Category: Cold spells affecting Canada

22 cold spells identified in Canada since 2020

Cold spell occuring from November 07 2012 to November 13 2012 at 38.5°N 239.5°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: November 07 2012 to November 13 2012

Statistics over entire affected area:

  • Mean temperature anomaly: -3.1 °C
  • Mean temperature: 8.8 °C
  • Minimum temperature anomaly: -12.3 °C
  • Minimum temperature: -13.6 °C

Event center: 38.5°N 239.5°E

Area affected: 1283708 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-Nov-07_to_2012-Nov-13_239.5_38.5

Cold spell occuring from November 03 2012 to November 08 2012 at 76.0°N 263.5°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: November 03 2012 to November 08 2012

Statistics over entire affected area:

  • Mean temperature anomaly: -7.4 °C
  • Mean temperature: -27.8 °C
  • Minimum temperature anomaly: -13.0 °C
  • Minimum temperature: -35.7 °C

Event center: 76.0°N 263.5°E

Area affected: 192338 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-Nov-03_to_2012-Nov-08_263.5_76.0

Cold spell occuring from October 27 2012 to October 31 2012 at 55.5°N 271.0°E

Download data: JSON

Event type: Cold spell

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

  • Canada

Duration: 5 days

Time span: October 27 2012 to October 31 2012

Statistics over entire affected area:

  • Mean temperature anomaly: -6.7 °C
  • Mean temperature: -9.1 °C
  • Minimum temperature anomaly: -11.8 °C
  • Minimum temperature: -15.6 °C

Event center: 55.5°N 271.0°E

Area affected: 57168 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-Oct-27_to_2012-Oct-31_271.0_55.5

Cold spell occuring from October 13 2012 to November 04 2012 at 57.0°N 228.0°E

Download data: JSON

Event type: Cold spell

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

  • Canada
  • United States

Duration: 23 days

Time span: October 13 2012 to November 04 2012

Statistics over entire affected area:

  • Mean temperature anomaly: -4.9 °C
  • Mean temperature: 1.2 °C
  • Minimum temperature anomaly: -20.5 °C
  • Minimum temperature: -32.8 °C

Event center: 57.0°N 228.0°E

Area affected: 9547371 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-Oct-13_to_2012-Nov-04_228.0_57.0

Cold spell occuring from October 13 2012 to October 16 2012 at 56.0°N 297.5°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: October 13 2012 to October 16 2012

Statistics over entire affected area:

  • Mean temperature anomaly: -5.0 °C
  • Mean temperature: -3.9 °C
  • Minimum temperature anomaly: -7.2 °C
  • Minimum temperature: -9.4 °C

Event center: 56.0°N 297.5°E

Area affected: 99630 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-Oct-13_to_2012-Oct-16_297.5_56.0

Cold spell occuring from October 12 2012 to October 14 2012 at 47.0°N 293.5°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: October 12 2012 to October 14 2012

Statistics over entire affected area:

  • Mean temperature anomaly: -5.1 °C
  • Mean temperature: 1.4 °C
  • Minimum temperature anomaly: -7.0 °C
  • Minimum temperature: -0.7 °C

Event center: 47.0°N 293.5°E

Area affected: 58369 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-Oct-12_to_2012-Oct-14_293.5_47.0

Cold spell occuring from October 04 2012 to October 11 2012 at 33.0°N 258.5°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: October 04 2012 to October 11 2012

Statistics over entire affected area:

  • Mean temperature anomaly: -8.3 °C
  • Mean temperature: 7.1 °C
  • Minimum temperature anomaly: -12.9 °C
  • Minimum temperature: -7.4 °C

Event center: 33.0°N 258.5°E

Area affected: 2962296 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-Oct-04_to_2012-Oct-11_258.5_33.0

Cold spell occuring from October 03 2012 to October 07 2012 at 44.5°N 250.5°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: October 03 2012 to October 07 2012

Statistics over entire affected area:

  • Mean temperature anomaly: -7.3 °C
  • Mean temperature: -0.2 °C
  • Minimum temperature anomaly: -13.6 °C
  • Minimum temperature: -10.7 °C

Event center: 44.5°N 250.5°E

Area affected: 163984 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-Oct-03_to_2012-Oct-07_250.5_44.5

Cold spell occuring from August 28 2012 to October 08 2012 at 63.0°N 189.0°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: 42 days

Time span: August 28 2012 to October 08 2012

Statistics over entire affected area:

  • Mean temperature anomaly: -2.7 °C
  • Mean temperature: 7.7 °C
  • Minimum temperature anomaly: -13.2 °C
  • Minimum temperature: -19.5 °C

Event center: 63.0°N 189.0°E

Area affected: 10458482 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-Aug-28_to_2012-Oct-08_189.0_63.0

Cold spell occuring from August 17 2012 to August 20 2012 at 52.5°N 274.5°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: August 17 2012 to August 20 2012

Statistics over entire affected area:

  • Mean temperature anomaly: -6.8 °C
  • Mean temperature: 8.4 °C
  • Minimum temperature anomaly: -10.1 °C
  • Minimum temperature: 5.5 °C

Event center: 52.5°N 274.5°E

Area affected: 378906 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-Aug-17_to_2012-Aug-20_274.5_52.5