Snow bank on apron btwn twy B & C Nov-May. Daily radiosonde balloon launches with an ascent rate of 1000 ft/min between the hrs of 1115-1345Z and 2315-0145Z Water Aerodrome, Goose (Otter Creek), 2.5 NM N. Small Arms Range lctd aprx. 1.5NM NW of AD. Times of activation via ATIS or Goose Bay twr..
Effective 0901Z 13 September 2018 to 0901Z 08 November 2018