Heat wave occuring from January 12 2012 to January 24 2012 at -4.0°S 37.5°E

Download data: JSON

Event type: Heat wave

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

  • Kenya
  • Tanzania

Duration: 13 days

Time span: January 12 2012 to January 24 2012

Statistics over entire affected area:

  • Mean temperature anomaly: 1.9 °C
  • Mean temperature: 25.5 °C
  • Maximum temperature anomaly: 3.2 °C
  • Maximum temperature: 29.2 °C

Event center: -4.0°S 37.5°E

Area affected: 117265 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_2012-Jan-12_to_2012-Jan-24_37.5_-4.0

Heat wave occuring from January 01 2012 to January 10 2012 at -4.0°S 37.5°E

Download data: JSON

Event type: Heat wave

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

  • Kenya
  • Tanzania

Duration: 10 days

Time span: January 01 2012 to January 10 2012

Statistics over entire affected area:

  • Mean temperature anomaly: 1.7 °C
  • Mean temperature: 24.9 °C
  • Maximum temperature anomaly: 3.0 °C
  • Maximum temperature: 28.7 °C

Event center: -4.0°S 37.5°E

Area affected: 83331 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_2012-Jan-01_to_2012-Jan-10_37.5_-4.0

Cold spell occuring from December 29 2011 to January 04 2012 at -0.5°S 36.0°E

Download data: JSON

Event type: Cold spell

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

  • Kenya

Duration: 7 days

Time span: December 29 2011 to January 04 2012

Statistics over entire affected area:

  • Mean temperature anomaly: -1.7 °C
  • Mean temperature: 17.1 °C
  • Minimum temperature anomaly: -3.1 °C
  • Minimum temperature: 11.6 °C

Event center: -0.5°S 36.0°E

Area affected: 55634 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-Dec-29_to_2012-Jan-04_36.0_-0.5

Cold spell occuring from December 26 2011 to January 03 2012 at 3.5°N 42.0°E

Download data: JSON

Event type: Cold spell

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

  • Ethiopia
  • Kenya
  • Somalia

Duration: 9 days

Time span: December 26 2011 to January 03 2012

Statistics over entire affected area:

  • Mean temperature anomaly: -1.7 °C
  • Mean temperature: 27.2 °C
  • Minimum temperature anomaly: -2.5 °C
  • Minimum temperature: 23.2 °C

Event center: 3.5°N 42.0°E

Area affected: 70964 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-Dec-26_to_2012-Jan-03_42.0_3.5

Cold spell occuring from November 29 2011 to December 05 2011 at 2.5°N 42.0°E

Download data: JSON

Event type: Cold spell

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

  • Ethiopia
  • Kenya
  • Somalia

Duration: 7 days

Time span: November 29 2011 to December 05 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -2.2 °C
  • Mean temperature: 25.2 °C
  • Minimum temperature anomaly: -3.5 °C
  • Minimum temperature: 22.0 °C

Event center: 2.5°N 42.0°E

Area affected: 160377 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-Nov-29_to_2011-Dec-05_42.0_2.5

Cold spell occuring from November 23 2011 to December 13 2011 at 2.5°N 34.5°E

Download data: JSON

Event type: Cold spell

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

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

Duration: 21 days

Time span: November 23 2011 to December 13 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -2.8 °C
  • Mean temperature: 22.5 °C
  • Minimum temperature anomaly: -5.9 °C
  • Minimum temperature: 13.2 °C

Event center: 2.5°N 34.5°E

Area affected: 814277 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-Nov-23_to_2011-Dec-13_34.5_2.5

Cold spell occuring from October 27 2011 to November 16 2011 at 3.0°N 36.0°E

Download data: JSON

Event type: Cold spell

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

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

Duration: 21 days

Time span: October 27 2011 to November 16 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -2.7 °C
  • Mean temperature: 22.8 °C
  • Minimum temperature anomaly: -6.0 °C
  • Minimum temperature: 13.4 °C

Event center: 3.0°N 36.0°E

Area affected: 705643 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-Oct-27_to_2011-Nov-16_36.0_3.0

Heat wave occuring from October 20 2011 to November 04 2011 at -10.5°S 36.5°E

Download data: JSON

Event type: Heat wave

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

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

Duration: 16 days

Time span: October 20 2011 to November 04 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 3.2 °C
  • Mean temperature: 28.7 °C
  • Maximum temperature anomaly: 8.6 °C
  • Maximum temperature: 36.5 °C

Event center: -10.5°S 36.5°E

Area affected: 2367975 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-20_to_2011-Nov-04_36.5_-10.5

Cold spell occuring from October 07 2011 to October 21 2011 at 0.5°N 41.0°E

Download data: JSON

Event type: Cold spell

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

  • Ethiopia
  • Kenya
  • Somalia
  • Tanzania

Duration: 15 days

Time span: October 07 2011 to October 21 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -2.3 °C
  • Mean temperature: 24.1 °C
  • Minimum temperature anomaly: -5.4 °C
  • Minimum temperature: 14.3 °C

Event center: 0.5°N 41.0°E

Area affected: 1155383 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-Oct-07_to_2011-Oct-21_41.0_0.5

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