Weather pattern responsible for rainstorm of January 13-14, 1983
A low pressure centre ("L") east of Nova Scotia is moving towards southwestern Newfoundland. To its east a very mild flow of air from the south is affecting eastern Newfoundland, with heavy rain falling over central and western parts of the island (shaded area).

The Flood of January 1983 in Central Newfoundland. Prepared jointly by Environment Canada (Inland Waters Directorate - Atlantic Region and Atmospheric Environment Service - Atlantic Region) and Government of Newfoundland and Labrador (Department of Environment, Water Resources Division), 1985. Reproduced by permission of Environment Canada and the Newfoundland Department of Environment and Labour, 1999. Modified by Duleepa Wijayawardhana, 1999.