Typical Weather Situations

Contained within the 3rd Edition (1957) of the Atlas of Canada is a map that shows the typical weather situations by means of four surface weather maps: for February 18th, circa 1954; April 19th, circa 1955; July 3rd, circa 1955; and October 12th, circa 1954. All maps are based on data of 1:30 p.m. Eastern Standard Time for the afore-mentioned dates. There are two small inset maps: one shows air masses and the mean position of fronts in winter, the other shows the same concepts for summer.

Data and Resources

Additional Info

Field Value
Last Updated January 16, 2026, 21:01 (UTC)
Created January 16, 2026, 21:01 (UTC)
contains_pii non
criticality_level Élevé
data_formats JPG; PDF
fair_openness Level 2 - Machine-readable
geographic_scope Canada
sensitivity_level Faible
source_inventaire Inventaire_W
source_url https://open.canada.ca/data/en/dataset/c05f4543-e68d-598b-9cf1-b5f188d00fd4
subject nature_and_environment, science_and_technology
update_frequency as_needed
year_most_recent 2022-03-14 19:51:10.848000
year_start 2016-09-25 09:17:09.157000