Category: Extremes affecting Canada

Heat wave occuring from April 08 2020 to May 01 2020 at 70.5°N 304.0°E

Download data: JSON

Event type: Heat wave

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

  • Canada
  • Greenland

Duration: 24 days

Time span: April 08 2020 to May 01 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 8.1 °C
  • Mean temperature: -7.9 °C
  • Maximum temperature anomaly: 15.4 °C
  • Maximum temperature: 7.7 °C

Event center: 70.5°N 304.0°E

Area affected: 2424185 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_2020-Apr-08_to_2020-May-01_304.0_70.5

Heat wave occuring from April 04 2020 to May 12 2020 at 68.0°N 92.0°E

Download data: JSON

Event type: Heat wave

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

  • Canada
  • China
  • Hong Kong
  • Kazakhstan
  • Kyrgyzstan
  • Lao People’s Democratic Republic
  • Mongolia
  • Myanmar
  • Russian Federation
  • Svalbard and Jan Mayen
  • Taiwan, Province of China
  • Viet Nam

Duration: 39 days

Time span: April 04 2020 to May 12 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 8.7 °C
  • Mean temperature: -0.6 °C
  • Maximum temperature anomaly: 18.8 °C
  • Maximum temperature: 34.4 °C

Event center: 68.0°N 92.0°E

Area affected: 20709406 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_2020-Apr-04_to_2020-May-12_92.0_68.0

Heat wave occuring from April 04 2020 to April 13 2020 at 74.0°N 278.0°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 04 2020 to April 13 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 7.4 °C
  • Mean temperature: -13.2 °C
  • Maximum temperature anomaly: 12.4 °C
  • Maximum temperature: -8.2 °C

Event center: 74.0°N 278.0°E

Area affected: 93843 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_2020-Apr-04_to_2020-Apr-13_278.0_74.0

Heat wave occuring from April 04 2020 to April 13 2020 at 70.0°N 289.5°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 04 2020 to April 13 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 8.5 °C
  • Mean temperature: -11.9 °C
  • Maximum temperature anomaly: 15.9 °C
  • Maximum temperature: -6.6 °C

Event center: 70.0°N 289.5°E

Area affected: 117245 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_2020-Apr-04_to_2020-Apr-13_289.5_70.0

Heat wave occuring from April 02 2020 to April 06 2020 at 56.0°N 279.0°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: April 02 2020 to April 06 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 7.8 °C
  • Mean temperature: -3.0 °C
  • Maximum temperature anomaly: 10.3 °C
  • Maximum temperature: -0.1 °C

Event center: 56.0°N 279.0°E

Area affected: 100910 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_2020-Apr-02_to_2020-Apr-06_279.0_56.0

Heat wave occuring from April 01 2020 to April 05 2020 at 52.5°N 291.0°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: April 01 2020 to April 05 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 9.0 °C
  • Mean temperature: 1.8 °C
  • Maximum temperature anomaly: 12.9 °C
  • Maximum temperature: 5.0 °C

Event center: 52.5°N 291.0°E

Area affected: 228045 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_2020-Apr-01_to_2020-Apr-05_291.0_52.5

Heat wave occuring from March 30 2020 to April 11 2020 at 83.0°N 284.0°E

Download data: JSON

Event type: Heat wave

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

  • Canada
  • Greenland
  • Russian Federation
  • United States

Duration: 13 days

Time span: March 30 2020 to April 11 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 8.0 °C
  • Mean temperature: -14.7 °C
  • Maximum temperature anomaly: 19.2 °C
  • Maximum temperature: -4.2 °C

Event center: 83.0°N 284.0°E

Area affected: 2739533 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_2020-Mar-30_to_2020-Apr-11_284.0_83.0

Cold spell occuring from March 26 2020 to April 07 2020 at 55.0°N 240.5°E

Download data: JSON

Event type: Cold spell

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

  • Canada
  • United States

Duration: 13 days

Time span: March 26 2020 to April 07 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -10.5 °C
  • Mean temperature: -18.5 °C
  • Minimum temperature anomaly: -20.9 °C
  • Minimum temperature: -39.1 °C

Event center: 55.0°N 240.5°E

Area affected: 5463304 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_2020-Mar-26_to_2020-Apr-07_240.5_55.0

Cold spell occuring from March 25 2020 to March 30 2020 at 75.5°N 243.5°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 25 2020 to March 30 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -7.6 °C
  • Mean temperature: -33.0 °C
  • Minimum temperature anomaly: -12.2 °C
  • Minimum temperature: -40.2 °C

Event center: 75.5°N 243.5°E

Area affected: 61449 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_2020-Mar-25_to_2020-Mar-30_243.5_75.5

Heat wave occuring from March 20 2020 to March 23 2020 at 82.5°N 278.0°E

Download data: JSON

Event type: Heat wave

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

  • Canada
  • Greenland

Duration: 4 days

Time span: March 20 2020 to March 23 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 7.8 °C
  • Mean temperature: -18.3 °C
  • Maximum temperature anomaly: 13.4 °C
  • Maximum temperature: -13.1 °C

Event center: 82.5°N 278.0°E

Area affected: 279070 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_2020-Mar-20_to_2020-Mar-23_278.0_82.5