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

Heat wave occuring from September 02 2021 to September 04 2021 at 59.0°N 64.0°E

Download data: JSON

Event type: Heat wave

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

  • Russian Federation

Duration: 3 days

Time span: September 02 2021 to September 04 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 6.6 °C
  • Mean temperature: 18.5 °C
  • Maximum temperature anomaly: 9.9 °C
  • Maximum temperature: 22.6 °C

Event center: 59.0°N 64.0°E

Area affected: 62288 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-02_to_2021-Sep-04_64.0_59.0

Heat wave occuring from September 02 2021 to September 18 2021 at 74.5°N 100.5°E

Download data: JSON

Event type: Heat wave

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

  • Russian Federation

Duration: 17 days

Time span: September 02 2021 to September 18 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 5.7 °C
  • Mean temperature: 8.7 °C
  • Maximum temperature anomaly: 10.8 °C
  • Maximum temperature: 19.0 °C

Event center: 74.5°N 100.5°E

Area affected: 4531472 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-02_to_2021-Sep-18_100.5_74.5

Heat wave occuring from August 31 2021 to September 04 2021 at 76.0°N 160.0°E

Download data: JSON

Event type: Heat wave

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

  • Russian Federation

Duration: 5 days

Time span: August 31 2021 to September 04 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 2.6 °C
  • Mean temperature: 2.0 °C
  • Maximum temperature anomaly: 4.0 °C
  • Maximum temperature: 4.4 °C

Event center: 76.0°N 160.0°E

Area affected: 93263 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-31_to_2021-Sep-04_160.0_76.0

Heat wave occuring from August 30 2021 to September 11 2021 at 57.0°N 125.0°E

Download data: JSON

Event type: Heat wave

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

  • Russian Federation

Duration: 13 days

Time span: August 30 2021 to September 11 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 5.3 °C
  • Mean temperature: 14.7 °C
  • Maximum temperature anomaly: 7.6 °C
  • Maximum temperature: 20.4 °C

Event center: 57.0°N 125.0°E

Area affected: 479690 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-11_125.0_57.0

Heat wave occuring from August 28 2021 to August 31 2021 at 50.5°N 38.5°E

Download data: JSON

Event type: Heat wave

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

  • Russian Federation
  • Ukraine

Duration: 4 days

Time span: August 28 2021 to August 31 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 5.2 °C
  • Mean temperature: 23.5 °C
  • Maximum temperature anomaly: 8.2 °C
  • Maximum temperature: 27.7 °C

Event center: 50.5°N 38.5°E

Area affected: 204349 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-28_to_2021-Aug-31_38.5_50.5

Heat wave occuring from August 28 2021 to September 01 2021 at 57.0°N 106.5°E

Download data: JSON

Event type: Heat wave

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

  • Russian Federation

Duration: 5 days

Time span: August 28 2021 to September 01 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 5.2 °C
  • Mean temperature: 17.2 °C
  • Maximum temperature anomaly: 6.7 °C
  • Maximum temperature: 19.2 °C

Event center: 57.0°N 106.5°E

Area affected: 101252 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-28_to_2021-Sep-01_106.5_57.0

Heat wave occuring from August 20 2021 to August 22 2021 at 67.5°N 148.5°E

Download data: JSON

Event type: Heat wave

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

  • Russian Federation

Duration: 3 days

Time span: August 20 2021 to August 22 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 7.9 °C
  • Mean temperature: 16.3 °C
  • Maximum temperature anomaly: 10.7 °C
  • Maximum temperature: 18.6 °C

Event center: 67.5°N 148.5°E

Area affected: 51236 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-20_to_2021-Aug-22_148.5_67.5

Cold spell occuring from August 20 2021 to August 29 2021 at 46.5°N 101.5°E

Download data: JSON

Event type: Cold spell

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

  • China
  • Mongolia
  • Russian Federation

Duration: 10 days

Time span: August 20 2021 to August 29 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -6.1 °C
  • Mean temperature: 11.8 °C
  • Minimum temperature anomaly: -11.2 °C
  • Minimum temperature: -1.1 °C

Event center: 46.5°N 101.5°E

Area affected: 1707794 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-20_to_2021-Aug-29_101.5_46.5

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