Heat wave occuring from July 23 2011 to August 03 2011 at -3.5°S 36.0°E

Download data: JSON

Event type: Heat wave

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

  • Kenya
  • Tanzania

Duration: 12 days

Time span: July 23 2011 to August 03 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 1.8 °C
  • Mean temperature: 22.4 °C
  • Maximum temperature anomaly: 3.3 °C
  • Maximum temperature: 27.9 °C

Event center: -3.5°S 36.0°E

Area affected: 227990 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-23_to_2011-Aug-03_36.0_-3.5

Cold spell occuring from July 05 2011 to July 22 2011 at -25.0°S 34.5°E

Download data: JSON

Event type: Cold spell

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

  • Angola
  • Botswana
  • Congo DRC
  • Malawi
  • Mozambique
  • South Africa
  • Tanzania
  • Zambia
  • Zimbabwe

Duration: 18 days

Time span: July 05 2011 to July 22 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -2.2 °C
  • Mean temperature: 17.1 °C
  • Minimum temperature anomaly: -5.0 °C
  • Minimum temperature: 8.0 °C

Event center: -25.0°S 34.5°E

Area affected: 2240506 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-Jul-05_to_2011-Jul-22_34.5_-25.0

Heat wave occuring from June 24 2011 to July 05 2011 at -6.0°S 29.5°E

Download data: JSON

Event type: Heat wave

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

  • Congo DRC
  • Tanzania

Duration: 12 days

Time span: June 24 2011 to July 05 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 1.1 °C
  • Mean temperature: 23.9 °C
  • Maximum temperature anomaly: 2.1 °C
  • Maximum temperature: 26.7 °C

Event center: -6.0°S 29.5°E

Area affected: 52232 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-24_to_2011-Jul-05_29.5_-6.0

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 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 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

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 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 19 2011 to March 23 2011 at 0.5°N 31.5°E

Download data: JSON

Event type: Cold spell

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

  • Tanzania
  • Uganda

Duration: 5 days

Time span: March 19 2011 to March 23 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -2.0 °C
  • Mean temperature: 21.5 °C
  • Minimum temperature anomaly: -3.5 °C
  • Minimum temperature: 19.0 °C

Event center: 0.5°N 31.5°E

Area affected: 71076 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-19_to_2011-Mar-23_31.5_0.5

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