Category: Cold spells affecting Canada

22 cold spells identified in Canada since 2020

Cold spell occuring from October 17 2011 to October 25 2011 at 77.5°N 271.0°E

Download data: JSON

Event type: Cold spell

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

  • Canada

Duration: 9 days

Time span: October 17 2011 to October 25 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -9.0 °C
  • Mean temperature: -25.8 °C
  • Minimum temperature anomaly: -14.8 °C
  • Minimum temperature: -34.9 °C

Event center: 77.5°N 271.0°E

Area affected: 65073 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_2011-Oct-17_to_2011-Oct-25_271.0_77.5

Cold spell occuring from October 16 2011 to October 20 2011 at 82.0°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: October 16 2011 to October 20 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -6.6 °C
  • Mean temperature: -22.6 °C
  • Minimum temperature anomaly: -10.4 °C
  • Minimum temperature: -28.6 °C

Event center: 82.0°N 270.0°E

Area affected: 114026 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_2011-Oct-16_to_2011-Oct-20_270.0_82.0

Cold spell occuring from October 12 2011 to October 15 2011 at 64.5°N 288.0°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 12 2011 to October 15 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -7.3 °C
  • Mean temperature: -11.7 °C
  • Minimum temperature anomaly: -10.4 °C
  • Minimum temperature: -17.5 °C

Event center: 64.5°N 288.0°E

Area affected: 97238 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_2011-Oct-12_to_2011-Oct-15_288.0_64.5

Cold spell occuring from October 09 2011 to October 29 2011 at 80.5°N 275.0°E

Download data: JSON

Event type: Cold spell

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

  • Canada
  • Greenland

Duration: 21 days

Time span: October 09 2011 to October 29 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -8.2 °C
  • Mean temperature: -26.2 °C
  • Minimum temperature anomaly: -16.0 °C
  • Minimum temperature: -43.2 °C

Event center: 80.5°N 275.0°E

Area affected: 1614531 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_2011-Oct-09_to_2011-Oct-29_275.0_80.5

Cold spell occuring from October 04 2011 to October 07 2011 at 50.0°N 300.0°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 04 2011 to October 07 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -4.2 °C
  • Mean temperature: 1.2 °C
  • Minimum temperature anomaly: -6.2 °C
  • Minimum temperature: -2.7 °C

Event center: 50.0°N 300.0°E

Area affected: 430684 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_2011-Oct-04_to_2011-Oct-07_300.0_50.0

Cold spell occuring from September 19 2011 to October 09 2011 at 47.0°N 210.5°E

Download data: JSON

Event type: Cold spell

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

  • Canada
  • United States

Duration: 21 days

Time span: September 19 2011 to October 09 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -2.8 °C
  • Mean temperature: 11.8 °C
  • Minimum temperature anomaly: -5.0 °C
  • Minimum temperature: 4.9 °C

Event center: 47.0°N 210.5°E

Area affected: 5074557 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_2011-Sep-19_to_2011-Oct-09_210.5_47.0

Cold spell occuring from September 15 2011 to September 17 2011 at 44.0°N 278.0°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: September 15 2011 to September 17 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -5.9 °C
  • Mean temperature: 10.5 °C
  • Minimum temperature anomaly: -7.6 °C
  • Minimum temperature: 5.6 °C

Event center: 44.0°N 278.0°E

Area affected: 80080 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_2011-Sep-15_to_2011-Sep-17_278.0_44.0

Cold spell occuring from September 14 2011 to September 17 2011 at 36.5°N 266.0°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: September 14 2011 to September 17 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -7.6 °C
  • Mean temperature: 10.9 °C
  • Minimum temperature anomaly: -12.2 °C
  • Minimum temperature: 3.6 °C

Event center: 36.5°N 266.0°E

Area affected: 1362510 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_2011-Sep-14_to_2011-Sep-17_266.0_36.5

Cold spell occuring from September 10 2011 to September 13 2011 at 60.5°N 287.0°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: September 10 2011 to September 13 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -3.8 °C
  • Mean temperature: 1.6 °C
  • Minimum temperature anomaly: -4.4 °C
  • Minimum temperature: -1.7 °C

Event center: 60.5°N 287.0°E

Area affected: 71738 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_2011-Sep-10_to_2011-Sep-13_287.0_60.5

Cold spell occuring from September 05 2011 to September 25 2011 at 76.0°N 344.5°E

Download data: JSON

Event type: Cold spell

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

  • Canada
  • Greenland

Duration: 21 days

Time span: September 05 2011 to September 25 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -6.1 °C
  • Mean temperature: -13.6 °C
  • Minimum temperature anomaly: -11.6 °C
  • Minimum temperature: -23.7 °C

Event center: 76.0°N 15.5°W

Area affected: 1091449 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_2011-Sep-05_to_2011-Sep-25_344.5_76.0