Category: Extremes affecting Iceland

Heat wave occuring from March 31 2023 to April 04 2023 at 66.0°N 342.5°E

Download data: JSON

Event type: Heat wave

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

  • Iceland

Duration: 5 days

Time span: March 31 2023 to April 04 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 3.7 °C
  • Mean temperature: 3.5 °C
  • Maximum temperature anomaly: 7.3 °C
  • Maximum temperature: 7.7 °C

Event center: 66.0°N 342.5°E

Area affected: 71927 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_2023-Mar-31_to_2023-Apr-04_342.5_66.0

Cold spell occuring from March 03 2023 to March 31 2023 at 70.5°N 344.5°E

Download data: JSON

Event type: Cold spell

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

  • Finland
  • Germany
  • Greenland
  • Iceland
  • Ireland
  • Netherlands
  • Norway
  • Russian Federation
  • Sweden
  • United Kingdom

Duration: 29 days

Time span: March 03 2023 to March 31 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -7.7 °C
  • Mean temperature: -22.5 °C
  • Minimum temperature anomaly: -16.5 °C
  • Minimum temperature: -40.4 °C

Event center: 61.0°N 7.0°E

Area affected: 6342730 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_2023-Mar-03_to_2023-Mar-31_344.5_70.5

Cold spell occuring from January 12 2023 to January 20 2023 at 64.0°N 339.0°E

Download data: JSON

Event type: Cold spell

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

  • Iceland
  • Ireland
  • United Kingdom

Duration: 9 days

Time span: January 12 2023 to January 20 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -4.0 °C
  • Mean temperature: 1.8 °C
  • Minimum temperature anomaly: -15.6 °C
  • Minimum temperature: -19.0 °C

Event center: 64.0°N 339.0°E

Area affected: 1202227 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_2023-Jan-12_to_2023-Jan-20_339.0_64.0

Cold spell occuring from December 14 2022 to January 09 2023 at 66.5°N 323.0°E

Download data: JSON

Event type: Cold spell

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

  • Greenland
  • Iceland

Duration: 27 days

Time span: December 14 2022 to January 09 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -8.1 °C
  • Mean temperature: -19.0 °C
  • Minimum temperature anomaly: -19.7 °C
  • Minimum temperature: -52.3 °C

Event center: 66.5°N 323.0°E

Area affected: 2643178 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_2022-Dec-14_to_2023-Jan-09_323.0_66.5

Cold spell occuring from December 04 2022 to December 19 2022 at 60.0°N 6.5°E

Download data: JSON

Event type: Cold spell

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

  • Belgium
  • Czechia
  • Denmark
  • Estonia
  • Finland
  • France
  • Germany
  • Iceland
  • Ireland
  • Latvia
  • Lithuania
  • Luxembourg
  • Netherlands
  • Norway
  • Poland
  • Russian Federation
  • Sweden
  • Switzerland
  • United Kingdom

Duration: 16 days

Time span: December 04 2022 to December 19 2022

Statistics over entire affected area:

  • Mean temperature anomaly: -7.6 °C
  • Mean temperature: -6.8 °C
  • Minimum temperature anomaly: -20.2 °C
  • Minimum temperature: -26.2 °C

Event center: 60.0°N 6.5°E

Area affected: 5139665 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_2022-Dec-04_to_2022-Dec-19_6.5_60.0

Heat wave occuring from October 11 2022 to December 21 2022 at 37.0°N 358.5°E

Download data: JSON

Event type: Heat wave

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

  • Afghanistan
  • Albania
  • Algeria
  • Andorra
  • Armenia
  • Austria
  • Azerbaijan
  • Bahamas
  • Bahrain
  • Belarus
  • Belgium
  • Belize
  • Bosnia and Herzegovina
  • Bulgaria
  • Cabo Verde
  • Canada
  • Croatia
  • Cuba
  • Czechia
  • Denmark
  • Dominican Republic
  • Egypt
  • Estonia
  • Finland
  • France
  • Georgia
  • Germany
  • Greece
  • Greenland
  • Guatemala
  • Guinea-Bissau
  • Haiti
  • Honduras
  • Iceland
  • Iran, Islamic Republic of
  • Iraq
  • Ireland
  • Italy
  • Jamaica
  • Kazakhstan
  • Kuwait
  • Latvia
  • Libya
  • Lithuania
  • Luxembourg
  • Mali
  • Mauritania
  • Mexico
  • Montenegro
  • Morocco
  • Netherlands
  • Nicaragua
  • North Macedonia
  • Norway
  • Oman
  • Pakistan
  • Poland
  • Portugal
  • Qatar
  • Romania
  • Russian Federation
  • Saudi Arabia
  • Serbia
  • Slovakia
  • Slovenia
  • Spain
  • Svalbard and Jan Mayen
  • Sweden
  • Switzerland
  • Syrian Arab Republic
  • Tunisia
  • Turkmenistan
  • Turks and Caicos Islands
  • Türkiye
  • Ukraine
  • United Arab Emirates
  • United Kingdom
  • United States
  • Uzbekistan
  • Yemen

Duration: 72 days

Time span: October 11 2022 to December 21 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 6.0 °C
  • Mean temperature: 9.6 °C
  • Maximum temperature anomaly: 25.8 °C
  • Maximum temperature: 30.8 °C

Event center: 37.5°N 0.0°E

Area affected: 51591959 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_2022-Oct-11_to_2022-Dec-21_358.5_37.0

Cold spell occuring from July 28 2022 to August 05 2022 at 64.5°N 339.5°E

Download data: JSON

Event type: Cold spell

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

  • Iceland

Duration: 9 days

Time span: July 28 2022 to August 05 2022

Statistics over entire affected area:

  • Mean temperature anomaly: -3.8 °C
  • Mean temperature: 6.0 °C
  • Minimum temperature anomaly: -7.1 °C
  • Minimum temperature: -2.2 °C

Event center: 64.5°N 339.5°E

Area affected: 108197 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_2022-Jul-28_to_2022-Aug-05_339.5_64.5

Cold spell occuring from June 21 2022 to June 27 2022 at 65.0°N 340.0°E

Download data: JSON

Event type: Cold spell

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

  • Iceland

Duration: 7 days

Time span: June 21 2022 to June 27 2022

Statistics over entire affected area:

  • Mean temperature anomaly: -4.5 °C
  • Mean temperature: 3.5 °C
  • Minimum temperature anomaly: -7.1 °C
  • Minimum temperature: -5.3 °C

Event center: 65.0°N 340.0°E

Area affected: 98590 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_2022-Jun-21_to_2022-Jun-27_340.0_65.0

Heat wave occuring from June 09 2022 to June 20 2022 at 62.5°N 345.5°E

Download data: JSON

Event type: Heat wave

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

  • Iceland

Duration: 12 days

Time span: June 09 2022 to June 20 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 1.9 °C
  • Mean temperature: 10.6 °C
  • Maximum temperature anomaly: 3.7 °C
  • Maximum temperature: 12.5 °C

Event center: 62.5°N 345.5°E

Area affected: 225501 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_2022-Jun-09_to_2022-Jun-20_345.5_62.5

Heat wave occuring from May 27 2022 to May 31 2022 at 64.0°N 341.0°E

Download data: JSON

Event type: Heat wave

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

  • Iceland

Duration: 5 days

Time span: May 27 2022 to May 31 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 3.0 °C
  • Mean temperature: 8.5 °C
  • Maximum temperature anomaly: 6.4 °C
  • Maximum temperature: 12.0 °C

Event center: 64.0°N 341.0°E

Area affected: 112719 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_2022-May-27_to_2022-May-31_341.0_64.0