Category: Heat waves affecting United States

Heat wave occuring from December 20 2021 to January 04 2022 at 30.0°N 257.5°E

Download data: JSON

Event type: Heat wave

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

  • Bahamas
  • Belize
  • Guatemala
  • Honduras
  • Mexico
  • United States

Duration: 16 days

Time span: December 20 2021 to January 04 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 7.1 °C
  • Mean temperature: 18.8 °C
  • Maximum temperature anomaly: 17.4 °C
  • Maximum temperature: 28.7 °C

Event center: 30.0°N 257.5°E

Area affected: 9659456 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_2021-Dec-20_to_2022-Jan-04_257.5_30.0

Heat wave occuring from December 11 2021 to December 14 2021 at 43.0°N 286.0°E

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: December 11 2021 to December 14 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 7.8 °C
  • Mean temperature: 3.7 °C
  • Maximum temperature anomaly: 11.0 °C
  • Maximum temperature: 6.6 °C

Event center: 43.0°N 286.0°E

Area affected: 59122 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_2021-Dec-11_to_2021-Dec-14_286.0_43.0

Heat wave occuring from November 28 2021 to December 02 2021 at 23.5°N 187.5°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: November 28 2021 to December 02 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 1.3 °C
  • Mean temperature: 24.3 °C
  • Maximum temperature anomaly: 2.0 °C
  • Maximum temperature: 25.7 °C

Event center: 23.5°N 187.5°E

Area affected: 531075 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_2021-Nov-28_to_2021-Dec-02_187.5_23.5

Heat wave occuring from November 27 2021 to February 02 2022 at 12.5°N 261.5°E

Download data: JSON

Event type: Heat wave

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

  • Bahamas
  • Belize
  • Colombia
  • Cuba
  • Dominican Republic
  • El Salvador
  • Guatemala
  • Haiti
  • Honduras
  • Jamaica
  • Mexico
  • Nicaragua
  • United States

Duration: 68 days

Time span: November 27 2021 to February 02 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 3.4 °C
  • Mean temperature: 23.2 °C
  • Maximum temperature anomaly: 18.5 °C
  • Maximum temperature: 30.8 °C

Event center: 12.5°N 261.5°E

Area affected: 13415016 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_2021-Nov-27_to_2022-Feb-02_261.5_12.5

Heat wave occuring from November 19 2021 to December 11 2021 at 39.0°N 254.0°E

Download data: JSON

Event type: Heat wave

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

  • Canada
  • Mexico
  • United States

Duration: 23 days

Time span: November 19 2021 to December 11 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 7.1 °C
  • Mean temperature: 9.8 °C
  • Maximum temperature anomaly: 19.6 °C
  • Maximum temperature: 28.3 °C

Event center: 39.0°N 254.0°E

Area affected: 4531351 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_2021-Nov-19_to_2021-Dec-11_254.0_39.0

Heat wave occuring from November 13 2021 to November 17 2021 at 34.0°N 255.5°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: November 13 2021 to November 17 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 6.0 °C
  • Mean temperature: 12.4 °C
  • Maximum temperature anomaly: 11.0 °C
  • Maximum temperature: 19.0 °C

Event center: 34.0°N 255.5°E

Area affected: 81753 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_2021-Nov-13_to_2021-Nov-17_255.5_34.0

Heat wave occuring from November 11 2021 to November 16 2021 at 44.5°N 237.0°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: November 11 2021 to November 16 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 7.0 °C
  • Mean temperature: 7.9 °C
  • Maximum temperature anomaly: 15.0 °C
  • Maximum temperature: 16.6 °C

Event center: 44.5°N 237.0°E

Area affected: 710596 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_2021-Nov-11_to_2021-Nov-16_237.0_44.5

Heat wave occuring from November 11 2021 to November 19 2021 at 33.5°N 242.5°E

Download data: JSON

Event type: Heat wave

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

  • Mexico
  • United States

Duration: 9 days

Time span: November 11 2021 to November 19 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 4.1 °C
  • Mean temperature: 21.1 °C
  • Maximum temperature anomaly: 9.0 °C
  • Maximum temperature: 28.2 °C

Event center: 33.5°N 242.5°E

Area affected: 950479 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_2021-Nov-11_to_2021-Nov-19_242.5_33.5

Heat wave occuring from November 07 2021 to November 10 2021 at 32.0°N 255.0°E

Download data: JSON

Event type: Heat wave

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

  • Mexico
  • United States

Duration: 4 days

Time span: November 07 2021 to November 10 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 5.9 °C
  • Mean temperature: 18.8 °C
  • Maximum temperature anomaly: 7.5 °C
  • Maximum temperature: 22.4 °C

Event center: 32.0°N 255.0°E

Area affected: 89155 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_2021-Nov-07_to_2021-Nov-10_255.0_32.0

Heat wave occuring from November 05 2021 to November 09 2021 at 39.0°N 254.5°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: November 05 2021 to November 09 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 6.6 °C
  • Mean temperature: 10.0 °C
  • Maximum temperature anomaly: 11.2 °C
  • Maximum temperature: 17.6 °C

Event center: 39.0°N 254.5°E

Area affected: 143005 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_2021-Nov-05_to_2021-Nov-09_254.5_39.0