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: 18 days

Time span: September 22 2020 to October 09 2020

Statistics over entire affected area:

• Mean temperature anomaly: 4.4 °C
• Mean temperature: 19.2 °C
• Maximum temperature anomaly: 12.9 °C
• Maximum temperature: 26.1 °C

Event center: 45.5°N 309.0°E

Area affected: 4529154 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_2020-Sep-22_to_2020-Oct-09_309.0_45.5

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: September 20 2020 to September 23 2020

Statistics over entire affected area:

• Mean temperature anomaly: 6.1 °C
• Mean temperature: 18.7 °C
• Maximum temperature anomaly: 7.5 °C
• Maximum temperature: 20.2 °C

Event center: 46.5°N 258.5°E

Area affected: 54091 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_2020-Sep-20_to_2020-Sep-23_258.5_46.5

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: September 04 2020 to September 07 2020

Statistics over entire affected area:

• Mean temperature anomaly: 6.4 °C
• Mean temperature: 22.6 °C
• Maximum temperature anomaly: 9.4 °C
• Maximum temperature: 26.9 °C

Event center: 48.5°N 241.0°E

Area affected: 55400 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_2020-Sep-04_to_2020-Sep-07_241.0_48.5

Download data: JSON

Event type: Heat wave

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

• Canada
• United States

Duration: 15 days

Time span: August 14 2020 to August 28 2020

Statistics over entire affected area:

• Mean temperature anomaly: 4.4 °C
• Mean temperature: 13.4 °C
• Maximum temperature anomaly: 9.2 °C
• Maximum temperature: 20.1 °C

Event center: 59.0°N 208.0°E

Area affected: 1869447 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_2020-Aug-14_to_2020-Aug-28_208.0_59.0

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: July 29 2020 to August 04 2020

Statistics over entire affected area:

• Mean temperature anomaly: 3.4 °C
• Mean temperature: 15.6 °C
• Maximum temperature anomaly: 7.1 °C
• Maximum temperature: 20.9 °C

Event center: 54.0°N 227.0°E

Area affected: 125761 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_2020-Jul-29_to_2020-Aug-04_227.0_54.0

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: July 28 2020 to August 03 2020

Statistics over entire affected area:

• Mean temperature anomaly: 5.1 °C
• Mean temperature: 21.5 °C
• Maximum temperature anomaly: 8.1 °C
• Maximum temperature: 35.6 °C

Event center: 52.0°N 243.5°E

Area affected: 474855 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_2020-Jul-28_to_2020-Aug-03_243.5_52.0