CIMSS
Posted by JAC on 5/10/2011, 5:46 am




An AWIPS image of the MODIS 6.7 m "water vapor channel" with an overlay of surface pressure and surface fronts (above) showed a large occluded cyclone off the New England coast on 09 May 2011.

McIDAS images of GOES-13 6.5 m water vapor channel data displayed the evolution of the classic signature that indicates a cyclone has reached the occluded stage: the formation of a well-defined "dry swirl" that wraps around the center of the circulation.






A comparison of AWIPS images of the 1-km resolution MODIS water vapor channel image with the corresponding 4-km resolution GOES-13 water vapor channel image (below) demonstrates the advantage of improved spatial resolution for analyzing the complex water vapor gradients as the system was becoming occluded.







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Impressive ocean storm - Fred, 5/9/2011, 12:14 pm
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