Category: Extremes affecting Canada

Cold spell occuring from November 24 2024 to December 07 2024 at 52.0°N 253.0°E

Download data: JSON

Event type: Cold spell

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

  • Canada
  • United States

Duration: 14 days

Time span: November 24 2024 to December 07 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -9.6 °C
  • Mean temperature: -9.5 °C
  • Minimum temperature anomaly: -21.0 °C
  • Minimum temperature: -31.7 °C

Event center: 52.0°N 253.0°E

Area affected: 2283964 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-Nov-24_to_2024-Dec-07_253.0_52.0

Cold spell occuring from November 24 2024 to December 27 2024 at 79.5°N 292.0°E

Download data: JSON

Event type: Cold spell

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

  • Canada
  • Greenland

Duration: 34 days

Time span: November 24 2024 to December 27 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -7.3 °C
  • Mean temperature: -30.8 °C
  • Minimum temperature anomaly: -12.4 °C
  • Minimum temperature: -41.1 °C

Event center: 79.5°N 292.0°E

Area affected: 103346 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-Nov-24_to_2024-Dec-27_292.0_79.5

Cold spell occuring from November 23 2024 to November 27 2024 at 54.0°N 237.0°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: November 23 2024 to November 27 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -7.8 °C
  • Mean temperature: -9.3 °C
  • Minimum temperature anomaly: -14.0 °C
  • Minimum temperature: -18.1 °C

Event center: 54.0°N 237.0°E

Area affected: 58984 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-Nov-23_to_2024-Nov-27_237.0_54.0

Cold spell occuring from November 20 2024 to November 26 2024 at 58.0°N 229.5°E

Download data: JSON

Event type: Cold spell

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

  • Canada
  • United States

Duration: 7 days

Time span: November 20 2024 to November 26 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -11.5 °C
  • Mean temperature: -21.7 °C
  • Minimum temperature anomaly: -15.7 °C
  • Minimum temperature: -28.2 °C

Event center: 58.0°N 229.5°E

Area affected: 76552 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-Nov-20_to_2024-Nov-26_229.5_58.0

Heat wave occuring from November 06 2024 to November 08 2024 at 54.0°N 234.0°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: November 06 2024 to November 08 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 5.8 °C
  • Mean temperature: 2.6 °C
  • Maximum temperature anomaly: 10.5 °C
  • Maximum temperature: 8.7 °C

Event center: 54.0°N 234.0°E

Area affected: 98330 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-Nov-06_to_2024-Nov-08_234.0_54.0

Heat wave occuring from November 03 2024 to November 10 2024 at 62.0°N 238.0°E

Download data: JSON

Event type: Heat wave

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

  • Canada

Duration: 8 days

Time span: November 03 2024 to November 10 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 8.9 °C
  • Mean temperature: 2.5 °C
  • Maximum temperature anomaly: 13.7 °C
  • Maximum temperature: 9.5 °C

Event center: 62.0°N 238.0°E

Area affected: 1310265 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-Nov-03_to_2024-Nov-10_238.0_62.0

Heat wave occuring from October 31 2024 to November 08 2024 at 70.5°N 212.0°E

Download data: JSON

Event type: Heat wave

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

  • Canada
  • United States

Duration: 9 days

Time span: October 31 2024 to November 08 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 7.9 °C
  • Mean temperature: -4.4 °C
  • Maximum temperature anomaly: 10.9 °C
  • Maximum temperature: -2.6 °C

Event center: 70.5°N 212.0°E

Area affected: 219105 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-31_to_2024-Nov-08_212.0_70.5

Heat wave occuring from October 30 2024 to November 04 2024 at 60.0°N 220.5°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: October 30 2024 to November 04 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 6.2 °C
  • Mean temperature: -2.0 °C
  • Maximum temperature anomaly: 9.0 °C
  • Maximum temperature: 8.4 °C

Event center: 60.0°N 220.5°E

Area affected: 55284 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-30_to_2024-Nov-04_220.5_60.0

Cold spell occuring from October 20 2024 to October 23 2024 at 50.5°N 228.0°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: October 20 2024 to October 23 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -2.3 °C
  • Mean temperature: 9.8 °C
  • Minimum temperature anomaly: -4.5 °C
  • Minimum temperature: 4.0 °C

Event center: 50.5°N 228.0°E

Area affected: 351107 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-Oct-20_to_2024-Oct-23_228.0_50.5

Cold spell occuring from October 18 2024 to October 22 2024 at 60.0°N 223.0°E

Download data: JSON

Event type: Cold spell

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

  • Canada
  • United States

Duration: 5 days

Time span: October 18 2024 to October 22 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -5.6 °C
  • Mean temperature: -2.5 °C
  • Minimum temperature anomaly: -15.2 °C
  • Minimum temperature: -19.9 °C

Event center: 60.0°N 223.0°E

Area affected: 141594 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-Oct-18_to_2024-Oct-22_223.0_60.0