Category: Extremes affecting Portugal

Cold spell occuring from August 22 2011 to September 05 2011 at 49.5°N 350.0°E

Download data: JSON

Event type: Cold spell

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

  • Algeria
  • France
  • Ireland
  • Morocco
  • Portugal
  • Spain
  • United Kingdom

Duration: 15 days

Time span: August 22 2011 to September 05 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -2.3 °C
  • Mean temperature: 16.5 °C
  • Minimum temperature anomaly: -7.8 °C
  • Minimum temperature: 9.8 °C

Event center: 49.5°N 350.0°E

Area affected: 2028060 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_2011-Aug-22_to_2011-Sep-05_350.0_49.5

Cold spell occuring from July 08 2011 to August 30 2011 at 28.0°N 329.0°E

Download data: JSON

Event type: Cold spell

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

  • Algeria
  • Andorra
  • Austria
  • Belgium
  • Bosnia and Herzegovina
  • Croatia
  • Czech Republic
  • Denmark
  • Faroe Islands
  • France
  • Germany
  • Hungary
  • Ireland
  • Italy
  • Madeira
  • Mali
  • Mauritania
  • Morocco
  • Netherlands
  • Poland
  • Portugal
  • Slovakia
  • Slovenia
  • Spain
  • Switzerland
  • United Kingdom

Duration: 54 days

Time span: July 08 2011 to August 30 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -2.3 °C
  • Mean temperature: 19.4 °C
  • Minimum temperature anomaly: -11.1 °C
  • Minimum temperature: 0.8 °C

Event center: 28.0°N 329.0°E

Area affected: 11460139 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_2011-Jul-08_to_2011-Aug-30_329.0_28.0

Heat wave occuring from June 25 2011 to June 28 2011 at 43.0°N 352.5°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: June 25 2011 to June 28 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 5.6 °C
  • Mean temperature: 26.0 °C
  • Maximum temperature anomaly: 9.1 °C
  • Maximum temperature: 31.9 °C

Event center: 43.0°N 352.5°E

Area affected: 171764 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_2011-Jun-25_to_2011-Jun-28_352.5_43.0

Heat wave occuring from May 08 2011 to June 08 2011 at 29.5°N 349.5°E

Download data: JSON

Event type: Heat wave

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

  • Austria
  • Canarias
  • Croatia
  • France
  • Italy
  • Mauritania
  • Morocco
  • Portugal
  • Slovenia
  • Spain
  • Switzerland

Duration: 32 days

Time span: May 08 2011 to June 08 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 2.4 °C
  • Mean temperature: 20.8 °C
  • Maximum temperature anomaly: 10.4 °C
  • Maximum temperature: 35.1 °C

Event center: 29.5°N 349.5°E

Area affected: 2237463 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_2011-May-08_to_2011-Jun-08_349.5_29.5

Heat wave occuring from April 14 2011 to May 16 2011 at 44.5°N 355.5°E

Download data: JSON

Event type: Heat wave

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

  • Andorra
  • Belgium
  • Denmark
  • Faroe Islands
  • France
  • Germany
  • Iceland
  • Ireland
  • Italy
  • Luxembourg
  • Netherlands
  • Norway
  • Portugal
  • Spain
  • Sweden
  • Switzerland
  • United Kingdom

Duration: 33 days

Time span: April 14 2011 to May 16 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 3.1 °C
  • Mean temperature: 11.8 °C
  • Maximum temperature anomaly: 10.1 °C
  • Maximum temperature: 22.6 °C

Event center: 44.5°N 355.5°E

Area affected: 4924681 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_2011-Apr-14_to_2011-May-16_355.5_44.5

Heat wave occuring from March 30 2011 to April 24 2011 at 42.5°N 1.5°E

Download data: JSON

Event type: Heat wave

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

  • Albania
  • Algeria
  • Andorra
  • Austria
  • Bosnia and Herzegovina
  • Burkina Faso
  • Canarias
  • Croatia
  • Czech Republic
  • Denmark
  • France
  • Germany
  • Hungary
  • Ireland
  • Italy
  • Luxembourg
  • Mali
  • Mauritania
  • Montenegro
  • Morocco
  • Niger
  • Poland
  • Portugal
  • Slovenia
  • Spain
  • Switzerland
  • Tunisia
  • United Kingdom

Duration: 26 days

Time span: March 30 2011 to April 24 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 3.8 °C
  • Mean temperature: 18.0 °C
  • Maximum temperature anomaly: 11.4 °C
  • Maximum temperature: 38.9 °C

Event center: 42.5°N 361.5°E

Area affected: 8959975 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_2011-Mar-30_to_2011-Apr-24_1.5_42.5

Heat wave occuring from February 22 2011 to February 27 2011 at 37.5°N 353.0°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: February 22 2011 to February 27 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 3.5 °C
  • Mean temperature: 14.5 °C
  • Maximum temperature anomaly: 6.5 °C
  • Maximum temperature: 17.1 °C

Event center: 37.5°N 353.0°E

Area affected: 123961 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_2011-Feb-22_to_2011-Feb-27_353.0_37.5

Cold spell occuring from January 19 2011 to February 05 2011 at 42.0°N 354.0°E

Download data: JSON

Event type: Cold spell

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

  • Albania
  • Algeria
  • Andorra
  • Austria
  • Belgium
  • Bosnia and Herzegovina
  • Czech Republic
  • France
  • Germany
  • Ireland
  • Italy
  • Montenegro
  • Morocco
  • Netherlands
  • North Macedonia
  • Poland
  • Portugal
  • Spain
  • Switzerland
  • United Kingdom

Duration: 18 days

Time span: January 19 2011 to February 05 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -4.0 °C
  • Mean temperature: 5.0 °C
  • Minimum temperature anomaly: -13.6 °C
  • Minimum temperature: -21.2 °C

Event center: 42.0°N 6.0°W

Area affected: 3822957 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_2011-Jan-19_to_2011-Feb-05_354.0_42.0

Cold spell occuring from October 26 2010 to January 01 2011 at 63.5°N 10.5°E

Download data: JSON

Event type: Cold spell

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

  • Albania
  • Algeria
  • Andorra
  • Austria
  • Azores
  • Belarus
  • Belgium
  • Bosnia and Herzegovina
  • Bulgaria
  • Canada
  • China
  • Croatia
  • Czech Republic
  • Denmark
  • Estonia
  • Faroe Islands
  • Finland
  • France
  • Germany
  • Greece
  • Greenland
  • Hungary
  • Iceland
  • Ireland
  • Italy
  • Japan
  • Kazakhstan
  • Latvia
  • Libya
  • Lithuania
  • Luxembourg
  • Mongolia
  • Montenegro
  • Netherlands
  • North Korea
  • North Macedonia
  • Norway
  • Poland
  • Portugal
  • Romania
  • Russian Federation
  • Serbia
  • Slovakia
  • Slovenia
  • South Korea
  • Spain
  • Sweden
  • Switzerland
  • Tunisia
  • Turkiye
  • Ukraine
  • United Kingdom

Duration: 68 days

Time span: October 26 2010 to January 01 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -9.2 °C
  • Mean temperature: -18.2 °C
  • Minimum temperature anomaly: -28.9 °C
  • Minimum temperature: -56.9 °C

Event center: 63.5°N 10.5°E

Area affected: 35809642 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_2010-Oct-26_to_2011-Jan-01_10.5_63.5

Heat wave occuring from September 12 2010 to September 16 2010 at 41.0°N 351.0°E

Download data: JSON

Event type: Heat wave

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

  • Portugal
  • Spain

Duration: 5 days

Time span: September 12 2010 to September 16 2010

Statistics over entire affected area:

  • Mean temperature anomaly: 4.1 °C
  • Mean temperature: 25.3 °C
  • Maximum temperature anomaly: 6.7 °C
  • Maximum temperature: 29.2 °C

Event center: 41.0°N 351.0°E

Area affected: 189318 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_2010-Sep-12_to_2010-Sep-16_351.0_41.0