Mexico's Popocatépetl volcano has had a series of eruptions this week and NOAA satellites have been keeping a close watch. Learn more in this week's EarthFromOrbit video:
The Volcanic Ash Advisory Center Washington warned about a volcanic ash plume that rose up more thanA variety of NOAA satellite imagery is used to monitor volcanic eruptions like this one. For example,imagery from NOAA’s GOES East satellite combines data from five of its Advanced Baseline Imager channels to create an approximation of what the human eye would see from space. In this imagery, the volcanic ash cloud is apparent in relation to the surrounding clouds.
Similar to GeoColor imagery, the Visible Infrared Imaging Radiometer Suite onboard NOAA’s polar orbiting , provides TrueColor imagery that appears similar to what the naked eye would see from space. Additionally, the JPSS Ozone Mapping and Profiler Suite, or OMPS instrument, also measures smoke, ash and dust. Volcanic Ash Advisory Center
network, which is responsible for issuing volcanic ash advisories 24/7. VAAC forecasters use information from NOAA satellites to monitor clouds whose location, evolution and/or spectral properties are consistent with volcanic activity. The satellites can estimate the height of ash clouds, determine the extent of ash, and estimate the amount of ash present.
This collection of software developed by NOAA, in partnership with the University of Wisconsin‐Madison, generates alerts when volcanic unrest or an eruption is detected, and also automatically tracks and characterizes volcanic clouds. The alerts point to a web‐based report that includes information on cloud growth anomalies, a list of most likely source volcanoes, and relevant satellite imagery.
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