Category: Heat waves affecting United States

14 heat waves identified in United States since 2020

Heat wave occuring from July 27 2012 to August 08 2012 at 33.5°N 264.5°E

Download data: JSON

Event type: Heat wave

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

  • Mexico
  • United States

Duration: 13 days

Time span: July 27 2012 to August 08 2012

Statistics over entire affected area:

  • Mean temperature anomaly: 4.5 °C
  • Mean temperature: 31.6 °C
  • Maximum temperature anomaly: 9.5 °C
  • Maximum temperature: 37.7 °C

Event center: 33.5°N 264.5°E

Area affected: 1676706 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_2012-Jul-27_to_2012-Aug-08_264.5_33.5

Heat wave occuring from July 22 2012 to July 27 2012 at 32.5°N 274.5°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: July 22 2012 to July 27 2012

Statistics over entire affected area:

  • Mean temperature anomaly: 3.1 °C
  • Mean temperature: 30.0 °C
  • Maximum temperature anomaly: 4.8 °C
  • Maximum temperature: 32.4 °C

Event center: 32.5°N 274.5°E

Area affected: 145258 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_2012-Jul-22_to_2012-Jul-27_274.5_32.5

Heat wave occuring from July 16 2012 to July 19 2012 at 38.0°N 285.0°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: July 16 2012 to July 19 2012

Statistics over entire affected area:

  • Mean temperature anomaly: 2.2 °C
  • Mean temperature: 27.3 °C
  • Maximum temperature anomaly: 3.8 °C
  • Maximum temperature: 29.6 °C

Event center: 38.0°N 285.0°E

Area affected: 56053 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_2012-Jul-16_to_2012-Jul-19_285.0_38.0

Heat wave occuring from June 29 2012 to July 19 2012 at 43.5°N 294.0°E

Download data: JSON

Event type: Heat wave

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

  • Canada
  • United States

Duration: 21 days

Time span: June 29 2012 to July 19 2012

Statistics over entire affected area:

  • Mean temperature anomaly: 2.5 °C
  • Mean temperature: 17.6 °C
  • Maximum temperature anomaly: 4.3 °C
  • Maximum temperature: 25.3 °C

Event center: 43.5°N 294.0°E

Area affected: 288719 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_2012-Jun-29_to_2012-Jul-19_294.0_43.5

Heat wave occuring from June 17 2012 to June 19 2012 at 41.0°N 257.5°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: June 17 2012 to June 19 2012

Statistics over entire affected area:

  • Mean temperature anomaly: 7.0 °C
  • Mean temperature: 27.1 °C
  • Maximum temperature anomaly: 9.7 °C
  • Maximum temperature: 31.4 °C

Event center: 41.0°N 257.5°E

Area affected: 96517 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_2012-Jun-17_to_2012-Jun-19_257.5_41.0

Heat wave occuring from June 13 2012 to July 27 2012 at 45.5°N 274.0°E

Download data: JSON

Event type: Heat wave

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

  • Canada
  • Mexico
  • United States

Duration: 45 days

Time span: June 13 2012 to July 27 2012

Statistics over entire affected area:

  • Mean temperature anomaly: 5.4 °C
  • Mean temperature: 26.8 °C
  • Maximum temperature anomaly: 11.9 °C
  • Maximum temperature: 39.6 °C

Event center: 45.5°N 274.0°E

Area affected: 10279782 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_2012-Jun-13_to_2012-Jul-27_274.0_45.5

Heat wave occuring from June 07 2012 to June 15 2012 at 28.5°N 253.0°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: June 07 2012 to June 15 2012

Statistics over entire affected area:

  • Mean temperature anomaly: 3.4 °C
  • Mean temperature: 29.6 °C
  • Maximum temperature anomaly: 5.6 °C
  • Maximum temperature: 35.5 °C

Event center: 28.5°N 253.0°E

Area affected: 498716 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_2012-Jun-07_to_2012-Jun-15_253.0_28.5

Heat wave occuring from June 03 2012 to June 06 2012 at 44.5°N 256.5°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: June 03 2012 to June 06 2012

Statistics over entire affected area:

  • Mean temperature anomaly: 6.9 °C
  • Mean temperature: 24.1 °C
  • Maximum temperature anomaly: 11.3 °C
  • Maximum temperature: 28.7 °C

Event center: 44.5°N 256.5°E

Area affected: 87651 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_2012-Jun-03_to_2012-Jun-06_256.5_44.5

Heat wave occuring from June 03 2012 to June 06 2012 at 30.5°N 264.0°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: June 03 2012 to June 06 2012

Statistics over entire affected area:

  • Mean temperature anomaly: 3.5 °C
  • Mean temperature: 29.9 °C
  • Maximum temperature anomaly: 4.5 °C
  • Maximum temperature: 31.3 °C

Event center: 30.5°N 264.0°E

Area affected: 50014 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_2012-Jun-03_to_2012-Jun-06_264.0_30.5

Heat wave occuring from June 01 2012 to June 12 2012 at 44.0°N 273.0°E

Download data: JSON

Event type: Heat wave

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

  • Canada
  • United States

Duration: 12 days

Time span: June 01 2012 to June 12 2012

Statistics over entire affected area:

  • Mean temperature anomaly: 5.8 °C
  • Mean temperature: 20.5 °C
  • Maximum temperature anomaly: 10.2 °C
  • Maximum temperature: 28.6 °C

Event center: 44.0°N 273.0°E

Area affected: 750621 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_2012-Jun-01_to_2012-Jun-12_273.0_44.0