A late-season tornadic outbreak occurred on Sunday November 17th over the Upper Midwest. The animation above shows MODIS Imagery — visible and 11 µm just as the severe weather was erupting over Illinois. Two different sets of severe weather reports are overlain: those... Read More

Mt. Etna, on Sicily in the Mediterranean Sea, erupted early in the morning on Nov 17th just before a Suomi/NPP overpass. The VIIRS Day/Night Band gives a clear view of the volcanic plume (and the light emitted by the lava in the caldera); thermal channels show a distinct hot spot: 360... Read More