Category: Extremes affecting Tanzania, United Republic of

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 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 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 02 2011 to October 06 2011 at -1.5°S 36.5°E

Download data: JSON

Event type: Heat wave

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

  • Kenya
  • Tanzania

Duration: 5 days

Time span: October 02 2011 to October 06 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 1.7 °C
  • Mean temperature: 23.5 °C
  • Maximum temperature anomaly: 2.7 °C
  • Maximum temperature: 30.8 °C

Event center: -1.5°S 36.5°E

Area affected: 148166 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-02_to_2011-Oct-06_36.5_-1.5

Cold spell occuring from September 28 2011 to October 15 2011 at -12.0°S 32.0°E

Download data: JSON

Event type: Cold spell

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

  • Angola
  • Botswana
  • Burundi
  • Congo DRC
  • Lesotho
  • Malawi
  • Mozambique
  • Namibia
  • Rwanda
  • South Africa
  • Tanzania
  • Zambia
  • Zimbabwe

Duration: 18 days

Time span: September 28 2011 to October 15 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -3.9 °C
  • Mean temperature: 20.1 °C
  • Minimum temperature anomaly: -9.0 °C
  • Minimum temperature: 4.0 °C

Event center: -12.0°S 32.0°E

Area affected: 3747016 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-Sep-28_to_2011-Oct-15_32.0_-12.0

Heat wave occuring from September 19 2011 to September 29 2011 at -15.5°S 44.5°E

Download data: JSON

Event type: Heat wave

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

  • Madagascar
  • Malawi
  • Mozambique
  • Tanzania

Duration: 11 days

Time span: September 19 2011 to September 29 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 1.5 °C
  • Mean temperature: 25.5 °C
  • Maximum temperature anomaly: 4.0 °C
  • Maximum temperature: 30.6 °C

Event center: -15.5°S 44.5°E

Area affected: 852578 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-19_to_2011-Sep-29_44.5_-15.5

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

Cold spell occuring from September 15 2011 to September 19 2011 at -2.0°S 33.5°E

Download data: JSON

Event type: Cold spell

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

  • Burundi
  • Congo DRC
  • Kenya
  • Rwanda
  • Tanzania
  • Uganda

Duration: 5 days

Time span: September 15 2011 to September 19 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -1.9 °C
  • Mean temperature: 21.1 °C
  • Minimum temperature anomaly: -4.0 °C
  • Minimum temperature: 14.3 °C

Event center: -2.0°S 33.5°E

Area affected: 203724 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-Sep-15_to_2011-Sep-19_33.5_-2.0

Cold spell occuring from August 16 2011 to August 22 2011 at -11.0°S 38.0°E

Download data: JSON

Event type: Cold spell

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

  • Mozambique
  • Tanzania

Duration: 7 days

Time span: August 16 2011 to August 22 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -1.7 °C
  • Mean temperature: 21.3 °C
  • Minimum temperature anomaly: -2.6 °C
  • Minimum temperature: 18.0 °C

Event center: -11.0°S 38.0°E

Area affected: 106260 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-Aug-16_to_2011-Aug-22_38.0_-11.0