Cold spell occuring from September 14 2021 to September 24 2021 at 57.5°N 24.0°E

Download data: JSON

Event type: Cold spell

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

  • Belarus
  • Bulgaria
  • Estonia
  • Finland
  • Hungary
  • Kazakhstan
  • Latvia
  • Lithuania
  • Moldova, Republic of
  • Poland
  • Romania
  • Russian Federation
  • Slovakia
  • Sweden
  • Ukraine

Duration: 11 days

Time span: September 14 2021 to September 24 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -5.2 °C
  • Mean temperature: 6.7 °C
  • Minimum temperature anomaly: -8.3 °C
  • Minimum temperature: -0.2 °C

Event center: 57.5°N 24.0°E

Area affected: 3297847 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-14_to_2021-Sep-24_24.0_57.5

Cold spell occuring from September 02 2021 to September 13 2021 at 43.0°N 46.0°E

Download data: JSON

Event type: Cold spell

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

  • Belarus
  • Estonia
  • Finland
  • Georgia
  • Kazakhstan
  • Latvia
  • Lithuania
  • Norway
  • Poland
  • Russian Federation
  • Sweden
  • Ukraine

Duration: 12 days

Time span: September 02 2021 to September 13 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -5.5 °C
  • Mean temperature: 7.8 °C
  • Minimum temperature anomaly: -9.3 °C
  • Minimum temperature: 1.5 °C

Event center: 43.0°N 46.0°E

Area affected: 3879634 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-02_to_2021-Sep-13_46.0_43.0

Cold spell occuring from August 18 2021 to August 27 2021 at 63.0°N 10.5°E

Download data: JSON

Event type: Cold spell

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

  • Estonia
  • Finland
  • Latvia
  • Lithuania
  • Norway
  • Poland
  • Russian Federation
  • Sweden

Duration: 10 days

Time span: August 18 2021 to August 27 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -4.2 °C
  • Mean temperature: 8.7 °C
  • Minimum temperature anomaly: -7.6 °C
  • Minimum temperature: 2.6 °C

Event center: 63.0°N 10.5°E

Area affected: 797482 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-Aug-18_to_2021-Aug-27_10.5_63.0

Cold spell occuring from July 18 2021 to August 04 2021 at 68.0°N 18.0°E

Download data: JSON

Event type: Cold spell

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

  • Finland
  • Norway
  • Russian Federation
  • Svalbard and Jan Mayen
  • Sweden

Duration: 18 days

Time span: July 18 2021 to August 04 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -4.0 °C
  • Mean temperature: 8.0 °C
  • Minimum temperature anomaly: -8.2 °C
  • Minimum temperature: 1.2 °C

Event center: 68.0°N 18.0°E

Area affected: 1139356 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-Jul-18_to_2021-Aug-04_18.0_68.0

Cold spell occuring from May 21 2021 to May 25 2021 at 68.5°N 24.0°E

Download data: JSON

Event type: Cold spell

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

  • Finland
  • Norway
  • Russian Federation
  • Sweden

Duration: 5 days

Time span: May 21 2021 to May 25 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -5.0 °C
  • Mean temperature: 2.1 °C
  • Minimum temperature anomaly: -7.9 °C
  • Minimum temperature: -1.4 °C

Event center: 68.5°N 24.0°E

Area affected: 114367 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-May-21_to_2021-May-25_24.0_68.5

Cold spell occuring from May 05 2021 to May 08 2021 at 64.5°N 27.5°E

Download data: JSON

Event type: Cold spell

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

  • Finland
  • Russian Federation

Duration: 4 days

Time span: May 05 2021 to May 08 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -5.2 °C
  • Mean temperature: 0.9 °C
  • Minimum temperature anomaly: -7.6 °C
  • Minimum temperature: -2.7 °C

Event center: 64.5°N 27.5°E

Area affected: 180202 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-May-05_to_2021-May-08_27.5_64.5

Cold spell occuring from April 28 2021 to May 02 2021 at 68.0°N 34.0°E

Download data: JSON

Event type: Cold spell

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

  • Finland
  • Norway
  • Russian Federation

Duration: 5 days

Time span: April 28 2021 to May 02 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -4.8 °C
  • Mean temperature: -3.5 °C
  • Minimum temperature anomaly: -6.6 °C
  • Minimum temperature: -6.0 °C

Event center: 68.0°N 34.0°E

Area affected: 55859 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-Apr-28_to_2021-May-02_34.0_68.0

Cold spell occuring from April 27 2021 to May 08 2021 at 69.0°N 19.5°E

Download data: JSON

Event type: Cold spell

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

  • Finland
  • Norway
  • Sweden

Duration: 12 days

Time span: April 27 2021 to May 08 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -4.3 °C
  • Mean temperature: -1.9 °C
  • Minimum temperature anomaly: -7.8 °C
  • Minimum temperature: -8.8 °C

Event center: 69.0°N 19.5°E

Area affected: 317481 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-Apr-27_to_2021-May-08_19.5_69.0

Cold spell occuring from April 25 2021 to May 22 2021 at 65.0°N 341.5°E

Download data: JSON

Event type: Cold spell

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

  • Austria
  • Belgium
  • Czechia
  • Denmark
  • Finland
  • France
  • Germany
  • Iceland
  • Ireland
  • Luxembourg
  • Netherlands
  • Norway
  • Sweden
  • United Kingdom

Duration: 28 days

Time span: April 25 2021 to May 22 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -2.9 °C
  • Mean temperature: 4.9 °C
  • Minimum temperature anomaly: -7.9 °C
  • Minimum temperature: -12.2 °C

Event center: 65.0°N 341.5°E

Area affected: 3013214 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-Apr-25_to_2021-May-22_341.5_65.0

Cold spell occuring from April 23 2021 to May 02 2021 at 62.5°N 22.0°E

Download data: JSON

Event type: Cold spell

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

  • Finland

Duration: 10 days

Time span: April 23 2021 to May 02 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -4.7 °C
  • Mean temperature: 1.4 °C
  • Minimum temperature anomaly: -6.4 °C
  • Minimum temperature: -1.7 °C

Event center: 62.5°N 22.0°E

Area affected: 61770 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-Apr-23_to_2021-May-02_22.0_62.5