Category: Heat waves affecting United States

Heat wave occuring from February 21 2024 to February 26 2024 at 45.0°N 258.5°E

Download data: JSON

Event type: Heat wave

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

  • United States

Duration: 6 days

Time span: February 21 2024 to February 26 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 10.2 °C
  • Mean temperature: 5.6 °C
  • Maximum temperature anomaly: 14.7 °C
  • Maximum temperature: 11.7 °C

Event center: 45.0°N 258.5°E

Area affected: 236474 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-Feb-21_to_2024-Feb-26_258.5_45.0

Heat wave occuring from February 20 2024 to February 23 2024 at 42.5°N 269.5°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: February 20 2024 to February 23 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 8.9 °C
  • Mean temperature: 7.2 °C
  • Maximum temperature anomaly: 12.6 °C
  • Maximum temperature: 13.5 °C

Event center: 42.5°N 269.5°E

Area affected: 201665 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-Feb-20_to_2024-Feb-23_269.5_42.5

Heat wave occuring from February 17 2024 to February 25 2024 at 50.5°N 234.5°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: February 17 2024 to February 25 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 7.5 °C
  • Mean temperature: 0.6 °C
  • Maximum temperature anomaly: 13.1 °C
  • Maximum temperature: 8.0 °C

Event center: 50.5°N 234.5°E

Area affected: 460212 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-Feb-17_to_2024-Feb-25_234.5_50.5

Heat wave occuring from February 13 2024 to February 26 2024 at 37.5°N 235.0°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: February 13 2024 to February 26 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 2.0 °C
  • Mean temperature: 16.3 °C
  • Maximum temperature anomaly: 3.2 °C
  • Maximum temperature: 21.6 °C

Event center: 37.5°N 235.0°E

Area affected: 1620483 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-Feb-13_to_2024-Feb-26_235.0_37.5

Heat wave occuring from February 10 2024 to February 23 2024 at 61.0°N 212.5°E

Download data: JSON

Event type: Heat wave

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

  • Canada
  • United States

Duration: 14 days

Time span: February 10 2024 to February 23 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 6.1 °C
  • Mean temperature: 1.7 °C
  • Maximum temperature anomaly: 22.3 °C
  • Maximum temperature: 9.4 °C

Event center: 61.0°N 212.5°E

Area affected: 2286443 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-Feb-10_to_2024-Feb-23_212.5_61.0

Heat wave occuring from February 10 2024 to February 13 2024 at 35.0°N 281.0°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: February 10 2024 to February 13 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 8.3 °C
  • Mean temperature: 15.8 °C
  • Maximum temperature anomaly: 10.1 °C
  • Maximum temperature: 17.9 °C

Event center: 35.0°N 281.0°E

Area affected: 53108 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-Feb-10_to_2024-Feb-13_281.0_35.0

Heat wave occuring from January 09 2024 to January 13 2024 at 49.0°N 202.5°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: January 09 2024 to January 13 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 2.8 °C
  • Mean temperature: 6.5 °C
  • Maximum temperature anomaly: 7.2 °C
  • Maximum temperature: 9.1 °C

Event center: 49.0°N 202.5°E

Area affected: 249303 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-Jan-09_to_2024-Jan-13_202.5_49.0

Heat wave occuring from January 07 2024 to January 31 2024 at 44.0°N 165.5°E

Download data: JSON

Event type: Heat wave

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

  • Canada
  • Japan
  • Russian Federation
  • United States

Duration: 25 days

Time span: January 07 2024 to January 31 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 7.9 °C
  • Mean temperature: -5.1 °C
  • Maximum temperature anomaly: 28.8 °C
  • Maximum temperature: 15.7 °C

Event center: 44.0°N 165.5°E

Area affected: 8642599 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-Jan-07_to_2024-Jan-31_165.5_44.0

Heat wave occuring from December 25 2023 to January 04 2024 at 50.5°N 234.5°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: December 25 2023 to January 04 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 4.7 °C
  • Mean temperature: 10.0 °C
  • Maximum temperature anomaly: 16.0 °C
  • Maximum temperature: 21.8 °C

Event center: 50.5°N 234.5°E

Area affected: 3703235 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-Dec-25_to_2024-Jan-04_234.5_50.5

Heat wave occuring from December 14 2023 to December 19 2023 at 46.5°N 272.5°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: December 14 2023 to December 19 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 8.3 °C
  • Mean temperature: 3.9 °C
  • Maximum temperature anomaly: 14.2 °C
  • Maximum temperature: 10.3 °C

Event center: 46.5°N 272.5°E

Area affected: 836298 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-Dec-14_to_2023-Dec-19_272.5_46.5