Category: Extremes affecting Ethiopia

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 April 12 2011 to April 21 2011 at 15.0°N 39.0°E

Download data: JSON

Event type: Heat wave

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

  • Eritrea
  • Ethiopia

Duration: 10 days

Time span: April 12 2011 to April 21 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 2.3 °C
  • Mean temperature: 30.0 °C
  • Maximum temperature anomaly: 4.2 °C
  • Maximum temperature: 37.7 °C

Event center: 15.0°N 39.0°E

Area affected: 53588 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-12_to_2011-Apr-21_39.0_15.0

Heat wave occuring from April 10 2011 to April 15 2011 at 11.5°N 36.5°E

Download data: JSON

Event type: Heat wave

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

  • Ethiopia
  • Sudan

Duration: 6 days

Time span: April 10 2011 to April 15 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 2.6 °C
  • Mean temperature: 30.1 °C
  • Maximum temperature anomaly: 3.9 °C
  • Maximum temperature: 36.4 °C

Event center: 11.5°N 36.5°E

Area affected: 87946 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-10_to_2011-Apr-15_36.5_11.5

Heat wave occuring from April 02 2011 to April 05 2011 at 12.0°N 36.0°E

Download data: JSON

Event type: Heat wave

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

  • Eritrea
  • Ethiopia
  • Sudan

Duration: 4 days

Time span: April 02 2011 to April 05 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 2.5 °C
  • Mean temperature: 33.2 °C
  • Maximum temperature anomaly: 3.3 °C
  • Maximum temperature: 37.1 °C

Event center: 12.0°N 36.0°E

Area affected: 54228 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-02_to_2011-Apr-05_36.0_12.0

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

Cold spell occuring from March 17 2011 to March 25 2011 at -1.5°S 50.0°E

Download data: JSON

Event type: Cold spell

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

  • Ethiopia
  • Somalia

Duration: 9 days

Time span: March 17 2011 to March 25 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -1.0 °C
  • Mean temperature: 26.7 °C
  • Minimum temperature anomaly: -1.8 °C
  • Minimum temperature: 25.9 °C

Event center: -1.5°S 50.0°E

Area affected: 568310 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-17_to_2011-Mar-25_50.0_-1.5

Cold spell occuring from March 15 2011 to March 17 2011 at 3.5°N 34.5°E

Download data: JSON

Event type: Cold spell

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

  • Ethiopia
  • Kenya
  • South Sudan
  • Uganda

Duration: 3 days

Time span: March 15 2011 to March 17 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -3.8 °C
  • Mean temperature: 25.6 °C
  • Minimum temperature anomaly: -5.2 °C
  • Minimum temperature: 19.2 °C

Event center: 3.5°N 34.5°E

Area affected: 76996 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-15_to_2011-Mar-17_34.5_3.5

Cold spell occuring from March 11 2011 to April 27 2011 at 12.5°N 51.5°E

Download data: JSON

Event type: Cold spell

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

  • Cameroon
  • Chad
  • Djibouti
  • Egypt
  • Eritrea
  • Ethiopia
  • Libya
  • Niger
  • Nigeria
  • Oman
  • Saudi Arabia
  • Somalia
  • Sudan
  • Yemen

Duration: 48 days

Time span: March 11 2011 to April 27 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -1.8 °C
  • Mean temperature: 25.1 °C
  • Minimum temperature anomaly: -6.2 °C
  • Minimum temperature: 13.7 °C

Event center: 12.5°N 51.5°E

Area affected: 5041771 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-11_to_2011-Apr-27_51.5_12.5

Cold spell occuring from March 08 2011 to March 26 2011 at 12.0°N 39.0°E

Download data: JSON

Event type: Cold spell

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

  • Central African Republic
  • Chad
  • Eritrea
  • Ethiopia
  • South Sudan
  • Sudan

Duration: 19 days

Time span: March 08 2011 to March 26 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -3.5 °C
  • Mean temperature: 23.5 °C
  • Minimum temperature anomaly: -8.6 °C
  • Minimum temperature: 9.4 °C

Event center: 12.0°N 39.0°E

Area affected: 1463307 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-08_to_2011-Mar-26_39.0_12.0

Cold spell occuring from February 13 2011 to February 17 2011 at 9.0°N 34.0°E

Download data: JSON

Event type: Cold spell

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

  • Ethiopia
  • South Sudan
  • Sudan

Duration: 5 days

Time span: February 13 2011 to February 17 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -3.3 °C
  • Mean temperature: 27.1 °C
  • Minimum temperature anomaly: -5.2 °C
  • Minimum temperature: 22.2 °C

Event center: 9.0°N 34.0°E

Area affected: 335915 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-Feb-13_to_2011-Feb-17_34.0_9.0