Category: Cold spells affecting Nigeria

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

Cold spell occuring from May 26 2012 to June 02 2012 at 14.5°N 17.0°E

Download data: JSON

Event type: Cold spell

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

  • Chad
  • Niger
  • Nigeria

Duration: 8 days

Time span: May 26 2012 to June 02 2012

Statistics over entire affected area:

  • Mean temperature anomaly: -2.6 °C
  • Mean temperature: 29.1 °C
  • Minimum temperature anomaly: -5.1 °C
  • Minimum temperature: 21.8 °C

Event center: 14.5°N 17.0°E

Area affected: 432999 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-26_to_2012-Jun-02_17.0_14.5

Cold spell occuring from May 12 2012 to May 14 2012 at 10.0°N 6.0°E

Download data: JSON

Event type: Cold spell

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

  • Nigeria

Duration: 3 days

Time span: May 12 2012 to May 14 2012

Statistics over entire affected area:

  • Mean temperature anomaly: -2.8 °C
  • Mean temperature: 25.7 °C
  • Minimum temperature anomaly: -4.0 °C
  • Minimum temperature: 20.1 °C

Event center: 10.0°N 6.0°E

Area affected: 109370 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-12_to_2012-May-14_6.0_10.0

Cold spell occuring from May 11 2012 to May 15 2012 at 16.0°N 5.0°E

Download data: JSON

Event type: Cold spell

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

  • Mali
  • Niger
  • Nigeria

Duration: 5 days

Time span: May 11 2012 to May 15 2012

Statistics over entire affected area:

  • Mean temperature anomaly: -2.6 °C
  • Mean temperature: 31.8 °C
  • Minimum temperature anomaly: -5.6 °C
  • Minimum temperature: 27.7 °C

Event center: 16.0°N 5.0°E

Area affected: 98407 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-11_to_2012-May-15_5.0_16.0

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

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

Cold spell occuring from March 06 2012 to March 24 2012 at 22.0°N 6.5°E

Download data: JSON

Event type: Cold spell

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

  • Algeria
  • Benin
  • Burkina Faso
  • Chad
  • Côte d’Ivoire
  • Egypt
  • Ghana
  • Guinea
  • Libya
  • Mali
  • Mauritania
  • Morocco
  • Niger
  • Nigeria
  • Sudan
  • Togo
  • Tunisia

Duration: 19 days

Time span: March 06 2012 to March 24 2012

Statistics over entire affected area:

  • Mean temperature anomaly: -5.4 °C
  • Mean temperature: 16.5 °C
  • Minimum temperature anomaly: -11.8 °C
  • Minimum temperature: 1.8 °C

Event center: 22.0°N 6.5°E

Area affected: 8418815 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-06_to_2012-Mar-24_6.5_22.0

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

Cold spell occuring from December 09 2011 to December 16 2011 at 8.0°N 2.5°E

Download data: JSON

Event type: Cold spell

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

  • Benin
  • Nigeria
  • Togo

Duration: 8 days

Time span: December 09 2011 to December 16 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -1.8 °C
  • Mean temperature: 25.2 °C
  • Minimum temperature anomaly: -3.2 °C
  • Minimum temperature: 23.5 °C

Event center: 8.0°N 2.5°E

Area affected: 119448 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-09_to_2011-Dec-16_2.5_8.0

Cold spell occuring from November 13 2011 to April 25 2012 at -21.0°S 333.0°E

Download data: JSON

Event type: Cold spell

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

  • Angola
  • Argentina
  • Benin
  • Brazil
  • Cameroon
  • Central African Republic
  • Congo
  • Congo DRC
  • Côte d’Ivoire
  • Gabon
  • Ghana
  • Liberia
  • Namibia
  • Nigeria
  • Paraguay
  • Sierra Leone
  • South Africa
  • South Sudan
  • Togo
  • Uganda

Duration: 165 days

Time span: November 13 2011 to April 25 2012

Statistics over entire affected area:

  • Mean temperature anomaly: -1.3 °C
  • Mean temperature: 22.4 °C
  • Minimum temperature anomaly: -11.9 °C
  • Minimum temperature: 7.5 °C

Event center: -21.0°S 333.0°E

Area affected: 29177637 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-13_to_2012-Apr-25_333.0_-21.0