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Imagery Enhancement Information

Label File Abbreviation Enhancement Description
Visible VIS Unenhanced Visible imagery that transitions to IR2 overnight
Shortwave (IR2) TXT IR2 Channel 2 Shortwave Infrared imagery - Shortwave, sometimes considered "night visible"
Fire (IR2) TXT IR2F IR Channel 2 with the standard fire enhancement to show hot spot activity
IR2T TXT Shortwave (IR2) Channel 2 Shortwave Infrared imagery - Alternate enhancement used with Tropical imagery floaters.
IR4 Unenhanced Channel 4 Infrared Imagery
Fire Hot TXT IR2H IR Channel 2 with enhancemnet for the hot summer season
Fire Winter TXT IR2W IR Channel 2 with enhancement for the cool winter season
Water Vapor TXT WV IR Channel 3
RGB RGB Combination of Visible and IR using a three channel technique to form a Red/Green/Blue false color image.
AVN TXT AVN Aviation color enhancement
Dvorak TXT BD Dvorak enhancement - used for Tropical Classifications with the Dvorak Technique
Funktop TXT FT Funktop enhancement - developed by Ted Funk. Highlights intense areas of precipitation
JSL TXT JSL JSL2 enhancement - developed by Jim Lynch. Used to bring out low level and high level clouds in tropical cyclones
Rainbow TXT RB Rainbow enhancement curve - Colorful enhancement
RBTOP TXT Rainbow New variation on the Rainbow enhancement curve - Colorful enhancement
WVB TXT Water Vapor IR Channel 3, alternate "Blue" hued version