Category: Extremes affecting Greenland

Cold spell occuring from November 07 2021 to November 19 2021 at 63.5°N 309.0°E

Download data: JSON

Event type: Cold spell

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

  • Greenland

Duration: 13 days

Time span: November 07 2021 to November 19 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -9.3 °C
  • Mean temperature: -29.3 °C
  • Minimum temperature anomaly: -17.5 °C
  • Minimum temperature: -50.1 °C

Event center: 63.5°N 309.0°E

Area affected: 1162820 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-Nov-07_to_2021-Nov-19_309.0_63.5

Heat wave occuring from November 05 2021 to November 09 2021 at 82.5°N 299.0°E

Download data: JSON

Event type: Heat wave

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

  • Canada
  • Greenland

Duration: 5 days

Time span: November 05 2021 to November 09 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 8.7 °C
  • Mean temperature: -15.7 °C
  • Maximum temperature anomaly: 17.7 °C
  • Maximum temperature: -8.0 °C

Event center: 82.5°N 299.0°E

Area affected: 58916 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_2021-Nov-05_to_2021-Nov-09_299.0_82.5

Heat wave occuring from October 30 2021 to November 06 2021 at 83.5°N 336.0°E

Download data: JSON

Event type: Heat wave

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

  • Greenland

Duration: 8 days

Time span: October 30 2021 to November 06 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 6.6 °C
  • Mean temperature: -14.1 °C
  • Maximum temperature anomaly: 10.6 °C
  • Maximum temperature: -12.2 °C

Event center: 83.5°N 336.0°E

Area affected: 106685 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_2021-Oct-30_to_2021-Nov-06_336.0_83.5

Cold spell occuring from October 04 2021 to December 16 2021 at 58.5°N 202.5°E

Download data: JSON

Event type: Cold spell

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

  • Canada
  • China
  • Greenland
  • Japan
  • Russian Federation
  • United States

Duration: 74 days

Time span: October 04 2021 to December 16 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -7.7 °C
  • Mean temperature: -20.2 °C
  • Minimum temperature anomaly: -26.2 °C
  • Minimum temperature: -49.4 °C

Event center: 58.5°N 202.5°E

Area affected: 18095107 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-Oct-04_to_2021-Dec-16_202.5_58.5

Cold spell occuring from September 26 2021 to September 29 2021 at 74.0°N 316.0°E

Download data: JSON

Event type: Cold spell

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

  • Greenland

Duration: 4 days

Time span: September 26 2021 to September 29 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -9.4 °C
  • Mean temperature: -32.3 °C
  • Minimum temperature anomaly: -12.8 °C
  • Minimum temperature: -37.9 °C

Event center: 74.0°N 316.0°E

Area affected: 76356 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-Sep-26_to_2021-Sep-29_316.0_74.0

Heat wave occuring from September 12 2021 to November 18 2021 at 57.5°N 278.5°E

Download data: JSON

Event type: Heat wave

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

  • Belize
  • Canada
  • Colombia
  • El Salvador
  • Greenland
  • Guatemala
  • Honduras
  • Mexico
  • Nicaragua
  • United States

Duration: 68 days

Time span: September 12 2021 to November 18 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 7.1 °C
  • Mean temperature: 2.7 °C
  • Maximum temperature anomaly: 20.3 °C
  • Maximum temperature: 32.0 °C

Event center: 57.5°N 278.5°E

Area affected: 24407429 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_2021-Sep-12_to_2021-Nov-18_278.5_57.5

Heat wave occuring from September 05 2021 to September 13 2021 at 84.0°N 326.0°E

Download data: JSON

Event type: Heat wave

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

  • Canada
  • Greenland

Duration: 9 days

Time span: September 05 2021 to September 13 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 4.2 °C
  • Mean temperature: -2.9 °C
  • Maximum temperature anomaly: 6.1 °C
  • Maximum temperature: -0.6 °C

Event center: 84.0°N 326.0°E

Area affected: 86459 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_2021-Sep-05_to_2021-Sep-13_326.0_84.0

Cold spell occuring from September 04 2021 to October 01 2021 at 71.5°N 305.5°E

Download data: JSON

Event type: Cold spell

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

  • Canada
  • Greenland

Duration: 28 days

Time span: September 04 2021 to October 01 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -6.3 °C
  • Mean temperature: -15.0 °C
  • Minimum temperature anomaly: -16.1 °C
  • Minimum temperature: -37.0 °C

Event center: 71.5°N 305.5°E

Area affected: 2139925 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-Sep-04_to_2021-Oct-01_305.5_71.5

Heat wave occuring from August 30 2021 to September 04 2021 at 83.0°N 313.5°E

Download data: JSON

Event type: Heat wave

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

  • Canada
  • Greenland

Duration: 6 days

Time span: August 30 2021 to September 04 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 4.2 °C
  • Mean temperature: -0.1 °C
  • Maximum temperature anomaly: 8.4 °C
  • Maximum temperature: 5.2 °C

Event center: 83.0°N 313.5°E

Area affected: 75164 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_2021-Aug-30_to_2021-Sep-04_313.5_83.0

Heat wave occuring from August 23 2021 to August 27 2021 at 80.5°N 298.0°E

Download data: JSON

Event type: Heat wave

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

  • Canada
  • Greenland

Duration: 5 days

Time span: August 23 2021 to August 27 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 4.3 °C
  • Mean temperature: 2.0 °C
  • Maximum temperature anomaly: 7.1 °C
  • Maximum temperature: 6.4 °C

Event center: 80.5°N 298.0°E

Area affected: 53370 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_2021-Aug-23_to_2021-Aug-27_298.0_80.5