Category: Heat waves affecting United States

14 heat waves identified in United States since 2020

Heat wave occuring from May 24 2011 to May 29 2011 at 62.5°N 190.0°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: May 24 2011 to May 29 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 2.4 °C
  • Mean temperature: 3.2 °C
  • Maximum temperature anomaly: 5.3 °C
  • Maximum temperature: 7.4 °C

Event center: 62.5°N 190.0°E

Area affected: 54843 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_2011-May-24_to_2011-May-29_190.0_62.5

Heat wave occuring from May 20 2011 to May 24 2011 at 26.0°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: 5 days

Time span: May 20 2011 to May 24 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 2.6 °C
  • Mean temperature: 28.4 °C
  • Maximum temperature anomaly: 3.8 °C
  • Maximum temperature: 30.0 °C

Event center: 26.0°N 279.0°E

Area affected: 76817 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_2011-May-20_to_2011-May-24_279.0_26.0

Heat wave occuring from May 19 2011 to August 23 2011 at 44.0°N 194.0°E

Download data: JSON

Event type: Heat wave

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

  • China
  • Japan
  • Russian Federation
  • United States

Duration: 97 days

Time span: May 19 2011 to August 23 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 3.5 °C
  • Mean temperature: 21.0 °C
  • Maximum temperature anomaly: 12.7 °C
  • Maximum temperature: 29.9 °C

Event center: 44.0°N 194.0°E

Area affected: 20639263 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_2011-May-19_to_2011-Aug-23_194.0_44.0

Heat wave occuring from May 18 2011 to June 03 2011 at 66.5°N 218.5°E

Download data: JSON

Event type: Heat wave

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

  • Canada
  • United States

Duration: 17 days

Time span: May 18 2011 to June 03 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 5.6 °C
  • Mean temperature: 9.9 °C
  • Maximum temperature anomaly: 13.6 °C
  • Maximum temperature: 23.4 °C

Event center: 66.5°N 218.5°E

Area affected: 1683129 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_2011-May-18_to_2011-Jun-03_218.5_66.5

Heat wave occuring from May 07 2011 to May 13 2011 at 38.5°N 261.5°E

Download data: JSON

Event type: Heat wave

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

  • Mexico
  • United States

Duration: 7 days

Time span: May 07 2011 to May 13 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 6.7 °C
  • Mean temperature: 25.5 °C
  • Maximum temperature anomaly: 13.6 °C
  • Maximum temperature: 32.4 °C

Event center: 38.5°N 261.5°E

Area affected: 1740992 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_2011-May-07_to_2011-May-13_261.5_38.5

Heat wave occuring from May 04 2011 to September 15 2011 at 32.5°N 263.5°E

Download data: JSON

Event type: Heat wave

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

  • Belize
  • Canada
  • Guatemala
  • Honduras
  • Mexico
  • United States

Duration: 135 days

Time span: May 04 2011 to September 15 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 4.1 °C
  • Mean temperature: 29.2 °C
  • Maximum temperature anomaly: 11.0 °C
  • Maximum temperature: 39.9 °C

Event center: 32.5°N 263.5°E

Area affected: 11285045 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_2011-May-04_to_2011-Sep-15_263.5_32.5

Heat wave occuring from April 18 2011 to May 01 2011 at 29.5°N 260.0°E

Download data: JSON

Event type: Heat wave

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

  • Canada
  • Mexico
  • United States

Duration: 14 days

Time span: April 18 2011 to May 01 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 4.3 °C
  • Mean temperature: 23.1 °C
  • Maximum temperature anomaly: 11.0 °C
  • Maximum temperature: 34.9 °C

Event center: 29.5°N 260.0°E

Area affected: 4491455 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_2011-Apr-18_to_2011-May-01_260.0_29.5

Heat wave occuring from April 16 2011 to April 23 2011 at 33.5°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: 8 days

Time span: April 16 2011 to April 23 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 5.2 °C
  • Mean temperature: 19.7 °C
  • Maximum temperature anomaly: 8.3 °C
  • Maximum temperature: 28.1 °C

Event center: 33.5°N 254.5°E

Area affected: 170379 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_2011-Apr-16_to_2011-Apr-23_254.5_33.5

Heat wave occuring from April 05 2011 to April 16 2011 at 21.5°N 258.5°E

Download data: JSON

Event type: Heat wave

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

  • Mexico
  • United States

Duration: 12 days

Time span: April 05 2011 to April 16 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 5.9 °C
  • Mean temperature: 25.0 °C
  • Maximum temperature anomaly: 12.2 °C
  • Maximum temperature: 33.1 °C

Event center: 21.5°N 258.5°E

Area affected: 2551495 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_2011-Apr-05_to_2011-Apr-16_258.5_21.5

Heat wave occuring from March 31 2011 to April 02 2011 at 43.5°N 250.5°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: March 31 2011 to April 02 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 5.3 °C
  • Mean temperature: 4.7 °C
  • Maximum temperature anomaly: 7.1 °C
  • Maximum temperature: 13.7 °C

Event center: 43.5°N 250.5°E

Area affected: 77927 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_2011-Mar-31_to_2011-Apr-02_250.5_43.5