Cold spell occuring from May 07 2011 to May 15 2011 at 13.5°N 342.0°E

Download data: JSON

Event type: Cold spell

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

  • Mauritania
  • Senegal

Duration: 9 days

Time span: May 07 2011 to May 15 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -2.8 °C
  • Mean temperature: 22.9 °C
  • Minimum temperature anomaly: -5.9 °C
  • Minimum temperature: 18.5 °C

Event center: 13.5°N 342.0°E

Area affected: 321633 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-May-07_to_2011-May-15_342.0_13.5

Cold spell occuring from April 27 2011 to May 02 2011 at 19.5°N 344.5°E

Download data: JSON

Event type: Cold spell

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

  • Mauritania
  • Morocco
  • Senegal

Duration: 6 days

Time span: April 27 2011 to May 02 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -4.4 °C
  • Mean temperature: 24.8 °C
  • Minimum temperature anomaly: -6.3 °C
  • Minimum temperature: 18.6 °C

Event center: 19.5°N 344.5°E

Area affected: 245115 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-Apr-27_to_2011-May-02_344.5_19.5

Cold spell occuring from February 10 2011 to February 17 2011 at 14.5°N 346.0°E

Download data: JSON

Event type: Cold spell

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

  • Algeria
  • Gambia
  • Guinea-Bissau
  • Mali
  • Mauritania
  • Senegal

Duration: 8 days

Time span: February 10 2011 to February 17 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -3.9 °C
  • Mean temperature: 20.4 °C
  • Minimum temperature anomaly: -5.3 °C
  • Minimum temperature: 13.9 °C

Event center: 14.5°N 346.0°E

Area affected: 852610 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-10_to_2011-Feb-17_346.0_14.5

Cold spell occuring from January 12 2011 to January 17 2011 at 13.0°N 345.0°E

Download data: JSON

Event type: Cold spell

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

  • Guinea
  • Guinea-Bissau
  • Senegal

Duration: 6 days

Time span: January 12 2011 to January 17 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -1.9 °C
  • Mean temperature: 23.7 °C
  • Minimum temperature anomaly: -2.9 °C
  • Minimum temperature: 22.4 °C

Event center: 13.0°N 345.0°E

Area affected: 60515 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-12_to_2011-Jan-17_345.0_13.0

Cold spell occuring from November 04 2010 to November 10 2010 at 15.5°N 348.0°E

Download data: JSON

Event type: Cold spell

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

  • Algeria
  • Gambia
  • Mali
  • Mauritania
  • Senegal

Duration: 7 days

Time span: November 04 2010 to November 10 2010

Statistics over entire affected area:

  • Mean temperature anomaly: -3.9 °C
  • Mean temperature: 22.5 °C
  • Minimum temperature anomaly: -5.7 °C
  • Minimum temperature: 17.8 °C

Event center: 15.5°N 348.0°E

Area affected: 1077883 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-Nov-04_to_2010-Nov-10_348.0_15.5

Cold spell occuring from October 16 2010 to October 20 2010 at 19.0°N 345.5°E

Download data: JSON

Event type: Cold spell

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

  • Mauritania
  • Senegal

Duration: 5 days

Time span: October 16 2010 to October 20 2010

Statistics over entire affected area:

  • Mean temperature anomaly: -4.0 °C
  • Mean temperature: 27.1 °C
  • Minimum temperature anomaly: -6.0 °C
  • Minimum temperature: 24.3 °C

Event center: 19.0°N 345.5°E

Area affected: 213556 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-16_to_2010-Oct-20_345.5_19.0

Cold spell occuring from September 01 2010 to September 11 2010 at 20.5°N 347.0°E

Download data: JSON

Event type: Cold spell

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

  • Mali
  • Mauritania
  • Morocco
  • Senegal

Duration: 11 days

Time span: September 01 2010 to September 11 2010

Statistics over entire affected area:

  • Mean temperature anomaly: -4.4 °C
  • Mean temperature: 28.6 °C
  • Minimum temperature anomaly: -7.4 °C
  • Minimum temperature: 22.0 °C

Event center: 20.5°N 347.0°E

Area affected: 665961 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-Sep-01_to_2010-Sep-11_347.0_20.5

Cold spell occuring from June 01 2010 to June 04 2010 at 18.5°N 345.0°E

Download data: JSON

Event type: Cold spell

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

  • Mauritania
  • Senegal

Duration: 4 days

Time span: June 01 2010 to June 04 2010

Statistics over entire affected area:

  • Mean temperature anomaly: -4.7 °C
  • Mean temperature: 27.7 °C
  • Minimum temperature anomaly: -6.9 °C
  • Minimum temperature: 20.6 °C

Event center: 18.5°N 345.0°E

Area affected: 123255 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-Jun-01_to_2010-Jun-04_345.0_18.5