Category: Heat waves affecting Portugal

Download data: JSON

Event type: Heat wave

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

• Portugal
• Spain

Duration: 4 days

Time span: March 10 2025 to March 13 2025

Statistics over entire affected area:

• Mean temperature anomaly: 1.5 °C
• Mean temperature: 18.8 °C
• Maximum temperature anomaly: 2.2 °C
• Maximum temperature: 19.7 °C

Event center: 28.5°N 346.5°E

Area affected: 134142 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_2025-Mar-10_to_2025-Mar-13_346.5_28.5

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

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

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: October 02 2022 to October 09 2022

Statistics over entire affected area:

• Mean temperature anomaly: 4.0 °C
• Mean temperature: 22.4 °C
• Maximum temperature anomaly: 5.2 °C
• Maximum temperature: 24.8 °C

Event center: 39.5°N 352.5°E

Area affected: 72074 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-02_to_2022-Oct-09_352.5_39.5

Download data: JSON

Event type: Heat wave

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

• Portugal
• Spain

Duration: 10 days

Time span: May 05 2022 to May 14 2022

Statistics over entire affected area:

• Mean temperature anomaly: 5.7 °C
• Mean temperature: 20.9 °C
• Maximum temperature anomaly: 8.3 °C
• Maximum temperature: 25.9 °C

Event center: 39.0°N 352.0°E

Area affected: 214121 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-05_to_2022-May-14_352.0_39.0