Category: Extremes affecting Canada

Cold spell occuring from January 03 2015 to January 06 2015 at 55.0°N 277.5°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: January 03 2015 to January 06 2015

Statistics over entire affected area:

  • Mean temperature anomaly: -12.9 °C
  • Mean temperature: -35.7 °C
  • Minimum temperature anomaly: -16.8 °C
  • Minimum temperature: -40.3 °C

Event center: 55.0°N 277.5°E

Area affected: 104351 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_2015-Jan-03_to_2015-Jan-06_277.5_55.0

Heat wave occuring from December 31 2014 to January 09 2015 at 77.5°N 256.0°E

Download data: JSON

Event type: Heat wave

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

  • Canada

Duration: 10 days

Time span: December 31 2014 to January 09 2015

Statistics over entire affected area:

  • Mean temperature anomaly: 7.9 °C
  • Mean temperature: -19.4 °C
  • Maximum temperature anomaly: 13.6 °C
  • Maximum temperature: -14.4 °C

Event center: 77.5°N 256.0°E

Area affected: 369194 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_2014-Dec-31_to_2015-Jan-09_256.0_77.5

Cold spell occuring from December 27 2014 to January 04 2015 at 37.5°N 255.5°E

Download data: JSON

Event type: Cold spell

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

  • Canada
  • Mexico
  • United States

Duration: 9 days

Time span: December 27 2014 to January 04 2015

Statistics over entire affected area:

  • Mean temperature anomaly: -10.5 °C
  • Mean temperature: -11.6 °C
  • Minimum temperature anomaly: -21.0 °C
  • Minimum temperature: -27.9 °C

Event center: 37.5°N 255.5°E

Area affected: 1419454 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_2014-Dec-27_to_2015-Jan-04_255.5_37.5

Cold spell occuring from December 25 2014 to December 27 2014 at 60.5°N 247.5°E

Download data: JSON

Event type: Cold spell

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

  • Canada

Duration: 3 days

Time span: December 25 2014 to December 27 2014

Statistics over entire affected area:

  • Mean temperature anomaly: -14.2 °C
  • Mean temperature: -35.2 °C
  • Minimum temperature anomaly: -20.5 °C
  • Minimum temperature: -41.2 °C

Event center: 60.5°N 247.5°E

Area affected: 57294 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_2014-Dec-25_to_2014-Dec-27_247.5_60.5

Heat wave occuring from December 24 2014 to December 28 2014 at 43.0°N 283.5°E

Download data: JSON

Event type: Heat wave

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

  • Canada
  • United States

Duration: 5 days

Time span: December 24 2014 to December 28 2014

Statistics over entire affected area:

  • Mean temperature anomaly: 9.8 °C
  • Mean temperature: 1.8 °C
  • Maximum temperature anomaly: 15.0 °C
  • Maximum temperature: 12.0 °C

Event center: 43.0°N 283.5°E

Area affected: 580773 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_2014-Dec-24_to_2014-Dec-28_283.5_43.0

Heat wave occuring from December 23 2014 to December 27 2014 at 57.5°N 284.0°E

Download data: JSON

Event type: Heat wave

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

  • Canada

Duration: 5 days

Time span: December 23 2014 to December 27 2014

Statistics over entire affected area:

  • Mean temperature anomaly: 13.6 °C
  • Mean temperature: -6.1 °C
  • Maximum temperature anomaly: 18.7 °C
  • Maximum temperature: -1.5 °C

Event center: 57.5°N 284.0°E

Area affected: 236777 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_2014-Dec-23_to_2014-Dec-27_284.0_57.5

Heat wave occuring from December 20 2014 to December 25 2014 at 57.0°N 234.0°E

Download data: JSON

Event type: Heat wave

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

  • Canada
  • United States

Duration: 6 days

Time span: December 20 2014 to December 25 2014

Statistics over entire affected area:

  • Mean temperature anomaly: 8.1 °C
  • Mean temperature: -3.3 °C
  • Maximum temperature anomaly: 10.5 °C
  • Maximum temperature: 6.8 °C

Event center: 57.0°N 234.0°E

Area affected: 63029 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_2014-Dec-20_to_2014-Dec-25_234.0_57.0

Heat wave occuring from December 19 2014 to December 26 2014 at 53.0°N 272.5°E

Download data: JSON

Event type: Heat wave

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

  • Canada
  • United States

Duration: 8 days

Time span: December 19 2014 to December 26 2014

Statistics over entire affected area:

  • Mean temperature anomaly: 12.4 °C
  • Mean temperature: -3.2 °C
  • Maximum temperature anomaly: 18.2 °C
  • Maximum temperature: 5.9 °C

Event center: 53.0°N 272.5°E

Area affected: 1410818 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_2014-Dec-19_to_2014-Dec-26_272.5_53.0

Heat wave occuring from December 15 2014 to December 18 2014 at 68.0°N 210.5°E

Download data: JSON

Event type: Heat wave

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

  • Canada
  • United States

Duration: 4 days

Time span: December 15 2014 to December 18 2014

Statistics over entire affected area:

  • Mean temperature anomaly: 10.3 °C
  • Mean temperature: -13.6 °C
  • Maximum temperature anomaly: 14.6 °C
  • Maximum temperature: -9.5 °C

Event center: 68.0°N 210.5°E

Area affected: 117677 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_2014-Dec-15_to_2014-Dec-18_210.5_68.0

Heat wave occuring from December 14 2014 to December 17 2014 at 57.0°N 226.5°E

Download data: JSON

Event type: Heat wave

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

  • Canada
  • United States

Duration: 4 days

Time span: December 14 2014 to December 17 2014

Statistics over entire affected area:

  • Mean temperature anomaly: 6.5 °C
  • Mean temperature: 3.2 °C
  • Maximum temperature anomaly: 13.1 °C
  • Maximum temperature: 10.0 °C

Event center: 57.0°N 226.5°E

Area affected: 121668 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_2014-Dec-14_to_2014-Dec-17_226.5_57.0