Day Night band visible imagery (0.7 µm) from NOAA-21 shows the characteristic signal of Aurora Borealis over southern Canada early in the morning (0722 UTC, below and 0903 UTC, above) on 12 September 2024 (Imagery is taken from the CIMSS VIIRS Imagery Viewer). Lunar illumination on 12 September was not present because the... Read More
LightningCast probabilities (from this website) over the Central Dense Overcast of Tropical Cyclone Bebinca in the western Pacific to the northwest of Guam, above, show increasing values (the island of Guam is center bottom of the imagery above): magenta are values of 75%. Lightning activity within the central core is often a... Read More
Francine became the 4th Hurricane of the Atlantic Tropical Cyclone season at 0000 UTC on 11 September (NHC advisory) 2024. The animation of True-Color imagery, above, from the CSPP Geosphere site, shows sporadic vigorous convection near the storm center in the hours before the hurricane designation. The Gulf of Mexico can be monitored... Read More
True-color imagery from the CSPP Geosphere site, above, is annotated to identify a wildfire in progress. This is one of several fires over Oregon, as evidenced by the widespread smoke that is present across the region. The animation below, shows the evolution during the day of the fires. Pyrocumulonimbus (PyroCB)... Read More
