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  • Spoiler alert: Computer simulations provide preview of upcoming eclipse
    on August 18, 2017 at 1:21 pm

    Scientists have forecast the corona of the sun during the upcoming eclipse. The findings shed light on what the eclipse of the sun might look like Aug. 21 when it will be visible across much of the US, tracing a 70-mile-wide band across 14 states. […]

  • Dramatic changes needed in farming practices to keep pace with climate change
    on August 3, 2017 at 1:59 pm

    Researchers investigating nutrients in runoff from agricultural land warn that phosphorus losses will increase, due to climate change, unless this is mitigated by making major changes to agricultural practices. […]

  • 'Hindcasting' study investigates the extreme 2013 Colorado flood
    on July 24, 2017 at 12:30 pm

    Using a publicly available climate model, researchers 'hindcast' the conditions that led to the Sept. 9-16, 2013 flooding around Boulder, Colo. and found that climate change attributed to human activity made the storm much more severe than would otherwise have occurred. […]

  • North American monsoon storms fewer but more extreme
    on July 20, 2017 at 11:32 pm

    The North American Monsoon now brings more extreme wind and rain to central and southwestern Arizona than in the past. Although there are now fewer storms, the largest monsoon thunderstorms bring heavier rain and stronger winds than did the monsoon storms of 60 years ago, according to new research. The dust storms, wind, flash flooding and microbursts that accompany monsoon storms can be a severe threat to people and property in Arizona. […]

  • Shifting storms to bring extreme waves, seaside damage to once placid areas
    on July 20, 2017 at 1:51 pm

    The world's most extensive study of a major stormfront striking the coast has revealed a previously unrecognised danger from climate change: as storm patterns fluctuate, waterfront areas once thought safe are likely to be hammered and damaged as never before. […]

  • New model projects an increase in dust storms in the US
    on July 17, 2017 at 1:10 pm

    A new statistical model predicts that climate change will amplify dust activity in parts of the U.S. in the latter half of the 21st century, which may lead to the increased frequency of spectacular dust storms that have far-reaching impacts on public health and infrastructure. […]

  • Warm winter events in Arctic becoming more frequent, lasting longer
    on July 11, 2017 at 4:15 pm

    Arctic winter warming events -- winter days where temperatures peak above 14 degrees Fahrenheit (minus 10 degrees Celsius) -- are a normal part of the climate over the ice-covered Arctic Ocean. But new research by an international team that includes NASA scientists finds these events are becoming more frequent and lasting longer than they did three decades ago. […]

  • Extreme coastal sea levels more likely to occur, new data, advanced modeling techniques suggest
    on July 7, 2017 at 5:38 pm

    Improving projections for how much ocean levels may change in the future and what that means for coastal communities has vexed researchers studying sea level rise for years, but a new international study that incorporates extreme events may have just given researchers and coastal planners what they need. The study uses newly available data and advanced models to improve global predictions when it comes to extreme sea levels. […]

  • A wave's 'sweet spot' revealed
    on June 29, 2017 at 2:17 pm

    For surfers, finding the 'sweet spot,' the most powerful part of the wave, is part of the thrill and the challenge. Now a researcher has found the exact location on the wave where a surfer gains the greatest speed to get the best ride. […]

  • The dust storm microbiome
    on June 27, 2017 at 2:54 pm

    The airborne dust carried in sand storms affects the health of people and ecosystems alike. New research suggests that part of the effect might not be in the particles of dust but rather in bacteria that cling to them, traveling many kilometers in the air with the storms. […]

  • Increased risk of ozone loss over the United States in summer, evidence shows
    on June 5, 2017 at 7:59 pm

    The protective stratospheric ozone layer above the central United States is vulnerable to erosion during the summer months from ozone-depleting chemical reactions, exposing people, livestock and crops to the harmful effects of UV radiation, research shows. […]

  • 2017 hurricane season follows year of extremes
    on June 1, 2017 at 4:44 pm

    The 2016 hurricane season started in January and ended 318 days later in late-November. Hurricane Matthew was the first Category 5 in a decade, the longest stretch without one since 1950. […]

  • Population only part of tornado casualty story
    on May 24, 2017 at 6:07 pm

    The strength of a tornado has a significantly larger effect than population on the number of casualties, new research concludes. […]

  • How atmospheric waves radiate out of hurricanes
    on May 16, 2017 at 1:08 pm

    Researchers believe they have found a new way to monitor the intensity and location of hurricanes from hundreds of miles away by detecting atmospheric waves radiating from the centers of these powerful storms. […]

  • Migratory seabird deaths linked to hurricanes
    on May 11, 2017 at 8:53 pm

    Stronger and more frequent hurricanes may pose a new threat to the sooty tern, a species of migratory seabird found throughout the Caribbean and Mid-Atlantic, a new study reveals. The study is the first to map the birds' annual migratory path and demonstrate how its timing and trajectory place them in the direct path of hurricanes moving into the Caribbean from the Atlantic. Climate change may increase the risk. […]

  • Global warming accounts for tripling of extreme West African Sahel storms
    on April 26, 2017 at 5:10 pm

    Global warming is responsible for a tripling in the frequency of extreme West African Sahel storms observed in just the last 35 years, an international team of experts has reported. […]

  • Study defines thunderstorm asthma epidemic conditions
    on April 19, 2017 at 3:24 pm

    Researchers are exploring new ways of predicting thunderstorm asthma outbreaks that may one day provide early warnings for health professionals. […]

  • A scientist and a supercomputer re-create a tornado
    on March 13, 2017 at 11:25 pm

    With tornado season fast approaching or already underway in vulnerable states throughout the US, new supercomputer simulations are giving meteorologists unprecedented insight into the structure of monstrous thunderstorms and tornadoes. One such recent simulation recreates a tornado-producing supercell thunderstorm that left a path of destruction over the Central Great Plains in 2011. […]

  • Asian carp and old Chicago waterways
    on March 7, 2017 at 4:29 pm

    Asian carp, currently confined to the Mississippi River system, are threatening to invade Lake Michigan and the Great Lakes through the Chicago Sanitary and Ship Canal. Researchers reaffirm that providing safe drinking water to Chicago residents must remain the number one priority; however, the Asian carp must be blocked to prevent them from getting into the Great Lakes. […]

  • Flashy first images arrive from NOAA's GOES-16 lightning mapper
    on March 6, 2017 at 5:21 pm

    Detecting and predicting lightning just got a lot easier. The first images from a new instrument onboard NOAA's GOES-16 satellite are giving NOAA National Weather Service forecasters richer information about lightning that will help them alert the public to dangerous weather. […]

  • Study targets warm water rings that fuel hurricane intensification in the Caribbean Sea
    on February 23, 2017 at 2:24 pm

    A new study deployed 55 aircraft ocean instruments from the National Oceanographic Atmospheric Administration's WP-3D aircraft. The purpose of the scientific mission was to measure ocean temperature, salinity, and currents to understand the structure of these warm-water eddies. […]

  • Broader updrafts in severe storms may increase chance of damaging hail
    on February 7, 2017 at 7:26 pm

    Strong updrafts -- currents of rising air -- in severe thunderstorms are a prerequisite for hail formation. The width of these updrafts may be an indicator of an increased hail threat, according to meteorologists. […]

  • Invasive sedge protects dunes better than native grass, study finds
    on January 25, 2017 at 5:07 pm

    An invasive dune plant has an advantage over its native counterpart: the invasive is better at preventing erosion of dunes during big storms, report investigators. […]

  • Natural hazards fatalities in Switzerland have been falling since 1946
    on January 25, 2017 at 4:59 pm

    Since 1946, events associated with natural hazards have claimed more than 1,000 human lives. Researchers have now compiled a database of these fatalities to analyze the development of casualty figures over time. […]

  • Why storms are becoming more dangerous as the climate warms
    on January 24, 2017 at 4:13 pm

    Researchers know that more, and more dangerous, storms have begun to occur as the climate warms. A team of scientists has reported an underlying explanation, using meteorological satellite data gathered over a 35-year period. […]

  • Extreme space weather-induced blackouts could cost US more than $40 billion daily
    on January 18, 2017 at 3:38 pm

    The daily US economic cost from solar storm-induced electricity blackouts could be in the tens of billions of dollars, with more than half the loss from indirect costs outside the blackout zone, according to a new study. […]

  • Changing atmospheric conditions may contribute to stronger ocean waves in Antarctica
    on January 13, 2017 at 8:56 pm

    A new study provides important details on the extent of sea ice, which can protect ice shelves from the impacts of ocean storms, in the Antarctic Peninsula. […]

  • Giant Middle East dust storm caused by a changing climate, not human conflict
    on January 13, 2017 at 8:54 pm

    Researchers have concluded that the most likely cause of a giant dust storm that struck the Middle East in 2015 was climate and unusual weather rather than conflict. […]

  • Large-scale tornado outbreaks increasing in frequency
    on January 6, 2017 at 9:29 pm

    The frequency of large-scale tornado outbreaks is increasing in the United States, particularly when it comes to the most extreme events, according to new research. […]

  • Increasing rainfall in a warmer world will likely intensify typhoons in western Pacific
    on January 4, 2017 at 8:44 pm

    An analysis of the strongest tropical storms over the last half-century reveals that higher global temperatures have intensified the storms via enhanced rainfall. Rain that falls on the ocean reduces salinity and allows typhoons to grow stronger. […]