Category: Extremes affecting Portugal

Cold spell occuring from October 02 2020 to October 06 2020 at 42.5°N 1.0°E

Download data: JSON

Event type: Cold spell

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

  • Andorra
  • France
  • Portugal
  • Spain

Duration: 5 days

Time span: October 02 2020 to October 06 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -4.7 °C
  • Mean temperature: 12.4 °C
  • Minimum temperature anomaly: -8.1 °C
  • Minimum temperature: 4.9 °C

Event center: 38.5°N 357.0°E

Area affected: 469321 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_2020-Oct-02_to_2020-Oct-06_1.0_42.5

Cold spell occuring from September 14 2020 to September 16 2020 at 39.5°N 328.5°E

Download data: JSON

Event type: Cold spell

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

  • Portugal

Duration: 3 days

Time span: September 14 2020 to September 16 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -2.1 °C
  • Mean temperature: 19.7 °C
  • Minimum temperature anomaly: -2.7 °C
  • Minimum temperature: 18.3 °C

Event center: 39.5°N 328.5°E

Area affected: 78582 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_2020-Sep-14_to_2020-Sep-16_328.5_39.5

Cold spell occuring from August 28 2020 to September 01 2020 at 40.5°N 356.5°E

Download data: JSON

Event type: Cold spell

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

  • Andorra
  • France
  • Portugal
  • Spain

Duration: 5 days

Time span: August 28 2020 to September 01 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -5.1 °C
  • Mean temperature: 15.2 °C
  • Minimum temperature anomaly: -8.4 °C
  • Minimum temperature: 8.0 °C

Event center: 40.5°N 356.5°E

Area affected: 353514 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_2020-Aug-28_to_2020-Sep-01_356.5_40.5

Heat wave occuring from August 15 2020 to August 23 2020 at 41.0°N 346.5°E

Download data: JSON

Event type: Heat wave

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

  • Portugal

Duration: 9 days

Time span: August 15 2020 to August 23 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 1.5 °C
  • Mean temperature: 22.4 °C
  • Maximum temperature anomaly: 2.5 °C
  • Maximum temperature: 24.8 °C

Event center: 41.0°N 346.5°E

Area affected: 1236544 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_2020-Aug-15_to_2020-Aug-23_346.5_41.0

Cold spell occuring from July 21 2020 to July 30 2020 at 34.0°N 333.0°E

Download data: JSON

Event type: Cold spell

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

  • Portugal

Duration: 10 days

Time span: July 21 2020 to July 30 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -1.4 °C
  • Mean temperature: 21.0 °C
  • Minimum temperature anomaly: -2.1 °C
  • Minimum temperature: 18.5 °C

Event center: 34.0°N 333.0°E

Area affected: 873246 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_2020-Jul-21_to_2020-Jul-30_333.0_34.0

Heat wave occuring from July 20 2020 to August 06 2020 at 36.0°N 357.0°E

Download data: JSON

Event type: Heat wave

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

  • Algeria
  • Austria
  • Bosnia and Herzegovina
  • Croatia
  • France
  • Italy
  • Libya
  • Morocco
  • Portugal
  • Slovenia
  • Spain
  • Switzerland
  • Tunisia

Duration: 18 days

Time span: July 20 2020 to August 06 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 2.9 °C
  • Mean temperature: 27.2 °C
  • Maximum temperature anomaly: 9.3 °C
  • Maximum temperature: 35.7 °C

Event center: 35.0°N 0.0°E

Area affected: 1904440 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_2020-Jul-20_to_2020-Aug-06_357.0_36.0

Heat wave occuring from July 15 2020 to July 23 2020 at 42.0°N 351.5°E

Download data: JSON

Event type: Heat wave

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

  • Portugal
  • Spain

Duration: 9 days

Time span: July 15 2020 to July 23 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 5.1 °C
  • Mean temperature: 28.5 °C
  • Maximum temperature anomaly: 8.6 °C
  • Maximum temperature: 33.2 °C

Event center: 42.0°N 351.5°E

Area affected: 78125 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_2020-Jul-15_to_2020-Jul-23_351.5_42.0

Heat wave occuring from July 14 2020 to July 20 2020 at 37.0°N 352.0°E

Download data: JSON

Event type: Heat wave

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

  • Portugal
  • Spain

Duration: 7 days

Time span: July 14 2020 to July 20 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 1.6 °C
  • Mean temperature: 23.0 °C
  • Maximum temperature anomaly: 4.0 °C
  • Maximum temperature: 29.9 °C

Event center: 37.0°N 352.0°E

Area affected: 178867 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_2020-Jul-14_to_2020-Jul-20_352.0_37.0

Heat wave occuring from July 05 2020 to July 08 2020 at 37.5°N 356.5°E

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: July 05 2020 to July 08 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 5.2 °C
  • Mean temperature: 28.6 °C
  • Maximum temperature anomaly: 7.3 °C
  • Maximum temperature: 33.6 °C

Event center: 37.5°N 356.5°E

Area affected: 155001 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_2020-Jul-05_to_2020-Jul-08_356.5_37.5

Cold spell occuring from June 13 2020 to June 15 2020 at 37.5°N 332.5°E

Download data: JSON

Event type: Cold spell

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

  • Portugal

Duration: 3 days

Time span: June 13 2020 to June 15 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -2.4 °C
  • Mean temperature: 16.7 °C
  • Minimum temperature anomaly: -3.7 °C
  • Minimum temperature: 15.3 °C

Event center: 37.5°N 332.5°E

Area affected: 56352 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_2020-Jun-13_to_2020-Jun-15_332.5_37.5