Category: Extremes affecting United States

Heat wave occuring from March 12 2024 to March 18 2024 at 37.5°N 284.0°E

Download data: JSON

Event type: Heat wave

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

  • Canada
  • United States

Duration: 7 days

Time span: March 12 2024 to March 18 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 8.4 °C
  • Mean temperature: 10.1 °C
  • Maximum temperature anomaly: 12.1 °C
  • Maximum temperature: 19.3 °C

Event center: 37.5°N 284.0°E

Area affected: 340772 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-12_to_2024-Mar-18_284.0_37.5

Cold spell occuring from March 11 2024 to March 17 2024 at 53.0°N 191.5°E

Download data: JSON

Event type: Cold spell

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

  • United States

Duration: 7 days

Time span: March 11 2024 to March 17 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -4.1 °C
  • Mean temperature: -2.7 °C
  • Minimum temperature anomaly: -7.0 °C
  • Minimum temperature: -8.6 °C

Event center: 53.0°N 191.5°E

Area affected: 232319 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-11_to_2024-Mar-17_191.5_53.0

Heat wave occuring from March 11 2024 to March 16 2024 at 48.5°N 272.5°E

Download data: JSON

Event type: Heat wave

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

  • Canada
  • United States

Duration: 6 days

Time span: March 11 2024 to March 16 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 8.0 °C
  • Mean temperature: 2.3 °C
  • Maximum temperature anomaly: 12.2 °C
  • Maximum temperature: 6.8 °C

Event center: 48.5°N 272.5°E

Area affected: 80940 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-11_to_2024-Mar-16_272.5_48.5

Heat wave occuring from March 10 2024 to March 17 2024 at 42.0°N 277.0°E

Download data: JSON

Event type: Heat wave

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

  • Canada
  • United States

Duration: 8 days

Time span: March 10 2024 to March 17 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 9.4 °C
  • Mean temperature: 9.9 °C
  • Maximum temperature anomaly: 15.2 °C
  • Maximum temperature: 21.4 °C

Event center: 42.0°N 277.0°E

Area affected: 711299 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-10_to_2024-Mar-17_277.0_42.0

Cold spell occuring from March 10 2024 to March 14 2024 at 58.5°N 196.5°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: March 10 2024 to March 14 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -9.9 °C
  • Mean temperature: -17.0 °C
  • Minimum temperature anomaly: -12.5 °C
  • Minimum temperature: -21.7 °C

Event center: 58.5°N 196.5°E

Area affected: 54264 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-10_to_2024-Mar-14_196.5_58.5

Heat wave occuring from March 09 2024 to March 22 2024 at 65.5°N 279.5°E

Download data: JSON

Event type: Heat wave

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

  • Canada
  • United States

Duration: 14 days

Time span: March 09 2024 to March 22 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 11.1 °C
  • Mean temperature: -10.2 °C
  • Maximum temperature anomaly: 19.8 °C
  • Maximum temperature: 3.6 °C

Event center: 65.5°N 279.5°E

Area affected: 1831918 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-09_to_2024-Mar-22_279.5_65.5

Cold spell occuring from March 05 2024 to March 21 2024 at 70.5°N 224.0°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: 17 days

Time span: March 05 2024 to March 21 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -7.7 °C
  • Mean temperature: -29.3 °C
  • Minimum temperature anomaly: -15.3 °C
  • Minimum temperature: -41.2 °C

Event center: 70.5°N 224.0°E

Area affected: 972380 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-05_to_2024-Mar-21_224.0_70.5

Cold spell occuring from March 03 2024 to March 10 2024 at 43.0°N 244.5°E

Download data: JSON

Event type: Cold spell

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

  • United States

Duration: 8 days

Time span: March 03 2024 to March 10 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -7.0 °C
  • Mean temperature: -7.6 °C
  • Minimum temperature anomaly: -14.0 °C
  • Minimum temperature: -15.1 °C

Event center: 43.0°N 244.5°E

Area affected: 143175 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-03_to_2024-Mar-10_244.5_43.0

Heat wave occuring from March 01 2024 to March 09 2024 at 45.0°N 277.5°E

Download data: JSON

Event type: Heat wave

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

  • Canada
  • United States

Duration: 9 days

Time span: March 01 2024 to March 09 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 10.4 °C
  • Mean temperature: 6.4 °C
  • Maximum temperature anomaly: 17.6 °C
  • Maximum temperature: 23.2 °C

Event center: 45.0°N 277.5°E

Area affected: 2392017 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-01_to_2024-Mar-09_277.5_45.0

Heat wave occuring from February 26 2024 to February 28 2024 at 36.0°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: 3 days

Time span: February 26 2024 to February 28 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 9.4 °C
  • Mean temperature: 17.5 °C
  • Maximum temperature anomaly: 13.2 °C
  • Maximum temperature: 23.1 °C

Event center: 36.0°N 271.5°E

Area affected: 171003 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-Feb-26_to_2024-Feb-28_271.5_36.0