Category: Cold spells affecting Canada

22 cold spells identified in Canada since 2020

Cold spell occuring from July 26 2012 to July 29 2012 at 69.5°N 265.5°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: July 26 2012 to July 29 2012

Statistics over entire affected area:

  • Mean temperature anomaly: -2.9 °C
  • Mean temperature: 0.9 °C
  • Minimum temperature anomaly: -6.8 °C
  • Minimum temperature: -0.1 °C

Event center: 69.5°N 265.5°E

Area affected: 50147 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_2012-Jul-26_to_2012-Jul-29_265.5_69.5

Cold spell occuring from July 23 2012 to July 27 2012 at 55.0°N 284.5°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: July 23 2012 to July 27 2012

Statistics over entire affected area:

  • Mean temperature anomaly: -6.6 °C
  • Mean temperature: 7.7 °C
  • Minimum temperature anomaly: -8.9 °C
  • Minimum temperature: 5.1 °C

Event center: 55.0°N 284.5°E

Area affected: 207959 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_2012-Jul-23_to_2012-Jul-27_284.5_55.0

Cold spell occuring from July 17 2012 to July 20 2012 at 65.0°N 214.5°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: July 17 2012 to July 20 2012

Statistics over entire affected area:

  • Mean temperature anomaly: -5.1 °C
  • Mean temperature: 9.9 °C
  • Minimum temperature anomaly: -6.8 °C
  • Minimum temperature: 5.2 °C

Event center: 65.0°N 214.5°E

Area affected: 166560 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_2012-Jul-17_to_2012-Jul-20_214.5_65.0

Cold spell occuring from July 01 2012 to July 05 2012 at 50.5°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: 5 days

Time span: July 01 2012 to July 05 2012

Statistics over entire affected area:

  • Mean temperature anomaly: -3.0 °C
  • Mean temperature: 11.3 °C
  • Minimum temperature anomaly: -4.7 °C
  • Minimum temperature: 7.8 °C

Event center: 50.5°N 232.0°E

Area affected: 62933 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_2012-Jul-01_to_2012-Jul-05_232.0_50.5

Cold spell occuring from June 04 2012 to June 10 2012 at 47.5°N 237.5°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: June 04 2012 to June 10 2012

Statistics over entire affected area:

  • Mean temperature anomaly: -5.8 °C
  • Mean temperature: 8.5 °C
  • Minimum temperature anomaly: -8.5 °C
  • Minimum temperature: 2.0 °C

Event center: 47.5°N 237.5°E

Area affected: 171262 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_2012-Jun-04_to_2012-Jun-10_237.5_47.5

Cold spell occuring from May 26 2012 to May 30 2012 at 57.0°N 297.0°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: May 26 2012 to May 30 2012

Statistics over entire affected area:

  • Mean temperature anomaly: -4.1 °C
  • Mean temperature: -2.7 °C
  • Minimum temperature anomaly: -6.9 °C
  • Minimum temperature: -5.8 °C

Event center: 57.0°N 297.0°E

Area affected: 227067 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_2012-May-26_to_2012-May-30_297.0_57.0

Cold spell occuring from May 23 2012 to May 31 2012 at 48.0°N 256.5°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: May 23 2012 to May 31 2012

Statistics over entire affected area:

  • Mean temperature anomaly: -7.0 °C
  • Mean temperature: 5.5 °C
  • Minimum temperature anomaly: -12.0 °C
  • Minimum temperature: -4.2 °C

Event center: 48.0°N 256.5°E

Area affected: 842835 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_2012-May-23_to_2012-May-31_256.5_48.0

Cold spell occuring from May 07 2012 to May 21 2012 at 84.0°N 329.0°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: May 07 2012 to May 21 2012

Statistics over entire affected area:

  • Mean temperature anomaly: -4.7 °C
  • Mean temperature: -14.4 °C
  • Minimum temperature anomaly: -7.1 °C
  • Minimum temperature: -19.2 °C

Event center: 84.0°N 329.0°E

Area affected: 284193 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_2012-May-07_to_2012-May-21_329.0_84.0

Cold spell occuring from May 01 2012 to May 05 2012 at 61.0°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: 5 days

Time span: May 01 2012 to May 05 2012

Statistics over entire affected area:

  • Mean temperature anomaly: -3.5 °C
  • Mean temperature: -1.3 °C
  • Minimum temperature anomaly: -10.5 °C
  • Minimum temperature: -11.6 °C

Event center: 61.0°N 210.5°E

Area affected: 129814 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_2012-May-01_to_2012-May-05_210.5_61.0

Cold spell occuring from April 27 2012 to April 29 2012 at 50.0°N 282.5°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 27 2012 to April 29 2012

Statistics over entire affected area:

  • Mean temperature anomaly: -7.7 °C
  • Mean temperature: -2.1 °C
  • Minimum temperature anomaly: -11.5 °C
  • Minimum temperature: -9.3 °C

Event center: 50.0°N 282.5°E

Area affected: 363360 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_2012-Apr-27_to_2012-Apr-29_282.5_50.0