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Ontario Bioclimate - Severe Weather
With few exceptions the set of maps presented here were developed by Barry G. Watson and Don C. MacIver of the Meteorological Service of Canada - Environment Canada. Details of the twelve bioclimate elements used in the climate mapping are described in Watson and MacIver (1995).
Climatological Stations in Ontario (large version 173 KB jpg image) small version (48 KB jpg image)
Appendix of Bioclimate
- Appendix A
- Appendix B - Manitoba & U.S.A.
- Appendix B - Ontario I
- Appendix B - Ontario II
- Appendix B - Quebec
- Appendix C
Severe Weather
- Precipitation
- Monthly Probability of Frost
- Water Deficit Greater than 100 mm
- Tornados in Ontario
- Freezing Rain
- Cyclones
Precipitation
- Mean Total Annual Precipitation (181 KB jpg image) small version (51 KB jpg image)
- Mean Total Precipitation for January (173 KB jpg image) small version (49 KB jpg image)
- Mean Total Precipitation for February (161 KB jpg image) small version (45 KB jpg image)
- Mean Total Precipitation for March (163 KB jpg image) small version (46 KB jpg image)
- Mean Total Precipitation for April (162 KB jpg image) small version (46 KB jpg image)
- Mean Total Precipitation for May (167 KB jpg image) small version (48 KB jpg image)
- Mean Total Precipitation for June (159 KB jpg image) small version (46 KB jpg image)
- Mean Total Precipitation for July (156 KB jpg image) small version (45 KB jpg image)
- Mean Total Precipitation for August (158 KB jpg image) small version (46 KB jpg image)
- Mean Temperature for September (160 KB jpg image) small version (46 KB jpg image)
- Mean Total Precipitation for October (25 KB jpg image) file is small
- Mean Total Precipitation for November (171 KB jpg image) small version (49 KB jpg image)
- Mean Total Precipitation for December (175 KB jpg image) small version (50 KB jpg image)
Probability of Frost
- Probability of frost in March (148 KB jpg image) small version (43 KB jpg image)
- Probability of frost in April (146 KB jpg image) small version (42 KB jpg image)
- Probability of frost in May (154 KB jpg image) small version (44 KB jpg image)
- Probability of frost in June (148 KB jpg image) small version (43 KB jpg image)
- Probability of frost in September (155 KB jpg image) small version (45 KB jpg image)
- Probability of frost in October (154 KB jpg image) small version (45 KB jpg image)
- Probability of frost in Novermber (142 KB jpg image) small version (49 KB jpg image)
- Probability of frost in December(133 KB jpg image) small version (40 KB jpg image)
Water Deficit Greater than 100 mm
- Annual Total Water deficit (174 KB jpg image) small version (57 KB jpg image)
- Water deficit in June (152 KB jpg image) small version (54 KB jpg image)
- Water deficit in July (165 KB jpg image) small version (51 KB jpg image)
- Water deficit in August (165 KB jpg image) small version (54 KB jpg image)
- Water deficit in September (144 KB jpg image) small version (48 KB jpg image)
Tornados in Ontario
- Tornado Distribution in North America (116 KB jpg image) sml ver. (60 KB jpg image)
- Source: Grosvenor, G.M.; J.M. Fahey; W.L. Allen and A. Carroll. 1998. Natural Hazards of North America. National Geographic Society. July.
- Tornados in Southern Ontario (274 KB jpg image) sml ver. (91 KB jpg image)
- Source: Auld, H. and D. MacIver. 2000. Integrated Mapping Assessments: Selected Case Studies, Workshop on Decoding Canada's Environmental Past: Integrated Mapping Assessments of Changing Vulnerability and Variability in Climate, Biodiversity, Land-Use and Built Environments, the 6th EMAN National Science Meeting, Jan. 21st.
Freezing Rain
- Incidence of Freezing Rain in North America (79 KB jpg image) sml ver. (34 KB jpg image)
Source: Strapp. W. 1998. Pers. Comm. Cloud Physics Research Division, Meteorological Service of Canada.- Freezing Rain in Southern Ontario (81 KB jpg image) sml ver. (51 KB jpg image)
Source: Auld, H. and D. MacIver. 2000. Integrated Mapping Assessments: Selected Case Studies, Workshop on Decoding Canada's Environmental Past: Integrated Mapping Assessments of Changing Vulnerability and Variability in Climate, Biodiversity, Land-Use and Built Environments, the 6th EMAN National Science Meeting, Jan. 21st.Cyclones
- Cyclone Frequency in Southern Ontario (138 KB jpg image) sml ver. (71 KB jpg image)
Source: Source: Auld, H. and D. MacIver. 2000. Integrated Mapping Assessments: Selected Case Studies, Workshop on Decoding Canada's Environmental Past: Integrated Mapping Assessments of Changing Vulnerability and Variability in Climate, Biodiversity, Land-Use and Built Environments, the 6th EMAN National Science Meeting, Jan. 21st.