Cold spell occuring from November 03 2011 to November 06 2011 at 11.5°N 15.0°E

Download data: JSON

Event type: Cold spell

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

  • Cameroon
  • Chad
  • Nigeria

Duration: 4 days

Time span: November 03 2011 to November 06 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -2.4 °C
  • Mean temperature: 26.7 °C
  • Minimum temperature anomaly: -3.4 °C
  • Minimum temperature: 25.7 °C

Event center: 11.5°N 15.0°E

Area affected: 63528 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-Nov-03_to_2011-Nov-06_15.0_11.5

Cold spell occuring from October 26 2011 to December 24 2011 at 37.5°N 45.0°E

Download data: JSON

Event type: Cold spell

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

  • Afghanistan
  • Albania
  • Armenia
  • Austria
  • Azerbaijan
  • Bahrain
  • Bosnia and Herzegovina
  • Bulgaria
  • Cameroon
  • Central African Republic
  • Chad
  • China
  • Congo
  • Congo DRC
  • Croatia
  • Cyprus
  • Czech Republic
  • Djibouti
  • Egypt
  • Eritrea
  • Ethiopia
  • Georgia
  • Greece
  • Hungary
  • Iran
  • Iraq
  • Israel
  • Italy
  • Jordan
  • Kazakhstan
  • Kuwait
  • Kyrgyzstan
  • Lebanon
  • Libya
  • Mali
  • Niger
  • Nigeria
  • North Macedonia
  • Oman
  • Pakistan
  • Palestinian Territory
  • Poland
  • Qatar
  • Romania
  • Russian Federation
  • Saudi Arabia
  • Serbia
  • Slovakia
  • Slovenia
  • Somalia
  • South Sudan
  • Sudan
  • Syria
  • Tajikistan
  • Turkiye
  • Turkmenistan
  • Ukraine
  • United Arab Emirates
  • Uzbekistan
  • Yemen

Duration: 60 days

Time span: October 26 2011 to December 24 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -5.4 °C
  • Mean temperature: 9.8 °C
  • Minimum temperature anomaly: -19.7 °C
  • Minimum temperature: -27.5 °C

Event center: 37.5°N 45.0°E

Area affected: 22191719 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-Oct-26_to_2011-Dec-24_45.0_37.5

Cold spell occuring from October 23 2011 to October 26 2011 at 15.5°N 17.5°E

Download data: JSON

Event type: Cold spell

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

  • Chad
  • Nigeria

Duration: 4 days

Time span: October 23 2011 to October 26 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -2.8 °C
  • Mean temperature: 26.4 °C
  • Minimum temperature anomaly: -4.0 °C
  • Minimum temperature: 24.8 °C

Event center: 15.5°N 17.5°E

Area affected: 74643 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-Oct-23_to_2011-Oct-26_17.5_15.5

Cold spell occuring from September 14 2011 to September 18 2011 at 15.0°N 14.5°E

Download data: JSON

Event type: Cold spell

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

  • Cameroon
  • Chad
  • Niger
  • Nigeria

Duration: 5 days

Time span: September 14 2011 to September 18 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -2.9 °C
  • Mean temperature: 27.7 °C
  • Minimum temperature anomaly: -5.7 °C
  • Minimum temperature: 24.6 °C

Event center: 15.0°N 14.5°E

Area affected: 71861 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-Sep-14_to_2011-Sep-18_14.5_15.0

Cold spell occuring from August 16 2011 to August 22 2011 at 20.5°N 16.0°E

Download data: JSON

Event type: Cold spell

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

  • Chad
  • Niger
  • Nigeria

Duration: 7 days

Time span: August 16 2011 to August 22 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -3.3 °C
  • Mean temperature: 27.3 °C
  • Minimum temperature anomaly: -6.0 °C
  • Minimum temperature: 21.7 °C

Event center: 20.5°N 16.0°E

Area affected: 586124 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-Aug-16_to_2011-Aug-22_16.0_20.5

Cold spell occuring from July 25 2011 to July 29 2011 at 4.0°N 9.5°E

Download data: JSON

Event type: Cold spell

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

  • Cameroon
  • Nigeria

Duration: 5 days

Time span: July 25 2011 to July 29 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -1.2 °C
  • Mean temperature: 22.4 °C
  • Minimum temperature anomaly: -1.9 °C
  • Minimum temperature: 20.2 °C

Event center: 4.0°N 9.5°E

Area affected: 61637 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-Jul-25_to_2011-Jul-29_9.5_4.0

Cold spell occuring from May 25 2011 to May 29 2011 at 13.5°N 14.0°E

Download data: JSON

Event type: Cold spell

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

  • Cameroon
  • Chad
  • Niger
  • Nigeria

Duration: 5 days

Time span: May 25 2011 to May 29 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -2.9 °C
  • Mean temperature: 30.9 °C
  • Minimum temperature anomaly: -5.5 °C
  • Minimum temperature: 28.9 °C

Event center: 13.5°N 14.0°E

Area affected: 51150 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-25_to_2011-May-29_14.0_13.5

Cold spell occuring from March 11 2011 to April 27 2011 at 12.5°N 51.5°E

Download data: JSON

Event type: Cold spell

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

  • Cameroon
  • Chad
  • Djibouti
  • Egypt
  • Eritrea
  • Ethiopia
  • Libya
  • Niger
  • Nigeria
  • Oman
  • Saudi Arabia
  • Somalia
  • Sudan
  • Yemen

Duration: 48 days

Time span: March 11 2011 to April 27 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -1.8 °C
  • Mean temperature: 25.1 °C
  • Minimum temperature anomaly: -6.2 °C
  • Minimum temperature: 13.7 °C

Event center: 12.5°N 51.5°E

Area affected: 5041771 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-Mar-11_to_2011-Apr-27_51.5_12.5

Cold spell occuring from February 22 2011 to February 28 2011 at 7.0°N 1.5°E

Download data: JSON

Event type: Cold spell

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

  • Benin
  • Ghana
  • Nigeria
  • Togo

Duration: 7 days

Time span: February 22 2011 to February 28 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -2.0 °C
  • Mean temperature: 26.9 °C
  • Minimum temperature anomaly: -3.8 °C
  • Minimum temperature: 24.7 °C

Event center: 7.0°N 1.5°E

Area affected: 79686 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-22_to_2011-Feb-28_1.5_7.0

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