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 10 2012 to June 12 2012 at 4.0°N 14.5°E

Download data: JSON

Event type: Heat wave

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

  • Cameroon
  • Central African Republic
  • Congo

Duration: 3 days

Time span: June 10 2012 to June 12 2012

Statistics over entire affected area:

  • Mean temperature anomaly: 1.7 °C
  • Mean temperature: 25.9 °C
  • Maximum temperature anomaly: 2.4 °C
  • Maximum temperature: 27.1 °C

Event center: 4.0°N 14.5°E

Area affected: 58622 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-10_to_2012-Jun-12_14.5_4.0

Cold spell occuring from May 10 2012 to May 14 2012 at 12.5°N 14.0°E

Download data: JSON

Event type: Cold spell

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

  • Cameroon
  • Chad
  • Nigeria

Duration: 5 days

Time span: May 10 2012 to May 14 2012

Statistics over entire affected area:

  • Mean temperature anomaly: -3.3 °C
  • Mean temperature: 28.1 °C
  • Minimum temperature anomaly: -7.0 °C
  • Minimum temperature: 19.2 °C

Event center: 12.5°N 14.0°E

Area affected: 276222 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-May-10_to_2012-May-14_14.0_12.5

Heat wave occuring from April 26 2012 to May 05 2012 at 10.5°N 15.0°E

Download data: JSON

Event type: Heat wave

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

  • Cameroon
  • Central African Republic
  • Chad
  • Nigeria

Duration: 10 days

Time span: April 26 2012 to May 05 2012

Statistics over entire affected area:

  • Mean temperature anomaly: 2.6 °C
  • Mean temperature: 34.3 °C
  • Maximum temperature anomaly: 4.1 °C
  • Maximum temperature: 37.4 °C

Event center: 10.5°N 15.0°E

Area affected: 312796 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-Apr-26_to_2012-May-05_15.0_10.5

Cold spell occuring from March 18 2012 to March 30 2012 at 9.0°N 12.0°E

Download data: JSON

Event type: Cold spell

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

  • Cameroon
  • Chad
  • Nigeria

Duration: 13 days

Time span: March 18 2012 to March 30 2012

Statistics over entire affected area:

  • Mean temperature anomaly: -2.3 °C
  • Mean temperature: 29.7 °C
  • Minimum temperature anomaly: -3.6 °C
  • Minimum temperature: 27.5 °C

Event center: 9.0°N 12.0°E

Area affected: 91629 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-Mar-18_to_2012-Mar-30_12.0_9.0

Heat wave occuring from March 16 2012 to April 13 2012 at 45.0°N 11.5°E

Download data: JSON

Event type: Heat wave

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

  • Algeria
  • Andorra
  • Austria
  • Belgium
  • Bosnia and Herzegovina
  • Cameroon
  • Chad
  • Croatia
  • Cyprus
  • Czech Republic
  • Egypt
  • France
  • Germany
  • Greece
  • Hungary
  • Iran
  • Iraq
  • Israel
  • Italy
  • Jordan
  • Lebanon
  • Libya
  • Luxembourg
  • Mali
  • Mauritania
  • Netherlands
  • Niger
  • Nigeria
  • Palestinian Territory
  • Portugal
  • Saudi Arabia
  • Slovakia
  • Slovenia
  • Spain
  • Sudan
  • Switzerland
  • Syria
  • Turkiye

Duration: 29 days

Time span: March 16 2012 to April 13 2012

Statistics over entire affected area:

  • Mean temperature anomaly: 4.5 °C
  • Mean temperature: 22.3 °C
  • Maximum temperature anomaly: 12.3 °C
  • Maximum temperature: 38.3 °C

Event center: 45.0°N 11.5°E

Area affected: 8960418 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-Mar-16_to_2012-Apr-13_11.5_45.0

Heat wave occuring from March 13 2012 to April 01 2012 at 5.5°N 11.0°E

Download data: JSON

Event type: Heat wave

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

  • Benin
  • Burkina Faso
  • Cameroon
  • Central African Republic
  • Côte d’Ivoire
  • Ghana
  • Guinea
  • Mali
  • Nigeria
  • Togo

Duration: 20 days

Time span: March 13 2012 to April 01 2012

Statistics over entire affected area:

  • Mean temperature anomaly: 2.1 °C
  • Mean temperature: 30.1 °C
  • Maximum temperature anomaly: 3.9 °C
  • Maximum temperature: 34.2 °C

Event center: 5.5°N 11.0°E

Area affected: 919560 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-Mar-13_to_2012-Apr-01_11.0_5.5

Heat wave occuring from February 10 2012 to February 18 2012 at 20.0°N 16.5°E

Download data: JSON

Event type: Heat wave

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

  • Cameroon
  • Central African Republic
  • Chad
  • Egypt
  • Israel
  • Jordan
  • Libya
  • Niger
  • Nigeria
  • Saudi Arabia
  • Sudan

Duration: 9 days

Time span: February 10 2012 to February 18 2012

Statistics over entire affected area:

  • Mean temperature anomaly: 5.8 °C
  • Mean temperature: 25.3 °C
  • Maximum temperature anomaly: 11.5 °C
  • Maximum temperature: 32.9 °C

Event center: 20.0°N 16.5°E

Area affected: 4179055 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-Feb-10_to_2012-Feb-18_16.5_20.0

Cold spell occuring from January 27 2012 to February 01 2012 at 3.5°N 6.5°E

Download data: JSON

Event type: Cold spell

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

  • Cameroon
  • Gabon

Duration: 6 days

Time span: January 27 2012 to February 01 2012

Statistics over entire affected area:

  • Mean temperature anomaly: -0.9 °C
  • Mean temperature: 26.2 °C
  • Minimum temperature anomaly: -1.5 °C
  • Minimum temperature: 24.2 °C

Event center: 3.5°N 6.5°E

Area affected: 305640 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-Jan-27_to_2012-Feb-01_6.5_3.5

Cold spell occuring from January 08 2012 to January 22 2012 at 29.5°N 20.0°E

Download data: JSON

Event type: Cold spell

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

  • Algeria
  • Benin
  • Burkina Faso
  • Cameroon
  • Central African Republic
  • Chad
  • Egypt
  • Eritrea
  • Ghana
  • Greece
  • Libya
  • Mali
  • Niger
  • Nigeria
  • Saudi Arabia
  • Sudan
  • Togo
  • Tunisia

Duration: 15 days

Time span: January 08 2012 to January 22 2012

Statistics over entire affected area:

  • Mean temperature anomaly: -3.8 °C
  • Mean temperature: 11.3 °C
  • Minimum temperature anomaly: -7.2 °C
  • Minimum temperature: 3.5 °C

Event center: 29.5°N 20.0°E

Area affected: 6179435 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-Jan-08_to_2012-Jan-22_20.0_29.5