Heat wave occuring from October 30 2012 to November 03 2012 at 5.0°N 6.0°E

Download data: JSON

Event type: Heat wave

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

  • Cameroon
  • Nigeria

Duration: 5 days

Time span: October 30 2012 to November 03 2012

Statistics over entire affected area:

  • Mean temperature anomaly: 1.2 °C
  • Mean temperature: 27.1 °C
  • Maximum temperature anomaly: 1.6 °C
  • Maximum temperature: 28.3 °C

Event center: 5.0°N 6.0°E

Area affected: 83037 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_2012-Oct-30_to_2012-Nov-03_6.0_5.0

Heat wave occuring from November 19 2012 to November 25 2012 at 9.0°N 3.5°E

Download data: JSON

Event type: Heat wave

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

  • Benin
  • Nigeria

Duration: 7 days

Time span: November 19 2012 to November 25 2012

Statistics over entire affected area:

  • Mean temperature anomaly: 1.5 °C
  • Mean temperature: 28.9 °C
  • Maximum temperature anomaly: 2.6 °C
  • Maximum temperature: 31.7 °C

Event center: 9.0°N 3.5°E

Area affected: 79292 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_2012-Nov-19_to_2012-Nov-25_3.5_9.0

Heat wave occuring from November 18 2012 to November 25 2012 at 14.0°N 0.5°E

Download data: JSON

Event type: Heat wave

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

  • Benin
  • Burkina Faso
  • Mali
  • Niger
  • Nigeria

Duration: 8 days

Time span: November 18 2012 to November 25 2012

Statistics over entire affected area:

  • Mean temperature anomaly: 2.7 °C
  • Mean temperature: 29.4 °C
  • Maximum temperature anomaly: 4.4 °C
  • Maximum temperature: 31.8 °C

Event center: 14.0°N 0.5°E

Area affected: 268765 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_2012-Nov-18_to_2012-Nov-25_0.5_14.0

Heat wave occuring from October 21 2012 to December 16 2012 at 10.0°N 359.0°E

Download data: JSON

Event type: Heat wave

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

  • Afghanistan
  • Algeria
  • Armenia
  • Austria
  • Azerbaijan
  • Belarus
  • Benin
  • Bosnia and Herzegovina
  • Bulgaria
  • Burkina Faso
  • Cabo Verde
  • Canarias
  • Chad
  • Croatia
  • Cyprus
  • Czech Republic
  • Côte d’Ivoire
  • Egypt
  • France
  • Gambia
  • Georgia
  • Ghana
  • Greece
  • Guinea
  • Hungary
  • Iran
  • Iraq
  • Israel
  • Italy
  • Jordan
  • Kazakhstan
  • Kuwait
  • Kyrgyzstan
  • Lebanon
  • Libya
  • Lithuania
  • Madeira
  • Mali
  • Mauritania
  • Moldova
  • Morocco
  • Niger
  • Nigeria
  • North Macedonia
  • Oman
  • Pakistan
  • Palestinian Territory
  • Poland
  • Romania
  • Russian Federation
  • Saudi Arabia
  • Senegal
  • Serbia
  • Slovakia
  • Slovenia
  • Sudan
  • Syria
  • Tajikistan
  • Togo
  • Tunisia
  • Turkiye
  • Turkmenistan
  • Ukraine
  • United Arab Emirates
  • Uzbekistan

Duration: 57 days

Time span: October 21 2012 to December 16 2012

Statistics over entire affected area:

  • Mean temperature anomaly: 4.9 °C
  • Mean temperature: 20.6 °C
  • Maximum temperature anomaly: 16.2 °C
  • Maximum temperature: 35.0 °C

Event center: 10.0°N 1.0°W

Area affected: 25846692 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_2012-Oct-21_to_2012-Dec-16_359.0_10.0

Cold spell occuring from November 04 2012 to November 09 2012 at 8.5°N 20.5°E

Download data: JSON

Event type: Cold spell

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

  • Cameroon
  • Central African Republic
  • Chad
  • Nigeria

Duration: 6 days

Time span: November 04 2012 to November 09 2012

Statistics over entire affected area:

  • Mean temperature anomaly: -1.7 °C
  • Mean temperature: 23.4 °C
  • Minimum temperature anomaly: -3.3 °C
  • Minimum temperature: 19.3 °C

Event center: 8.5°N 20.5°E

Area affected: 183905 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_2012-Nov-04_to_2012-Nov-09_20.5_8.5

Cold spell occuring from September 17 2012 to September 19 2012 at 12.5°N 12.5°E

Download data: JSON

Event type: Cold spell

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

  • Cameroon
  • Niger
  • Nigeria

Duration: 3 days

Time span: September 17 2012 to September 19 2012

Statistics over entire affected area:

  • Mean temperature anomaly: -2.1 °C
  • Mean temperature: 25.8 °C
  • Minimum temperature anomaly: -3.7 °C
  • Minimum temperature: 21.5 °C

Event center: 12.5°N 12.5°E

Area affected: 123850 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_2012-Sep-17_to_2012-Sep-19_12.5_12.5

Heat wave occuring from August 28 2012 to September 01 2012 at 4.5°N 6.0°E

Download data: JSON

Event type: Heat wave

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

  • Nigeria

Duration: 5 days

Time span: August 28 2012 to September 01 2012

Statistics over entire affected area:

  • Mean temperature anomaly: 0.6 °C
  • Mean temperature: 25.7 °C
  • Maximum temperature anomaly: 1.2 °C
  • Maximum temperature: 26.3 °C

Event center: 4.5°N 6.0°E

Area affected: 52426 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_2012-Aug-28_to_2012-Sep-01_6.0_4.5

Heat wave occuring from August 01 2012 to August 09 2012 at 3.5°N 5.0°E

Download data: JSON

Event type: Heat wave

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

  • Nigeria

Duration: 9 days

Time span: August 01 2012 to August 09 2012

Statistics over entire affected area:

  • Mean temperature anomaly: 0.7 °C
  • Mean temperature: 25.4 °C
  • Maximum temperature anomaly: 1.4 °C
  • Maximum temperature: 26.1 °C

Event center: 3.5°N 5.0°E

Area affected: 305478 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_2012-Aug-01_to_2012-Aug-09_5.0_3.5

Cold spell occuring from June 25 2012 to July 07 2012 at 16.0°N 8.0°E

Download data: JSON

Event type: Cold spell

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

  • Burkina Faso
  • Cameroon
  • Chad
  • Mali
  • Niger
  • Nigeria

Duration: 13 days

Time span: June 25 2012 to July 07 2012

Statistics over entire affected area:

  • Mean temperature anomaly: -2.8 °C
  • Mean temperature: 27.4 °C
  • Minimum temperature anomaly: -6.1 °C
  • Minimum temperature: 18.3 °C

Event center: 16.0°N 8.0°E

Area affected: 1298498 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_2012-Jun-25_to_2012-Jul-07_8.0_16.0

Heat wave occuring from June 09 2012 to June 11 2012 at 6.5°N 356.5°E

Download data: JSON

Event type: Heat wave

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

  • Benin
  • Côte d’Ivoire
  • Ghana
  • Nigeria
  • Togo

Duration: 3 days

Time span: June 09 2012 to June 11 2012

Statistics over entire affected area:

  • Mean temperature anomaly: 1.4 °C
  • Mean temperature: 27.1 °C
  • Maximum temperature anomaly: 1.8 °C
  • Maximum temperature: 28.1 °C

Event center: 6.5°N 356.5°E

Area affected: 107473 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_2012-Jun-09_to_2012-Jun-11_356.5_6.5