McIDAS images of GOES-15 0.63 µm visible channel data (above; click image to play animation) showed the hazy signature of airborne glacial silt drifting southward out of the Copper River valley and over the adjacent waters of the Gulf of Alaska on 28 October 2014. The strong winds lofting the... Read More
A strong storm that contains the remnants of former central Pacific Hurricane Ana began to make landfall along the West Coast of North America on 27 October 2014 (12 UTC surface analysis). The 17-day animation of GOES-15 6.5 µm Water Vapor channel imagery, above, shows Ana emerging out of the Intertropical Convergence Zone, skirting south of Hawai’i, weakening... Read More
McIDAS images of GOES-15 (GOES-West) 0.63 µm visible channel data (above) showed the west-to-east progression of the lunar umbra (the Moon’s shadow) from a partial solar eclipse that occurred on 23 October 2014. The shadow was most obvious across the northern portion of the images, moving over Alaska, the Gulf of... Read More
A plot of the Advanced Dvorak Technique (ADT) intensity estimate for Ana (above) shows that the strength of the tropical cyclone fluctuated during its multi-day lifetime (storm track), initially becoming a strong Tropical Storm on 15 October, weakening on 16 October,... Read More
