Category: Cold spells affecting United States

25 cold spells identified in United States since 2020

Cold spell occuring from November 25 2011 to January 18 2012 at 10.0°N 223.0°E

Download data: JSON

Event type: Cold spell

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

  • Mexico
  • United States

Duration: 55 days

Time span: November 25 2011 to January 18 2012

Statistics over entire affected area:

  • Mean temperature anomaly: -1.9 °C
  • Mean temperature: 19.6 °C
  • Minimum temperature anomaly: -21.1 °C
  • Minimum temperature: -20.6 °C

Event center: 10.0°N 223.0°E

Area affected: 17705138 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_2011-Nov-25_to_2012-Jan-18_223.0_10.0

Cold spell occuring from November 19 2011 to November 23 2011 at 34.5°N 241.0°E

Download data: JSON

Event type: Cold spell

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

  • Mexico
  • United States

Duration: 5 days

Time span: November 19 2011 to November 23 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -3.8 °C
  • Mean temperature: 9.4 °C
  • Minimum temperature anomaly: -7.7 °C
  • Minimum temperature: -0.8 °C

Event center: 34.5°N 241.0°E

Area affected: 63827 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_2011-Nov-19_to_2011-Nov-23_241.0_34.5

Cold spell occuring from November 12 2011 to December 03 2011 at 58.0°N 214.0°E

Download data: JSON

Event type: Cold spell

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

  • Canada
  • United States

Duration: 22 days

Time span: November 12 2011 to December 03 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -9.4 °C
  • Mean temperature: -17.6 °C
  • Minimum temperature anomaly: -23.1 °C
  • Minimum temperature: -41.9 °C

Event center: 58.0°N 214.0°E

Area affected: 8213897 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_2011-Nov-12_to_2011-Dec-03_214.0_58.0

Cold spell occuring from October 27 2011 to November 01 2011 at 41.5°N 285.5°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: October 27 2011 to November 01 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -6.7 °C
  • Mean temperature: 3.5 °C
  • Minimum temperature anomaly: -11.2 °C
  • Minimum temperature: -2.2 °C

Event center: 41.5°N 285.5°E

Area affected: 508669 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_2011-Oct-27_to_2011-Nov-01_285.5_41.5

Cold spell occuring from October 03 2011 to October 11 2011 at 37.5°N 241.0°E

Download data: JSON

Event type: Cold spell

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

  • Mexico
  • United States

Duration: 9 days

Time span: October 03 2011 to October 11 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -6.2 °C
  • Mean temperature: 11.0 °C
  • Minimum temperature anomaly: -14.5 °C
  • Minimum temperature: -9.4 °C

Event center: 37.5°N 241.0°E

Area affected: 1511576 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_2011-Oct-03_to_2011-Oct-11_241.0_37.5

Cold spell occuring from October 01 2011 to October 04 2011 at 33.5°N 273.0°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: October 01 2011 to October 04 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -6.7 °C
  • Mean temperature: 11.8 °C
  • Minimum temperature anomaly: -9.7 °C
  • Minimum temperature: 2.1 °C

Event center: 33.5°N 273.0°E

Area affected: 638645 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_2011-Oct-01_to_2011-Oct-04_273.0_33.5

Cold spell occuring from October 01 2011 to October 05 2011 at 33.0°N 283.0°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: October 01 2011 to October 05 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -4.5 °C
  • Mean temperature: 18.4 °C
  • Minimum temperature anomaly: -8.3 °C
  • Minimum temperature: 11.7 °C

Event center: 33.0°N 283.0°E

Area affected: 582258 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_2011-Oct-01_to_2011-Oct-05_283.0_33.0

Cold spell occuring from September 20 2011 to September 27 2011 at 16.5°N 204.5°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: September 20 2011 to September 27 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -1.0 °C
  • Mean temperature: 24.7 °C
  • Minimum temperature anomaly: -2.1 °C
  • Minimum temperature: 20.6 °C

Event center: 16.5°N 204.5°E

Area affected: 268242 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_2011-Sep-20_to_2011-Sep-27_204.5_16.5

Cold spell occuring from September 19 2011 to October 09 2011 at 47.0°N 210.5°E

Download data: JSON

Event type: Cold spell

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

  • Canada
  • United States

Duration: 21 days

Time span: September 19 2011 to October 09 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -2.8 °C
  • Mean temperature: 11.8 °C
  • Minimum temperature anomaly: -5.0 °C
  • Minimum temperature: 4.9 °C

Event center: 47.0°N 210.5°E

Area affected: 5074557 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_2011-Sep-19_to_2011-Oct-09_210.5_47.0

Cold spell occuring from September 15 2011 to September 17 2011 at 44.0°N 278.0°E

Download data: JSON

Event type: Cold spell

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

  • Canada
  • United States

Duration: 3 days

Time span: September 15 2011 to September 17 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -5.9 °C
  • Mean temperature: 10.5 °C
  • Minimum temperature anomaly: -7.6 °C
  • Minimum temperature: 5.6 °C

Event center: 44.0°N 278.0°E

Area affected: 80080 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_2011-Sep-15_to_2011-Sep-17_278.0_44.0