Category: Extremes affecting Nigeria

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

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

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 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

Heat wave occuring from December 25 2011 to December 31 2011 at 16.5°N 15.5°E

Download data: JSON

Event type: Heat wave

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

  • Cameroon
  • Chad
  • Libya
  • Niger
  • Nigeria

Duration: 7 days

Time span: December 25 2011 to December 31 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 3.3 °C
  • Mean temperature: 22.0 °C
  • Maximum temperature anomaly: 5.6 °C
  • Maximum temperature: 27.7 °C

Event center: 16.5°N 15.5°E

Area affected: 847871 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_2011-Dec-25_to_2011-Dec-31_15.5_16.5

Heat wave occuring from December 22 2011 to December 31 2011 at 6.0°N 6.0°E

Download data: JSON

Event type: Heat wave

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

  • Cameroon
  • Nigeria

Duration: 10 days

Time span: December 22 2011 to December 31 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 1.3 °C
  • Mean temperature: 26.2 °C
  • Maximum temperature anomaly: 2.4 °C
  • Maximum temperature: 29.8 °C

Event center: 6.0°N 6.0°E

Area affected: 175468 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_2011-Dec-22_to_2011-Dec-31_6.0_6.0

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

Heat wave occuring from November 30 2011 to December 04 2011 at 4.5°N 7.0°E

Download data: JSON

Event type: Heat wave

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

  • Nigeria

Duration: 5 days

Time span: November 30 2011 to December 04 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 0.9 °C
  • Mean temperature: 27.9 °C
  • Maximum temperature anomaly: 1.8 °C
  • Maximum temperature: 28.6 °C

Event center: 4.5°N 7.0°E

Area affected: 52405 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_2011-Nov-30_to_2011-Dec-04_7.0_4.5

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

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