Category: Extremes affecting Chad

Heat wave occuring from October 01 2011 to October 07 2011 at 14.0°N 22.5°E

Download data: JSON

Event type: Heat wave

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

  • Chad
  • Sudan

Duration: 7 days

Time span: October 01 2011 to October 07 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 2.3 °C
  • Mean temperature: 32.3 °C
  • Maximum temperature anomaly: 3.6 °C
  • Maximum temperature: 35.1 °C

Event center: 14.0°N 22.5°E

Area affected: 74727 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-Oct-01_to_2011-Oct-07_22.5_14.0

Cold spell occuring from September 29 2011 to October 25 2011 at 28.0°N 13.5°E

Download data: JSON

Event type: Cold spell

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

  • Albania
  • Algeria
  • Austria
  • Bahrain
  • Belarus
  • Bosnia and Herzegovina
  • Bulgaria
  • Chad
  • Croatia
  • Cyprus
  • Egypt
  • Georgia
  • Greece
  • Hungary
  • Iran
  • Iraq
  • Italy
  • Kuwait
  • Libya
  • Mali
  • Mauritania
  • Moldova
  • Montenegro
  • Niger
  • North Macedonia
  • Poland
  • Romania
  • Saudi Arabia
  • Serbia
  • Slovakia
  • Slovenia
  • Sudan
  • Syria
  • Tunisia
  • Turkiye
  • Ukraine

Duration: 27 days

Time span: September 29 2011 to October 25 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -4.7 °C
  • Mean temperature: 17.4 °C
  • Minimum temperature anomaly: -11.5 °C
  • Minimum temperature: -3.7 °C

Event center: 28.0°N 13.5°E

Area affected: 9904325 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-29_to_2011-Oct-25_13.5_28.0

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 September 13 2011 to September 19 2011 at 16.5°N 21.5°E

Download data: JSON

Event type: Cold spell

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

  • Chad
  • Sudan

Duration: 7 days

Time span: September 13 2011 to September 19 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -2.9 °C
  • Mean temperature: 26.5 °C
  • Minimum temperature anomaly: -5.1 °C
  • Minimum temperature: 22.0 °C

Event center: 16.5°N 21.5°E

Area affected: 122250 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-13_to_2011-Sep-19_21.5_16.5

Heat wave occuring from August 24 2011 to August 27 2011 at 18.5°N 19.5°E

Download data: JSON

Event type: Heat wave

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

  • Chad

Duration: 4 days

Time span: August 24 2011 to August 27 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 2.7 °C
  • Mean temperature: 34.8 °C
  • Maximum temperature anomaly: 4.5 °C
  • Maximum temperature: 37.0 °C

Event center: 18.5°N 19.5°E

Area affected: 67846 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-Aug-24_to_2011-Aug-27_19.5_18.5

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 August 14 2011 to August 19 2011 at 18.0°N 23.0°E

Download data: JSON

Event type: Cold spell

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

  • Chad
  • Sudan

Duration: 6 days

Time span: August 14 2011 to August 19 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -3.1 °C
  • Mean temperature: 27.0 °C
  • Minimum temperature anomaly: -4.6 °C
  • Minimum temperature: 23.1 °C

Event center: 18.0°N 23.0°E

Area affected: 209519 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-14_to_2011-Aug-19_23.0_18.0

Heat wave occuring from August 08 2011 to August 12 2011 at 12.0°N 12.5°E

Download data: JSON

Event type: Heat wave

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

  • Chad
  • Niger
  • Nigeria

Duration: 5 days

Time span: August 08 2011 to August 12 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 3.1 °C
  • Mean temperature: 32.2 °C
  • Maximum temperature anomaly: 4.7 °C
  • Maximum temperature: 36.2 °C

Event center: 12.0°N 12.5°E

Area affected: 356230 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-Aug-08_to_2011-Aug-12_12.5_12.0

Heat wave occuring from July 22 2011 to July 28 2011 at 13.5°N 21.0°E

Download data: JSON

Event type: Heat wave

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

  • Chad
  • Sudan

Duration: 7 days

Time span: July 22 2011 to July 28 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 2.7 °C
  • Mean temperature: 30.0 °C
  • Maximum temperature anomaly: 4.1 °C
  • Maximum temperature: 33.9 °C

Event center: 13.5°N 21.0°E

Area affected: 93159 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-Jul-22_to_2011-Jul-28_21.0_13.5

Heat wave occuring from July 18 2011 to July 24 2011 at 9.5°N 14.5°E

Download data: JSON

Event type: Heat wave

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

  • Cameroon
  • Chad
  • Nigeria

Duration: 7 days

Time span: July 18 2011 to July 24 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 2.0 °C
  • Mean temperature: 28.0 °C
  • Maximum temperature anomaly: 3.6 °C
  • Maximum temperature: 30.4 °C

Event center: 9.5°N 14.5°E

Area affected: 100561 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-Jul-18_to_2011-Jul-24_14.5_9.5