AWIPS images of the GOES-11 6.7 µm water vapor channel (above) showed a very long and well-defined plume of moisture streaming northeastward from just north of the Hawaiian Islands to the Pacific Northwest on 07 January – 08 January 2009. The National Weather Service forecast office in Seattle,... Read More

GOES-12 visible (daytime) and 3.9 µm shortwave IR (night-time) images (above) showed a distinct swirl of clouds drifting northward across the Gulf of Mexico on 13 November – 14 November 2008. This cloud... Read More

AWIPS images of geostationary satellite water vapor channel data (above) showed a long moisture plume moving across the Pacific Ocean toward the west coast of the US on 02-03 October 2008. A comparison of GOES-11 water vapor channel data with POES (AMSU) and SSM/I Total Precipitable Water (TPW) products (below)... Read More

A series of low-level “outflow boundaries” was seen on GOES-13 visible imagery (above), propagating westward from the shield of high clouds associated with Tropical Storm Hanna, moving across the Bahamas on 03 September 2008. The air behind each of these pulses appeared to be quite dry, judging from the general... Read More