Category: Extremes affecting United States

Cold spell occuring from April 05 2024 to April 09 2024 at 42.5°N 243.0°E

Download data: JSON

Event type: Cold spell

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

  • United States

Duration: 5 days

Time span: April 05 2024 to April 09 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -7.5 °C
  • Mean temperature: -1.0 °C
  • Minimum temperature anomaly: -10.8 °C
  • Minimum temperature: -5.2 °C

Event center: 42.5°N 243.0°E

Area affected: 95110 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-Apr-05_to_2024-Apr-09_243.0_42.5

Heat wave occuring from April 03 2024 to April 05 2024 at 45.5°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: 3 days

Time span: April 03 2024 to April 05 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 8.7 °C
  • Mean temperature: 13.0 °C
  • Maximum temperature anomaly: 12.6 °C
  • Maximum temperature: 18.5 °C

Event center: 45.5°N 254.0°E

Area affected: 53867 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-Apr-03_to_2024-Apr-05_254.0_45.5

Heat wave occuring from April 01 2024 to April 03 2024 at 51.0°N 241.0°E

Download data: JSON

Event type: Heat wave

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

  • Canada
  • United States

Duration: 3 days

Time span: April 01 2024 to April 03 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 6.3 °C
  • Mean temperature: 7.9 °C
  • Maximum temperature anomaly: 9.5 °C
  • Maximum temperature: 12.4 °C

Event center: 51.0°N 241.0°E

Area affected: 61357 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-Apr-01_to_2024-Apr-03_241.0_51.0

Heat wave occuring from March 30 2024 to April 03 2024 at 38.0°N 271.5°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: March 30 2024 to April 03 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 7.7 °C
  • Mean temperature: 20.3 °C
  • Maximum temperature anomaly: 10.3 °C
  • Maximum temperature: 23.7 °C

Event center: 38.0°N 271.5°E

Area affected: 242902 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-Mar-30_to_2024-Apr-03_271.5_38.0

Cold spell occuring from March 23 2024 to April 12 2024 at 19.0°N 255.0°E

Download data: JSON

Event type: Cold spell

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

  • Mexico
  • United States

Duration: 21 days

Time span: March 23 2024 to April 12 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -3.3 °C
  • Mean temperature: 17.6 °C
  • Minimum temperature anomaly: -12.2 °C
  • Minimum temperature: -5.5 °C

Event center: 19.0°N 255.0°E

Area affected: 1530772 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-Mar-23_to_2024-Apr-12_255.0_19.0

Cold spell occuring from March 21 2024 to March 29 2024 at 46.0°N 257.5°E

Download data: JSON

Event type: Cold spell

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

  • Canada
  • United States

Duration: 9 days

Time span: March 21 2024 to March 29 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -10.2 °C
  • Mean temperature: -7.6 °C
  • Minimum temperature anomaly: -18.0 °C
  • Minimum temperature: -16.1 °C

Event center: 46.0°N 257.5°E

Area affected: 714480 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-Mar-21_to_2024-Mar-29_257.5_46.0

Heat wave occuring from March 20 2024 to March 31 2024 at 23.0°N 186.0°E

Download data: JSON

Event type: Heat wave

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

  • United States

Duration: 12 days

Time span: March 20 2024 to March 31 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 2.5 °C
  • Mean temperature: 21.2 °C
  • Maximum temperature anomaly: 3.8 °C
  • Maximum temperature: 24.9 °C

Event center: 23.0°N 186.0°E

Area affected: 1283621 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-Mar-20_to_2024-Mar-31_186.0_23.0

Cold spell occuring from March 18 2024 to March 21 2024 at 52.5°N 177.5°E

Download data: JSON

Event type: Cold spell

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

  • United States

Duration: 4 days

Time span: March 18 2024 to March 21 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -2.6 °C
  • Mean temperature: -1.1 °C
  • Minimum temperature anomaly: -4.5 °C
  • Minimum temperature: -4.8 °C

Event center: 52.5°N 177.5°E

Area affected: 145994 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-Mar-18_to_2024-Mar-21_177.5_52.5

Cold spell occuring from March 15 2024 to March 17 2024 at 34.0°N 245.0°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: March 15 2024 to March 17 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -6.9 °C
  • Mean temperature: 12.2 °C
  • Minimum temperature anomaly: -9.5 °C
  • Minimum temperature: 5.4 °C

Event center: 34.0°N 245.0°E

Area affected: 103091 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-Mar-15_to_2024-Mar-17_245.0_34.0

Heat wave occuring from March 13 2024 to April 01 2024 at 60.0°N 222.0°E

Download data: JSON

Event type: Heat wave

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

  • Canada
  • United States

Duration: 20 days

Time span: March 13 2024 to April 01 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 7.1 °C
  • Mean temperature: -2.3 °C
  • Maximum temperature anomaly: 21.9 °C
  • Maximum temperature: 18.9 °C

Event center: 60.0°N 222.0°E

Area affected: 9385669 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-Mar-13_to_2024-Apr-01_222.0_60.0