Category: Extremes affecting United States

Heat wave occuring from July 25 2024 to July 28 2024 at 52.5°N 268.5°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: July 25 2024 to July 28 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 5.0 °C
  • Mean temperature: 24.0 °C
  • Maximum temperature anomaly: 8.3 °C
  • Maximum temperature: 30.2 °C

Event center: 52.5°N 268.5°E

Area affected: 286508 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_2024-Jul-25_to_2024-Jul-28_268.5_52.5

Cold spell occuring from July 22 2024 to September 01 2024 at 68.0°N 187.0°E

Download data: JSON

Event type: Cold spell

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

  • Canada
  • Russian Federation
  • United States

Duration: 42 days

Time span: July 22 2024 to September 01 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -3.5 °C
  • Mean temperature: 1.6 °C
  • Minimum temperature anomaly: -12.1 °C
  • Minimum temperature: -3.9 °C

Event center: 68.0°N 187.0°E

Area affected: 3053478 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: Cold_spell_2024-Jul-22_to_2024-Sep-01_187.0_68.0

Heat wave occuring from July 21 2024 to July 26 2024 at 63.5°N 189.5°E

Download data: JSON

Event type: Heat wave

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

  • Russian Federation
  • United States

Duration: 6 days

Time span: July 21 2024 to July 26 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 5.6 °C
  • Mean temperature: 14.8 °C
  • Maximum temperature anomaly: 9.9 °C
  • Maximum temperature: 19.6 °C

Event center: 63.5°N 189.5°E

Area affected: 71404 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_2024-Jul-21_to_2024-Jul-26_189.5_63.5

Heat wave occuring from July 18 2024 to July 21 2024 at 29.5°N 252.5°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: July 18 2024 to July 21 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 3.4 °C
  • Mean temperature: 26.8 °C
  • Maximum temperature anomaly: 4.7 °C
  • Maximum temperature: 31.5 °C

Event center: 29.5°N 252.5°E

Area affected: 50655 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_2024-Jul-18_to_2024-Jul-21_252.5_29.5

Cold spell occuring from July 17 2024 to July 28 2024 at 32.5°N 266.0°E

Download data: JSON

Event type: Cold spell

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

  • Mexico
  • United States

Duration: 12 days

Time span: July 17 2024 to July 28 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -4.0 °C
  • Mean temperature: 24.1 °C
  • Minimum temperature anomaly: -6.6 °C
  • Minimum temperature: 16.2 °C

Event center: 32.5°N 266.0°E

Area affected: 1368382 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: Cold_spell_2024-Jul-17_to_2024-Jul-28_266.0_32.5

Cold spell occuring from July 11 2024 to July 13 2024 at 28.0°N 260.0°E

Download data: JSON

Event type: Cold spell

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

  • Mexico
  • United States

Duration: 3 days

Time span: July 11 2024 to July 13 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -3.3 °C
  • Mean temperature: 27.4 °C
  • Minimum temperature anomaly: -4.8 °C
  • Minimum temperature: 25.3 °C

Event center: 28.0°N 260.0°E

Area affected: 98241 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: Cold_spell_2024-Jul-11_to_2024-Jul-13_260.0_28.0

Heat wave occuring from July 11 2024 to July 20 2024 at 25.0°N 262.5°E

Download data: JSON

Event type: Heat wave

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

  • United States

Duration: 10 days

Time span: July 11 2024 to July 20 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 1.0 °C
  • Mean temperature: 29.1 °C
  • Maximum temperature anomaly: 1.5 °C
  • Maximum temperature: 29.8 °C

Event center: 25.0°N 262.5°E

Area affected: 147950 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_2024-Jul-11_to_2024-Jul-20_262.5_25.0

Cold spell occuring from July 04 2024 to July 09 2024 at 40.5°N 260.5°E

Download data: JSON

Event type: Cold spell

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

  • United States

Duration: 6 days

Time span: July 04 2024 to July 09 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -4.8 °C
  • Mean temperature: 19.6 °C
  • Minimum temperature anomaly: -7.2 °C
  • Minimum temperature: 17.7 °C

Event center: 40.5°N 260.5°E

Area affected: 63346 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: Cold_spell_2024-Jul-04_to_2024-Jul-09_260.5_40.5

Cold spell occuring from July 01 2024 to July 20 2024 at 68.0°N 187.0°E

Download data: JSON

Event type: Cold spell

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

  • Canada
  • Russian Federation
  • United States

Duration: 20 days

Time span: July 01 2024 to July 20 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -3.6 °C
  • Mean temperature: 4.5 °C
  • Minimum temperature anomaly: -12.9 °C
  • Minimum temperature: -3.3 °C

Event center: 68.0°N 187.0°E

Area affected: 2551525 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: Cold_spell_2024-Jul-01_to_2024-Jul-20_187.0_68.0

Cold spell occuring from June 30 2024 to July 12 2024 at 72.5°N 223.5°E

Download data: JSON

Event type: Cold spell

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

  • Canada
  • United States

Duration: 13 days

Time span: June 30 2024 to July 12 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -1.5 °C
  • Mean temperature: 0.1 °C
  • Minimum temperature anomaly: -4.4 °C
  • Minimum temperature: -0.5 °C

Event center: 72.5°N 223.5°E

Area affected: 117940 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: Cold_spell_2024-Jun-30_to_2024-Jul-12_223.5_72.5