| Abbreviation | File | Label | Enhancement Descriptions: |
| AVN | TXT | AVN | Aviation color enhancement |
| BD | TXT | Dvorak | Dvorak enhancement - used for Tropical Classifications with the Dvorak Technique |
| FT | TXT | Funktop | Funktop enhancement - developed by Ted Funk to highlight intense areas of precipitation |
| JSL | TXT | JSL | JSL2 enhancement - developed by Jim Lynch to bring out low level and high level clouds in tropical cyclones |
| IR2 | TXT | Shortwave (IR2) | Channel 2 Shortwave Infrared imagery - Shortwave, sometimes considered "night visible" used with standard sectors. |
| IR2T | TXT | Shortwave (IR2) | Channel 2 Shortwave Infrared imagery - Alternate enhancement used with Tropical imagery floaters. |
| IR2F | TXT | Fire (IR2) | IR Channel 2 with the standard fire enhancement to show hot spot activity |
| IR2H | TXT | Fire Hot | IR Channel 2 with enhancement for the hot summer season |
| IR2W | TXT | Fire Winter | IR Channel 2 with enhancement for the cool winter season |
| IR4 | None | Unenhanced Channel 4 Infrared Imagery | |
| RB | TXT | Rainbow | Rainbow enhancement curve - Colorful enhancement for a pretty image |
| RBTOP | TXT | Rainbow | New variation on the Rainbow enhancement curve - Colorful enhancement |
| RGB | RGB | Combination of Visible and IR using a three channel technique to form a Red/Green/Blue false color image. | |
| VIS | Visible | Unenhanced Visible imagery that usually transitions to IR2 overnight | |
| WV | TXT | Water Vapor | IR Channel 3 |
| WVB | TXT | Water Vapor | IR Channel 3, alternate "Blue" hued version |
TXT File: This file contains the brightness or brightness temperature (IR4 only) breakpoints in "Brightness-Blue-Green-Red" format as used with the McIDAS EU command to generate some of the enhanced images on our web sites. Not all of our images use an enhancement.