Category: Heat waves affecting United States

Heat wave occuring from May 24 2020 to May 27 2020 at 46.5°N 272.0°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: May 24 2020 to May 27 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 7.4 °C
  • Mean temperature: 23.3 °C
  • Maximum temperature anomaly: 9.6 °C
  • Maximum temperature: 26.0 °C

Event center: 46.5°N 272.0°E

Area affected: 90489 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-May-24_to_2020-May-27_272.0_46.5

Heat wave occuring from May 23 2020 to June 09 2020 at 39.0°N 258.5°E

Download data: JSON

Event type: Heat wave

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

  • Canada
  • Mexico
  • United States

Duration: 18 days

Time span: May 23 2020 to June 09 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 6.1 °C
  • Mean temperature: 25.3 °C
  • Maximum temperature anomaly: 11.7 °C
  • Maximum temperature: 36.7 °C

Event center: 39.0°N 258.5°E

Area affected: 3450574 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-May-23_to_2020-Jun-09_258.5_39.0

Heat wave occuring from May 22 2020 to May 31 2020 at 49.0°N 295.0°E

Download data: JSON

Event type: Heat wave

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

  • Canada
  • United States

Duration: 10 days

Time span: May 22 2020 to May 31 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 8.0 °C
  • Mean temperature: 20.4 °C
  • Maximum temperature anomaly: 14.5 °C
  • Maximum temperature: 28.7 °C

Event center: 49.0°N 295.0°E

Area affected: 1070490 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-May-22_to_2020-May-31_295.0_49.0

Heat wave occuring from May 17 2020 to May 23 2020 at 51.0°N 260.5°E

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: May 17 2020 to May 23 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 7.3 °C
  • Mean temperature: 19.4 °C
  • Maximum temperature anomaly: 11.8 °C
  • Maximum temperature: 22.8 °C

Event center: 51.0°N 260.5°E

Area affected: 241635 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-May-17_to_2020-May-23_260.5_51.0

Heat wave occuring from May 17 2020 to May 20 2020 at 37.5°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: 4 days

Time span: May 17 2020 to May 20 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 5.3 °C
  • Mean temperature: 13.8 °C
  • Maximum temperature anomaly: 7.9 °C
  • Maximum temperature: 21.7 °C

Event center: 37.5°N 254.0°E

Area affected: 110422 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-May-17_to_2020-May-20_254.0_37.5

Heat wave occuring from May 04 2020 to June 06 2020 at 50.5°N 201.5°E

Download data: JSON

Event type: Heat wave

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

  • Canada
  • China
  • Greenland
  • Kazakhstan
  • Mongolia
  • Russian Federation
  • Svalbard and Jan Mayen
  • United States

Duration: 34 days

Time span: May 04 2020 to June 06 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 5.8 °C
  • Mean temperature: 3.1 °C
  • Maximum temperature anomaly: 21.5 °C
  • Maximum temperature: 26.2 °C

Event center: 50.5°N 201.5°E

Area affected: 21296845 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-May-04_to_2020-Jun-06_201.5_50.5

Heat wave occuring from April 30 2020 to May 13 2020 at 43.0°N 170.5°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: April 30 2020 to May 13 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 2.6 °C
  • Mean temperature: 11.3 °C
  • Maximum temperature anomaly: 6.3 °C
  • Maximum temperature: 23.5 °C

Event center: 43.0°N 170.5°E

Area affected: 3016333 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-Apr-30_to_2020-May-13_170.5_43.0

Heat wave occuring from April 22 2020 to May 11 2020 at 33.0°N 244.5°E

Download data: JSON

Event type: Heat wave

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

  • Mexico
  • United States

Duration: 20 days

Time span: April 22 2020 to May 11 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 5.3 °C
  • Mean temperature: 24.0 °C
  • Maximum temperature anomaly: 12.3 °C
  • Maximum temperature: 34.2 °C

Event center: 33.0°N 244.5°E

Area affected: 2716134 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-Apr-22_to_2020-May-11_244.5_33.0

Heat wave occuring from April 09 2020 to April 11 2020 at 46.0°N 240.0°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 09 2020 to April 11 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 5.4 °C
  • Mean temperature: 11.5 °C
  • Maximum temperature anomaly: 8.1 °C
  • Maximum temperature: 19.1 °C

Event center: 46.0°N 240.0°E

Area affected: 51904 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-Apr-09_to_2020-Apr-11_240.0_46.0

Heat wave occuring from April 07 2020 to April 10 2020 at 31.5°N 279.0°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: April 07 2020 to April 10 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 4.1 °C
  • Mean temperature: 22.7 °C
  • Maximum temperature anomaly: 7.2 °C
  • Maximum temperature: 26.1 °C

Event center: 31.5°N 279.0°E

Area affected: 96371 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-Apr-07_to_2020-Apr-10_279.0_31.5