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As of November 19 2009, changes have been made to how Wind Chill and Humidex values are calculated. Please click here for further details. A detailed outline of these calculations can be found in the Glossary.

We are pleased to announce the release of a new feature, Historical Radar to our site.  The Historical Radar feature allows users to view historical radar images from 2007 to present at the national, regional and local levels.  It can be accessed by clicking the “Historical Radar” link on the left menu bar.

The Notice Inventory contains a record of all past and current Notices.

To display climate data directly from the database, first specify a date, data interval, and then select a city on the map.
For more locations, select a province or territory or click on customized search.

Whitehorse Yellowknife Iqaluit Prince George Vancouver Calgary Edmonton Saskatoon Regina Winnipeg Thunder Bay Toronto Ottawa Montréal Québec Fredericton Halifax St. John's British Columbia Alberta Saskatchewan Manitoba Ontario Quebec New Brunswick Nova Scotia Prince Edward Island Newfoundland Yukon Territory Northwest Territories Nunavut
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