Heat wave occuring from September 19 2023 to September 25 2023 at 48.5°N 269.0°E

Download data: JSON

Event type: Heat wave

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

  • Canada
  • United States

Duration: 7 days

Time span: September 19 2023 to September 25 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 6.3 °C
  • Mean temperature: 19.6 °C
  • Maximum temperature anomaly: 8.4 °C
  • Maximum temperature: 23.1 °C

Event center: 48.5°N 269.0°E

Area affected: 140068 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-Sep-19_to_2023-Sep-25_269.0_48.5

Heat wave occuring from September 11 2023 to September 16 2023 at 56.0°N 277.0°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: September 11 2023 to September 16 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 4.2 °C
  • Mean temperature: 11.1 °C
  • Maximum temperature anomaly: 7.4 °C
  • Maximum temperature: 15.2 °C

Event center: 56.0°N 277.0°E

Area affected: 189165 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-Sep-11_to_2023-Sep-16_277.0_56.0

Heat wave occuring from September 08 2023 to September 12 2023 at 56.0°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: 5 days

Time span: September 08 2023 to September 12 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 2.8 °C
  • Mean temperature: 12.1 °C
  • Maximum temperature anomaly: 4.4 °C
  • Maximum temperature: 15.8 °C

Event center: 56.0°N 226.5°E

Area affected: 62965 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-Sep-08_to_2023-Sep-12_226.5_56.0

Heat wave occuring from August 14 2023 to August 24 2023 at 73.5°N 209.0°E

Download data: JSON

Event type: Heat wave

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

  • Canada
  • United States

Duration: 11 days

Time span: August 14 2023 to August 24 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 3.3 °C
  • Mean temperature: 4.5 °C
  • Maximum temperature anomaly: 7.3 °C
  • Maximum temperature: 13.6 °C

Event center: 73.5°N 209.0°E

Area affected: 375882 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-Aug-14_to_2023-Aug-24_209.0_73.5

Heat wave occuring from July 23 2023 to August 01 2023 at 75.5°N 245.0°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: July 23 2023 to August 01 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 6.9 °C
  • Mean temperature: 11.1 °C
  • Maximum temperature anomaly: 14.2 °C
  • Maximum temperature: 19.6 °C

Event center: 75.5°N 245.0°E

Area affected: 76265 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-Jul-23_to_2023-Aug-01_245.0_75.5

Heat wave occuring from July 15 2023 to July 21 2023 at 62.5°N 268.0°E

Download data: JSON

Event type: Heat wave

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

  • Canada

Duration: 7 days

Time span: July 15 2023 to July 21 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 5.8 °C
  • Mean temperature: 17.0 °C
  • Maximum temperature anomaly: 8.3 °C
  • Maximum temperature: 20.7 °C

Event center: 62.5°N 268.0°E

Area affected: 122788 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-Jul-15_to_2023-Jul-21_268.0_62.5

Heat wave occuring from July 05 2023 to July 20 2023 at 81.0°N 243.5°E

Download data: JSON

Event type: Heat wave

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

  • Canada

Duration: 16 days

Time span: July 05 2023 to July 20 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 2.1 °C
  • Mean temperature: 3.7 °C
  • Maximum temperature anomaly: 11.0 °C
  • Maximum temperature: 19.7 °C

Event center: 81.0°N 243.5°E

Area affected: 903211 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-Jul-05_to_2023-Jul-20_243.5_81.0

Heat wave occuring from July 04 2023 to July 06 2023 at 78.5°N 227.5°E

Download data: JSON

Event type: Heat wave

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

  • Canada

Duration: 3 days

Time span: July 04 2023 to July 06 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 1.2 °C
  • Mean temperature: 2.0 °C
  • Maximum temperature anomaly: 2.0 °C
  • Maximum temperature: 2.9 °C

Event center: 78.5°N 227.5°E

Area affected: 76534 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-Jul-04_to_2023-Jul-06_227.5_78.5

Heat wave occuring from June 28 2023 to July 05 2023 at 49.0°N 302.0°E

Download data: JSON

Event type: Heat wave

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

  • Canada

Duration: 8 days

Time span: June 28 2023 to July 05 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 5.9 °C
  • Mean temperature: 19.3 °C
  • Maximum temperature anomaly: 10.6 °C
  • Maximum temperature: 24.8 °C

Event center: 49.0°N 302.0°E

Area affected: 97229 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-Jun-28_to_2023-Jul-05_302.0_49.0

Heat wave occuring from June 27 2023 to July 01 2023 at 85.5°N 200.5°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: June 27 2023 to July 01 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 0.4 °C
  • Mean temperature: 1.2 °C
  • Maximum temperature anomaly: 0.6 °C
  • Maximum temperature: 1.4 °C

Event center: 85.5°N 200.5°E

Area affected: 59582 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-Jun-27_to_2023-Jul-01_200.5_85.5