Category: Heat waves affecting United States

Heat wave occuring from June 23 2023 to July 06 2023 at 63.5°N 195.0°E

Download data: JSON

Event type: Heat wave

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

  • United States

Duration: 14 days

Time span: June 23 2023 to July 06 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 4.4 °C
  • Mean temperature: 12.9 °C
  • Maximum temperature anomaly: 7.3 °C
  • Maximum temperature: 16.9 °C

Event center: 63.5°N 195.0°E

Area affected: 58578 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-23_to_2023-Jul-06_195.0_63.5

Heat wave occuring from June 19 2023 to June 25 2023 at 60.5°N 218.5°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: June 19 2023 to June 25 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 4.2 °C
  • Mean temperature: 10.8 °C
  • Maximum temperature anomaly: 5.6 °C
  • Maximum temperature: 18.6 °C

Event center: 60.5°N 218.5°E

Area affected: 55422 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-19_to_2023-Jun-25_218.5_60.5

Heat wave occuring from June 14 2023 to June 25 2023 at 58.5°N 279.5°E

Download data: JSON

Event type: Heat wave

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

  • Canada
  • United States

Duration: 12 days

Time span: June 14 2023 to June 25 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 7.3 °C
  • Mean temperature: 19.9 °C
  • Maximum temperature anomaly: 17.4 °C
  • Maximum temperature: 30.6 °C

Event center: 58.5°N 279.5°E

Area affected: 2661423 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-14_to_2023-Jun-25_279.5_58.5

Heat wave occuring from June 12 2023 to June 19 2023 at 77.0°N 198.0°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: June 12 2023 to June 19 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 0.7 °C
  • Mean temperature: 1.3 °C
  • Maximum temperature anomaly: 9.0 °C
  • Maximum temperature: 14.2 °C

Event center: 77.0°N 198.0°E

Area affected: 1230472 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-12_to_2023-Jun-19_198.0_77.0

Heat wave occuring from May 21 2023 to June 16 2023 at 44.0°N 164.5°E

Download data: JSON

Event type: Heat wave

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

  • United States

Duration: 27 days

Time span: May 21 2023 to June 16 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 2.8 °C
  • Mean temperature: 14.7 °C
  • Maximum temperature anomaly: 6.8 °C
  • Maximum temperature: 27.3 °C

Event center: 44.0°N 164.5°E

Area affected: 6935100 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-May-21_to_2023-Jun-16_164.5_44.0

Heat wave occuring from May 19 2023 to May 24 2023 at 23.5°N 280.0°E

Download data: JSON

Event type: Heat wave

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

  • Cuba
  • United States

Duration: 6 days

Time span: May 19 2023 to May 24 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 1.3 °C
  • Mean temperature: 27.4 °C
  • Maximum temperature anomaly: 1.9 °C
  • Maximum temperature: 28.5 °C

Event center: 23.5°N 280.0°E

Area affected: 84784 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-May-19_to_2023-May-24_280.0_23.5

Heat wave occuring from May 12 2023 to May 16 2023 at 29.5°N 268.0°E

Download data: JSON

Event type: Heat wave

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

  • United States

Duration: 5 days

Time span: May 12 2023 to May 16 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 4.1 °C
  • Mean temperature: 26.7 °C
  • Maximum temperature anomaly: 6.3 °C
  • Maximum temperature: 28.6 °C

Event center: 29.5°N 268.0°E

Area affected: 187318 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-May-12_to_2023-May-16_268.0_29.5

Heat wave occuring from May 11 2023 to May 16 2023 at 43.0°N 289.5°E

Download data: JSON

Event type: Heat wave

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

  • Canada
  • United States

Duration: 6 days

Time span: May 11 2023 to May 16 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 3.9 °C
  • Mean temperature: 13.6 °C
  • Maximum temperature anomaly: 8.3 °C
  • Maximum temperature: 21.8 °C

Event center: 43.0°N 289.5°E

Area affected: 174493 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-May-11_to_2023-May-16_289.5_43.0

Heat wave occuring from May 06 2023 to May 10 2023 at 38.0°N 263.5°E

Download data: JSON

Event type: Heat wave

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

  • United States

Duration: 5 days

Time span: May 06 2023 to May 10 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 5.9 °C
  • Mean temperature: 24.8 °C
  • Maximum temperature anomaly: 10.1 °C
  • Maximum temperature: 27.7 °C

Event center: 38.0°N 263.5°E

Area affected: 267279 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-May-06_to_2023-May-10_263.5_38.0

Heat wave occuring from April 26 2023 to April 30 2023 at 35.0°N 241.5°E

Download data: JSON

Event type: Heat wave

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

  • United States

Duration: 5 days

Time span: April 26 2023 to April 30 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 6.3 °C
  • Mean temperature: 22.9 °C
  • Maximum temperature anomaly: 9.4 °C
  • Maximum temperature: 29.4 °C

Event center: 35.0°N 241.5°E

Area affected: 84885 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-26_to_2023-Apr-30_241.5_35.0