Category: Extremes affecting United States

Cold spell occuring from December 15 2022 to January 01 2023 at 51.0°N 240.5°E

Download data: JSON

Event type: Cold spell

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

  • Canada
  • Mexico
  • United States

Duration: 18 days

Time span: December 15 2022 to January 01 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -13.4 °C
  • Mean temperature: -21.1 °C
  • Minimum temperature anomaly: -33.8 °C
  • Minimum temperature: -50.4 °C

Event center: 51.0°N 240.5°E

Area affected: 12138308 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_2022-Dec-15_to_2023-Jan-01_240.5_51.0

Cold spell occuring from December 13 2022 to December 19 2022 at 37.5°N 253.5°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: December 13 2022 to December 19 2022

Statistics over entire affected area:

  • Mean temperature anomaly: -8.1 °C
  • Mean temperature: -15.4 °C
  • Minimum temperature anomaly: -14.2 °C
  • Minimum temperature: -23.5 °C

Event center: 37.5°N 253.5°E

Area affected: 159602 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_2022-Dec-13_to_2022-Dec-19_253.5_37.5

Cold spell occuring from December 11 2022 to December 25 2022 at 26.0°N 250.5°E

Download data: JSON

Event type: Cold spell

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

  • Mexico
  • United States

Duration: 15 days

Time span: December 11 2022 to December 25 2022

Statistics over entire affected area:

  • Mean temperature anomaly: -4.7 °C
  • Mean temperature: 3.7 °C
  • Minimum temperature anomaly: -17.4 °C
  • Minimum temperature: -19.9 °C

Event center: 26.0°N 250.5°E

Area affected: 2033481 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_2022-Dec-11_to_2022-Dec-25_250.5_26.0

Heat wave occuring from December 04 2022 to December 07 2022 at 36.5°N 251.5°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: December 04 2022 to December 07 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 6.3 °C
  • Mean temperature: 7.1 °C
  • Maximum temperature anomaly: 8.1 °C
  • Maximum temperature: 11.2 °C

Event center: 36.5°N 251.5°E

Area affected: 79982 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_2022-Dec-04_to_2022-Dec-07_251.5_36.5

Heat wave occuring from November 21 2022 to November 24 2022 at 58.0°N 229.0°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: November 21 2022 to November 24 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 7.6 °C
  • Mean temperature: 0.6 °C
  • Maximum temperature anomaly: 13.5 °C
  • Maximum temperature: 8.1 °C

Event center: 58.0°N 229.0°E

Area affected: 187247 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_2022-Nov-21_to_2022-Nov-24_229.0_58.0

Heat wave occuring from November 16 2022 to November 21 2022 at 57.0°N 198.5°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: November 16 2022 to November 21 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 5.4 °C
  • Mean temperature: 5.6 °C
  • Maximum temperature anomaly: 12.2 °C
  • Maximum temperature: 8.7 °C

Event center: 57.0°N 198.5°E

Area affected: 121618 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_2022-Nov-16_to_2022-Nov-21_198.5_57.0

Heat wave occuring from November 10 2022 to November 12 2022 at 46.0°N 283.0°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: November 10 2022 to November 12 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 8.5 °C
  • Mean temperature: 10.4 °C
  • Maximum temperature anomaly: 12.3 °C
  • Maximum temperature: 15.2 °C

Event center: 46.0°N 283.0°E

Area affected: 174993 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_2022-Nov-10_to_2022-Nov-12_283.0_46.0

Heat wave occuring from November 10 2022 to November 27 2022 at 68.5°N 240.5°E

Download data: JSON

Event type: Heat wave

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

  • Canada
  • United States

Duration: 18 days

Time span: November 10 2022 to November 27 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 10.9 °C
  • Mean temperature: -5.8 °C
  • Maximum temperature anomaly: 23.0 °C
  • Maximum temperature: 9.2 °C

Event center: 68.5°N 240.5°E

Area affected: 5015833 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_2022-Nov-10_to_2022-Nov-27_240.5_68.5

Heat wave occuring from November 07 2022 to November 10 2022 at 69.0°N 204.0°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: November 07 2022 to November 10 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 11.4 °C
  • Mean temperature: -4.9 °C
  • Maximum temperature anomaly: 14.6 °C
  • Maximum temperature: -2.6 °C

Event center: 69.0°N 204.0°E

Area affected: 57319 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_2022-Nov-07_to_2022-Nov-10_204.0_69.0

Cold spell occuring from November 07 2022 to December 09 2022 at 80.0°N 265.5°E

Download data: JSON

Event type: Cold spell

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

  • Canada
  • Greenland
  • United States

Duration: 33 days

Time span: November 07 2022 to December 09 2022

Statistics over entire affected area:

  • Mean temperature anomaly: -8.6 °C
  • Mean temperature: -27.6 °C
  • Minimum temperature anomaly: -23.8 °C
  • Minimum temperature: -51.1 °C

Event center: 80.0°N 265.5°E

Area affected: 9697271 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_2022-Nov-07_to_2022-Dec-09_265.5_80.0