Category: Heat waves affecting Botswana

5 heat waves identified in Botswana since 2020

Heat wave occuring from January 01 2012 to January 12 2012 at -23.5°S 18.5°E

Download data: JSON

Event type: Heat wave

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

  • Botswana
  • Namibia
  • South Africa

Duration: 12 days

Time span: January 01 2012 to January 12 2012

Statistics over entire affected area:

  • Mean temperature anomaly: 4.6 °C
  • Mean temperature: 31.3 °C
  • Maximum temperature anomaly: 6.8 °C
  • Maximum temperature: 35.1 °C

Event center: -23.5°S 18.5°E

Area affected: 455991 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-12_18.5_-23.5

Heat wave occuring from November 17 2011 to November 21 2011 at -19.5°S 29.0°E

Download data: JSON

Event type: Heat wave

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

  • Botswana
  • South Africa
  • Zimbabwe

Duration: 5 days

Time span: November 17 2011 to November 21 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 4.5 °C
  • Mean temperature: 28.8 °C
  • Maximum temperature anomaly: 5.7 °C
  • Maximum temperature: 32.7 °C

Event center: -19.5°S 29.0°E

Area affected: 153232 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-Nov-17_to_2011-Nov-21_29.0_-19.5

Heat wave occuring from November 08 2011 to November 22 2011 at -21.0°S 25.5°E

Download data: JSON

Event type: Heat wave

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

  • Botswana
  • Eswatini
  • Lesotho
  • Mozambique
  • Namibia
  • South Africa
  • Zambia
  • Zimbabwe

Duration: 15 days

Time span: November 08 2011 to November 22 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 4.3 °C
  • Mean temperature: 29.5 °C
  • Maximum temperature anomaly: 8.3 °C
  • Maximum temperature: 34.8 °C

Event center: -21.0°S 25.5°E

Area affected: 1191487 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-Nov-08_to_2011-Nov-22_25.5_-21.0

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

Heat wave occuring from May 12 2011 to May 23 2011 at -26.0°S 32.0°E

Download data: JSON

Event type: Heat wave

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

  • Botswana
  • Eswatini
  • Malawi
  • Mozambique
  • South Africa
  • Zambia
  • Zimbabwe

Duration: 12 days

Time span: May 12 2011 to May 23 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 2.3 °C
  • Mean temperature: 23.9 °C
  • Maximum temperature anomaly: 5.3 °C
  • Maximum temperature: 27.7 °C

Event center: -26.0°S 32.0°E

Area affected: 1300601 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-12_to_2011-May-23_32.0_-26.0

Heat wave occuring from March 27 2011 to March 31 2011 at -28.5°S 20.5°E

Download data: JSON

Event type: Heat wave

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

  • Botswana
  • Namibia
  • South Africa

Duration: 5 days

Time span: March 27 2011 to March 31 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 4.7 °C
  • Mean temperature: 27.0 °C
  • Maximum temperature anomaly: 8.1 °C
  • Maximum temperature: 30.6 °C

Event center: -28.5°S 20.5°E

Area affected: 281534 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-27_to_2011-Mar-31_20.5_-28.5

Heat wave occuring from March 18 2011 to March 31 2011 at -20.5°S 33.5°E

Download data: JSON

Event type: Heat wave

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

  • Botswana
  • Eswatini
  • Malawi
  • Mozambique
  • South Africa
  • Zimbabwe

Duration: 14 days

Time span: March 18 2011 to March 31 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 2.4 °C
  • Mean temperature: 27.9 °C
  • Maximum temperature anomaly: 6.0 °C
  • Maximum temperature: 32.4 °C

Event center: -20.5°S 33.5°E

Area affected: 1295719 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-18_to_2011-Mar-31_33.5_-20.5

Heat wave occuring from October 09 2010 to October 16 2010 at -18.0°S 32.0°E

Download data: JSON

Event type: Heat wave

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

  • Botswana
  • South Africa
  • Zambia
  • Zimbabwe

Duration: 8 days

Time span: October 09 2010 to October 16 2010

Statistics over entire affected area:

  • Mean temperature anomaly: 4.2 °C
  • Mean temperature: 28.7 °C
  • Maximum temperature anomaly: 8.5 °C
  • Maximum temperature: 32.2 °C

Event center: -18.0°S 32.0°E

Area affected: 362653 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_2010-Oct-09_to_2010-Oct-16_32.0_-18.0

Heat wave occuring from September 28 2010 to October 10 2010 at -20.0°S 15.5°E

Download data: JSON

Event type: Heat wave

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

  • Botswana
  • Eswatini
  • Lesotho
  • Mozambique
  • Namibia
  • South Africa

Duration: 13 days

Time span: September 28 2010 to October 10 2010

Statistics over entire affected area:

  • Mean temperature anomaly: 5.3 °C
  • Mean temperature: 26.2 °C
  • Maximum temperature anomaly: 10.0 °C
  • Maximum temperature: 30.9 °C

Event center: -20.0°S 15.5°E

Area affected: 1072343 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_2010-Sep-28_to_2010-Oct-10_15.5_-20.0

Heat wave occuring from July 23 2010 to August 08 2010 at -31.0°S 19.5°E

Download data: JSON

Event type: Heat wave

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

  • Botswana
  • Namibia
  • South Africa

Duration: 17 days

Time span: July 23 2010 to August 08 2010

Statistics over entire affected area:

  • Mean temperature anomaly: 5.5 °C
  • Mean temperature: 17.8 °C
  • Maximum temperature anomaly: 11.4 °C
  • Maximum temperature: 23.6 °C

Event center: -31.0°S 19.5°E

Area affected: 910524 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_2010-Jul-23_to_2010-Aug-08_19.5_-31.0