Tropical Storm Isaias heads for Hispaniola with heavy rain

Heavy rains drenched the eastern Caribbean as a weather system strengthened into Tropical Storm Isaias late Wednesday while it passed south of Puerto Rico and headed for Hispaniola carrying the threat of flooding and landslides.

Aerosols have an impact on the solar power yield in Europe

High up in the atmosphere, even the smallest particles lead to the formation of clouds. Air flows that carry Sahara dust to Europe also affect our weather. In the PermaStrom research project, a joint research team from Karlsruhe ...

New 'sun clock' quantifies extreme space weather switch on/off

Extreme space weather events can significantly impact systems such as satellites, communications systems, power distribution and aviation. They are driven by solar activity which is known to have an irregular but roughly ...

New space weather advisories serve aviation

A new international advisory system is working to keep aircraft crew and passengers safe from space weather impacts, thanks in part to the efforts of a team of CIRES and NOAA developers, forecasters, and scientists in Boulder, ...

Natural disasters contribute to holiday travel delays

Holiday travel is stressful enough—we know we're supposed to arrive at the airport early, give extra time to drive places, and expect delays. But what about checking the weather on the other side of the country, routing ...

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