Category: Cold spells affecting Canada

Cold spell occuring from May 19 2023 to May 24 2023 at 72.5°N 281.5°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: May 19 2023 to May 24 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -5.5 °C
  • Mean temperature: -9.9 °C
  • Minimum temperature anomaly: -9.6 °C
  • Minimum temperature: -16.8 °C

Event center: 72.5°N 281.5°E

Area affected: 805587 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-May-19_to_2023-May-24_281.5_72.5

Cold spell occuring from May 16 2023 to May 18 2023 at 48.5°N 282.5°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: May 16 2023 to May 18 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -6.8 °C
  • Mean temperature: -0.4 °C
  • Minimum temperature anomaly: -10.5 °C
  • Minimum temperature: -3.8 °C

Event center: 48.5°N 282.5°E

Area affected: 139867 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-May-16_to_2023-May-18_282.5_48.5

Cold spell occuring from May 08 2023 to May 17 2023 at 79.0°N 287.0°E

Download data: JSON

Event type: Cold spell

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

  • Canada
  • Greenland

Duration: 10 days

Time span: May 08 2023 to May 17 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -7.3 °C
  • Mean temperature: -24.2 °C
  • Minimum temperature anomaly: -10.7 °C
  • Minimum temperature: -31.4 °C

Event center: 79.0°N 287.0°E

Area affected: 737912 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-May-08_to_2023-May-17_287.0_79.0

Cold spell occuring from May 05 2023 to June 04 2023 at 80.5°N 278.0°E

Download data: JSON

Event type: Cold spell

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

  • Canada
  • Greenland
  • Russian Federation

Duration: 31 days

Time span: May 05 2023 to June 04 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -4.4 °C
  • Mean temperature: -10.5 °C
  • Minimum temperature anomaly: -12.0 °C
  • Minimum temperature: -23.9 °C

Event center: 80.5°N 278.0°E

Area affected: 4523104 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-May-05_to_2023-Jun-04_278.0_80.5

Cold spell occuring from May 01 2023 to May 04 2023 at 39.0°N 280.0°E

Download data: JSON

Event type: Cold spell

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

  • Canada
  • United States

Duration: 4 days

Time span: May 01 2023 to May 04 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -7.0 °C
  • Mean temperature: 6.5 °C
  • Minimum temperature anomaly: -9.9 °C
  • Minimum temperature: 2.1 °C

Event center: 39.0°N 280.0°E

Area affected: 431629 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-May-01_to_2023-May-04_280.0_39.0

Cold spell occuring from April 18 2023 to April 26 2023 at 49.0°N 255.0°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: April 18 2023 to April 26 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -7.2 °C
  • Mean temperature: 1.4 °C
  • Minimum temperature anomaly: -14.3 °C
  • Minimum temperature: -11.3 °C

Event center: 49.0°N 255.0°E

Area affected: 2962241 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-Apr-18_to_2023-Apr-26_255.0_49.0

Cold spell occuring from April 11 2023 to April 17 2023 at 42.0°N 234.5°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: April 11 2023 to April 17 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -2.0 °C
  • Mean temperature: 7.6 °C
  • Minimum temperature anomaly: -3.6 °C
  • Minimum temperature: 2.3 °C

Event center: 42.0°N 234.5°E

Area affected: 496594 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-Apr-11_to_2023-Apr-17_234.5_42.0

Cold spell occuring from April 02 2023 to May 03 2023 at 59.5°N 204.5°E

Download data: JSON

Event type: Cold spell

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

  • Canada
  • Russian Federation
  • Svalbard and Jan Mayen
  • United States

Duration: 32 days

Time span: April 02 2023 to May 03 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -6.8 °C
  • Mean temperature: -18.7 °C
  • Minimum temperature anomaly: -25.9 °C
  • Minimum temperature: -37.5 °C

Event center: 59.5°N 204.5°E

Area affected: 11288963 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-Apr-02_to_2023-May-03_204.5_59.5

Cold spell occuring from March 31 2023 to April 11 2023 at 72.0°N 267.5°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: March 31 2023 to April 11 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -5.9 °C
  • Mean temperature: -25.5 °C
  • Minimum temperature anomaly: -8.0 °C
  • Minimum temperature: -30.6 °C

Event center: 72.0°N 267.5°E

Area affected: 58715 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-31_to_2023-Apr-11_267.5_72.0

Cold spell occuring from March 30 2023 to April 20 2023 at 27.5°N 245.0°E

Download data: JSON

Event type: Cold spell

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

  • Canada
  • Mexico
  • United States

Duration: 22 days

Time span: March 30 2023 to April 20 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -4.2 °C
  • Mean temperature: 8.5 °C
  • Minimum temperature anomaly: -18.8 °C
  • Minimum temperature: -17.4 °C

Event center: 27.5°N 245.0°E

Area affected: 5445032 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-20_245.0_27.5