Heat wave occuring from December 12 2023 to December 15 2023 at 45.0°N 17.5°E

Download data: JSON

Event type: Heat wave

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

  • Albania
  • Bosnia and Herzegovina
  • Croatia
  • Greece
  • Montenegro
  • North Macedonia
  • Romania
  • Serbia

Duration: 4 days

Time span: December 12 2023 to December 15 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 7.0 °C
  • Mean temperature: 8.3 °C
  • Maximum temperature anomaly: 12.1 °C
  • Maximum temperature: 14.3 °C

Event center: 45.0°N 17.5°E

Area affected: 152915 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-Dec-12_to_2023-Dec-15_17.5_45.0

Cold spell occuring from August 03 2023 to August 20 2023 at 58.0°N 17.0°E

Download data: JSON

Event type: Cold spell

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

  • Albania
  • Austria
  • Belgium
  • Bosnia and Herzegovina
  • Bulgaria
  • Croatia
  • Czechia
  • Denmark
  • Finland
  • France
  • Germany
  • Greece
  • Hungary
  • Italy
  • Latvia
  • Lithuania
  • Luxembourg
  • Montenegro
  • Netherlands
  • North Macedonia
  • Norway
  • Poland
  • Romania
  • Russian Federation
  • Serbia
  • Slovakia
  • Slovenia
  • Sweden
  • Switzerland
  • Ukraine
  • United Kingdom

Duration: 18 days

Time span: August 03 2023 to August 20 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -4.1 °C
  • Mean temperature: 15.9 °C
  • Minimum temperature anomaly: -9.0 °C
  • Minimum temperature: 1.6 °C

Event center: 58.0°N 17.0°E

Area affected: 2653339 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-Aug-03_to_2023-Aug-20_17.0_58.0

Cold spell occuring from May 07 2023 to May 16 2023 at 39.0°N 23.0°E

Download data: JSON

Event type: Cold spell

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

  • Bulgaria
  • Greece
  • Moldova, Republic of
  • North Macedonia
  • Poland
  • Romania
  • Russian Federation
  • Türkiye
  • Ukraine

Duration: 10 days

Time span: May 07 2023 to May 16 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -4.6 °C
  • Mean temperature: 11.1 °C
  • Minimum temperature anomaly: -9.0 °C
  • Minimum temperature: 2.2 °C

Event center: 39.0°N 23.0°E

Area affected: 1181591 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-May-07_to_2023-May-16_23.0_39.0

Cold spell occuring from April 26 2023 to April 30 2023 at 47.0°N 23.5°E

Download data: JSON

Event type: Cold spell

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

  • Belarus
  • Bulgaria
  • Croatia
  • Greece
  • Hungary
  • Lithuania
  • Moldova, Republic of
  • North Macedonia
  • Poland
  • Romania
  • Serbia
  • Slovakia
  • Ukraine

Duration: 5 days

Time span: April 26 2023 to April 30 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -5.3 °C
  • Mean temperature: 7.6 °C
  • Minimum temperature anomaly: -8.9 °C
  • Minimum temperature: -1.4 °C

Event center: 47.0°N 23.5°E

Area affected: 847534 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-Apr-26_to_2023-Apr-30_23.5_47.0

Cold spell occuring from April 03 2023 to April 10 2023 at 47.5°N 21.0°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
  • France
  • Germany
  • Greece
  • Hungary
  • Italy
  • Moldova, Republic of
  • Montenegro
  • Netherlands
  • North Macedonia
  • Poland
  • Romania
  • Serbia
  • Slovakia
  • Slovenia
  • Ukraine

Duration: 8 days

Time span: April 03 2023 to April 10 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -5.6 °C
  • Mean temperature: 3.9 °C
  • Minimum temperature anomaly: -10.9 °C
  • Minimum temperature: -6.6 °C

Event center: 47.5°N 21.0°E

Area affected: 1828697 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-Apr-03_to_2023-Apr-10_21.0_47.5

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

Cold spell occuring from September 17 2022 to September 26 2022 at 41.5°N 24.0°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
  • Moldova, Republic of
  • Montenegro
  • North Macedonia
  • Romania
  • Serbia
  • Slovakia
  • Slovenia
  • Türkiye
  • Ukraine

Duration: 10 days

Time span: September 17 2022 to September 26 2022

Statistics over entire affected area:

  • Mean temperature anomaly: -4.6 °C
  • Mean temperature: 11.4 °C
  • Minimum temperature anomaly: -8.2 °C
  • Minimum temperature: -2.7 °C

Event center: 41.5°N 24.0°E

Area affected: 1562208 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-Sep-17_to_2022-Sep-26_24.0_41.5

Heat wave occuring from May 12 2022 to May 17 2022 at 45.0°N 27.0°E

Download data: JSON

Event type: Heat wave

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

  • Bulgaria
  • Moldova, Republic of
  • Romania
  • Ukraine

Duration: 6 days

Time span: May 12 2022 to May 17 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 4.6 °C
  • Mean temperature: 20.7 °C
  • Maximum temperature anomaly: 6.9 °C
  • Maximum temperature: 24.1 °C

Event center: 45.0°N 27.0°E

Area affected: 69917 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-12_to_2022-May-17_27.0_45.0

Heat wave occuring from April 23 2022 to April 28 2022 at 42.0°N 26.5°E

Download data: JSON

Event type: Heat wave

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

  • Bulgaria
  • Greece
  • Romania
  • Türkiye

Duration: 6 days

Time span: April 23 2022 to April 28 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 4.0 °C
  • Mean temperature: 17.2 °C
  • Maximum temperature anomaly: 5.6 °C
  • Maximum temperature: 19.3 °C

Event center: 42.0°N 26.5°E

Area affected: 50584 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-Apr-23_to_2022-Apr-28_26.5_42.0

Cold spell occuring from April 17 2022 to April 21 2022 at 43.0°N 23.5°E

Download data: JSON

Event type: Cold spell

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

  • Belarus
  • Bulgaria
  • Greece
  • North Macedonia
  • Romania
  • Serbia
  • Türkiye
  • Ukraine

Duration: 5 days

Time span: April 17 2022 to April 21 2022

Statistics over entire affected area:

  • Mean temperature anomaly: -5.8 °C
  • Mean temperature: 4.7 °C
  • Minimum temperature anomaly: -9.3 °C
  • Minimum temperature: -3.5 °C

Event center: 43.0°N 23.5°E

Area affected: 619556 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-Apr-17_to_2022-Apr-21_23.5_43.0