The Day/Night band on Suomi/NPP produces Night-Time visible imagery using illumination from natural (the moon, forest fires) and man-made sources (city lights, gas flares). Interpretation of the imagery should be done, therefore, with a knowledge of the Lunar phase. In the example above, note the dimming of the clouds over... Read More
A number of multiple-vehicle accidents occurred in the Cincinnati, Ohio area when bands of heavy snow squalls moved through and caused white-out conditions that reduced visibility to near zero at times on 21 January 2012. McIDAS images of 1-km resolution GOES-13 0.63 µm... Read More
A comparison of AWIPS images of Suomi NPP VIIRS 0.64 µm visible channel and false-color Red/Green/Blue (RGB) images (above) showed areas of fog and stratus clouds over portions of the Pacific Northwest region of the US, the adjacent offshore waters of the Pacific Ocean, and far southwestern Canada at 20:15... Read More
A comparison of AWIPS images of Suomi NPP VIIRS Visible (0.64 µm) and False Color Red-Green-Blue (RGB) composite (above) showed a number of horizontal convective roll clouds over parts of eastern North Dakota and northwestern Minnesota that had formed in response to strong northwesterly winds in the wake of an... Read More
