Category: Extremes affecting Norway

Cold spell occuring from March 21 2023 to April 06 2023 at 64.0°N 22.5°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: 17 days

Time span: March 21 2023 to April 06 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -6.5 °C
  • Mean temperature: -8.1 °C
  • Minimum temperature anomaly: -14.8 °C
  • Minimum temperature: -21.4 °C

Event center: 64.0°N 22.5°E

Area affected: 1323395 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-21_to_2023-Apr-06_22.5_64.0

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

Heat wave occuring from February 26 2023 to March 03 2023 at 64.0°N 20.5°E

Download data: JSON

Event type: Heat wave

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

  • Finland
  • Norway
  • Sweden

Duration: 6 days

Time span: February 26 2023 to March 03 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 5.8 °C
  • Mean temperature: 3.7 °C
  • Maximum temperature anomaly: 11.5 °C
  • Maximum temperature: 8.0 °C

Event center: 64.0°N 20.5°E

Area affected: 463206 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-Feb-26_to_2023-Mar-03_20.5_64.0

Heat wave occuring from February 04 2023 to February 26 2023 at 69.5°N 90.5°E

Download data: JSON

Event type: Heat wave

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

  • Denmark
  • Finland
  • Norway
  • Russian Federation
  • Svalbard and Jan Mayen
  • Sweden
  • United Kingdom

Duration: 23 days

Time span: February 04 2023 to February 26 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 10.7 °C
  • Mean temperature: -3.8 °C
  • Maximum temperature anomaly: 22.3 °C
  • Maximum temperature: 9.5 °C

Event center: 69.5°N 90.5°E

Area affected: 7021915 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-Feb-04_to_2023-Feb-26_90.5_69.5

Heat wave occuring from January 21 2023 to January 25 2023 at 62.5°N 2.5°E

Download data: JSON

Event type: Heat wave

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

  • Norway
  • United Kingdom

Duration: 5 days

Time span: January 21 2023 to January 25 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 2.9 °C
  • Mean temperature: 9.3 °C
  • Maximum temperature anomaly: 7.2 °C
  • Maximum temperature: 11.5 °C

Event center: 58.5°N 356.5°E

Area affected: 593818 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-Jan-21_to_2023-Jan-25_2.5_62.5

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 November 14 2022 to November 24 2022 at 70.5°N 32.0°E

Download data: JSON

Event type: Heat wave

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

  • Norway
  • Russian Federation

Duration: 11 days

Time span: November 14 2022 to November 24 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 3.9 °C
  • Mean temperature: 4.6 °C
  • Maximum temperature anomaly: 6.4 °C
  • Maximum temperature: 8.0 °C

Event center: 70.5°N 32.0°E

Area affected: 198346 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-Nov-14_to_2022-Nov-24_32.0_70.5

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

Heat wave occuring from September 22 2022 to October 31 2022 at 80.5°N 23.5°E

Download data: JSON

Event type: Heat wave

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

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

Duration: 40 days

Time span: September 22 2022 to October 31 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 6.1 °C
  • Mean temperature: 1.7 °C
  • Maximum temperature anomaly: 16.4 °C
  • Maximum temperature: 12.3 °C

Event center: 80.5°N 23.5°E

Area affected: 9106512 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-Sep-22_to_2022-Oct-31_23.5_80.5

Cold spell occuring from August 04 2022 to August 07 2022 at 61.5°N 6.0°E

Download data: JSON

Event type: Cold spell

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

  • Norway

Duration: 4 days

Time span: August 04 2022 to August 07 2022

Statistics over entire affected area:

  • Mean temperature anomaly: -4.3 °C
  • Mean temperature: 8.1 °C
  • Minimum temperature anomaly: -6.2 °C
  • Minimum temperature: 4.0 °C

Event center: 61.5°N 6.0°E

Area affected: 72555 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-Aug-04_to_2022-Aug-07_6.0_61.5