Heat wave occuring from September 04 2011 to September 08 2011 at 13.0°N 357.0°E

Download data: JSON

Event type: Heat wave

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

  • Burkina Faso
  • Côte d’Ivoire
  • Ghana
  • Mali

Duration: 5 days

Time span: September 04 2011 to September 08 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 1.7 °C
  • Mean temperature: 27.6 °C
  • Maximum temperature anomaly: 3.3 °C
  • Maximum temperature: 30.8 °C

Event center: 13.0°N 357.0°E

Area affected: 172980 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-Sep-04_to_2011-Sep-08_357.0_13.0

Heat wave occuring from September 01 2011 to September 15 2011 at 15.5°N 351.0°E

Download data: JSON

Event type: Heat wave

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

  • Burkina Faso
  • Gambia
  • Guinea
  • Guinea-Bissau
  • Mali
  • Mauritania
  • Senegal

Duration: 15 days

Time span: September 01 2011 to September 15 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 2.7 °C
  • Mean temperature: 31.7 °C
  • Maximum temperature anomaly: 4.8 °C
  • Maximum temperature: 36.4 °C

Event center: 15.5°N 351.0°E

Area affected: 522049 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-Sep-01_to_2011-Sep-15_351.0_15.5

Heat wave occuring from August 09 2011 to August 12 2011 at 12.5°N 2.5°E

Download data: JSON

Event type: Heat wave

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

  • Benin
  • Burkina Faso
  • Niger
  • Nigeria

Duration: 4 days

Time span: August 09 2011 to August 12 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 2.2 °C
  • Mean temperature: 29.3 °C
  • Maximum temperature anomaly: 3.1 °C
  • Maximum temperature: 30.6 °C

Event center: 12.5°N 2.5°E

Area affected: 81383 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-Aug-09_to_2011-Aug-12_2.5_12.5

Heat wave occuring from July 20 2011 to July 25 2011 at 15.0°N 349.0°E

Download data: JSON

Event type: Heat wave

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

  • Burkina Faso
  • Côte d’Ivoire
  • Gambia
  • Guinea
  • Guinea-Bissau
  • Mali
  • Mauritania
  • Senegal

Duration: 6 days

Time span: July 20 2011 to July 25 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 3.0 °C
  • Mean temperature: 31.7 °C
  • Maximum temperature anomaly: 7.1 °C
  • Maximum temperature: 38.4 °C

Event center: 15.0°N 349.0°E

Area affected: 904208 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-Jul-20_to_2011-Jul-25_349.0_15.0

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 March 01 2011 to March 20 2011 at 21.0°N 6.0°E

Download data: JSON

Event type: Heat wave

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

  • Albania
  • Algeria
  • Burkina Faso
  • Cameroon
  • Chad
  • Ghana
  • Greece
  • Guinea
  • Italy
  • Libya
  • Mali
  • Mauritania
  • Niger
  • Nigeria
  • North Macedonia

Duration: 20 days

Time span: March 01 2011 to March 20 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 5.3 °C
  • Mean temperature: 28.6 °C
  • Maximum temperature anomaly: 12.5 °C
  • Maximum temperature: 35.7 °C

Event center: 21.0°N 6.0°E

Area affected: 5064525 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-01_to_2011-Mar-20_6.0_21.0

Heat wave occuring from February 17 2011 to February 23 2011 at 14.0°N 4.0°E

Download data: JSON

Event type: Heat wave

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

  • Benin
  • Burkina Faso
  • Côte d’Ivoire
  • Ghana
  • Mali
  • Niger
  • Togo

Duration: 7 days

Time span: February 17 2011 to February 23 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 3.5 °C
  • Mean temperature: 32.0 °C
  • Maximum temperature anomaly: 5.4 °C
  • Maximum temperature: 35.3 °C

Event center: 14.0°N 4.0°E

Area affected: 379568 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-17_to_2011-Feb-23_4.0_14.0

Cold spell occuring from February 01 2011 to February 13 2011 at 25.5°N 351.0°E

Download data: JSON

Event type: Cold spell

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

  • Algeria
  • Burkina Faso
  • Mali
  • Mauritania
  • Morocco

Duration: 13 days

Time span: February 01 2011 to February 13 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -4.8 °C
  • Mean temperature: 13.8 °C
  • Minimum temperature anomaly: -7.7 °C
  • Minimum temperature: 6.1 °C

Event center: 25.5°N 351.0°E

Area affected: 2213910 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-Feb-01_to_2011-Feb-13_351.0_25.5

Heat wave occuring from January 20 2011 to February 09 2011 at 22.5°N 359.0°E

Download data: JSON

Event type: Heat wave

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

  • Algeria
  • Benin
  • Burkina Faso
  • Cameroon
  • Chad
  • Côte d’Ivoire
  • Egypt
  • Eritrea
  • Ethiopia
  • Ghana
  • Guinea
  • Libya
  • Mali
  • Mauritania
  • Niger
  • Nigeria
  • Saudi Arabia
  • Senegal
  • Sierra Leone
  • Sudan
  • Togo
  • Tunisia

Duration: 21 days

Time span: January 20 2011 to February 09 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 5.6 °C
  • Mean temperature: 23.2 °C
  • Maximum temperature anomaly: 11.7 °C
  • Maximum temperature: 32.9 °C

Event center: 22.5°N 1.0°W

Area affected: 9975057 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-Jan-20_to_2011-Feb-09_359.0_22.5

Cold spell occuring from January 10 2011 to January 23 2011 at 5.0°N 19.0°E

Download data: JSON

Event type: Cold spell

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

  • Benin
  • Burkina Faso
  • Cameroon
  • Central African Republic
  • Chad
  • Congo
  • Congo DRC
  • Côte d’Ivoire
  • Eritrea
  • Ethiopia
  • Ghana
  • Niger
  • Nigeria
  • South Sudan
  • Sudan
  • Togo

Duration: 14 days

Time span: January 10 2011 to January 23 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -3.5 °C
  • Mean temperature: 21.7 °C
  • Minimum temperature anomaly: -6.2 °C
  • Minimum temperature: 9.6 °C

Event center: 5.0°N 19.0°E

Area affected: 4662004 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-10_to_2011-Jan-23_19.0_5.0