Recent news articles (such as this one) have noted the unusual warmth present in the surface waters of the Great Lakes. Clear skies over the western Great Lakes on Sunday 8 August allowed MODIS instruments to measure sea surface temperatures, and the warm temperatures are plain to see. These warm temperatures... Read More
(Click image for larger version)GOES-15 is observing from a vantage point above the Equator at 89.5 W and GOES-13 is observing from a vantage point above the Equator at 75 W. The two satellites therefore have slightly different perspectives of cloud scenes over the southeast United States. These different perspectives... Read More
The image loop above shows GOES-15 11-micron imagery every half hour as Tropical Depression #4 in the Atlantic strengthened to become a minimal Tropical Storm, gaining the name Colin in the process. The infrared imagery shows periodic bursts of convection with brightness temperatures colder than -70 C near the center... Read More
How can satellite data be used to focus one’s attention to the relevant portion of an airmass when isolated convection is developing? That was a salient question late in the day on 16 July when a few convective cells developed over the upper midwest. Visible imagery (above) shows the development... Read More
