Heat wave occuring from June 13 2011 to June 23 2011 at 10.0°N 23.5°E

Download data: JSON

Event type: Heat wave

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

  • Central African Republic
  • Chad
  • Congo DRC
  • South Sudan
  • Sudan

Duration: 11 days

Time span: June 13 2011 to June 23 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 2.1 °C
  • Mean temperature: 28.4 °C
  • Maximum temperature anomaly: 3.9 °C
  • Maximum temperature: 33.3 °C

Event center: 10.0°N 23.5°E

Area affected: 877052 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-Jun-13_to_2011-Jun-23_23.5_10.0

Cold spell occuring from June 10 2011 to June 12 2011 at 1.0°N 30.5°E

Download data: JSON

Event type: Cold spell

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

  • Congo DRC
  • Uganda

Duration: 3 days

Time span: June 10 2011 to June 12 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -1.7 °C
  • Mean temperature: 20.6 °C
  • Minimum temperature anomaly: -2.8 °C
  • Minimum temperature: 18.7 °C

Event center: 1.0°N 30.5°E

Area affected: 86461 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-Jun-10_to_2011-Jun-12_30.5_1.0

Heat wave occuring from May 30 2011 to June 07 2011 at -3.5°S 17.0°E

Download data: JSON

Event type: Heat wave

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

  • Cameroon
  • Central African Republic
  • Chad
  • Congo
  • Congo DRC
  • Gabon
  • Nigeria
  • South Sudan
  • Sudan

Duration: 9 days

Time span: May 30 2011 to June 07 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 2.1 °C
  • Mean temperature: 27.7 °C
  • Maximum temperature anomaly: 4.8 °C
  • Maximum temperature: 36.1 °C

Event center: -3.5°S 17.0°E

Area affected: 1986709 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-May-30_to_2011-Jun-07_17.0_-3.5

Heat wave occuring from May 24 2011 to July 14 2011 at -17.0°S 49.0°E

Download data: JSON

Event type: Heat wave

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

  • Angola
  • Congo DRC
  • Madagascar
  • Malawi
  • Mauritius
  • Mozambique
  • Réunion
  • Tanzania
  • Zambia
  • Zimbabwe

Duration: 52 days

Time span: May 24 2011 to July 14 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 2.1 °C
  • Mean temperature: 19.4 °C
  • Maximum temperature anomaly: 5.6 °C
  • Maximum temperature: 29.7 °C

Event center: -17.0°S 49.0°E

Area affected: 13649734 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-May-24_to_2011-Jul-14_49.0_-17.0

Heat wave occuring from May 17 2011 to May 21 2011 at 7.5°N 20.5°E

Download data: JSON

Event type: Heat wave

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

  • Central African Republic
  • Congo DRC
  • South Sudan

Duration: 5 days

Time span: May 17 2011 to May 21 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 2.1 °C
  • Mean temperature: 27.9 °C
  • Maximum temperature anomaly: 3.2 °C
  • Maximum temperature: 32.3 °C

Event center: 7.5°N 20.5°E

Area affected: 347332 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-May-17_to_2011-May-21_20.5_7.5

Heat wave occuring from May 16 2011 to May 19 2011 at -15.5°S 29.5°E

Download data: JSON

Event type: Heat wave

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

  • Congo DRC
  • Mozambique
  • Zambia
  • Zimbabwe

Duration: 4 days

Time span: May 16 2011 to May 19 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 2.5 °C
  • Mean temperature: 22.4 °C
  • Maximum temperature anomaly: 3.7 °C
  • Maximum temperature: 27.2 °C

Event center: -15.5°S 29.5°E

Area affected: 122918 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-May-16_to_2011-May-19_29.5_-15.5

Heat wave occuring from May 02 2011 to May 19 2011 at -6.5°S 16.5°E

Download data: JSON

Event type: Heat wave

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

  • Angola
  • Burundi
  • Cameroon
  • Central African Republic
  • Chad
  • Congo
  • Congo DRC
  • Equatorial Guinea
  • Ethiopia
  • Gabon
  • Kenya
  • Rwanda
  • South Sudan
  • Sudan
  • Tanzania
  • Uganda

Duration: 18 days

Time span: May 02 2011 to May 19 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 2.1 °C
  • Mean temperature: 27.4 °C
  • Maximum temperature anomaly: 4.8 °C
  • Maximum temperature: 37.1 °C

Event center: -6.5°S 16.5°E

Area affected: 3327749 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-May-02_to_2011-May-19_16.5_-6.5

Cold spell occuring from March 18 2011 to March 24 2011 at -16.5°S 12.5°E

Download data: JSON

Event type: Cold spell

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

  • Angola
  • Congo DRC
  • Namibia
  • Zambia

Duration: 7 days

Time span: March 18 2011 to March 24 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -2.2 °C
  • Mean temperature: 19.6 °C
  • Minimum temperature anomaly: -5.2 °C
  • Minimum temperature: 15.0 °C

Event center: -16.5°S 12.5°E

Area affected: 704831 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-18_to_2011-Mar-24_12.5_-16.5

Cold spell occuring from March 18 2011 to March 23 2011 at -8.0°S 32.0°E

Download data: JSON

Event type: Cold spell

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

  • Congo DRC
  • Tanzania
  • Zambia

Duration: 6 days

Time span: March 18 2011 to March 23 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -1.6 °C
  • Mean temperature: 20.2 °C
  • Minimum temperature anomaly: -2.9 °C
  • Minimum temperature: 17.5 °C

Event center: -8.0°S 32.0°E

Area affected: 106565 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-18_to_2011-Mar-23_32.0_-8.0

Heat wave occuring from March 06 2011 to March 08 2011 at -3.5°S 18.5°E

Download data: JSON

Event type: Heat wave

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

  • Congo
  • Congo DRC

Duration: 3 days

Time span: March 06 2011 to March 08 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 2.1 °C
  • Mean temperature: 27.9 °C
  • Maximum temperature anomaly: 3.1 °C
  • Maximum temperature: 29.5 °C

Event center: -3.5°S 18.5°E

Area affected: 160381 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-Mar-06_to_2011-Mar-08_18.5_-3.5