Category: Cold spells affecting Canada

22 cold spells identified in Canada since 2020

Cold spell occuring from April 08 2011 to April 16 2011 at 69.0°N 232.0°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 08 2011 to April 16 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -8.9 °C
  • Mean temperature: -22.3 °C
  • Minimum temperature anomaly: -16.1 °C
  • Minimum temperature: -33.2 °C

Event center: 69.0°N 232.0°E

Area affected: 1508156 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-Apr-08_to_2011-Apr-16_232.0_69.0

Cold spell occuring from April 07 2011 to April 11 2011 at 67.5°N 294.0°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: April 07 2011 to April 11 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -7.1 °C
  • Mean temperature: -24.0 °C
  • Minimum temperature anomaly: -9.9 °C
  • Minimum temperature: -31.2 °C

Event center: 67.5°N 294.0°E

Area affected: 60956 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-Apr-07_to_2011-Apr-11_294.0_67.5

Cold spell occuring from April 03 2011 to May 04 2011 at 79.5°N 288.0°E

Download data: JSON

Event type: Cold spell

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

  • Canada
  • Greenland
  • United States

Duration: 32 days

Time span: April 03 2011 to May 04 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -7.6 °C
  • Mean temperature: -24.4 °C
  • Minimum temperature anomaly: -19.8 °C
  • Minimum temperature: -46.6 °C

Event center: 79.5°N 288.0°E

Area affected: 8970682 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-Apr-03_to_2011-May-04_288.0_79.5

Cold spell occuring from March 22 2011 to April 02 2011 at 44.5°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: 12 days

Time span: March 22 2011 to April 02 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -8.1 °C
  • Mean temperature: -6.9 °C
  • Minimum temperature anomaly: -14.1 °C
  • Minimum temperature: -25.7 °C

Event center: 44.5°N 271.5°E

Area affected: 2692399 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-Mar-22_to_2011-Apr-02_271.5_44.5

Cold spell occuring from March 10 2011 to March 15 2011 at 76.0°N 249.0°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: March 10 2011 to March 15 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -7.2 °C
  • Mean temperature: -34.5 °C
  • Minimum temperature anomaly: -12.0 °C
  • Minimum temperature: -43.1 °C

Event center: 76.0°N 249.0°E

Area affected: 115718 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-Mar-10_to_2011-Mar-15_249.0_76.0

Cold spell occuring from March 09 2011 to March 17 2011 at 66.5°N 238.5°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 09 2011 to March 17 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -10.5 °C
  • Mean temperature: -32.3 °C
  • Minimum temperature anomaly: -18.6 °C
  • Minimum temperature: -44.2 °C

Event center: 66.5°N 238.5°E

Area affected: 1354057 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-Mar-09_to_2011-Mar-17_238.5_66.5

Cold spell occuring from March 03 2011 to March 06 2011 at 61.5°N 245.5°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 03 2011 to March 06 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -11.2 °C
  • Mean temperature: -31.1 °C
  • Minimum temperature anomaly: -14.5 °C
  • Minimum temperature: -36.2 °C

Event center: 61.5°N 245.5°E

Area affected: 50906 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-Mar-03_to_2011-Mar-06_245.5_61.5

Cold spell occuring from February 21 2011 to February 27 2011 at 80.0°N 291.0°E

Download data: JSON

Event type: Cold spell

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

  • Canada
  • Greenland

Duration: 7 days

Time span: February 21 2011 to February 27 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -8.4 °C
  • Mean temperature: -33.9 °C
  • Minimum temperature anomaly: -12.8 °C
  • Minimum temperature: -44.2 °C

Event center: 80.0°N 291.0°E

Area affected: 55556 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-Feb-21_to_2011-Feb-27_291.0_80.0

Cold spell occuring from February 19 2011 to February 27 2011 at 77.0°N 268.0°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: February 19 2011 to February 27 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -6.9 °C
  • Mean temperature: -37.8 °C
  • Minimum temperature anomaly: -12.3 °C
  • Minimum temperature: -50.5 °C

Event center: 77.0°N 268.0°E

Area affected: 134642 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-Feb-19_to_2011-Feb-27_268.0_77.0

Cold spell occuring from January 31 2011 to February 06 2011 at 73.0°N 282.5°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: January 31 2011 to February 06 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -7.6 °C
  • Mean temperature: -36.4 °C
  • Minimum temperature anomaly: -12.7 °C
  • Minimum temperature: -45.9 °C

Event center: 73.0°N 282.5°E

Area affected: 75995 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-Jan-31_to_2011-Feb-06_282.5_73.0