Satellite Imagery Enhancement Descriptions

Abbreviation	Full Name	Description
VIS	Visible	Unenhanced visible imagery that transitions to infrared channel 2 overnight
AVN	Aviation	Aviation color enhancement
IR2	Shortwave	Shortwave, sometimes considered "night visible"
BD	Dvorak	Dvorak Technique for Tropical Cyclone Classifications
IR4	Unenhanced	Unenhanced channel 4 infrared imagery
JSL	JSL2	Developed by Jim Lynch for use with tropical classifications
RGB	RGB	Combination of visible and infrared using a three channel technique to make features stand out
FT	Funktop	Developed by Ted Funk for assistance with precipitation analysis
RB	Rainbow	Rainbow enhancement curve – a colorful enhancement
WV	Water Vapor	Infrared channel 3 with color enhancement

Note: This data courtesy of the NOAA Satellite Services Division