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Notices:

A new set of IDF curves was produced on February 09, 2012 and posted on March 09, 2012. Please read the Whats_New_EC_IDF.pdf file for a list of all of the changes.


OTTAWA MACDONALD-CARTIER INT’L A, HAMILTON A, DEER LAKE A, GANDER INT'L A, ST.JOHN'S A, SASKATOON DIEFENBAKER INT'L A, LONDON INT'L A, SAULT STE. MARIE A, EDMONTON INT'L A, YARMOUTH A, THUNDER BAY A, CHURCHILL A and SMITHERS A weather reporting stations have switched over to new NAV CANADA sensors and reporting tools. Due to some unanticipated data processing issues related to the new data flow, the display of daily data from these stations is not available on our website at present. However, hourly data is now being displayed for the new stations: OTTAWA INT'L, HAMILTON, DEER LAKEGANDER INT'L, ST. JOHN'S INT'L, SASKATOON DIEFENBAKER INT'L, LONDONSAULT STE MARIE, EDMONTON, YARMOUTH, THUNDER BAY, CHURCHILL and SMITHERS.  For more information, please click here and expand the message. Thank you for your patience while we work to fix these current issues.


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

The "Weather Winners" Highlights

Cities With The Toughest Weather * - To find the city with the toughest weather, a selection was made of 26 extreme weather categories, e.g., the coldest, wettest, windiest, etc. Points were assigned to the cities placing in the top ten of each grouping. St. John's NL and Gander NL were tops for the toughest weather. They made it in 13 categories, followed by Yellowknife, Timmins ON and Val-d'Or QC in eight, and Sydney NS, Corner Brook NL and Thompson MB in seven categories.

City Placements in Top Ten
St. John's NL 13
Gander NL 13
Yellowknife NT 8
Timmins ON 8
Val-d'Or QC 8
Sydney NS 7
Corner Brook NL 7
Thompson MB 7
Trois-Rivières QC 6
Windsor ON 6
Fort McMurray AB 6

* Number of times city rated in the top ten of 26 extreme weather elements, eg., foggiest, snowiest, wettest, windiest, etc.



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