Heat wave occuring from April 18 2023 to June 21 2023 at 52.0°N 242.5°E

Download data: JSON

Event type: Heat wave

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

  • Canada
  • Greenland
  • United States

Duration: 65 days

Time span: April 18 2023 to June 21 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 7.8 °C
  • Mean temperature: 7.8 °C
  • Maximum temperature anomaly: 21.3 °C
  • Maximum temperature: 32.6 °C

Event center: 52.0°N 242.5°E

Area affected: 15336797 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_2023-Apr-18_to_2023-Jun-21_242.5_52.0

Heat wave occuring from April 16 2023 to April 21 2023 at 68.0°N 261.5°E

Download data: JSON

Event type: Heat wave

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

  • Canada

Duration: 6 days

Time span: April 16 2023 to April 21 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 6.7 °C
  • Mean temperature: -9.3 °C
  • Maximum temperature anomaly: 11.7 °C
  • Maximum temperature: -3.5 °C

Event center: 68.0°N 261.5°E

Area affected: 242341 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_2023-Apr-16_to_2023-Apr-21_261.5_68.0

Heat wave occuring from April 12 2023 to April 16 2023 at 61.0°N 299.5°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 12 2023 to April 16 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 4.7 °C
  • Mean temperature: 2.3 °C
  • Maximum temperature anomaly: 9.3 °C
  • Maximum temperature: 3.7 °C

Event center: 61.0°N 299.5°E

Area affected: 206774 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_2023-Apr-12_to_2023-Apr-16_299.5_61.0

Heat wave occuring from April 10 2023 to April 14 2023 at 63.0°N 282.5°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 10 2023 to April 14 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 7.5 °C
  • Mean temperature: -6.8 °C
  • Maximum temperature anomaly: 10.1 °C
  • Maximum temperature: -4.3 °C

Event center: 63.0°N 282.5°E

Area affected: 129793 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_2023-Apr-10_to_2023-Apr-14_282.5_63.0

Heat wave occuring from April 08 2023 to April 20 2023 at 45.0°N 272.5°E

Download data: JSON

Event type: Heat wave

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

  • Canada
  • Mexico
  • United States

Duration: 13 days

Time span: April 08 2023 to April 20 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 8.5 °C
  • Mean temperature: 11.9 °C
  • Maximum temperature anomaly: 18.3 °C
  • Maximum temperature: 29.4 °C

Event center: 45.0°N 272.5°E

Area affected: 4905987 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_2023-Apr-08_to_2023-Apr-20_272.5_45.0

Heat wave occuring from April 06 2023 to April 09 2023 at 67.0°N 259.0°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 06 2023 to April 09 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 11.1 °C
  • Mean temperature: -5.3 °C
  • Maximum temperature anomaly: 15.7 °C
  • Maximum temperature: 4.1 °C

Event center: 67.0°N 259.0°E

Area affected: 113431 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_2023-Apr-06_to_2023-Apr-09_259.0_67.0

Heat wave occuring from April 06 2023 to April 11 2023 at 62.0°N 234.0°E

Download data: JSON

Event type: Heat wave

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

  • Canada

Duration: 6 days

Time span: April 06 2023 to April 11 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 6.3 °C
  • Mean temperature: 0.3 °C
  • Maximum temperature anomaly: 9.1 °C
  • Maximum temperature: 8.6 °C

Event center: 62.0°N 234.0°E

Area affected: 148118 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_2023-Apr-06_to_2023-Apr-11_234.0_62.0

Heat wave occuring from April 05 2023 to April 08 2023 at 67.5°N 243.5°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 05 2023 to April 08 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 10.9 °C
  • Mean temperature: -7.2 °C
  • Maximum temperature anomaly: 15.5 °C
  • Maximum temperature: -2.3 °C

Event center: 67.5°N 243.5°E

Area affected: 110711 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_2023-Apr-05_to_2023-Apr-08_243.5_67.5

Heat wave occuring from March 24 2023 to March 29 2023 at 55.5°N 304.0°E

Download data: JSON

Event type: Heat wave

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

  • Canada

Duration: 6 days

Time span: March 24 2023 to March 29 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 3.8 °C
  • Mean temperature: 1.5 °C
  • Maximum temperature anomaly: 5.9 °C
  • Maximum temperature: 3.8 °C

Event center: 55.5°N 304.0°E

Area affected: 120039 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_2023-Mar-24_to_2023-Mar-29_304.0_55.5

Heat wave occuring from March 16 2023 to March 23 2023 at 58.0°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: 8 days

Time span: March 16 2023 to March 23 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 6.4 °C
  • Mean temperature: 0.4 °C
  • Maximum temperature anomaly: 12.2 °C
  • Maximum temperature: 6.2 °C

Event center: 58.0°N 226.5°E

Area affected: 207949 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_2023-Mar-16_to_2023-Mar-23_226.5_58.0