Category: Heat waves affecting Canada

16 heat waves identified in Canada since 2020

Heat wave occuring from December 05 2012 to December 16 2012 at 58.5°N 312.5°E

Download data: JSON

Event type: Heat wave

Countries affected (identified with ArcGIS Online; provided only for geographical reference):

  • Canada
  • Greenland

Duration: 12 days

Time span: December 05 2012 to December 16 2012

Statistics over entire affected area:

  • Mean temperature anomaly: 9.0 °C
  • Mean temperature: -6.8 °C
  • Maximum temperature anomaly: 19.1 °C
  • Maximum temperature: 13.9 °C

Event center: 58.5°N 312.5°E

Area affected: 3208776 km$^2$


Fig. 1: Map of most extreme temperature anomalies (standardized) experienced during the event. The purple star indicates the center of the extreme event. Green hatching illustrates all areas under the effect of extremes at some time during the event.



Fig. 2: Evolution of temperature at the center of the event. The climatological percentile distribution is illustrated with color shadings.



Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Heat_wave_2012-Dec-05_to_2012-Dec-16_312.5_58.5

Heat wave occuring from November 24 2012 to December 11 2012 at 77.5°N 283.0°E

Download data: JSON

Event type: Heat wave

Countries affected (identified with ArcGIS Online; provided only for geographical reference):

  • Canada
  • Greenland

Duration: 18 days

Time span: November 24 2012 to December 11 2012

Statistics over entire affected area:

  • Mean temperature anomaly: 9.8 °C
  • Mean temperature: -12.0 °C
  • Maximum temperature anomaly: 20.7 °C
  • Maximum temperature: 5.9 °C

Event center: 77.5°N 283.0°E

Area affected: 2806171 km$^2$


Fig. 1: Map of most extreme temperature anomalies (standardized) experienced during the event. The purple star indicates the center of the extreme event. Green hatching illustrates all areas under the effect of extremes at some time during the event.



Fig. 2: Evolution of temperature at the center of the event. The climatological percentile distribution is illustrated with color shadings.



Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Heat_wave_2012-Nov-24_to_2012-Dec-11_283.0_77.5

Heat wave occuring from November 21 2012 to December 11 2012 at 33.0°N 244.5°E

Download data: JSON

Event type: Heat wave

Countries affected (identified with ArcGIS Online; provided only for geographical reference):

  • Canada
  • Mexico
  • United States

Duration: 21 days

Time span: November 21 2012 to December 11 2012

Statistics over entire affected area:

  • Mean temperature anomaly: 4.9 °C
  • Mean temperature: 16.1 °C
  • Maximum temperature anomaly: 15.8 °C
  • Maximum temperature: 26.6 °C

Event center: 33.0°N 244.5°E

Area affected: 11278323 km$^2$


Fig. 1: Map of most extreme temperature anomalies (standardized) experienced during the event. The purple star indicates the center of the extreme event. Green hatching illustrates all areas under the effect of extremes at some time during the event.



Fig. 2: Evolution of temperature at the center of the event. The climatological percentile distribution is illustrated with color shadings.



Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Heat_wave_2012-Nov-21_to_2012-Dec-11_244.5_33.0

Heat wave occuring from November 18 2012 to November 25 2012 at 53.0°N 291.0°E

Download data: JSON

Event type: Heat wave

Countries affected (identified with ArcGIS Online; provided only for geographical reference):

  • Canada
  • United States

Duration: 8 days

Time span: November 18 2012 to November 25 2012

Statistics over entire affected area:

  • Mean temperature anomaly: 8.0 °C
  • Mean temperature: 2.7 °C
  • Maximum temperature anomaly: 13.5 °C
  • Maximum temperature: 9.7 °C

Event center: 53.0°N 291.0°E

Area affected: 1763687 km$^2$


Fig. 1: Map of most extreme temperature anomalies (standardized) experienced during the event. The purple star indicates the center of the extreme event. Green hatching illustrates all areas under the effect of extremes at some time during the event.



Fig. 2: Evolution of temperature at the center of the event. The climatological percentile distribution is illustrated with color shadings.



Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Heat_wave_2012-Nov-18_to_2012-Nov-25_291.0_53.0

Heat wave occuring from October 28 2012 to November 08 2012 at 46.0°N 238.5°E

Download data: JSON

Event type: Heat wave

Countries affected (identified with ArcGIS Online; provided only for geographical reference):

  • Canada
  • United States

Duration: 12 days

Time span: October 28 2012 to November 08 2012

Statistics over entire affected area:

  • Mean temperature anomaly: 6.1 °C
  • Mean temperature: 10.3 °C
  • Maximum temperature anomaly: 11.4 °C
  • Maximum temperature: 25.0 °C

Event center: 46.0°N 238.5°E

Area affected: 1420551 km$^2$


Fig. 1: Map of most extreme temperature anomalies (standardized) experienced during the event. The purple star indicates the center of the extreme event. Green hatching illustrates all areas under the effect of extremes at some time during the event.



Fig. 2: Evolution of temperature at the center of the event. The climatological percentile distribution is illustrated with color shadings.



Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Heat_wave_2012-Oct-28_to_2012-Nov-08_238.5_46.0

Heat wave occuring from October 20 2012 to October 23 2012 at 52.5°N 302.5°E

Download data: JSON

Event type: Heat wave

Countries affected (identified with ArcGIS Online; provided only for geographical reference):

  • Canada

Duration: 4 days

Time span: October 20 2012 to October 23 2012

Statistics over entire affected area:

  • Mean temperature anomaly: 4.1 °C
  • Mean temperature: 9.0 °C
  • Maximum temperature anomaly: 7.9 °C
  • Maximum temperature: 13.1 °C

Event center: 52.5°N 302.5°E

Area affected: 129558 km$^2$


Fig. 1: Map of most extreme temperature anomalies (standardized) experienced during the event. The purple star indicates the center of the extreme event. Green hatching illustrates all areas under the effect of extremes at some time during the event.



Fig. 2: Evolution of temperature at the center of the event. The climatological percentile distribution is illustrated with color shadings.



Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Heat_wave_2012-Oct-20_to_2012-Oct-23_302.5_52.5

Heat wave occuring from October 19 2012 to November 07 2012 at 64.5°N 316.5°E

Download data: JSON

Event type: Heat wave

Countries affected (identified with ArcGIS Online; provided only for geographical reference):

  • Canada
  • Greenland
  • United States

Duration: 20 days

Time span: October 19 2012 to November 07 2012

Statistics over entire affected area:

  • Mean temperature anomaly: 5.8 °C
  • Mean temperature: 4.1 °C
  • Maximum temperature anomaly: 17.5 °C
  • Maximum temperature: 21.3 °C

Event center: 64.5°N 316.5°E

Area affected: 6537110 km$^2$


Fig. 1: Map of most extreme temperature anomalies (standardized) experienced during the event. The purple star indicates the center of the extreme event. Green hatching illustrates all areas under the effect of extremes at some time during the event.



Fig. 2: Evolution of temperature at the center of the event. The climatological percentile distribution is illustrated with color shadings.



Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Heat_wave_2012-Oct-19_to_2012-Nov-07_316.5_64.5

Heat wave occuring from October 18 2012 to October 21 2012 at 53.0°N 280.0°E

Download data: JSON

Event type: Heat wave

Countries affected (identified with ArcGIS Online; provided only for geographical reference):

  • Canada

Duration: 4 days

Time span: October 18 2012 to October 21 2012

Statistics over entire affected area:

  • Mean temperature anomaly: 5.3 °C
  • Mean temperature: 7.3 °C
  • Maximum temperature anomaly: 7.8 °C
  • Maximum temperature: 9.6 °C

Event center: 53.0°N 280.0°E

Area affected: 230635 km$^2$


Fig. 1: Map of most extreme temperature anomalies (standardized) experienced during the event. The purple star indicates the center of the extreme event. Green hatching illustrates all areas under the effect of extremes at some time during the event.



Fig. 2: Evolution of temperature at the center of the event. The climatological percentile distribution is illustrated with color shadings.



Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Heat_wave_2012-Oct-18_to_2012-Oct-21_280.0_53.0

Heat wave occuring from October 17 2012 to October 23 2012 at 68.0°N 250.5°E

Download data: JSON

Event type: Heat wave

Countries affected (identified with ArcGIS Online; provided only for geographical reference):

  • Canada

Duration: 7 days

Time span: October 17 2012 to October 23 2012

Statistics over entire affected area:

  • Mean temperature anomaly: 6.4 °C
  • Mean temperature: -1.6 °C
  • Maximum temperature anomaly: 9.3 °C
  • Maximum temperature: 2.8 °C

Event center: 68.0°N 250.5°E

Area affected: 207070 km$^2$


Fig. 1: Map of most extreme temperature anomalies (standardized) experienced during the event. The purple star indicates the center of the extreme event. Green hatching illustrates all areas under the effect of extremes at some time during the event.



Fig. 2: Evolution of temperature at the center of the event. The climatological percentile distribution is illustrated with color shadings.



Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Heat_wave_2012-Oct-17_to_2012-Oct-23_250.5_68.0

Heat wave occuring from October 17 2012 to October 29 2012 at 21.0°N 257.5°E

Download data: JSON

Event type: Heat wave

Countries affected (identified with ArcGIS Online; provided only for geographical reference):

  • Canada
  • Mexico
  • United States

Duration: 13 days

Time span: October 17 2012 to October 29 2012

Statistics over entire affected area:

  • Mean temperature anomaly: 6.6 °C
  • Mean temperature: 21.0 °C
  • Maximum temperature anomaly: 13.6 °C
  • Maximum temperature: 29.7 °C

Event center: 21.0°N 257.5°E

Area affected: 2590008 km$^2$


Fig. 1: Map of most extreme temperature anomalies (standardized) experienced during the event. The purple star indicates the center of the extreme event. Green hatching illustrates all areas under the effect of extremes at some time during the event.



Fig. 2: Evolution of temperature at the center of the event. The climatological percentile distribution is illustrated with color shadings.



Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Heat_wave_2012-Oct-17_to_2012-Oct-29_257.5_21.0