australia's south-eastern coast, new research suggests that high intensity bushfires might not be too far behind, with their dual effects extending damage zones and encroaching on previously low-risk residential areas. …

Credit: Pixabay/CC0 Public Domain A pair of researchers at Fudan University's Department of Atmospheric and Oceanic Sciences and CMA-FDU Joint Laboratory of Marine Meteorology, working with one colleague from the University of North Carolina at Chapel Hill and another from the University of California San Diego, has found that weak tropical cyclones, also known as tropical storms, are growing stronger due to climate change.…

An aerial view of a tropical cyclone.Cosmic rays used to track and visualize tropical cyclones open the eye of the storm.For the first time, high-energy muon particles generated in the atmosphere have made it possible for researchers to examine the structures of storms in a manner that conventional visualization methods, like satellite imaging, cannot. This new method’s level of detail could help researchers simulate storms and associated weather effects. This could also result in earlier warning systems that are more…

The historical and future March climate change deltas calculated from Climate Model Intercomparison Project 6 results. The calculated difference in March sea ice concentration, surface temperature, and temperature and relative humidity at 700 hPa for the average current (1985–2014) minus the average historical (1886–1915) climate (panels a, c, e, g, respectively) and the average future (2070–2100) minus the average current climate (panels b, d, f, h).…

Hurricane Fiona over the Dominican Republic and Puerto Rico on Sept. 19, 2022, captured by NOAA's GOES-East satellite. Credit: CIRA/NOAA Three days after Hurricane Fiona struck Puerto Rico in mid-September, the National Weather Service issued an extreme heat advisory, warning that the heat index—which incorporates humidity to calculate perceived temperature—could reach up to 109 degrees.…