Category: Extremes affecting Portugal

Cold spell occuring from December 09 2024 to December 13 2024 at 37.5°N 353.0°E

Download data: JSON

Event type: Cold spell

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

  • Morocco
  • Portugal
  • Spain

Duration: 5 days

Time span: December 09 2024 to December 13 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -2.9 °C
  • Mean temperature: 10.3 °C
  • Minimum temperature anomaly: -6.0 °C
  • Minimum temperature: 2.0 °C

Event center: 37.5°N 353.0°E

Area affected: 255047 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_2024-Dec-09_to_2024-Dec-13_353.0_37.5

Cold spell occuring from October 26 2024 to November 02 2024 at 32.0°N 354.5°E

Download data: JSON

Event type: Cold spell

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

  • Algeria
  • Mauritania
  • Morocco
  • Portugal
  • Spain

Duration: 8 days

Time span: October 26 2024 to November 02 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -4.4 °C
  • Mean temperature: 15.8 °C
  • Minimum temperature anomaly: -9.4 °C
  • Minimum temperature: -0.1 °C

Event center: 32.0°N 354.5°E

Area affected: 694137 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_2024-Oct-26_to_2024-Nov-02_354.5_32.0

Heat wave occuring from October 11 2024 to October 16 2024 at 44.0°N 350.5°E

Download data: JSON

Event type: Heat wave

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

  • Portugal
  • Spain

Duration: 6 days

Time span: October 11 2024 to October 16 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 1.9 °C
  • Mean temperature: 19.4 °C
  • Maximum temperature anomaly: 4.5 °C
  • Maximum temperature: 21.5 °C

Event center: 44.0°N 350.5°E

Area affected: 379687 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_2024-Oct-11_to_2024-Oct-16_350.5_44.0

Cold spell occuring from August 20 2024 to October 04 2024 at 32.5°N 350.5°E

Download data: JSON

Event type: Cold spell

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

  • Gambia
  • Guinea
  • Mali
  • Mauritania
  • Morocco
  • Portugal
  • Senegal
  • Spain

Duration: 46 days

Time span: August 20 2024 to October 04 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -2.6 °C
  • Mean temperature: 22.9 °C
  • Minimum temperature anomaly: -9.2 °C
  • Minimum temperature: 7.3 °C

Event center: 32.5°N 350.5°E

Area affected: 1762984 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_2024-Aug-20_to_2024-Oct-04_350.5_32.5

Cold spell occuring from July 02 2024 to July 14 2024 at 42.5°N 350.5°E

Download data: JSON

Event type: Cold spell

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

  • Portugal

Duration: 13 days

Time span: July 02 2024 to July 14 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -1.1 °C
  • Mean temperature: 18.0 °C
  • Minimum temperature anomaly: -2.7 °C
  • Minimum temperature: 15.0 °C

Event center: 42.5°N 350.5°E

Area affected: 291803 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_2024-Jul-02_to_2024-Jul-14_350.5_42.5

Cold spell occuring from June 24 2024 to June 30 2024 at 39.0°N 350.5°E

Download data: JSON

Event type: Cold spell

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

  • Portugal
  • Spain

Duration: 7 days

Time span: June 24 2024 to June 30 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -4.1 °C
  • Mean temperature: 19.5 °C
  • Minimum temperature anomaly: -7.3 °C
  • Minimum temperature: 16.0 °C

Event center: 39.0°N 350.5°E

Area affected: 114334 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_2024-Jun-24_to_2024-Jun-30_350.5_39.0

Cold spell occuring from June 18 2024 to June 20 2024 at 38.0°N 354.0°E

Download data: JSON

Event type: Cold spell

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

  • Portugal
  • Spain

Duration: 3 days

Time span: June 18 2024 to June 20 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -5.9 °C
  • Mean temperature: 17.1 °C
  • Minimum temperature anomaly: -8.9 °C
  • Minimum temperature: 11.7 °C

Event center: 38.0°N 354.0°E

Area affected: 124544 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_2024-Jun-18_to_2024-Jun-20_354.0_38.0

Heat wave occuring from May 25 2024 to June 01 2024 at 37.5°N 357.0°E

Download data: JSON

Event type: Heat wave

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

  • Portugal
  • Spain

Duration: 8 days

Time span: May 25 2024 to June 01 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 5.5 °C
  • Mean temperature: 25.9 °C
  • Maximum temperature anomaly: 7.4 °C
  • Maximum temperature: 29.5 °C

Event center: 37.5°N 357.0°E

Area affected: 140127 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_2024-May-25_to_2024-Jun-01_357.0_37.5

Cold spell occuring from March 24 2024 to April 01 2024 at 45.0°N 339.5°E

Download data: JSON

Event type: Cold spell

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

  • Portugal
  • Spain

Duration: 9 days

Time span: March 24 2024 to April 01 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -3.0 °C
  • Mean temperature: 9.3 °C
  • Minimum temperature anomaly: -5.8 °C
  • Minimum temperature: 1.9 °C

Event center: 45.0°N 339.5°E

Area affected: 2412621 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_2024-Mar-24_to_2024-Apr-01_339.5_45.0

Cold spell occuring from February 27 2023 to March 05 2023 at 39.5°N 357.5°E

Download data: JSON

Event type: Cold spell

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

  • France
  • Portugal
  • Spain

Duration: 7 days

Time span: February 27 2023 to March 05 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -5.4 °C
  • Mean temperature: 3.1 °C
  • Minimum temperature anomaly: -9.6 °C
  • Minimum temperature: -6.3 °C

Event center: 39.5°N 357.5°E

Area affected: 537314 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-Feb-27_to_2023-Mar-05_357.5_39.5