Category: Cold spells affecting United States

Cold spell occuring from April 18 2023 to April 26 2023 at 49.0°N 255.0°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: April 18 2023 to April 26 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -7.2 °C
  • Mean temperature: 1.4 °C
  • Minimum temperature anomaly: -14.3 °C
  • Minimum temperature: -11.3 °C

Event center: 49.0°N 255.0°E

Area affected: 2962241 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_2023-Apr-18_to_2023-Apr-26_255.0_49.0

Cold spell occuring from April 12 2023 to April 20 2023 at 36.0°N 238.0°E

Download data: JSON

Event type: Cold spell

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

  • United States

Duration: 9 days

Time span: April 12 2023 to April 20 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -1.7 °C
  • Mean temperature: 10.6 °C
  • Minimum temperature anomaly: -2.4 °C
  • Minimum temperature: 8.3 °C

Event center: 36.0°N 238.0°E

Area affected: 95848 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_2023-Apr-12_to_2023-Apr-20_238.0_36.0

Cold spell occuring from April 11 2023 to April 17 2023 at 42.0°N 234.5°E

Download data: JSON

Event type: Cold spell

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

  • Canada
  • United States

Duration: 7 days

Time span: April 11 2023 to April 17 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -2.0 °C
  • Mean temperature: 7.6 °C
  • Minimum temperature anomaly: -3.6 °C
  • Minimum temperature: 2.3 °C

Event center: 42.0°N 234.5°E

Area affected: 496594 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_2023-Apr-11_to_2023-Apr-17_234.5_42.0

Cold spell occuring from April 06 2023 to April 12 2023 at 23.5°N 261.0°E

Download data: JSON

Event type: Cold spell

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

  • Mexico
  • United States

Duration: 7 days

Time span: April 06 2023 to April 12 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -6.7 °C
  • Mean temperature: 16.3 °C
  • Minimum temperature anomaly: -11.0 °C
  • Minimum temperature: 11.5 °C

Event center: 23.5°N 261.0°E

Area affected: 260192 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_2023-Apr-06_to_2023-Apr-12_261.0_23.5

Cold spell occuring from April 02 2023 to May 03 2023 at 59.5°N 204.5°E

Download data: JSON

Event type: Cold spell

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

  • Canada
  • Russian Federation
  • Svalbard and Jan Mayen
  • United States

Duration: 32 days

Time span: April 02 2023 to May 03 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -6.8 °C
  • Mean temperature: -18.7 °C
  • Minimum temperature anomaly: -25.9 °C
  • Minimum temperature: -37.5 °C

Event center: 59.5°N 204.5°E

Area affected: 11288963 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_2023-Apr-02_to_2023-May-03_204.5_59.5

Cold spell occuring from March 30 2023 to April 20 2023 at 27.5°N 245.0°E

Download data: JSON

Event type: Cold spell

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

  • Canada
  • Mexico
  • United States

Duration: 22 days

Time span: March 30 2023 to April 20 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -4.2 °C
  • Mean temperature: 8.5 °C
  • Minimum temperature anomaly: -18.8 °C
  • Minimum temperature: -17.4 °C

Event center: 27.5°N 245.0°E

Area affected: 5445032 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_2023-Mar-30_to_2023-Apr-20_245.0_27.5

Cold spell occuring from March 16 2023 to April 01 2023 at 48.5°N 252.5°E

Download data: JSON

Event type: Cold spell

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

  • Canada
  • Mexico
  • United States

Duration: 17 days

Time span: March 16 2023 to April 01 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -7.0 °C
  • Mean temperature: 0.8 °C
  • Minimum temperature anomaly: -18.5 °C
  • Minimum temperature: -28.1 °C

Event center: 48.5°N 252.5°E

Area affected: 10959071 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_2023-Mar-16_to_2023-Apr-01_252.5_48.5

Cold spell occuring from March 15 2023 to March 19 2023 at 47.0°N 196.0°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: March 15 2023 to March 19 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -3.2 °C
  • Mean temperature: 0.9 °C
  • Minimum temperature anomaly: -4.9 °C
  • Minimum temperature: -3.7 °C

Event center: 47.0°N 196.0°E

Area affected: 1520655 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_2023-Mar-15_to_2023-Mar-19_196.0_47.0

Cold spell occuring from March 11 2023 to March 14 2023 at 57.0°N 223.5°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 11 2023 to March 14 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -3.7 °C
  • Mean temperature: 0.1 °C
  • Minimum temperature anomaly: -5.9 °C
  • Minimum temperature: -3.1 °C

Event center: 57.0°N 223.5°E

Area affected: 77420 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_2023-Mar-11_to_2023-Mar-14_223.5_57.0

Cold spell occuring from March 06 2023 to March 10 2023 at 55.0°N 225.0°E

Download data: JSON

Event type: Cold spell

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

  • Canada
  • United States

Duration: 5 days

Time span: March 06 2023 to March 10 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -3.9 °C
  • Mean temperature: 0.0 °C
  • Minimum temperature anomaly: -8.4 °C
  • Minimum temperature: -8.2 °C

Event center: 55.0°N 225.0°E

Area affected: 109861 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_2023-Mar-06_to_2023-Mar-10_225.0_55.0