Category: Extremes affecting Canada

Cold spell occuring from January 20 2012 to January 24 2012 at 67.5°N 260.0°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: January 20 2012 to January 24 2012

Statistics over entire affected area:

  • Mean temperature anomaly: -11.7 °C
  • Mean temperature: -43.5 °C
  • Minimum temperature anomaly: -20.2 °C
  • Minimum temperature: -52.5 °C

Event center: 67.5°N 260.0°E

Area affected: 86576 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-Jan-20_to_2012-Jan-24_260.0_67.5

Heat wave occuring from January 10 2012 to January 29 2012 at 62.0°N 138.5°E

Download data: JSON

Event type: Heat wave

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

  • Canada
  • Norway
  • Russian Federation

Duration: 20 days

Time span: January 10 2012 to January 29 2012

Statistics over entire affected area:

  • Mean temperature anomaly: 11.9 °C
  • Mean temperature: -13.4 °C
  • Maximum temperature anomaly: 35.6 °C
  • Maximum temperature: 4.3 °C

Event center: 62.0°N 138.5°E

Area affected: 9285928 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: Heat_wave_2012-Jan-10_to_2012-Jan-29_138.5_62.0

Heat wave occuring from January 05 2012 to January 11 2012 at 46.5°N 267.0°E

Download data: JSON

Event type: Heat wave

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

  • Canada
  • United States

Duration: 7 days

Time span: January 05 2012 to January 11 2012

Statistics over entire affected area:

  • Mean temperature anomaly: 11.1 °C
  • Mean temperature: 0.9 °C
  • Maximum temperature anomaly: 15.8 °C
  • Maximum temperature: 4.2 °C

Event center: 46.5°N 267.0°E

Area affected: 321060 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: Heat_wave_2012-Jan-05_to_2012-Jan-11_267.0_46.5

Cold spell occuring from January 03 2012 to January 10 2012 at 67.0°N 278.5°E

Download data: JSON

Event type: Cold spell

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

  • Canada

Duration: 8 days

Time span: January 03 2012 to January 10 2012

Statistics over entire affected area:

  • Mean temperature anomaly: -8.1 °C
  • Mean temperature: -38.3 °C
  • Minimum temperature anomaly: -12.6 °C
  • Minimum temperature: -44.8 °C

Event center: 67.0°N 278.5°E

Area affected: 98359 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-Jan-03_to_2012-Jan-10_278.5_67.0

Heat wave occuring from January 02 2012 to January 10 2012 at 52.5°N 253.5°E

Download data: JSON

Event type: Heat wave

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

  • Canada
  • United States

Duration: 9 days

Time span: January 02 2012 to January 10 2012

Statistics over entire affected area:

  • Mean temperature anomaly: 13.6 °C
  • Mean temperature: 1.8 °C
  • Maximum temperature anomaly: 20.5 °C
  • Maximum temperature: 12.1 °C

Event center: 52.5°N 253.5°E

Area affected: 2263076 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: Heat_wave_2012-Jan-02_to_2012-Jan-10_253.5_52.5

Heat wave occuring from December 31 2011 to January 03 2012 at 45.0°N 299.0°E

Download data: JSON

Event type: Heat wave

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

  • Canada

Duration: 4 days

Time span: December 31 2011 to January 03 2012

Statistics over entire affected area:

  • Mean temperature anomaly: 5.3 °C
  • Mean temperature: 5.0 °C
  • Maximum temperature anomaly: 8.3 °C
  • Maximum temperature: 11.0 °C

Event center: 45.0°N 299.0°E

Area affected: 260830 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: Heat_wave_2011-Dec-31_to_2012-Jan-03_299.0_45.0

Cold spell occuring from December 30 2011 to January 12 2012 at 79.0°N 286.0°E

Download data: JSON

Event type: Cold spell

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

  • Canada
  • Greenland

Duration: 14 days

Time span: December 30 2011 to January 12 2012

Statistics over entire affected area:

  • Mean temperature anomaly: -12.4 °C
  • Mean temperature: -35.9 °C
  • Minimum temperature anomaly: -21.9 °C
  • Minimum temperature: -51.2 °C

Event center: 79.0°N 286.0°E

Area affected: 791408 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-Dec-30_to_2012-Jan-12_286.0_79.0

Cold spell occuring from December 30 2011 to January 04 2012 at 77.5°N 231.0°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: December 30 2011 to January 04 2012

Statistics over entire affected area:

  • Mean temperature anomaly: -6.2 °C
  • Mean temperature: -31.6 °C
  • Minimum temperature anomaly: -11.1 °C
  • Minimum temperature: -40.6 °C

Event center: 77.5°N 231.0°E

Area affected: 80708 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-Dec-30_to_2012-Jan-04_231.0_77.5

Cold spell occuring from December 28 2011 to January 01 2012 at 71.0°N 242.5°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: December 28 2011 to January 01 2012

Statistics over entire affected area:

  • Mean temperature anomaly: -8.5 °C
  • Mean temperature: -37.0 °C
  • Minimum temperature anomaly: -13.6 °C
  • Minimum temperature: -43.8 °C

Event center: 71.0°N 242.5°E

Area affected: 191210 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-Dec-28_to_2012-Jan-01_242.5_71.0

Heat wave occuring from December 24 2011 to January 07 2012 at 37.0°N 241.5°E

Download data: JSON

Event type: Heat wave

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

  • Canada
  • Mexico
  • United States

Duration: 15 days

Time span: December 24 2011 to January 07 2012

Statistics over entire affected area:

  • Mean temperature anomaly: 8.7 °C
  • Mean temperature: 5.3 °C
  • Maximum temperature anomaly: 15.5 °C
  • Maximum temperature: 24.2 °C

Event center: 37.0°N 241.5°E

Area affected: 3249233 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: Heat_wave_2011-Dec-24_to_2012-Jan-07_241.5_37.0