Category: Extremes affecting Canada

Heat wave occuring from January 06 2023 to January 14 2023 at 61.5°N 234.5°E

Download data: JSON

Event type: Heat wave

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

  • Canada

Duration: 9 days

Time span: January 06 2023 to January 14 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 12.4 °C
  • Mean temperature: -12.6 °C
  • Maximum temperature anomaly: 17.2 °C
  • Maximum temperature: -8.2 °C

Event center: 61.5°N 234.5°E

Area affected: 120425 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-Jan-06_to_2023-Jan-14_234.5_61.5

Heat wave occuring from January 05 2023 to February 12 2023 at 22.0°N 278.0°E

Download data: JSON

Event type: Heat wave

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

  • Bahamas
  • Belize
  • Canada
  • Cuba
  • El Salvador
  • Guatemala
  • Haiti
  • Honduras
  • Jamaica
  • Mexico
  • Nicaragua
  • Turks and Caicos Islands
  • United States

Duration: 39 days

Time span: January 05 2023 to February 12 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 8.0 °C
  • Mean temperature: 7.6 °C
  • Maximum temperature anomaly: 23.5 °C
  • Maximum temperature: 29.3 °C

Event center: 22.0°N 278.0°E

Area affected: 11571951 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-Jan-05_to_2023-Feb-12_278.0_22.0

Cold spell occuring from December 31 2022 to January 05 2023 at 73.0°N 283.5°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: December 31 2022 to January 05 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -9.1 °C
  • Mean temperature: -41.3 °C
  • Minimum temperature anomaly: -14.1 °C
  • Minimum temperature: -48.5 °C

Event center: 73.0°N 283.5°E

Area affected: 58523 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_2022-Dec-31_to_2023-Jan-05_283.5_73.0

Heat wave occuring from December 31 2022 to January 02 2023 at 45.0°N 306.0°E

Download data: JSON

Event type: Heat wave

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

  • Canada

Duration: 3 days

Time span: December 31 2022 to January 02 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 4.8 °C
  • Mean temperature: 5.1 °C
  • Maximum temperature anomaly: 8.8 °C
  • Maximum temperature: 10.7 °C

Event center: 45.0°N 306.0°E

Area affected: 66519 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_2022-Dec-31_to_2023-Jan-02_306.0_45.0

Cold spell occuring from December 27 2022 to December 31 2022 at 85.0°N 270.0°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: December 27 2022 to December 31 2022

Statistics over entire affected area:

  • Mean temperature anomaly: -6.3 °C
  • Mean temperature: -32.0 °C
  • Minimum temperature anomaly: -9.3 °C
  • Minimum temperature: -35.0 °C

Event center: 85.0°N 270.0°E

Area affected: 56962 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_2022-Dec-27_to_2022-Dec-31_270.0_85.0

Cold spell occuring from December 27 2022 to January 03 2023 at 86.5°N 219.0°E

Download data: JSON

Event type: Cold spell

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

  • Canada

Duration: 8 days

Time span: December 27 2022 to January 03 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -7.0 °C
  • Mean temperature: -31.5 °C
  • Minimum temperature anomaly: -9.7 °C
  • Minimum temperature: -34.1 °C

Event center: 86.5°N 219.0°E

Area affected: 113380 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_2022-Dec-27_to_2023-Jan-03_219.0_86.5

Heat wave occuring from December 26 2022 to January 13 2023 at 22.0°N 261.5°E

Download data: JSON

Event type: Heat wave

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

  • Bahamas
  • Belize
  • Canada
  • Cuba
  • El Salvador
  • Guatemala
  • Honduras
  • Mexico
  • United States

Duration: 19 days

Time span: December 26 2022 to January 13 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 6.9 °C
  • Mean temperature: 15.7 °C
  • Maximum temperature anomaly: 20.3 °C
  • Maximum temperature: 28.7 °C

Event center: 22.0°N 261.5°E

Area affected: 6940746 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_2022-Dec-26_to_2023-Jan-13_261.5_22.0

Heat wave occuring from December 22 2022 to January 01 2023 at 58.5°N 279.0°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: December 22 2022 to January 01 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 11.3 °C
  • Mean temperature: -8.8 °C
  • Maximum temperature anomaly: 17.7 °C
  • Maximum temperature: 0.5 °C

Event center: 58.5°N 279.0°E

Area affected: 640010 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_2022-Dec-22_to_2023-Jan-01_279.0_58.5

Cold spell occuring from December 21 2022 to January 11 2023 at 76.5°N 287.5°E

Download data: JSON

Event type: Cold spell

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

  • Canada
  • Greenland

Duration: 22 days

Time span: December 21 2022 to January 11 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -6.7 °C
  • Mean temperature: -28.3 °C
  • Minimum temperature anomaly: -15.8 °C
  • Minimum temperature: -41.4 °C

Event center: 76.5°N 287.5°E

Area affected: 319520 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_2022-Dec-21_to_2023-Jan-11_287.5_76.5

Cold spell occuring from December 21 2022 to December 25 2022 at 76.0°N 251.0°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: December 21 2022 to December 25 2022

Statistics over entire affected area:

  • Mean temperature anomaly: -7.2 °C
  • Mean temperature: -34.6 °C
  • Minimum temperature anomaly: -14.8 °C
  • Minimum temperature: -45.3 °C

Event center: 76.0°N 251.0°E

Area affected: 92798 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_2022-Dec-21_to_2022-Dec-25_251.0_76.0