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Archive: Thu Dec 2023

Observations of strong winds in the Gulf of Tehuantepec

Sentinel-1A’s overpass over the Gulf of Tehuantepec shortly after 0000 UTC on 13 December, shown above in a toggle with topography, corresponded with the beginning of an event of strong winds (colloquially called a “Tehuantepecker”) cause by funneling of wind through the Chivela Pass in the Sierra Madre mountains. At... Read More

Solar Wind reaches Earth

The Solar Ultraviolet Imager (SUVI) on GOES satellites revealed an equatorial coronal hole directed towards Earth on the 11th and 12th of December.  Coronal holes appear as dark areas in the extreme ultraviolet, or the 195 Angstroms band on SUVI. They appear dark because they are cooler and less dense regions... Read More