As part of the GOES-15 Post Launch Science Test, the satellite was placed into Super Rapid Scan Operations (SRSO) mode on 20 September 2010, providing images as frequently as every 1 minute during certain intervals of the day. McIDAS images of GOES-15 0.63 µm visible channel... Read More

A persistent ridge of high pressure aloft was keeping the interior of Alaska unusually cloud-free, as was evident on McIDAS images of GOES-11 0.65 µm visible channel data on 19 September 2010 (above). Temperatures at many stations across the region had been averaging about 10 degrees F above normal during... Read More

Severe thunderstorms that developed along an advancing cold frontal boundary during the pre-dawn hours of 18 September 2010, producing hail up to 1.75 inch in diameter in south-central Wisconsin (NWS Milwaukee/Sullivan news story). AWIPS images of 4-km... Read More

McIDAS images of GOES-11 0.65 µm visible channel data (above) revealed some interesting cloud features over the far eastern North Pacific Ocean on 17 September 2010: (1) a large “hole” in the stratoculumus cloud field, which contained an intersecting pattern of ship condensation trails (or “ship tracks”), and (2) a subtle train... Read More