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.

Données et ressources

Info additionnelle

Champ	Valeur
Dernière modification	avril 17, 2026, 20:55 (TU)
Créé le	avril 17, 2026, 20:55 (TU)
contact_email	geoinfo@nrcan.gc.ca
contact_person	{}
criticality_level	[]
data_dictionary	["climatology_meterology_atmosphere"]
geographic_scope	[]
open_canada_collection	geogratis
open_canada_date_published	1957-01-01 00:00:00
open_canada_keywords	{"fr": ["archives climatologiques", "climat", "données météorologiques", "météorologie", "neige", "précipitation", "temps - météorologie"], "en": ["climate", "climate archives", "meteorological data", "meteorology", "precipitation", "snow", "weather"]}
open_canada_subject	["nature_and_environment", "science_and_technology"]
sensitivity_level	unrestricted
title_fr	Situations météorologiques caractéristiques
update_frequency	as_needed