Category: Extremes affecting Greenland

Cold spell occuring from April 13 2025 to April 18 2025 at 65.0°N 319.5°E

Download data: JSON

Event type: Cold spell

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

  • Greenland

Duration: 6 days

Time span: April 13 2025 to April 18 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -5.7 °C
  • Mean temperature: -11.3 °C
  • Minimum temperature anomaly: -9.2 °C
  • Minimum temperature: -30.0 °C

Event center: 65.0°N 319.5°E

Area affected: 70416 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_2025-Apr-13_to_2025-Apr-18_319.5_65.0

Heat wave occuring from April 11 2025 to May 03 2025 at 60.0°N 296.0°E

Download data: JSON

Event type: Heat wave

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

  • Canada
  • Greenland

Duration: 23 days

Time span: April 11 2025 to May 03 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 7.6 °C
  • Mean temperature: -4.9 °C
  • Maximum temperature anomaly: 13.7 °C
  • Maximum temperature: 7.2 °C

Event center: 60.0°N 296.0°E

Area affected: 2526416 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_2025-Apr-11_to_2025-May-03_296.0_60.0

Heat wave occuring from April 10 2025 to April 16 2025 at 76.5°N 283.5°E

Download data: JSON

Event type: Heat wave

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

  • Canada
  • Greenland

Duration: 7 days

Time span: April 10 2025 to April 16 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 6.3 °C
  • Mean temperature: -9.1 °C
  • Maximum temperature anomaly: 8.4 °C
  • Maximum temperature: -6.7 °C

Event center: 76.5°N 283.5°E

Area affected: 71531 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_2025-Apr-10_to_2025-Apr-16_283.5_76.5

Cold spell occuring from April 06 2025 to April 17 2025 at 74.5°N 351.0°E

Download data: JSON

Event type: Cold spell

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

  • Greenland
  • Norway
  • Svalbard and Jan Mayen

Duration: 12 days

Time span: April 06 2025 to April 17 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -5.7 °C
  • Mean temperature: -8.6 °C
  • Minimum temperature anomaly: -11.5 °C
  • Minimum temperature: -27.2 °C

Event center: 75.5°N 0.0°E

Area affected: 1031928 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_2025-Apr-06_to_2025-Apr-17_351.0_74.5

Cold spell occuring from March 26 2025 to April 02 2025 at 71.5°N 331.5°E

Download data: JSON

Event type: Cold spell

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

  • Greenland

Duration: 8 days

Time span: March 26 2025 to April 02 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -7.0 °C
  • Mean temperature: -30.2 °C
  • Minimum temperature anomaly: -10.6 °C
  • Minimum temperature: -39.4 °C

Event center: 71.5°N 331.5°E

Area affected: 77518 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_2025-Mar-26_to_2025-Apr-02_331.5_71.5

Cold spell occuring from March 26 2025 to April 04 2025 at 79.0°N 322.5°E

Download data: JSON

Event type: Cold spell

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

  • Greenland

Duration: 10 days

Time span: March 26 2025 to April 04 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -7.7 °C
  • Mean temperature: -35.9 °C
  • Minimum temperature anomaly: -11.2 °C
  • Minimum temperature: -47.0 °C

Event center: 79.0°N 322.5°E

Area affected: 170141 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_2025-Mar-26_to_2025-Apr-04_322.5_79.0

Cold spell occuring from February 02 2025 to February 10 2025 at 62.5°N 318.5°E

Download data: JSON

Event type: Cold spell

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

  • Greenland

Duration: 9 days

Time span: February 02 2025 to February 10 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -11.1 °C
  • Mean temperature: -30.5 °C
  • Minimum temperature anomaly: -16.7 °C
  • Minimum temperature: -46.3 °C

Event center: 62.5°N 318.5°E

Area affected: 456028 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_2025-Feb-02_to_2025-Feb-10_318.5_62.5

Cold spell occuring from January 08 2025 to January 21 2025 at 73.5°N 333.5°E

Download data: JSON

Event type: Cold spell

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

  • Canada
  • Greenland

Duration: 14 days

Time span: January 08 2025 to January 21 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -9.6 °C
  • Mean temperature: -41.2 °C
  • Minimum temperature anomaly: -15.9 °C
  • Minimum temperature: -53.2 °C

Event center: 73.5°N 333.5°E

Area affected: 1328047 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_2025-Jan-08_to_2025-Jan-21_333.5_73.5

Heat wave occuring from January 02 2025 to January 08 2025 at 72.0°N 305.5°E

Download data: JSON

Event type: Heat wave

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

  • Greenland

Duration: 7 days

Time span: January 02 2025 to January 08 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 10.6 °C
  • Mean temperature: -18.6 °C
  • Maximum temperature anomaly: 17.1 °C
  • Maximum temperature: -2.3 °C

Event center: 72.0°N 305.5°E

Area affected: 113917 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_2025-Jan-02_to_2025-Jan-08_305.5_72.0

Heat wave occuring from December 21 2024 to December 27 2024 at 77.0°N 342.0°E

Download data: JSON

Event type: Heat wave

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

  • Greenland

Duration: 7 days

Time span: December 21 2024 to December 27 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 11.3 °C
  • Mean temperature: -5.8 °C
  • Maximum temperature anomaly: 16.7 °C
  • Maximum temperature: 1.2 °C

Event center: 77.0°N 342.0°E

Area affected: 416032 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_2024-Dec-21_to_2024-Dec-27_342.0_77.0