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Articles sur Weather forecasting

Affichage de 61 à 80 de 119 articles

Images created by NASA with satellite data helped the U.S. Department of Agriculture analyze outbreak patterns for southern pine beetles in Alabama, in spring 2016. NASA

Can scientists learn to make ‘nature forecasts’ just as we forecast the weather?

Big data open-access publishing and other advances offer ecologists the ability to forecast events like pest outbreaks over days and seasons rather than decades. But scholars need to seize this opportunity.
Knowing about hailstones in advance would be preferable. AAP Image/Dan Peled

All hail new weather radar technology, which can spot hailstones lurking in thunderstorms

New “dual-pol” weather radars promise to spot large hailstones forming inside thunderstorms, giving people a heads-up when it’s about to hail.
Cape Town’s drought and associated water shortage has escalated disaster level. Flickr

Why Cape Town’s drought was so hard to forecast

Cape Town promised alternative water sources with the ongoing drought being declared a disaster. Its main strategy is water rationing but climate models are also being used.
The rainfall from Harvey has now exceeded the amount from the previous record-bearer, Tropical Storm Amelia in 1978. AP Photo/Charlie Riedel

What made the rain in Hurricane Harvey so extreme?

An expert in extreme weather events explains why the rain – and thus flooding – associated with Hurricane Harvey has been ‘unprecedented.’
Hiscox and students practice for the big day with a weather balloon. Joshua Burrack

Scientist at work: Why this meteorologist is eager for an eclipse

Meteorology researchers across the country are prepping experiments for the mini-night the eclipse will bring on August 21 – two minutes and 36 seconds without the sun in the middle of the day.
All tropical cyclones in the 2012 Atlantic hurricane season, with their locations shown at six-hour intervals and color representing maximum wind speed. Cyclonebiskit/Wikipedia

Getting ready for hurricanes: 6 essential reads

Major hurricanes threaten millions of people and billions of dollars in property along the Atlantic coast. Here experts advise on preparing, understanding forecasts and recovering after a storm.
Debris litters the neighborhood where multiple members of the same family were killed in a tornado in Beauregard, Ala., March 5, 2019. AP Photo/David Goldman

Understanding tornadoes: 5 questions answered

Tornado forecasting has greatly improved in recent decades, but these dangerous storms can still take communities by surprise. Two meteorologists explain what causes tornadoes and how to stay safe.
Old weather diaries are becoming important in climate research. Linden Ashcroft/State Library of New South Wales

Delving through settlers’ diaries can reveal Australia’s colonial-era climate

High-quality climate records only go back to the start of the 20th century. But using handwritten letters, journals and tables, researchers have access to data going back to the 18th century.
Data about farms’ financial situation as well as the weather could help identify those most vulnerable to drought. Bidgee/Wikimedia Commons

Drought forecasting isn’t just about water – to get smart we need health and financial data too

Forecasting drought should be about more than weather – to help those likely to be hit hardest, we need financial and even health data too.
Hurricane Pali churns over the eastern Pacific on January 11. NASA Earth Observatory

Why are hurricanes forming in January?

January hurricanes are rare events, but two have already formed this month. Atmospheric scientist Adam Sobel explains the conditions that generated Pali and Alex.

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