Cold spell occuring from December 13 2011 to December 18 2011 at 15.0°N 358.0°E

Download data: JSON

Event type: Cold spell

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

  • Burkina Faso
  • Mali
  • Mauritania

Duration: 6 days

Time span: December 13 2011 to December 18 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -2.7 °C
  • Mean temperature: 20.4 °C
  • Minimum temperature anomaly: -3.4 °C
  • Minimum temperature: 18.3 °C

Event center: 15.0°N 358.0°E

Area affected: 127587 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-Dec-13_to_2011-Dec-18_358.0_15.0

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

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

Cold spell occuring from December 09 2010 to December 13 2010 at 10.5°N 357.5°E

Download data: JSON

Event type: Cold spell

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

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

Duration: 5 days

Time span: December 09 2010 to December 13 2010

Statistics over entire affected area:

  • Mean temperature anomaly: -2.4 °C
  • Mean temperature: 24.5 °C
  • Minimum temperature anomaly: -3.7 °C
  • Minimum temperature: 22.5 °C

Event center: 10.5°N 357.5°E

Area affected: 130640 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-Dec-09_to_2010-Dec-13_357.5_10.5

Cold spell occuring from October 12 2010 to October 16 2010 at 15.0°N 356.0°E

Download data: JSON

Event type: Cold spell

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

  • Burkina Faso
  • Mali
  • Mauritania

Duration: 5 days

Time span: October 12 2010 to October 16 2010

Statistics over entire affected area:

  • Mean temperature anomaly: -3.0 °C
  • Mean temperature: 27.8 °C
  • Minimum temperature anomaly: -5.2 °C
  • Minimum temperature: 25.6 °C

Event center: 15.0°N 356.0°E

Area affected: 176341 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-12_to_2010-Oct-16_356.0_15.0

Cold spell occuring from July 22 2010 to July 24 2010 at 12.5°N 359.5°E

Download data: JSON

Event type: Cold spell

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

  • Burkina Faso

Duration: 3 days

Time span: July 22 2010 to July 24 2010

Statistics over entire affected area:

  • Mean temperature anomaly: -2.5 °C
  • Mean temperature: 24.5 °C
  • Minimum temperature anomaly: -4.1 °C
  • Minimum temperature: 23.4 °C

Event center: 12.5°N 0.5°W

Area affected: 51364 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-Jul-22_to_2010-Jul-24_359.5_12.5

Cold spell occuring from July 20 2010 to August 01 2010 at 16.0°N 10.0°E

Download data: JSON

Event type: Cold spell

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

  • Algeria
  • Burkina Faso
  • Mali
  • Niger
  • Nigeria

Duration: 13 days

Time span: July 20 2010 to August 01 2010

Statistics over entire affected area:

  • Mean temperature anomaly: -4.0 °C
  • Mean temperature: 27.9 °C
  • Minimum temperature anomaly: -8.3 °C
  • Minimum temperature: 22.7 °C

Event center: 16.0°N 10.0°E

Area affected: 920327 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-Jul-20_to_2010-Aug-01_10.0_16.0

Cold spell occuring from March 18 2010 to March 27 2010 at 18.0°N 11.0°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
  • Libya
  • Mali
  • Niger
  • Nigeria
  • Sudan

Duration: 10 days

Time span: March 18 2010 to March 27 2010

Statistics over entire affected area:

  • Mean temperature anomaly: -4.9 °C
  • Mean temperature: 20.6 °C
  • Minimum temperature anomaly: -8.8 °C
  • Minimum temperature: 7.9 °C

Event center: 18.0°N 11.0°E

Area affected: 4208762 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-Mar-18_to_2010-Mar-27_11.0_18.0