Category: Extremes affecting Canada

Heat wave occuring from March 26 2015 to April 28 2015 at 85.0°N 244.5°E

Download data: JSON

Event type: Heat wave

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

  • Canada
  • Greenland
  • Norway
  • Russian Federation

Duration: 34 days

Time span: March 26 2015 to April 28 2015

Statistics over entire affected area:

  • Mean temperature anomaly: 8.7 °C
  • Mean temperature: -8.0 °C
  • Maximum temperature anomaly: 18.8 °C
  • Maximum temperature: 4.4 °C

Event center: 85.0°N 244.5°E

Area affected: 6821065 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_2015-Mar-26_to_2015-Apr-28_244.5_85.0

Cold spell occuring from March 22 2015 to March 24 2015 at 44.0°N 291.0°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: March 22 2015 to March 24 2015

Statistics over entire affected area:

  • Mean temperature anomaly: -7.9 °C
  • Mean temperature: -8.2 °C
  • Minimum temperature anomaly: -12.2 °C
  • Minimum temperature: -15.4 °C

Event center: 44.0°N 291.0°E

Area affected: 414997 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-Mar-22_to_2015-Mar-24_291.0_44.0

Cold spell occuring from March 21 2015 to March 23 2015 at 49.5°N 277.0°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: March 21 2015 to March 23 2015

Statistics over entire affected area:

  • Mean temperature anomaly: -10.3 °C
  • Mean temperature: -17.5 °C
  • Minimum temperature anomaly: -12.3 °C
  • Minimum temperature: -21.1 °C

Event center: 49.5°N 277.0°E

Area affected: 139481 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-Mar-21_to_2015-Mar-23_277.0_49.5

Heat wave occuring from March 15 2015 to March 30 2015 at 75.5°N 285.0°E

Download data: JSON

Event type: Heat wave

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

  • Canada
  • Greenland

Duration: 16 days

Time span: March 15 2015 to March 30 2015

Statistics over entire affected area:

  • Mean temperature anomaly: 9.1 °C
  • Mean temperature: -14.7 °C
  • Maximum temperature anomaly: 23.7 °C
  • Maximum temperature: -5.9 °C

Event center: 75.5°N 285.0°E

Area affected: 1166930 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_2015-Mar-15_to_2015-Mar-30_285.0_75.5

Cold spell occuring from March 12 2015 to March 16 2015 at 48.0°N 312.0°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: March 12 2015 to March 16 2015

Statistics over entire affected area:

  • Mean temperature anomaly: -6.7 °C
  • Mean temperature: -2.6 °C
  • Minimum temperature anomaly: -12.4 °C
  • Minimum temperature: -24.6 °C

Event center: 48.0°N 312.0°E

Area affected: 2706199 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-Mar-12_to_2015-Mar-16_312.0_48.0

Cold spell occuring from March 06 2015 to March 11 2015 at 61.0°N 284.5°E

Download data: JSON

Event type: Cold spell

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

  • Canada

Duration: 6 days

Time span: March 06 2015 to March 11 2015

Statistics over entire affected area:

  • Mean temperature anomaly: -9.1 °C
  • Mean temperature: -34.0 °C
  • Minimum temperature anomaly: -11.4 °C
  • Minimum temperature: -36.7 °C

Event center: 61.0°N 284.5°E

Area affected: 78155 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-Mar-06_to_2015-Mar-11_284.5_61.0

Cold spell occuring from March 03 2015 to March 15 2015 at 73.0°N 283.5°E

Download data: JSON

Event type: Cold spell

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

  • Canada

Duration: 13 days

Time span: March 03 2015 to March 15 2015

Statistics over entire affected area:

  • Mean temperature anomaly: -9.4 °C
  • Mean temperature: -34.7 °C
  • Minimum temperature anomaly: -15.7 °C
  • Minimum temperature: -49.0 °C

Event center: 73.0°N 283.5°E

Area affected: 538850 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-Mar-03_to_2015-Mar-15_283.5_73.0

Cold spell occuring from February 23 2015 to February 28 2015 at 61.0°N 283.0°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: February 23 2015 to February 28 2015

Statistics over entire affected area:

  • Mean temperature anomaly: -9.5 °C
  • Mean temperature: -35.9 °C
  • Minimum temperature anomaly: -11.2 °C
  • Minimum temperature: -38.4 °C

Event center: 61.0°N 283.0°E

Area affected: 60128 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-Feb-23_to_2015-Feb-28_283.0_61.0

Heat wave occuring from February 17 2015 to March 27 2015 at 50.5°N 144.5°E

Download data: JSON

Event type: Heat wave

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

  • Belarus
  • Canada
  • Estonia
  • Finland
  • Greenland
  • Japan
  • Kazakhstan
  • Latvia
  • Lithuania
  • Norway
  • Poland
  • Russian Federation
  • Sweden
  • Ukraine

Duration: 39 days

Time span: February 17 2015 to March 27 2015

Statistics over entire affected area:

  • Mean temperature anomaly: 9.8 °C
  • Mean temperature: -7.7 °C
  • Maximum temperature anomaly: 23.8 °C
  • Maximum temperature: 10.5 °C

Event center: 50.5°N 144.5°E

Area affected: 17246311 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_2015-Feb-17_to_2015-Mar-27_144.5_50.5

Cold spell occuring from February 12 2015 to March 06 2015 at 37.0°N 284.5°E

Download data: JSON

Event type: Cold spell

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

  • Bahamas
  • Canada
  • Cuba
  • Mexico
  • United States

Duration: 23 days

Time span: February 12 2015 to March 06 2015

Statistics over entire affected area:

  • Mean temperature anomaly: -10.5 °C
  • Mean temperature: -7.3 °C
  • Minimum temperature anomaly: -23.1 °C
  • Minimum temperature: -45.4 °C

Event center: 37.0°N 284.5°E

Area affected: 7941633 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-Feb-12_to_2015-Mar-06_284.5_37.0