Cold spell occuring from August 07 2011 to August 12 2011 at 5.0°N 36.5°E

Download data: JSON

Event type: Cold spell

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

  • Ethiopia
  • Kenya

Duration: 6 days

Time span: August 07 2011 to August 12 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -2.4 °C
  • Mean temperature: 20.7 °C
  • Minimum temperature anomaly: -4.8 °C
  • Minimum temperature: 12.4 °C

Event center: 5.0°N 36.5°E

Area affected: 83003 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-07_to_2011-Aug-12_36.5_5.0

Heat wave occuring from July 10 2011 to July 24 2011 at 12.5°N 25.0°E

Download data: JSON

Event type: Heat wave

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

  • Algeria
  • Benin
  • Central African Republic
  • Chad
  • Eritrea
  • Ethiopia
  • Mali
  • Niger
  • Nigeria
  • South Sudan
  • Sudan

Duration: 15 days

Time span: July 10 2011 to July 24 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 2.6 °C
  • Mean temperature: 32.4 °C
  • Maximum temperature anomaly: 4.6 °C
  • Maximum temperature: 38.0 °C

Event center: 12.5°N 25.0°E

Area affected: 1887464 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-10_to_2011-Jul-24_25.0_12.5

Heat wave occuring from July 08 2011 to July 13 2011 at 14.5°N 38.0°E

Download data: JSON

Event type: Heat wave

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

  • Eritrea
  • Ethiopia
  • Sudan

Duration: 6 days

Time span: July 08 2011 to July 13 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 2.9 °C
  • Mean temperature: 34.5 °C
  • Maximum temperature anomaly: 4.8 °C
  • Maximum temperature: 38.8 °C

Event center: 14.5°N 38.0°E

Area affected: 534025 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-08_to_2011-Jul-13_38.0_14.5

Heat wave occuring from July 01 2011 to July 04 2011 at 10.0°N 35.5°E

Download data: JSON

Event type: Heat wave

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

  • Ethiopia
  • Sudan

Duration: 4 days

Time span: July 01 2011 to July 04 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 2.0 °C
  • Mean temperature: 24.0 °C
  • Maximum temperature anomaly: 4.0 °C
  • Maximum temperature: 30.7 °C

Event center: 10.0°N 35.5°E

Area affected: 54723 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-01_to_2011-Jul-04_35.5_10.0

Heat wave occuring from June 30 2011 to July 10 2011 at 11.0°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
  • Congo DRC
  • Ethiopia
  • South Sudan
  • Sudan

Duration: 11 days

Time span: June 30 2011 to July 10 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 2.5 °C
  • Mean temperature: 28.8 °C
  • Maximum temperature anomaly: 4.8 °C
  • Maximum temperature: 35.7 °C

Event center: 11.0°N 23.5°E

Area affected: 1265683 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-30_to_2011-Jul-10_23.5_11.0

Heat wave occuring from June 22 2011 to June 28 2011 at 18.0°N 35.5°E

Download data: JSON

Event type: Heat wave

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

  • Eritrea
  • Ethiopia
  • Sudan

Duration: 7 days

Time span: June 22 2011 to June 28 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 2.5 °C
  • Mean temperature: 34.5 °C
  • Maximum temperature anomaly: 4.2 °C
  • Maximum temperature: 38.6 °C

Event center: 18.0°N 35.5°E

Area affected: 363672 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-22_to_2011-Jun-28_35.5_18.0

Cold spell occuring from June 12 2011 to June 22 2011 at 14.5°N 40.5°E

Download data: JSON

Event type: Cold spell

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

  • Djibouti
  • Egypt
  • Eritrea
  • Ethiopia
  • Sudan

Duration: 11 days

Time span: June 12 2011 to June 22 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -1.6 °C
  • Mean temperature: 29.1 °C
  • Minimum temperature anomaly: -4.6 °C
  • Minimum temperature: 13.0 °C

Event center: 14.5°N 40.5°E

Area affected: 571716 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-12_to_2011-Jun-22_40.5_14.5

Heat wave occuring from May 20 2011 to September 18 2011 at 4.5°N 49.0°E

Download data: JSON

Event type: Heat wave

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

  • Afghanistan
  • Armenia
  • Azerbaijan
  • Belarus
  • China
  • Egypt
  • Estonia
  • Ethiopia
  • Finland
  • Georgia
  • Iran
  • Iraq
  • Jordan
  • Kazakhstan
  • Kenya
  • Kyrgyzstan
  • Latvia
  • Lithuania
  • Oman
  • Pakistan
  • Russian Federation
  • Saudi Arabia
  • Somalia
  • South Sudan
  • Syria
  • Tajikistan
  • Tanzania
  • Turkiye
  • Turkmenistan
  • Uganda
  • Ukraine
  • United Arab Emirates
  • Uzbekistan
  • Yemen

Duration: 122 days

Time span: May 20 2011 to September 18 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 2.5 °C
  • Mean temperature: 27.8 °C
  • Maximum temperature anomaly: 10.7 °C
  • Maximum temperature: 44.6 °C

Event center: 4.5°N 49.0°E

Area affected: 17804972 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-20_to_2011-Sep-18_49.0_4.5

Heat wave occuring from May 10 2011 to May 18 2011 at 3.5°N 41.0°E

Download data: JSON

Event type: Heat wave

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

  • Ethiopia
  • Kenya
  • Somalia

Duration: 9 days

Time span: May 10 2011 to May 18 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 1.9 °C
  • Mean temperature: 28.8 °C
  • Maximum temperature anomaly: 3.3 °C
  • Maximum temperature: 32.4 °C

Event center: 3.5°N 41.0°E

Area affected: 89439 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-10_to_2011-May-18_41.0_3.5

Heat wave occuring from May 03 2011 to May 17 2011 at 8.0°N 39.0°E

Download data: JSON

Event type: Heat wave

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

  • Eritrea
  • Ethiopia
  • South Sudan
  • Sudan

Duration: 15 days

Time span: May 03 2011 to May 17 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 2.8 °C
  • Mean temperature: 30.5 °C
  • Maximum temperature anomaly: 4.7 °C
  • Maximum temperature: 38.2 °C

Event center: 8.0°N 39.0°E

Area affected: 588140 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-03_to_2011-May-17_39.0_8.0