Category: Cold spells affecting United States

Cold spell occuring from December 20 2020 to January 20 2021 at 15.0°N 263.5°E

Download data: JSON

Event type: Cold spell

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

  • Mexico
  • United States

Duration: 32 days

Time span: December 20 2020 to January 20 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -3.1 °C
  • Mean temperature: 17.9 °C
  • Minimum temperature anomaly: -15.4 °C
  • Minimum temperature: -7.5 °C

Event center: 15.0°N 263.5°E

Area affected: 2367029 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_2020-Dec-20_to_2021-Jan-20_263.5_15.0

Cold spell occuring from December 08 2020 to December 10 2020 at 25.0°N 281.0°E

Download data: JSON

Event type: Cold spell

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

  • Bahamas
  • United States

Duration: 3 days

Time span: December 08 2020 to December 10 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -4.7 °C
  • Mean temperature: 18.2 °C
  • Minimum temperature anomaly: -9.2 °C
  • Minimum temperature: 9.4 °C

Event center: 25.0°N 281.0°E

Area affected: 170126 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_2020-Dec-08_to_2020-Dec-10_281.0_25.0

Cold spell occuring from November 18 2020 to November 21 2020 at 53.0°N 172.0°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: November 18 2020 to November 21 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -2.4 °C
  • Mean temperature: 0.7 °C
  • Minimum temperature anomaly: -3.7 °C
  • Minimum temperature: -1.9 °C

Event center: 53.0°N 172.0°E

Area affected: 135638 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_2020-Nov-18_to_2020-Nov-21_172.0_53.0

Cold spell occuring from November 07 2020 to November 13 2020 at 49.5°N 236.0°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: November 07 2020 to November 13 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -3.6 °C
  • Mean temperature: 4.0 °C
  • Minimum temperature anomaly: -7.2 °C
  • Minimum temperature: -1.2 °C

Event center: 49.5°N 236.0°E

Area affected: 61875 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_2020-Nov-07_to_2020-Nov-13_236.0_49.5

Cold spell occuring from November 07 2020 to November 13 2020 at 38.5°N 242.0°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: November 07 2020 to November 13 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -7.1 °C
  • Mean temperature: 3.9 °C
  • Minimum temperature anomaly: -18.7 °C
  • Minimum temperature: -15.8 °C

Event center: 38.5°N 242.0°E

Area affected: 734855 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_2020-Nov-07_to_2020-Nov-13_242.0_38.5

Cold spell occuring from November 05 2020 to November 11 2020 at 24.0°N 186.5°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: November 05 2020 to November 11 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -1.6 °C
  • Mean temperature: 23.2 °C
  • Minimum temperature anomaly: -4.0 °C
  • Minimum temperature: 19.5 °C

Event center: 24.0°N 186.5°E

Area affected: 517878 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_2020-Nov-05_to_2020-Nov-11_186.5_24.0

Cold spell occuring from October 28 2020 to November 08 2020 at 62.5°N 225.5°E

Download data: JSON

Event type: Cold spell

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

  • Canada
  • United States

Duration: 12 days

Time span: October 28 2020 to November 08 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -8.9 °C
  • Mean temperature: -14.7 °C
  • Minimum temperature anomaly: -19.1 °C
  • Minimum temperature: -34.5 °C

Event center: 62.5°N 225.5°E

Area affected: 1478744 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_2020-Oct-28_to_2020-Nov-08_225.5_62.5

Cold spell occuring from October 25 2020 to October 27 2020 at 43.5°N 248.5°E

Download data: JSON

Event type: Cold spell

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

  • United States

Duration: 3 days

Time span: October 25 2020 to October 27 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -9.1 °C
  • Mean temperature: -4.5 °C
  • Minimum temperature anomaly: -17.2 °C
  • Minimum temperature: -18.6 °C

Event center: 43.5°N 248.5°E

Area affected: 88632 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_2020-Oct-25_to_2020-Oct-27_248.5_43.5

Cold spell occuring from October 14 2020 to October 31 2020 at 46.0°N 252.0°E

Download data: JSON

Event type: Cold spell

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

  • Canada
  • Mexico
  • United States

Duration: 18 days

Time span: October 14 2020 to October 31 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -8.9 °C
  • Mean temperature: -5.2 °C
  • Minimum temperature anomaly: -23.5 °C
  • Minimum temperature: -31.0 °C

Event center: 46.0°N 252.0°E

Area affected: 7800396 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_2020-Oct-14_to_2020-Oct-31_252.0_46.0

Cold spell occuring from October 13 2020 to October 19 2020 at 28.0°N 191.0°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: October 13 2020 to October 19 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -2.8 °C
  • Mean temperature: 19.7 °C
  • Minimum temperature anomaly: -6.0 °C
  • Minimum temperature: 12.4 °C

Event center: 28.0°N 191.0°E

Area affected: 2807262 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_2020-Oct-13_to_2020-Oct-19_191.0_28.0