Category: Heat waves affecting United States

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: September 05 2024 to September 07 2024

Statistics over entire affected area:

• Mean temperature anomaly: 3.8 °C
• Mean temperature: 11.7 °C
• Maximum temperature anomaly: 4.9 °C
• Maximum temperature: 14.8 °C

Event center: 64.5°N 212.5°E

Area affected: 87472 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-Sep-05_to_2024-Sep-07_212.5_64.5

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 03 2024 to September 09 2024

Statistics over entire affected area:

• Mean temperature anomaly: 3.0 °C
• Mean temperature: 2.6 °C
• Maximum temperature anomaly: 5.6 °C
• Maximum temperature: 8.5 °C

Event center: 73.0°N 222.5°E

Area affected: 235532 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-Sep-03_to_2024-Sep-09_222.5_73.0

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: August 31 2024 to September 03 2024

Statistics over entire affected area:

• Mean temperature anomaly: 6.1 °C
• Mean temperature: 18.5 °C
• Maximum temperature anomaly: 8.1 °C
• Maximum temperature: 23.8 °C

Event center: 53.0°N 246.5°E

Area affected: 125658 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-Aug-31_to_2024-Sep-03_246.5_53.0

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: August 29 2024 to September 03 2024

Statistics over entire affected area:

• Mean temperature anomaly: 4.9 °C
• Mean temperature: 16.5 °C
• Maximum temperature anomaly: 8.0 °C
• Maximum temperature: 27.6 °C

Event center: 50.0°N 233.0°E

Area affected: 328408 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-Aug-29_to_2024-Sep-03_233.0_50.0

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: August 21 2024 to August 26 2024

Statistics over entire affected area:

• Mean temperature anomaly: 5.3 °C
• Mean temperature: 21.7 °C
• Maximum temperature anomaly: 9.1 °C
• Maximum temperature: 26.1 °C

Event center: 52.5°N 268.5°E

Area affected: 163161 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-Aug-21_to_2024-Aug-26_268.5_52.5

Download data: JSON

Event type: Heat wave

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

• Canada
• United States

Duration: 31 days

Time span: August 19 2024 to September 18 2024

Statistics over entire affected area:

• Mean temperature anomaly: 1.7 °C
• Mean temperature: 22.8 °C
• Maximum temperature anomaly: 3.7 °C
• Maximum temperature: 26.9 °C

Event center: 31.5°N 214.0°E

Area affected: 3155295 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-Aug-19_to_2024-Sep-18_214.0_31.5