Category: Extremes affecting Canada

Heat wave occuring from May 07 2024 to May 11 2024 at 57.5°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: May 07 2024 to May 11 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 7.7 °C
  • Mean temperature: 14.4 °C
  • Maximum temperature anomaly: 11.0 °C
  • Maximum temperature: 19.8 °C

Event center: 57.5°N 255.0°E

Area affected: 226085 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-May-07_to_2024-May-11_255.0_57.5

Cold spell occuring from May 06 2024 to May 11 2024 at 84.0°N 250.0°E

Download data: JSON

Event type: Cold spell

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

  • Canada

Duration: 6 days

Time span: May 06 2024 to May 11 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -3.7 °C
  • Mean temperature: -14.2 °C
  • Minimum temperature anomaly: -4.3 °C
  • Minimum temperature: -15.1 °C

Event center: 84.0°N 250.0°E

Area affected: 50589 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-May-06_to_2024-May-11_250.0_84.0

Cold spell occuring from May 02 2024 to May 14 2024 at 61.0°N 191.0°E

Download data: JSON

Event type: Cold spell

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

  • Canada
  • Russian Federation
  • United States

Duration: 13 days

Time span: May 02 2024 to May 14 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -4.8 °C
  • Mean temperature: -10.1 °C
  • Minimum temperature anomaly: -10.5 °C
  • Minimum temperature: -16.4 °C

Event center: 61.0°N 191.0°E

Area affected: 2669679 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-May-02_to_2024-May-14_191.0_61.0

Heat wave occuring from May 02 2024 to May 07 2024 at 57.5°N 282.5°E

Download data: JSON

Event type: Heat wave

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

  • Canada

Duration: 6 days

Time span: May 02 2024 to May 07 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 5.4 °C
  • Mean temperature: 0.4 °C
  • Maximum temperature anomaly: 8.2 °C
  • Maximum temperature: 6.3 °C

Event center: 57.5°N 282.5°E

Area affected: 505112 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-May-02_to_2024-May-07_282.5_57.5

Cold spell occuring from May 01 2024 to May 12 2024 at 79.0°N 290.5°E

Download data: JSON

Event type: Cold spell

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

  • Canada
  • Greenland

Duration: 12 days

Time span: May 01 2024 to May 12 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -5.5 °C
  • Mean temperature: -16.7 °C
  • Minimum temperature anomaly: -8.7 °C
  • Minimum temperature: -26.5 °C

Event center: 79.0°N 290.5°E

Area affected: 79792 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-May-01_to_2024-May-12_290.5_79.0

Heat wave occuring from May 01 2024 to May 06 2024 at 54.0°N 281.0°E

Download data: JSON

Event type: Heat wave

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

  • Canada

Duration: 6 days

Time span: May 01 2024 to May 06 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 7.6 °C
  • Mean temperature: 9.3 °C
  • Maximum temperature anomaly: 11.5 °C
  • Maximum temperature: 13.4 °C

Event center: 54.0°N 281.0°E

Area affected: 92258 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-May-01_to_2024-May-06_281.0_54.0

Heat wave occuring from May 01 2024 to May 11 2024 at 69.5°N 259.0°E

Download data: JSON

Event type: Heat wave

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

  • Canada

Duration: 11 days

Time span: May 01 2024 to May 11 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 6.9 °C
  • Mean temperature: 0.8 °C
  • Maximum temperature anomaly: 11.8 °C
  • Maximum temperature: 16.7 °C

Event center: 69.5°N 259.0°E

Area affected: 2208750 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-May-01_to_2024-May-11_259.0_69.5

Heat wave occuring from May 01 2024 to May 05 2024 at 55.5°N 229.5°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: May 01 2024 to May 05 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 4.3 °C
  • Mean temperature: 9.0 °C
  • Maximum temperature anomaly: 8.0 °C
  • Maximum temperature: 12.9 °C

Event center: 55.5°N 229.5°E

Area affected: 111361 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-May-01_to_2024-May-05_229.5_55.5

Cold spell occuring from April 30 2024 to May 04 2024 at 76.5°N 286.0°E

Download data: JSON

Event type: Cold spell

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

  • Canada
  • Greenland

Duration: 5 days

Time span: April 30 2024 to May 04 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -4.7 °C
  • Mean temperature: -13.9 °C
  • Minimum temperature anomaly: -6.2 °C
  • Minimum temperature: -15.9 °C

Event center: 76.5°N 286.0°E

Area affected: 138475 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-Apr-30_to_2024-May-04_286.0_76.5

Heat wave occuring from April 28 2024 to May 02 2024 at 55.5°N 304.0°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: April 28 2024 to May 02 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 2.7 °C
  • Mean temperature: 2.9 °C
  • Maximum temperature anomaly: 4.6 °C
  • Maximum temperature: 4.1 °C

Event center: 55.5°N 304.0°E

Area affected: 53781 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-Apr-28_to_2024-May-02_304.0_55.5