Category: Cold spells affecting United States

Cold spell occuring from March 24 2021 to March 27 2021 at 34.5°N 252.5°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 24 2021 to March 27 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -7.0 °C
  • Mean temperature: 0.4 °C
  • Minimum temperature anomaly: -14.7 °C
  • Minimum temperature: -6.0 °C

Event center: 34.5°N 252.5°E

Area affected: 108312 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_2021-Mar-24_to_2021-Mar-27_252.5_34.5

Cold spell occuring from March 23 2021 to March 30 2021 at 19.5°N 182.5°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 23 2021 to March 30 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -2.2 °C
  • Mean temperature: 18.6 °C
  • Minimum temperature anomaly: -4.5 °C
  • Minimum temperature: 11.2 °C

Event center: 19.5°N 182.5°E

Area affected: 1446643 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_2021-Mar-23_to_2021-Mar-30_182.5_19.5

Cold spell occuring from March 17 2021 to March 22 2021 at 63.0°N 213.5°E

Download data: JSON

Event type: Cold spell

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

  • United States

Duration: 6 days

Time span: March 17 2021 to March 22 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -8.0 °C
  • Mean temperature: -15.7 °C
  • Minimum temperature anomaly: -12.1 °C
  • Minimum temperature: -26.4 °C

Event center: 63.0°N 213.5°E

Area affected: 60296 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_2021-Mar-17_to_2021-Mar-22_213.5_63.0

Cold spell occuring from March 15 2021 to April 23 2021 at 71.0°N 221.0°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: 40 days

Time span: March 15 2021 to April 23 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -8.2 °C
  • Mean temperature: -26.7 °C
  • Minimum temperature anomaly: -22.8 °C
  • Minimum temperature: -43.6 °C

Event center: 71.0°N 221.0°E

Area affected: 14898697 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_2021-Mar-15_to_2021-Apr-23_221.0_71.0

Cold spell occuring from March 11 2021 to March 13 2021 at 63.0°N 200.5°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: March 11 2021 to March 13 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -12.3 °C
  • Mean temperature: -23.9 °C
  • Minimum temperature anomaly: -16.5 °C
  • Minimum temperature: -31.0 °C

Event center: 63.0°N 200.5°E

Area affected: 88954 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_2021-Mar-11_to_2021-Mar-13_200.5_63.0

Cold spell occuring from March 09 2021 to April 03 2021 at 23.5°N 253.0°E

Download data: JSON

Event type: Cold spell

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

  • Mexico
  • United States

Duration: 26 days

Time span: March 09 2021 to April 03 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -2.4 °C
  • Mean temperature: 14.6 °C
  • Minimum temperature anomaly: -11.0 °C
  • Minimum temperature: -10.6 °C

Event center: 23.5°N 253.0°E

Area affected: 4450846 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_2021-Mar-09_to_2021-Apr-03_253.0_23.5

Cold spell occuring from March 08 2021 to March 10 2021 at 53.5°N 174.5°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: March 08 2021 to March 10 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -2.6 °C
  • Mean temperature: -1.0 °C
  • Minimum temperature anomaly: -4.5 °C
  • Minimum temperature: -4.4 °C

Event center: 53.5°N 174.5°E

Area affected: 334866 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_2021-Mar-08_to_2021-Mar-10_174.5_53.5

Cold spell occuring from February 14 2021 to March 04 2021 at 72.0°N 210.5°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: 19 days

Time span: February 14 2021 to March 04 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -9.8 °C
  • Mean temperature: -31.6 °C
  • Minimum temperature anomaly: -19.8 °C
  • Minimum temperature: -47.9 °C

Event center: 72.0°N 210.5°E

Area affected: 3459166 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_2021-Feb-14_to_2021-Mar-04_210.5_72.0

Cold spell occuring from February 12 2021 to February 22 2021 at 72.0°N 188.5°E

Download data: JSON

Event type: Cold spell

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

  • Russian Federation
  • United States

Duration: 11 days

Time span: February 12 2021 to February 22 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -7.6 °C
  • Mean temperature: -28.3 °C
  • Minimum temperature anomaly: -16.0 °C
  • Minimum temperature: -36.3 °C

Event center: 72.0°N 188.5°E

Area affected: 397950 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_2021-Feb-12_to_2021-Feb-22_188.5_72.0

Cold spell occuring from February 06 2021 to March 11 2021 at 66.0°N 35.5°E

Download data: JSON

Event type: Cold spell

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

  • Armenia
  • Azerbaijan
  • Belarus
  • China
  • Estonia
  • Finland
  • Iran, Islamic Republic of
  • Kazakhstan
  • Latvia
  • Lithuania
  • Norway
  • Poland
  • Russian Federation
  • Turkmenistan
  • Ukraine
  • United States
  • Uzbekistan

Duration: 34 days

Time span: February 06 2021 to March 11 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -12.8 °C
  • Mean temperature: -27.8 °C
  • Minimum temperature anomaly: -25.5 °C
  • Minimum temperature: -47.4 °C

Event center: 66.0°N 35.5°E

Area affected: 15167350 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_2021-Feb-06_to_2021-Mar-11_35.5_66.0