Category: Cold spells affecting Canada

Cold spell occuring from May 26 2021 to June 05 2021 at 36.5°N 264.0°E

Download data: JSON

Event type: Cold spell

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

  • Canada
  • Mexico
  • United States

Duration: 11 days

Time span: May 26 2021 to June 05 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -5.9 °C
  • Mean temperature: 16.3 °C
  • Minimum temperature anomaly: -11.7 °C
  • Minimum temperature: 4.7 °C

Event center: 36.5°N 264.0°E

Area affected: 2511146 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_2021-May-26_to_2021-Jun-05_264.0_36.5

Cold spell occuring from May 15 2021 to May 24 2021 at 42.0°N 235.0°E

Download data: JSON

Event type: Cold spell

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

  • Canada
  • United States

Duration: 10 days

Time span: May 15 2021 to May 24 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -2.5 °C
  • Mean temperature: 9.2 °C
  • Minimum temperature anomaly: -4.9 °C
  • Minimum temperature: 5.1 °C

Event center: 42.0°N 235.0°E

Area affected: 73323 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_2021-May-15_to_2021-May-24_235.0_42.0

Cold spell occuring from May 09 2021 to May 28 2021 at 64.0°N 285.0°E

Download data: JSON

Event type: Cold spell

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

  • Canada
  • United States

Duration: 20 days

Time span: May 09 2021 to May 28 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -5.7 °C
  • Mean temperature: -10.1 °C
  • Minimum temperature anomaly: -14.5 °C
  • Minimum temperature: -30.1 °C

Event center: 64.0°N 285.0°E

Area affected: 5785885 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_2021-May-09_to_2021-May-28_285.0_64.0

Cold spell occuring from May 05 2021 to May 12 2021 at 40.5°N 273.5°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: May 05 2021 to May 12 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -6.8 °C
  • Mean temperature: 8.2 °C
  • Minimum temperature anomaly: -10.2 °C
  • Minimum temperature: 2.9 °C

Event center: 40.5°N 273.5°E

Area affected: 599299 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_2021-May-05_to_2021-May-12_273.5_40.5

Cold spell occuring from April 22 2021 to May 01 2021 at 59.0°N 244.0°E

Download data: JSON

Event type: Cold spell

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

  • Canada

Duration: 10 days

Time span: April 22 2021 to May 01 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -9.6 °C
  • Mean temperature: -10.3 °C
  • Minimum temperature anomaly: -20.0 °C
  • Minimum temperature: -23.1 °C

Event center: 59.0°N 244.0°E

Area affected: 1507332 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_2021-Apr-22_to_2021-May-01_244.0_59.0

Cold spell occuring from April 19 2021 to April 21 2021 at 49.0°N 271.5°E

Download data: JSON

Event type: Cold spell

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

  • Canada
  • United States

Duration: 3 days

Time span: April 19 2021 to April 21 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -7.0 °C
  • Mean temperature: -0.9 °C
  • Minimum temperature anomaly: -9.9 °C
  • Minimum temperature: -6.8 °C

Event center: 49.0°N 271.5°E

Area affected: 251857 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_2021-Apr-19_to_2021-Apr-21_271.5_49.0

Cold spell occuring from April 11 2021 to April 16 2021 at 74.5°N 257.0°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: April 11 2021 to April 16 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -6.6 °C
  • Mean temperature: -26.4 °C
  • Minimum temperature anomaly: -10.6 °C
  • Minimum temperature: -31.6 °C

Event center: 74.5°N 257.0°E

Area affected: 93174 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_2021-Apr-11_to_2021-Apr-16_257.0_74.5

Cold spell occuring from April 08 2021 to April 17 2021 at 87.0°N 276.5°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: April 08 2021 to April 17 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -5.9 °C
  • Mean temperature: -25.4 °C
  • Minimum temperature anomaly: -9.1 °C
  • Minimum temperature: -27.0 °C

Event center: 87.0°N 276.5°E

Area affected: 565543 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_2021-Apr-08_to_2021-Apr-17_276.5_87.0

Cold spell occuring from March 22 2021 to March 25 2021 at 65.5°N 253.0°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: March 22 2021 to March 25 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -10.2 °C
  • Mean temperature: -31.7 °C
  • Minimum temperature anomaly: -12.9 °C
  • Minimum temperature: -34.6 °C

Event center: 65.5°N 253.0°E

Area affected: 125615 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_2021-Mar-22_to_2021-Mar-25_253.0_65.5

Cold spell occuring from March 15 2021 to April 23 2021 at 71.0°N 221.0°E

Download data: JSON

Event type: Cold spell

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

  • Canada
  • Russian Federation
  • United States

Duration: 40 days

Time span: March 15 2021 to April 23 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -8.2 °C
  • Mean temperature: -26.7 °C
  • Minimum temperature anomaly: -22.8 °C
  • Minimum temperature: -43.6 °C

Event center: 71.0°N 221.0°E

Area affected: 14898697 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_2021-Mar-15_to_2021-Apr-23_221.0_71.0