Heat wave occuring from December 13 2011 to December 21 2011 at 4.0°N 46.5°E

Download data: JSON

Event type: Heat wave

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

  • Ethiopia
  • Somalia

Duration: 9 days

Time span: December 13 2011 to December 21 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 1.2 °C
  • Mean temperature: 27.8 °C
  • Maximum temperature anomaly: 2.0 °C
  • Maximum temperature: 29.5 °C

Event center: 4.0°N 46.5°E

Area affected: 120051 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-13_to_2011-Dec-21_46.5_4.0

Heat wave occuring from October 23 2011 to November 14 2011 at 11.5°N 49.5°E

Download data: JSON

Event type: Heat wave

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

  • Djibouti
  • Ethiopia
  • Mozambique
  • Somalia
  • Tanzania
  • Yemen

Duration: 23 days

Time span: October 23 2011 to November 14 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 1.4 °C
  • Mean temperature: 26.9 °C
  • Maximum temperature anomaly: 5.4 °C
  • Maximum temperature: 32.2 °C

Event center: 11.5°N 49.5°E

Area affected: 2247325 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-23_to_2011-Nov-14_49.5_11.5

Heat wave occuring from October 04 2011 to October 06 2011 at 2.0°N 42.5°E

Download data: JSON

Event type: Heat wave

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

  • Ethiopia
  • Kenya
  • Somalia

Duration: 3 days

Time span: October 04 2011 to October 06 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 1.2 °C
  • Mean temperature: 29.4 °C
  • Maximum temperature anomaly: 1.8 °C
  • Maximum temperature: 31.5 °C

Event center: 2.0°N 42.5°E

Area affected: 52468 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-04_to_2011-Oct-06_42.5_2.0

Heat wave occuring from September 15 2011 to October 16 2011 at -7.0°S 48.0°E

Download data: JSON

Event type: Heat wave

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

  • Ethiopia
  • Kenya
  • Somalia
  • Tanzania

Duration: 32 days

Time span: September 15 2011 to October 16 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 0.9 °C
  • Mean temperature: 26.5 °C
  • Maximum temperature anomaly: 2.6 °C
  • Maximum temperature: 33.3 °C

Event center: -7.0°S 48.0°E

Area affected: 2856056 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-Sep-15_to_2011-Oct-16_48.0_-7.0

Heat wave occuring from August 27 2011 to September 03 2011 at 12.0°N 48.5°E

Download data: JSON

Event type: Heat wave

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

  • Somalia

Duration: 8 days

Time span: August 27 2011 to September 03 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 1.3 °C
  • Mean temperature: 31.2 °C
  • Maximum temperature anomaly: 2.3 °C
  • Maximum temperature: 33.8 °C

Event center: 12.0°N 48.5°E

Area affected: 66294 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-27_to_2011-Sep-03_48.5_12.0

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 April 25 2011 to May 07 2011 at -2.0°S 37.0°E

Download data: JSON

Event type: Heat wave

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

  • Ethiopia
  • Kenya
  • Somalia
  • Tanzania

Duration: 13 days

Time span: April 25 2011 to May 07 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 2.0 °C
  • Mean temperature: 27.5 °C
  • Maximum temperature anomaly: 3.8 °C
  • Maximum temperature: 32.3 °C

Event center: -2.0°S 37.0°E

Area affected: 475444 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-Apr-25_to_2011-May-07_37.0_-2.0

Heat wave occuring from April 21 2011 to May 01 2011 at 10.5°N 47.0°E

Download data: JSON

Event type: Heat wave

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

  • Djibouti
  • Ethiopia
  • Somalia

Duration: 11 days

Time span: April 21 2011 to May 01 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 1.9 °C
  • Mean temperature: 29.6 °C
  • Maximum temperature anomaly: 3.7 °C
  • Maximum temperature: 34.8 °C

Event center: 10.5°N 47.0°E

Area affected: 91107 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-Apr-21_to_2011-May-01_47.0_10.5

Heat wave occuring from March 21 2011 to April 26 2011 at 5.0°N 38.0°E

Download data: JSON

Event type: Heat wave

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

  • Ethiopia
  • Kenya
  • Somalia
  • South Sudan
  • Tanzania
  • Uganda

Duration: 37 days

Time span: March 21 2011 to April 26 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 2.7 °C
  • Mean temperature: 26.6 °C
  • Maximum temperature anomaly: 4.8 °C
  • Maximum temperature: 34.8 °C

Event center: 5.0°N 38.0°E

Area affected: 947432 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-21_to_2011-Apr-26_38.0_5.0