I'm trying to interpret the Terminal Constraints listed on the Operations Plan Advisory (https://www.fly.faa.gov/adv/adv_spt.jsp). RA seems to be used in the context of weather, but I haven't been able to find a definition for what "RA" means other than "Resolution Advisory" which I don't think is applicable in this context.
Example:
TERMINAL CONSTRAINTS:
NY METS/PHL/DC METS-RA/LOCIGS
CTL/ATL/MCO/TPA/FLL/MIA-RA/TSTMS