Here's the link to the Central Florida U. map of different forecasts for Muifa. Does anybody have any idea what the acronyms KHRA, KHRM, or KXTR stand for?

http://hurricane.methaz.org/tracking/cyclone/WP112011_tracks.png

Here is a link to summaries of some models, but it doesn't include those above: http://www.nhc.noaa.gov/modelsummary.shtml