Category: Heat waves affecting Canada

Download data: JSON

Event type: Heat wave

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

• Canada

Duration: 4 days

Time span: December 14 2023 to December 17 2023

Statistics over entire affected area:

• Mean temperature anomaly: 9.3 °C
• Mean temperature: -4.8 °C
• Maximum temperature anomaly: 11.8 °C
• Maximum temperature: -2.5 °C

Event center: 57.0°N 274.5°E

Area affected: 88000 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_2023-Dec-14_to_2023-Dec-17_274.5_57.0

Download data: JSON

Event type: Heat wave

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

• Canada

Duration: 5 days

Time span: December 13 2023 to December 17 2023

Statistics over entire affected area:

• Mean temperature anomaly: 13.4 °C
• Mean temperature: -1.3 °C
• Maximum temperature anomaly: 20.4 °C
• Maximum temperature: 2.6 °C

Event center: 53.5°N 261.0°E

Area affected: 373885 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_2023-Dec-13_to_2023-Dec-17_261.0_53.5

Download data: JSON

Event type: Heat wave

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

• Canada

Duration: 6 days

Time span: December 13 2023 to December 18 2023

Statistics over entire affected area:

• Mean temperature anomaly: 8.7 °C
• Mean temperature: -20.2 °C
• Maximum temperature anomaly: 12.9 °C
• Maximum temperature: -16.1 °C

Event center: 69.5°N 249.0°E

Area affected: 96367 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_2023-Dec-13_to_2023-Dec-18_249.0_69.5

Download data: JSON

Event type: Heat wave

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

• Canada

Duration: 3 days

Time span: November 17 2023 to November 19 2023

Statistics over entire affected area:

• Mean temperature anomaly: 9.0 °C
• Mean temperature: -1.1 °C
• Maximum temperature anomaly: 13.1 °C
• Maximum temperature: 5.8 °C

Event center: 58.0°N 234.5°E

Area affected: 412804 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_2023-Nov-17_to_2023-Nov-19_234.5_58.0

Download data: JSON

Event type: Heat wave

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

• Canada

Duration: 4 days

Time span: November 17 2023 to November 20 2023

Statistics over entire affected area:

• Mean temperature anomaly: 8.3 °C
• Mean temperature: 2.0 °C
• Maximum temperature anomaly: 10.1 °C
• Maximum temperature: 4.3 °C

Event center: 53.5°N 252.5°E

Area affected: 184736 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_2023-Nov-17_to_2023-Nov-20_252.5_53.5