Category: Extremes affecting Canada

Heat wave occuring from May 04 2015 to May 13 2015 at 38.5°N 288.5°E

Download data: JSON

Event type: Heat wave

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

  • Canada
  • United States

Duration: 10 days

Time span: May 04 2015 to May 13 2015

Statistics over entire affected area:

  • Mean temperature anomaly: 5.7 °C
  • Mean temperature: 21.1 °C
  • Maximum temperature anomaly: 11.7 °C
  • Maximum temperature: 26.3 °C

Event center: 38.5°N 288.5°E

Area affected: 1877016 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-May-04_to_2015-May-13_288.5_38.5

Heat wave occuring from May 02 2015 to May 10 2015 at 57.0°N 219.5°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: May 02 2015 to May 10 2015

Statistics over entire affected area:

  • Mean temperature anomaly: 1.8 °C
  • Mean temperature: 8.8 °C
  • Maximum temperature anomaly: 3.9 °C
  • Maximum temperature: 11.0 °C

Event center: 57.0°N 219.5°E

Area affected: 766655 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-May-02_to_2015-May-10_219.5_57.0

Heat wave occuring from May 01 2015 to May 05 2015 at 66.0°N 282.0°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: May 01 2015 to May 05 2015

Statistics over entire affected area:

  • Mean temperature anomaly: 6.3 °C
  • Mean temperature: -0.7 °C
  • Maximum temperature anomaly: 11.6 °C
  • Maximum temperature: 8.5 °C

Event center: 66.0°N 282.0°E

Area affected: 241345 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-May-01_to_2015-May-05_282.0_66.0

Heat wave occuring from April 30 2015 to May 03 2015 at 45.0°N 261.0°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: April 30 2015 to May 03 2015

Statistics over entire affected area:

  • Mean temperature anomaly: 7.7 °C
  • Mean temperature: 17.3 °C
  • Maximum temperature anomaly: 11.7 °C
  • Maximum temperature: 20.7 °C

Event center: 45.0°N 261.0°E

Area affected: 246500 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-Apr-30_to_2015-May-03_261.0_45.0

Heat wave occuring from April 28 2015 to May 01 2015 at 73.5°N 235.0°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: April 28 2015 to May 01 2015

Statistics over entire affected area:

  • Mean temperature anomaly: 6.0 °C
  • Mean temperature: -6.0 °C
  • Maximum temperature anomaly: 7.6 °C
  • Maximum temperature: -3.1 °C

Event center: 73.5°N 235.0°E

Area affected: 52203 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-Apr-28_to_2015-May-01_235.0_73.5

Heat wave occuring from April 28 2015 to May 02 2015 at 63.0°N 247.5°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: April 28 2015 to May 02 2015

Statistics over entire affected area:

  • Mean temperature anomaly: 8.3 °C
  • Mean temperature: 7.6 °C
  • Maximum temperature anomaly: 13.3 °C
  • Maximum temperature: 17.2 °C

Event center: 63.0°N 247.5°E

Area affected: 509375 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-Apr-28_to_2015-May-02_247.5_63.0

Cold spell occuring from April 28 2015 to May 03 2015 at 42.0°N 294.0°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: April 28 2015 to May 03 2015

Statistics over entire affected area:

  • Mean temperature anomaly: -2.4 °C
  • Mean temperature: 5.3 °C
  • Minimum temperature anomaly: -3.7 °C
  • Minimum temperature: 3.4 °C

Event center: 42.0°N 294.0°E

Area affected: 92196 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-Apr-28_to_2015-May-03_294.0_42.0

Heat wave occuring from April 27 2015 to April 30 2015 at 50.5°N 296.0°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: April 27 2015 to April 30 2015

Statistics over entire affected area:

  • Mean temperature anomaly: 4.0 °C
  • Mean temperature: 5.6 °C
  • Maximum temperature anomaly: 5.7 °C
  • Maximum temperature: 7.9 °C

Event center: 50.5°N 296.0°E

Area affected: 120594 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-Apr-27_to_2015-Apr-30_296.0_50.5

Cold spell occuring from April 22 2015 to May 31 2015 at 81.5°N 344.0°E

Download data: JSON

Event type: Cold spell

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

  • Canada
  • Greenland
  • Iceland
  • Norway
  • Russian Federation

Duration: 40 days

Time span: April 22 2015 to May 31 2015

Statistics over entire affected area:

  • Mean temperature anomaly: -4.8 °C
  • Mean temperature: -12.4 °C
  • Minimum temperature anomaly: -11.6 °C
  • Minimum temperature: -36.8 °C

Event center: 81.5°N 344.0°E

Area affected: 8145965 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-Apr-22_to_2015-May-31_344.0_81.5

Heat wave occuring from April 21 2015 to April 30 2015 at 58.0°N 291.0°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: April 21 2015 to April 30 2015

Statistics over entire affected area:

  • Mean temperature anomaly: 7.7 °C
  • Mean temperature: -0.0 °C
  • Maximum temperature anomaly: 11.3 °C
  • Maximum temperature: 11.3 °C

Event center: 58.0°N 291.0°E

Area affected: 1156561 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-Apr-21_to_2015-Apr-30_291.0_58.0