A new model of geomagnetically induced currents revisits how space weather damaged a New Zealand grid transformer in 2001, and shows how much worse it could be in a space weather superstorm.
Editors’ Highlights
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What Will Redwood Trees Do Without Foggy Days?
Coastal California fog—a key source of water for the iconic redwood tree—has declined by a third. Can a trace gas, carbonyl sulfide, be used to assess the effect on plant productivity?
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Two Paired Eddies Travel Faster and Further Than One
The first observational evidence of dipole eddy pairs (modons) in the southern midlatitude ocean reveals that they move faster, live longer, and travel greater distances compared to single eddies.
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Space Weather: Exploiting Meteorology’s Toolkit
Space weather forecasting is benefiting, and can benefit much further, from concepts and tools already developed by the global meteorological community.
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Plotting the Pliocene Polar Front
Understanding changing conditions in the south polar oceans during the warm late Pliocene period may help predict the impact of contemporary warming.
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New Estimates of Ozone Transport in Extratropical Cyclones
Cross-tropopause ozone transport in midlatitude cyclones, coincident with dry air intrusions, is derived from satellite and reanalysis data organized in cyclone-centric coordinates.
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Mapping Extreme-Value Geoelectric Fields
To help mitigate magnetic storm interference on electric power grid operations, extreme-value geoelectric fields have been mapped across the mid-Atlantic United States.
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A Close-in Look at Saturn’s Periodic Space Bubble
When it comes to Saturn’s space environment, summer wins over winter in controlling the periodic flows of electrically charged particles and magnetic fields.
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Listening to the Clouds
The assimilation of cloud-cleared infrared data improves numerical weather forecasting, especially for hurricanes, by providing thermodynamic information in cloudy atmosphere.
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New Observations of Mysterious Radar Echoes
Exploring the relationship between solar extreme ultraviolet radiation flux and 150-km radar echoes.