Category: Cold spells affecting Canada

Cold spell occuring from November 27 2024 to December 03 2024 at 65.5°N 231.0°E

Download data: JSON

Event type: Cold spell

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

  • Canada

Duration: 7 days

Time span: November 27 2024 to December 03 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -12.7 °C
  • Mean temperature: -32.9 °C
  • Minimum temperature anomaly: -21.2 °C
  • Minimum temperature: -41.8 °C

Event center: 65.5°N 231.0°E

Area affected: 487203 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-27_to_2024-Dec-03_231.0_65.5

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

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

Cold spell occuring from August 25 2024 to August 27 2024 at 81.0°N 225.0°E

Download data: JSON

Event type: Cold spell

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

  • Canada

Duration: 3 days

Time span: August 25 2024 to August 27 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -2.4 °C
  • Mean temperature: -3.6 °C
  • Minimum temperature anomaly: -3.0 °C
  • Minimum temperature: -4.3 °C

Event center: 81.0°N 225.0°E

Area affected: 56137 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-25_to_2024-Aug-27_225.0_81.0

Cold spell occuring from August 19 2024 to August 26 2024 at 36.5°N 284.0°E

Download data: JSON

Event type: Cold spell

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

  • Canada
  • United States

Duration: 8 days

Time span: August 19 2024 to August 26 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -4.4 °C
  • Mean temperature: 18.5 °C
  • Minimum temperature anomaly: -7.7 °C
  • Minimum temperature: 10.1 °C

Event center: 36.5°N 284.0°E

Area affected: 1570250 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-19_to_2024-Aug-26_284.0_36.5

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