Category: Extremes affecting Tanzania, United Republic of

Heat wave occuring from January 18 2023 to February 11 2023 at -1.0°S 35.0°E

Download data: JSON

Event type: Heat wave

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

  • Kenya
  • Tanzania, United Republic of
  • Uganda

Duration: 25 days

Time span: January 18 2023 to February 11 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 1.9 °C
  • Mean temperature: 24.6 °C
  • Maximum temperature anomaly: 3.2 °C
  • Maximum temperature: 31.7 °C

Event center: -1.0°S 35.0°E

Area affected: 281066 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_2023-Jan-18_to_2023-Feb-11_35.0_-1.0

Heat wave occuring from December 30 2022 to January 10 2023 at 5.5°N 23.5°E

Download data: JSON

Event type: Heat wave

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

  • Burundi
  • Central African Republic
  • Chad
  • Congo
  • Congo, The Democratic Republic of the
  • Rwanda
  • Tanzania, United Republic of
  • Zambia

Duration: 12 days

Time span: December 30 2022 to January 10 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 2.3 °C
  • Mean temperature: 27.0 °C
  • Maximum temperature anomaly: 4.4 °C
  • Maximum temperature: 30.9 °C

Event center: 5.5°N 23.5°E

Area affected: 1170330 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_2022-Dec-30_to_2023-Jan-10_23.5_5.5

Cold spell occuring from December 20 2022 to January 01 2023 at -11.0°S 34.5°E

Download data: JSON

Event type: Cold spell

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

  • Angola
  • Congo, The Democratic Republic of the
  • Malawi
  • Mozambique
  • Tanzania, United Republic of
  • Zambia
  • Zimbabwe

Duration: 13 days

Time span: December 20 2022 to January 01 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -2.4 °C
  • Mean temperature: 21.7 °C
  • Minimum temperature anomaly: -5.4 °C
  • Minimum temperature: 15.5 °C

Event center: -11.0°S 34.5°E

Area affected: 1514073 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_2022-Dec-20_to_2023-Jan-01_34.5_-11.0

Heat wave occuring from December 17 2022 to December 21 2022 at -5.5°S 38.5°E

Download data: JSON

Event type: Heat wave

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

  • Kenya
  • Tanzania, United Republic of

Duration: 5 days

Time span: December 17 2022 to December 21 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 1.5 °C
  • Mean temperature: 27.5 °C
  • Maximum temperature anomaly: 2.2 °C
  • Maximum temperature: 31.2 °C

Event center: -5.5°S 38.5°E

Area affected: 104564 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_2022-Dec-17_to_2022-Dec-21_38.5_-5.5

Heat wave occuring from November 26 2022 to December 11 2022 at -1.5°S 35.5°E

Download data: JSON

Event type: Heat wave

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

  • Kenya
  • Tanzania, United Republic of

Duration: 16 days

Time span: November 26 2022 to December 11 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 1.8 °C
  • Mean temperature: 25.5 °C
  • Maximum temperature anomaly: 4.3 °C
  • Maximum temperature: 31.2 °C

Event center: -1.5°S 35.5°E

Area affected: 338987 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_2022-Nov-26_to_2022-Dec-11_35.5_-1.5

Heat wave occuring from November 20 2022 to November 23 2022 at -6.0°S 38.0°E

Download data: JSON

Event type: Heat wave

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

  • Kenya
  • Tanzania, United Republic of

Duration: 4 days

Time span: November 20 2022 to November 23 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 1.7 °C
  • Mean temperature: 28.0 °C
  • Maximum temperature anomaly: 2.4 °C
  • Maximum temperature: 30.7 °C

Event center: -6.0°S 38.0°E

Area affected: 70601 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_2022-Nov-20_to_2022-Nov-23_38.0_-6.0

Heat wave occuring from October 04 2022 to October 17 2022 at -8.0°S 21.0°E

Download data: JSON

Event type: Heat wave

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

  • Angola
  • Burundi
  • Congo
  • Congo, The Democratic Republic of the
  • Rwanda
  • Tanzania, United Republic of
  • Uganda

Duration: 14 days

Time span: October 04 2022 to October 17 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 2.2 °C
  • Mean temperature: 25.9 °C
  • Maximum temperature anomaly: 4.8 °C
  • Maximum temperature: 30.6 °C

Event center: -8.0°S 21.0°E

Area affected: 1624076 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_2022-Oct-04_to_2022-Oct-17_21.0_-8.0

Cold spell occuring from September 22 2022 to October 30 2022 at -9.0°S 39.5°E

Download data: JSON

Event type: Cold spell

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

  • Kenya
  • Madagascar
  • Mozambique
  • Seychelles
  • Tanzania, United Republic of

Duration: 39 days

Time span: September 22 2022 to October 30 2022

Statistics over entire affected area:

  • Mean temperature anomaly: -1.0 °C
  • Mean temperature: 24.0 °C
  • Minimum temperature anomaly: -3.5 °C
  • Minimum temperature: 13.5 °C

Event center: -9.0°S 39.5°E

Area affected: 3847361 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_2022-Sep-22_to_2022-Oct-30_39.5_-9.0

Heat wave occuring from September 11 2022 to September 13 2022 at -4.0°S 33.5°E

Download data: JSON

Event type: Heat wave

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

  • Kenya
  • Tanzania, United Republic of

Duration: 3 days

Time span: September 11 2022 to September 13 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 1.5 °C
  • Mean temperature: 25.0 °C
  • Maximum temperature anomaly: 2.1 °C
  • Maximum temperature: 28.9 °C

Event center: -4.0°S 33.5°E

Area affected: 64778 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_2022-Sep-11_to_2022-Sep-13_33.5_-4.0

Cold spell occuring from August 30 2022 to September 04 2022 at -15.5°S 24.5°E

Download data: JSON

Event type: Cold spell

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

  • Botswana
  • Eswatini
  • Malawi
  • Mozambique
  • South Africa
  • Tanzania, United Republic of
  • Zambia
  • Zimbabwe

Duration: 6 days

Time span: August 30 2022 to September 04 2022

Statistics over entire affected area:

  • Mean temperature anomaly: -3.6 °C
  • Mean temperature: 17.9 °C
  • Minimum temperature anomaly: -6.8 °C
  • Minimum temperature: 9.6 °C

Event center: -15.5°S 24.5°E

Area affected: 1227872 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_2022-Aug-30_to_2022-Sep-04_24.5_-15.5