Category: Cold spells affecting Canada

Cold spell occuring from March 30 2023 to April 05 2023 at 56.0°N 279.5°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: March 30 2023 to April 05 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -8.1 °C
  • Mean temperature: -19.0 °C
  • Minimum temperature anomaly: -12.3 °C
  • Minimum temperature: -23.2 °C

Event center: 56.0°N 279.5°E

Area affected: 274527 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_2023-Mar-30_to_2023-Apr-05_279.5_56.0

Cold spell occuring from March 29 2023 to April 14 2023 at 79.0°N 288.0°E

Download data: JSON

Event type: Cold spell

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

  • Canada
  • Greenland

Duration: 17 days

Time span: March 29 2023 to April 14 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -7.8 °C
  • Mean temperature: -32.2 °C
  • Minimum temperature anomaly: -13.6 °C
  • Minimum temperature: -47.0 °C

Event center: 79.0°N 288.0°E

Area affected: 810978 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_2023-Mar-29_to_2023-Apr-14_288.0_79.0

Cold spell occuring from March 25 2023 to April 11 2023 at 73.0°N 284.5°E

Download data: JSON

Event type: Cold spell

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

  • Canada
  • Greenland

Duration: 18 days

Time span: March 25 2023 to April 11 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -5.7 °C
  • Mean temperature: -26.0 °C
  • Minimum temperature anomaly: -11.7 °C
  • Minimum temperature: -38.9 °C

Event center: 73.0°N 284.5°E

Area affected: 176607 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_2023-Mar-25_to_2023-Apr-11_284.5_73.0

Cold spell occuring from March 16 2023 to April 01 2023 at 48.5°N 252.5°E

Download data: JSON

Event type: Cold spell

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

  • Canada
  • Mexico
  • United States

Duration: 17 days

Time span: March 16 2023 to April 01 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -7.0 °C
  • Mean temperature: 0.8 °C
  • Minimum temperature anomaly: -18.5 °C
  • Minimum temperature: -28.1 °C

Event center: 48.5°N 252.5°E

Area affected: 10959071 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_2023-Mar-16_to_2023-Apr-01_252.5_48.5

Cold spell occuring from March 06 2023 to March 10 2023 at 55.0°N 225.0°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: March 06 2023 to March 10 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -3.9 °C
  • Mean temperature: 0.0 °C
  • Minimum temperature anomaly: -8.4 °C
  • Minimum temperature: -8.2 °C

Event center: 55.0°N 225.0°E

Area affected: 109861 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_2023-Mar-06_to_2023-Mar-10_225.0_55.0

Cold spell occuring from March 05 2023 to March 13 2023 at 48.0°N 245.5°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: March 05 2023 to March 13 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -9.2 °C
  • Mean temperature: -12.7 °C
  • Minimum temperature anomaly: -15.7 °C
  • Minimum temperature: -20.8 °C

Event center: 48.0°N 245.5°E

Area affected: 180198 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_2023-Mar-05_to_2023-Mar-13_245.5_48.0

Cold spell occuring from March 05 2023 to March 09 2023 at 62.5°N 229.5°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: March 05 2023 to March 09 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -11.1 °C
  • Mean temperature: -26.9 °C
  • Minimum temperature anomaly: -17.4 °C
  • Minimum temperature: -37.0 °C

Event center: 62.5°N 229.5°E

Area affected: 214525 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_2023-Mar-05_to_2023-Mar-09_229.5_62.5

Cold spell occuring from February 09 2023 to February 23 2023 at 79.5°N 294.0°E

Download data: JSON

Event type: Cold spell

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

  • Canada
  • Greenland

Duration: 15 days

Time span: February 09 2023 to February 23 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -8.4 °C
  • Mean temperature: -38.8 °C
  • Minimum temperature anomaly: -12.8 °C
  • Minimum temperature: -47.3 °C

Event center: 79.5°N 294.0°E

Area affected: 159484 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_2023-Feb-09_to_2023-Feb-23_294.0_79.5

Cold spell occuring from February 07 2023 to February 15 2023 at 68.0°N 299.5°E

Download data: JSON

Event type: Cold spell

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

  • Canada
  • Greenland

Duration: 9 days

Time span: February 07 2023 to February 15 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -8.5 °C
  • Mean temperature: -29.7 °C
  • Minimum temperature anomaly: -14.7 °C
  • Minimum temperature: -34.4 °C

Event center: 68.0°N 299.5°E

Area affected: 323533 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_2023-Feb-07_to_2023-Feb-15_299.5_68.0

Cold spell occuring from February 03 2023 to February 14 2023 at 70.0°N 259.0°E

Download data: JSON

Event type: Cold spell

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

  • Canada

Duration: 12 days

Time span: February 03 2023 to February 14 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -8.4 °C
  • Mean temperature: -38.6 °C
  • Minimum temperature anomaly: -14.3 °C
  • Minimum temperature: -46.8 °C

Event center: 70.0°N 259.0°E

Area affected: 151952 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_2023-Feb-03_to_2023-Feb-14_259.0_70.0