Category: Extremes affecting Canada

Heat wave occuring from October 12 2024 to October 15 2024 at 51.0°N 232.0°E

Download data: JSON

Event type: Heat wave

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

  • Canada
  • United States

Duration: 4 days

Time span: October 12 2024 to October 15 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 4.3 °C
  • Mean temperature: 9.7 °C
  • Maximum temperature anomaly: 8.6 °C
  • Maximum temperature: 16.5 °C

Event center: 51.0°N 232.0°E

Area affected: 122754 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_2024-Oct-12_to_2024-Oct-15_232.0_51.0

Heat wave occuring from October 07 2024 to October 09 2024 at 62.5°N 253.5°E

Download data: JSON

Event type: Heat wave

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

  • Canada

Duration: 3 days

Time span: October 07 2024 to October 09 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 5.8 °C
  • Mean temperature: 4.5 °C
  • Maximum temperature anomaly: 8.9 °C
  • Maximum temperature: 8.1 °C

Event center: 62.5°N 253.5°E

Area affected: 58745 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_2024-Oct-07_to_2024-Oct-09_253.5_62.5

Heat wave occuring from September 24 2024 to September 26 2024 at 53.0°N 254.5°E

Download data: JSON

Event type: Heat wave

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

  • Canada

Duration: 3 days

Time span: September 24 2024 to September 26 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 7.2 °C
  • Mean temperature: 16.8 °C
  • Maximum temperature anomaly: 11.0 °C
  • Maximum temperature: 20.4 °C

Event center: 53.0°N 254.5°E

Area affected: 130606 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_2024-Sep-24_to_2024-Sep-26_254.5_53.0

Heat wave occuring from September 24 2024 to October 10 2024 at 49.0°N 296.5°E

Download data: JSON

Event type: Heat wave

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

  • Canada

Duration: 17 days

Time span: September 24 2024 to October 10 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 3.3 °C
  • Mean temperature: 13.1 °C
  • Maximum temperature anomaly: 4.9 °C
  • Maximum temperature: 15.7 °C

Event center: 49.0°N 296.5°E

Area affected: 175928 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_2024-Sep-24_to_2024-Oct-10_296.5_49.0

Heat wave occuring from January 01 2020 to January 04 2020 at 61.5°N 292.0°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: January 01 2020 to January 04 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 10.9 °C
  • Mean temperature: -4.9 °C
  • Maximum temperature anomaly: 13.4 °C
  • Maximum temperature: -0.7 °C

Event center: 61.5°N 292.0°E

Area affected: 71501 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_2020-Jan-01_to_2020-Jan-04_292.0_61.5

Heat wave occuring from September 05 2024 to September 07 2024 at 64.5°N 212.5°E

Download data: JSON

Event type: Heat wave

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

  • Canada
  • United States

Duration: 3 days

Time span: September 05 2024 to September 07 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 3.8 °C
  • Mean temperature: 11.7 °C
  • Maximum temperature anomaly: 4.9 °C
  • Maximum temperature: 14.8 °C

Event center: 64.5°N 212.5°E

Area affected: 87472 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_2024-Sep-05_to_2024-Sep-07_212.5_64.5

Heat wave occuring from September 03 2024 to September 09 2024 at 73.0°N 222.5°E

Download data: JSON

Event type: Heat wave

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

  • Canada
  • United States

Duration: 7 days

Time span: September 03 2024 to September 09 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 3.0 °C
  • Mean temperature: 2.6 °C
  • Maximum temperature anomaly: 5.6 °C
  • Maximum temperature: 8.5 °C

Event center: 73.0°N 222.5°E

Area affected: 235532 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_2024-Sep-03_to_2024-Sep-09_222.5_73.0

Heat wave occuring from August 31 2024 to September 03 2024 at 53.0°N 246.5°E

Download data: JSON

Event type: Heat wave

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

  • Canada
  • United States

Duration: 4 days

Time span: August 31 2024 to September 03 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 6.1 °C
  • Mean temperature: 18.5 °C
  • Maximum temperature anomaly: 8.1 °C
  • Maximum temperature: 23.8 °C

Event center: 53.0°N 246.5°E

Area affected: 125658 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_2024-Aug-31_to_2024-Sep-03_246.5_53.0

Heat wave occuring from August 29 2024 to September 02 2024 at 71.0°N 256.5°E

Download data: JSON

Event type: Heat wave

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

  • Canada

Duration: 5 days

Time span: August 29 2024 to September 02 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 3.0 °C
  • Mean temperature: 2.6 °C
  • Maximum temperature anomaly: 5.0 °C
  • Maximum temperature: 5.9 °C

Event center: 71.0°N 256.5°E

Area affected: 84044 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_2024-Aug-29_to_2024-Sep-02_256.5_71.0

Heat wave occuring from August 29 2024 to September 03 2024 at 50.0°N 233.0°E

Download data: JSON

Event type: Heat wave

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

  • Canada
  • United States

Duration: 6 days

Time span: August 29 2024 to September 03 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 4.9 °C
  • Mean temperature: 16.5 °C
  • Maximum temperature anomaly: 8.0 °C
  • Maximum temperature: 27.6 °C

Event center: 50.0°N 233.0°E

Area affected: 328408 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_2024-Aug-29_to_2024-Sep-03_233.0_50.0