Heat wave occuring from June 02 2011 to June 14 2011 at 24.0°N 12.5°E

Download data: JSON

Event type: Heat wave

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

  • Algeria
  • Cameroon
  • Central African Republic
  • Chad
  • Cyprus
  • Egypt
  • Libya
  • Mali
  • Niger
  • Nigeria
  • South Sudan
  • Sudan

Duration: 13 days

Time span: June 02 2011 to June 14 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 3.5 °C
  • Mean temperature: 33.4 °C
  • Maximum temperature anomaly: 10.3 °C
  • Maximum temperature: 39.0 °C

Event center: 24.0°N 12.5°E

Area affected: 2917373 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-02_to_2011-Jun-14_12.5_24.0

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 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

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 May 01 2011 to May 03 2011 at 16.0°N 37.0°E

Download data: JSON

Event type: Cold spell

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

  • Eritrea
  • Sudan

Duration: 3 days

Time span: May 01 2011 to May 03 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -3.0 °C
  • Mean temperature: 30.7 °C
  • Minimum temperature anomaly: -3.7 °C
  • Minimum temperature: 28.0 °C

Event center: 16.0°N 37.0°E

Area affected: 68195 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-May-01_to_2011-May-03_37.0_16.0

Cold spell occuring from April 30 2011 to May 29 2011 at 21.5°N 37.5°E

Download data: JSON

Event type: Cold spell

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

  • Austria
  • Belarus
  • Bosnia and Herzegovina
  • Bulgaria
  • Chad
  • Croatia
  • Cyprus
  • Czech Republic
  • Denmark
  • Djibouti
  • Egypt
  • Eritrea
  • Estonia
  • Ethiopia
  • Finland
  • Georgia
  • Germany
  • Greece
  • Hungary
  • Iraq
  • Israel
  • Jordan
  • Latvia
  • Lebanon
  • Libya
  • Lithuania
  • Moldova
  • Niger
  • North Macedonia
  • Palestinian Territory
  • Poland
  • Romania
  • Russian Federation
  • Saudi Arabia
  • Serbia
  • Slovakia
  • Slovenia
  • Somalia
  • Sudan
  • Sweden
  • Syria
  • Turkiye
  • Ukraine
  • Yemen

Duration: 30 days

Time span: April 30 2011 to May 29 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -3.9 °C
  • Mean temperature: 19.9 °C
  • Minimum temperature anomaly: -11.0 °C
  • Minimum temperature: 0.0 °C

Event center: 21.5°N 37.5°E

Area affected: 13397634 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-Apr-30_to_2011-May-29_37.5_21.5

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

Cold spell occuring from April 06 2011 to April 08 2011 at 13.0°N 33.0°E

Download data: JSON

Event type: Cold spell

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

  • South Sudan
  • Sudan

Duration: 3 days

Time span: April 06 2011 to April 08 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -3.4 °C
  • Mean temperature: 29.3 °C
  • Minimum temperature anomaly: -4.4 °C
  • Minimum temperature: 25.9 °C

Event center: 13.0°N 33.0°E

Area affected: 72358 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-Apr-06_to_2011-Apr-08_33.0_13.0

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

Cold spell occuring from March 26 2011 to March 31 2011 at 11.5°N 18.5°E

Download data: JSON

Event type: Cold spell

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

  • Central African Republic
  • Chad
  • Sudan

Duration: 6 days

Time span: March 26 2011 to March 31 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -3.6 °C
  • Mean temperature: 25.6 °C
  • Minimum temperature anomaly: -6.2 °C
  • Minimum temperature: 16.0 °C

Event center: 11.5°N 18.5°E

Area affected: 622429 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-26_to_2011-Mar-31_18.5_11.5