Category: Extremes affecting Canada

Heat wave occuring from August 18 2024 to August 22 2024 at 50.5°N 255.0°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 18 2024 to August 22 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 5.6 °C
  • Mean temperature: 23.1 °C
  • Maximum temperature anomaly: 8.1 °C
  • Maximum temperature: 25.9 °C

Event center: 50.5°N 255.0°E

Area affected: 133501 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-18_to_2024-Aug-22_255.0_50.5

Heat wave occuring from August 16 2024 to August 19 2024 at 55.0°N 228.5°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 16 2024 to August 19 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 3.6 °C
  • Mean temperature: 16.3 °C
  • Maximum temperature anomaly: 6.0 °C
  • Maximum temperature: 18.9 °C

Event center: 55.0°N 228.5°E

Area affected: 52564 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-16_to_2024-Aug-19_228.5_55.0

Heat wave occuring from August 16 2024 to August 19 2024 at 66.0°N 229.5°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: August 16 2024 to August 19 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 7.1 °C
  • Mean temperature: 18.1 °C
  • Maximum temperature anomaly: 11.6 °C
  • Maximum temperature: 23.5 °C

Event center: 66.0°N 229.5°E

Area affected: 71235 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-16_to_2024-Aug-19_229.5_66.0

Cold spell occuring from August 05 2024 to August 13 2024 at 45.0°N 265.0°E

Download data: JSON

Event type: Cold spell

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

  • Canada
  • United States

Duration: 9 days

Time span: August 05 2024 to August 13 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -5.7 °C
  • Mean temperature: 17.1 °C
  • Minimum temperature anomaly: -11.5 °C
  • Minimum temperature: 9.8 °C

Event center: 45.0°N 265.0°E

Area affected: 1620787 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: Cold_spell_2024-Aug-05_to_2024-Aug-13_265.0_45.0

Cold spell occuring from August 04 2024 to August 07 2024 at 54.0°N 285.5°E

Download data: JSON

Event type: Cold spell

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

  • Canada

Duration: 4 days

Time span: August 04 2024 to August 07 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -5.3 °C
  • Mean temperature: 8.9 °C
  • Minimum temperature anomaly: -6.9 °C
  • Minimum temperature: 7.7 °C

Event center: 54.0°N 285.5°E

Area affected: 259594 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: Cold_spell_2024-Aug-04_to_2024-Aug-07_285.5_54.0

Heat wave occuring from August 01 2024 to August 05 2024 at 48.5°N 240.5°E

Download data: JSON

Event type: Heat wave

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

  • Canada
  • United States

Duration: 5 days

Time span: August 01 2024 to August 05 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 5.2 °C
  • Mean temperature: 20.7 °C
  • Maximum temperature anomaly: 7.4 °C
  • Maximum temperature: 27.7 °C

Event center: 48.5°N 240.5°E

Area affected: 125525 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-01_to_2024-Aug-05_240.5_48.5

Heat wave occuring from July 30 2024 to August 02 2024 at 50.5°N 262.0°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: July 30 2024 to August 02 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 4.5 °C
  • Mean temperature: 23.4 °C
  • Maximum temperature anomaly: 5.9 °C
  • Maximum temperature: 25.9 °C

Event center: 50.5°N 262.0°E

Area affected: 221588 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-Jul-30_to_2024-Aug-02_262.0_50.5

Cold spell occuring from July 29 2024 to August 01 2024 at 67.0°N 233.5°E

Download data: JSON

Event type: Cold spell

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

  • Canada

Duration: 4 days

Time span: July 29 2024 to August 01 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -6.7 °C
  • Mean temperature: 7.5 °C
  • Minimum temperature anomaly: -8.8 °C
  • Minimum temperature: 2.6 °C

Event center: 67.0°N 233.5°E

Area affected: 143994 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: Cold_spell_2024-Jul-29_to_2024-Aug-01_233.5_67.0

Cold spell occuring from July 28 2024 to August 01 2024 at 69.0°N 256.5°E

Download data: JSON

Event type: Cold spell

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

  • Canada

Duration: 5 days

Time span: July 28 2024 to August 01 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -5.7 °C
  • Mean temperature: 3.9 °C
  • Minimum temperature anomaly: -7.8 °C
  • Minimum temperature: 1.1 °C

Event center: 69.0°N 256.5°E

Area affected: 149379 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: Cold_spell_2024-Jul-28_to_2024-Aug-01_256.5_69.0

Cold spell occuring from July 27 2024 to August 14 2024 at 78.0°N 152.0°E

Download data: JSON

Event type: Cold spell

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

  • Canada
  • Greenland

Duration: 19 days

Time span: July 27 2024 to August 14 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -0.8 °C
  • Mean temperature: -0.4 °C
  • Minimum temperature anomaly: -6.9 °C
  • Minimum temperature: -12.4 °C

Event center: 78.0°N 152.0°E

Area affected: 1690269 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: Cold_spell_2024-Jul-27_to_2024-Aug-14_152.0_78.0