Category: Heat waves affecting United States

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: September 27 2023 to October 02 2023

Statistics over entire affected area:

• Mean temperature anomaly: 4.7 °C
• Mean temperature: 15.4 °C
• Maximum temperature anomaly: 7.3 °C
• Maximum temperature: 23.0 °C

Event center: 40.0°N 255.0°E

Area affected: 92750 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-27_to_2023-Oct-02_255.0_40.0

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: September 07 2023 to September 14 2023

Statistics over entire affected area:

• Mean temperature anomaly: 2.0 °C
• Mean temperature: 23.0 °C
• Maximum temperature anomaly: 3.4 °C
• Maximum temperature: 26.3 °C

Event center: 27.5°N 239.0°E

Area affected: 898100 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-07_to_2023-Sep-14_239.0_27.5

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: August 01 2023 to August 04 2023

Statistics over entire affected area:

• Mean temperature anomaly: 4.5 °C
• Mean temperature: 25.9 °C
• Maximum temperature anomaly: 6.4 °C
• Maximum temperature: 28.3 °C

Event center: 46.5°N 263.5°E

Area affected: 75029 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-01_to_2023-Aug-04_263.5_46.5

Download data: JSON

Event type: Heat wave

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

• United States

Duration: 9 days

Time span: July 30 2023 to August 07 2023

Statistics over entire affected area:

• Mean temperature anomaly: 3.9 °C
• Mean temperature: 16.4 °C
• Maximum temperature anomaly: 6.5 °C
• Maximum temperature: 19.9 °C

Event center: 64.5°N 198.5°E

Area affected: 222299 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-30_to_2023-Aug-07_198.5_64.5

Download data: JSON

Event type: Heat wave

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

• United States

Duration: 11 days

Time span: July 13 2023 to July 23 2023

Statistics over entire affected area:

• Mean temperature anomaly: 3.2 °C
• Mean temperature: 15.7 °C
• Maximum temperature anomaly: 5.6 °C
• Maximum temperature: 19.7 °C

Event center: 58.0°N 225.0°E

Area affected: 53457 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-13_to_2023-Jul-23_225.0_58.0

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: June 30 2023 to July 05 2023

Statistics over entire affected area:

• Mean temperature anomaly: 5.3 °C
• Mean temperature: 28.1 °C
• Maximum temperature anomaly: 8.5 °C
• Maximum temperature: 37.3 °C

Event center: 42.0°N 236.0°E

Area affected: 203575 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-30_to_2023-Jul-05_236.0_42.0