Extreme Heat

TRENDS IN HEAT-RELATED CLIMATE INDICES

 HISTORICAL HEAT-RELATED EVENTS

BACKGROUND INFORMATION AND DATASETS FOR EXTREME HEAT and HEAT MAPS

18 items found.

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Sub-categories:    Temperature    Humidex Sub-category Temperature
1.	Average annual total Cooling Degree Days above 18° C, based on data from 1968-1988:  Screen display:(214 KB jpeg image) Download: Windows Bitmap File (.bmp 2502 KB)  Source: Watson and MacIver, 1995
2.	Average number of days per year with maximum temperatures > 30° C, based on data from 1971-2000 (Provincial Overview):  Screen display:(72 KB jpeg image) Download: Windows Meta File (.wmf 1772 KB)  Source: Environment Canada, 2003a
3.	Average number of days per year with maximum temperatures > 30° C, based on data from 1971-2000 (Provincial Overview)(contoured map):  Screen display:(125 KB .png image) Download: (64 KB .png file)  Source: MSC-Ontario Region, 2005a
4.	Average number of days per year with maximum temperatures > 30° C, based on data from 1971-2000 (Southern Ontario):  Screen display:(126 KB jpeg image) Download: Windows Meta File (.wmf 2035 KB)  Source: Environment Canada, 2003a
5.	Average number of days per year with maximum temperatures > 30° C, based on data from 1971-2000 (Northern Ontario):  Screen display:(65 KB jpeg image) Download: Windows Meta File (.wmf 699 KB)  Source: Environment Canada, 2003a
6.	Average number of days per year with maximum temperatures > 35° C, based on data from 1971-2000 (Provincial Overview):  Screen display:(75 KB jpeg image) Download: Windows Meta File (.wmf 1773 KB)  Source: Environment Canada, 2003a
7.	Average number of days per year with maximum temperatures > 35° C, based on data from 1971-2000 (Provincial Overview)(contoured map):  Screen display:(125 KB .png image) Download: (64 KB .png file)  Source: MSC-Ontario Region, 2005a
8.	Average number of days per year with maximum temperatures > 35° C, based on data from 1971-2000 (Southern Ontario):  Screen display:(125 KB jpeg image) Download: Windows Meta File (.wmf 2053 KB)  Source: Environment Canada, 2003a
9.	Average number of days per year with maximum temperatures > 35° C, based on data from 1971-2000 (Northern Ontario):  Screen display:(71 KB jpeg image) Download: Windows Meta File (.wmf 666 KB)  Source: Environment Canada, 2003a
10.	Extreme maximum temperature (° C) during the station period of record (Provincial Overview):  Screen display:(148 KB png image) Download: (324 KB printable pdf image)  Source: Environment Canada, 2009b.
11.	Extreme maximum temperature (° C) during the station period of record (Southern Ontario):  Download: (4 png images (168 - 248 KB); printable pdf images)  Source: Environment Canada, 2009b.
12.	Extreme maximum temperature (° C) during the station period of record (Northern Ontario):  Screen display:(168 KB png image) Download: (268 KB printable pdf image)  Source: Environment Canada, 2009b.
13.	Most recent occurrence of extreme maximum temperature (Southern Ontario):  Screen display:(196 KB png image) Download: (468 KB printable pdf image)  Source: Environment Canada, 2009b.
14.	Most recent occurrence of extreme maximum temperature (Northern Ontario):  Screen display:(136 KB png image) Download: (292 KB printable pdf image)  Source: Environment Canada, 2009b.
Sub-category Humidex
15.	Average number of days per year with humidex ≥ 40 (1971-2000 and station period of record):  Screen display:Clickable Map Download: (36 KB .png image)  Source: Environment Canada, 2009b.;     MSC-Ontario, 2006.
16.	Extreme maximum humidex during the station period of record:  Screen display:(36 KB .png image) Download: Printable file  Source: Environment Canada, 2009b.
17.	Most recent occurrence of extreme maximum humidex:  Screen display:(20 KB .png image) Download: Printable file  Source: Environment Canada, 2009b.
18.	Most recent occurrence of longest Consecutive Day period in year with Humidex ≥40 (station period of record):  Screen display:Clickable Map Download: Printable file  Source: Environment Canada, 2009b.;     MSC-Ontario, 2006.

Sources

Environment Canada, 2003a	Environment Canada, 2003a. National Climate Data and Information Archive. Available online: http://climate.weatheroffice.ec.gc.ca/climate_normals/index_e.html
Environment Canada, 2009b.	Environment Canada, 2009b. Internal Data Analysis. Data Courtesy of Environment Canada's National Climate Data and Information Archive.
MSC-Ontario Region, 2005a	Meteorological Service of Canada-Ontario Region, 2005a. Internal. Data Courtesy of National Climate Data and Information Archive.
MSC-Ontario, 2006.	Meteorological Service of Canada-Ontario, 2006. Internal Data Analysis. Data Courtesy of Environment Canada's National Climate Data and Information Archive.
Watson and MacIver, 1995	Watson B.G. and MacIver D., March 1995. Integrated Mapping Assessment Project (IMAP). Environment Canada and Ontario Ministry of Natural Resources.

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