Category: Heat waves affecting United States

Heat wave occuring from April 29 2024 to May 03 2024 at 40.0°N 282.0°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: April 29 2024 to May 03 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 6.4 °C
  • Mean temperature: 21.3 °C
  • Maximum temperature anomaly: 9.1 °C
  • Maximum temperature: 24.2 °C

Event center: 40.0°N 282.0°E

Area affected: 104992 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_2024-Apr-29_to_2024-May-03_282.0_40.0

Heat wave occuring from April 27 2024 to April 30 2024 at 41.5°N 276.5°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 27 2024 to April 30 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 7.3 °C
  • Mean temperature: 20.2 °C
  • Maximum temperature anomaly: 10.1 °C
  • Maximum temperature: 22.6 °C

Event center: 41.5°N 276.5°E

Area affected: 253844 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_2024-Apr-27_to_2024-Apr-30_276.5_41.5

Heat wave occuring from April 23 2024 to April 27 2024 at 67.5°N 198.0°E

Download data: JSON

Event type: Heat wave

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

  • Russian Federation
  • United States

Duration: 5 days

Time span: April 23 2024 to April 27 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 6.0 °C
  • Mean temperature: 2.7 °C
  • Maximum temperature anomaly: 9.6 °C
  • Maximum temperature: 6.1 °C

Event center: 67.5°N 198.0°E

Area affected: 180669 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_2024-Apr-23_to_2024-Apr-27_198.0_67.5

Heat wave occuring from April 23 2024 to April 25 2024 at 30.0°N 253.5°E

Download data: JSON

Event type: Heat wave

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

  • Mexico
  • United States

Duration: 3 days

Time span: April 23 2024 to April 25 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 4.4 °C
  • Mean temperature: 24.2 °C
  • Maximum temperature anomaly: 6.1 °C
  • Maximum temperature: 27.4 °C

Event center: 30.0°N 253.5°E

Area affected: 71680 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_2024-Apr-23_to_2024-Apr-25_253.5_30.0

Heat wave occuring from April 18 2024 to April 25 2024 at 39.5°N 251.5°E

Download data: JSON

Event type: Heat wave

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

  • United States

Duration: 8 days

Time span: April 18 2024 to April 25 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 6.1 °C
  • Mean temperature: 15.6 °C
  • Maximum temperature anomaly: 9.1 °C
  • Maximum temperature: 26.0 °C

Event center: 39.5°N 251.5°E

Area affected: 373002 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_2024-Apr-18_to_2024-Apr-25_251.5_39.5

Heat wave occuring from April 17 2024 to April 22 2024 at 55.5°N 228.0°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: April 17 2024 to April 22 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 2.4 °C
  • Mean temperature: 7.9 °C
  • Maximum temperature anomaly: 5.4 °C
  • Maximum temperature: 11.2 °C

Event center: 55.5°N 228.0°E

Area affected: 426526 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_2024-Apr-17_to_2024-Apr-22_228.0_55.5

Heat wave occuring from April 16 2024 to April 19 2024 at 31.5°N 266.5°E

Download data: JSON

Event type: Heat wave

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

  • United States

Duration: 4 days

Time span: April 16 2024 to April 19 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 4.7 °C
  • Mean temperature: 24.3 °C
  • Maximum temperature anomaly: 5.3 °C
  • Maximum temperature: 25.2 °C

Event center: 31.5°N 266.5°E

Area affected: 71366 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_2024-Apr-16_to_2024-Apr-19_266.5_31.5

Heat wave occuring from April 16 2024 to April 24 2024 at 60.5°N 235.0°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: April 16 2024 to April 24 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 7.8 °C
  • Mean temperature: 2.5 °C
  • Maximum temperature anomaly: 14.8 °C
  • Maximum temperature: 12.9 °C

Event center: 60.5°N 235.0°E

Area affected: 1242596 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_2024-Apr-16_to_2024-Apr-24_235.0_60.5

Heat wave occuring from April 03 2024 to April 05 2024 at 45.5°N 254.0°E

Download data: JSON

Event type: Heat wave

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

  • United States

Duration: 3 days

Time span: April 03 2024 to April 05 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 8.7 °C
  • Mean temperature: 13.0 °C
  • Maximum temperature anomaly: 12.6 °C
  • Maximum temperature: 18.5 °C

Event center: 45.5°N 254.0°E

Area affected: 53867 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_2024-Apr-03_to_2024-Apr-05_254.0_45.5

Heat wave occuring from April 01 2024 to April 03 2024 at 51.0°N 241.0°E

Download data: JSON

Event type: Heat wave

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

  • Canada
  • United States

Duration: 3 days

Time span: April 01 2024 to April 03 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 6.3 °C
  • Mean temperature: 7.9 °C
  • Maximum temperature anomaly: 9.5 °C
  • Maximum temperature: 12.4 °C

Event center: 51.0°N 241.0°E

Area affected: 61357 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_2024-Apr-01_to_2024-Apr-03_241.0_51.0