-# http://weather.noaa.gov/pub/data/zonecatalog.curr.tar
-# 748043471973d418cb415fccc3a0000b 2007-06-07 zonecatalog.curr.tar
-#
-# http://www.nco.ncep.noaa.gov/pmb/codes/nwprod/dictionaries/metar.tbl
-# 2bbef16bbf41add353650c5d09f35066 2013-07-25 metar.tbl
-#
-# ftp://ftp.ncdc.noaa.gov/pub/data/inventories/COOP-ACT.TXT
-# 3fc42736c79982ac9c0232755c07b288 2014-02-12 COOP-ACT.TXT