Category: Cold spells affecting Switzerland

Cold spell occuring from November 03 2021 to November 09 2021 at 46.5°N 11.0°E

Download data: JSON

Event type: Cold spell

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

  • Austria
  • France
  • Germany
  • Italy
  • Switzerland

Duration: 7 days

Time span: November 03 2021 to November 09 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -7.0 °C
  • Mean temperature: -5.2 °C
  • Minimum temperature anomaly: -12.8 °C
  • Minimum temperature: -15.8 °C

Event center: 46.5°N 11.0°E

Area affected: 70774 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-03_to_2021-Nov-09_11.0_46.5

Cold spell occuring from July 18 2021 to August 27 2021 at 37.0°N 351.0°E

Download data: JSON

Event type: Cold spell

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

  • Algeria
  • Andorra
  • Austria
  • Belgium
  • Czechia
  • France
  • Germany
  • Italy
  • Luxembourg
  • Mali
  • Mauritania
  • Morocco
  • Netherlands
  • Portugal
  • Spain
  • Switzerland

Duration: 41 days

Time span: July 18 2021 to August 27 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -2.9 °C
  • Mean temperature: 21.6 °C
  • Minimum temperature anomaly: -9.2 °C
  • Minimum temperature: 10.0 °C

Event center: 37.0°N 351.0°E

Area affected: 2492586 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-27_351.0_37.0

Cold spell occuring from April 30 2021 to May 03 2021 at 49.0°N 9.5°E

Download data: JSON

Event type: Cold spell

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

  • France
  • Germany
  • Switzerland

Duration: 4 days

Time span: April 30 2021 to May 03 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -5.0 °C
  • Mean temperature: 6.8 °C
  • Minimum temperature anomaly: -6.4 °C
  • Minimum temperature: 4.2 °C

Event center: 49.0°N 9.5°E

Area affected: 84172 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-30_to_2021-May-03_9.5_49.0

Cold spell occuring from April 04 2021 to April 21 2021 at 64.5°N 340.0°E

Download data: JSON

Event type: Cold spell

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

  • Albania
  • Algeria
  • Austria
  • Belgium
  • Bosnia and Herzegovina
  • Bulgaria
  • Croatia
  • Cyprus
  • Czechia
  • Egypt
  • France
  • Germany
  • Greece
  • Hungary
  • Iceland
  • Iraq
  • Ireland
  • Israel
  • Italy
  • Jordan
  • Lebanon
  • Libya
  • Luxembourg
  • Montenegro
  • Netherlands
  • North Macedonia
  • Poland
  • Romania
  • Saudi Arabia
  • Serbia
  • Slovakia
  • Slovenia
  • Sudan
  • Switzerland
  • Syrian Arab Republic
  • Tunisia
  • Türkiye
  • Ukraine
  • United Kingdom

Duration: 18 days

Time span: April 04 2021 to April 21 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -4.9 °C
  • Mean temperature: 6.6 °C
  • Minimum temperature anomaly: -11.6 °C
  • Minimum temperature: -14.4 °C

Event center: 40.5°N 16.5°E

Area affected: 7702208 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-04_to_2021-Apr-21_340.0_64.5

Cold spell occuring from March 15 2021 to April 06 2021 at 11.5°N 11.0°E

Download data: JSON

Event type: Cold spell

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

  • Albania
  • Algeria
  • Andorra
  • Austria
  • Benin
  • Bosnia and Herzegovina
  • Burkina Faso
  • Cameroon
  • Central African Republic
  • Chad
  • Croatia
  • Cyprus
  • Czechia
  • Egypt
  • France
  • Germany
  • Greece
  • Hungary
  • Italy
  • Libya
  • Mali
  • Mauritania
  • Morocco
  • Niger
  • Nigeria
  • North Macedonia
  • Poland
  • Serbia
  • Slovakia
  • Slovenia
  • South Sudan
  • Spain
  • Sudan
  • Switzerland
  • Tunisia
  • Türkiye

Duration: 23 days

Time span: March 15 2021 to April 06 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -4.9 °C
  • Mean temperature: 17.3 °C
  • Minimum temperature anomaly: -11.8 °C
  • Minimum temperature: -15.2 °C

Event center: 11.5°N 11.0°E

Area affected: 11794082 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-Mar-15_to_2021-Apr-06_11.0_11.5

Cold spell occuring from January 24 2021 to February 16 2021 at 60.5°N 6.5°E

Download data: JSON

Event type: Cold spell

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

  • Austria
  • Belarus
  • Belgium
  • Czechia
  • Denmark
  • France
  • Germany
  • Hungary
  • Ireland
  • Italy
  • Latvia
  • Lithuania
  • Luxembourg
  • Netherlands
  • Norway
  • Poland
  • Russian Federation
  • Slovakia
  • Slovenia
  • Sweden
  • Switzerland
  • United Kingdom

Duration: 24 days

Time span: January 24 2021 to February 16 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -7.7 °C
  • Mean temperature: -7.2 °C
  • Minimum temperature anomaly: -20.1 °C
  • Minimum temperature: -25.8 °C

Event center: 60.5°N 6.5°E

Area affected: 3545656 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-Jan-24_to_2021-Feb-16_6.5_60.5

Cold spell occuring from December 29 2020 to January 19 2021 at 40.0°N 357.0°E

Download data: JSON

Event type: Cold spell

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

  • Algeria
  • Andorra
  • Austria
  • France
  • Germany
  • Ireland
  • Italy
  • Morocco
  • Portugal
  • Spain
  • Switzerland
  • Tunisia
  • United Kingdom

Duration: 22 days

Time span: December 29 2020 to January 19 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -3.2 °C
  • Mean temperature: 9.4 °C
  • Minimum temperature anomaly: -13.3 °C
  • Minimum temperature: -11.2 °C

Event center: 40.0°N 357.0°E

Area affected: 5431998 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_2020-Dec-29_to_2021-Jan-19_357.0_40.0

Cold spell occuring from October 11 2020 to October 19 2020 at 42.0°N 3.0°E

Download data: JSON

Event type: Cold spell

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

  • Andorra
  • France
  • Italy
  • Morocco
  • Portugal
  • Spain
  • Switzerland

Duration: 9 days

Time span: October 11 2020 to October 19 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -3.6 °C
  • Mean temperature: 12.5 °C
  • Minimum temperature anomaly: -7.6 °C
  • Minimum temperature: 2.5 °C

Event center: 30.5°N 349.0°E

Area affected: 1138920 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_2020-Oct-11_to_2020-Oct-19_3.0_42.0

Cold spell occuring from September 14 2020 to October 01 2020 at 77.5°N 316.0°E

Download data: JSON

Event type: Cold spell

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

  • Andorra
  • Austria
  • Canada
  • Croatia
  • France
  • Germany
  • Greenland
  • Iceland
  • Ireland
  • Italy
  • Luxembourg
  • Slovenia
  • Spain
  • Switzerland
  • United Kingdom

Duration: 18 days

Time span: September 14 2020 to October 01 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -6.8 °C
  • Mean temperature: -14.1 °C
  • Minimum temperature anomaly: -15.9 °C
  • Minimum temperature: -41.4 °C

Event center: 77.5°N 316.0°E

Area affected: 4939781 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_2020-Sep-14_to_2020-Oct-01_316.0_77.5

Cold spell occuring from March 30 2020 to April 04 2020 at 42.5°N 17.0°E

Download data: JSON

Event type: Cold spell

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

  • Albania
  • Austria
  • Bosnia and Herzegovina
  • Bulgaria
  • Croatia
  • Czechia
  • Germany
  • Greece
  • Hungary
  • Italy
  • Montenegro
  • North Macedonia
  • Poland
  • Romania
  • Serbia
  • Slovakia
  • Slovenia
  • Switzerland
  • Ukraine

Duration: 6 days

Time span: March 30 2020 to April 04 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -5.5 °C
  • Mean temperature: 4.4 °C
  • Minimum temperature anomaly: -11.2 °C
  • Minimum temperature: -6.8 °C

Event center: 42.5°N 17.0°E

Area affected: 1385616 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_2020-Mar-30_to_2020-Apr-04_17.0_42.5