Category: Extremes affecting Botswana

Cold spell occuring from February 25 2011 to March 14 2011 at -20.5°S 18.0°E

Download data: JSON

Event type: Cold spell

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

  • Angola
  • Botswana
  • Namibia
  • Zambia

Duration: 18 days

Time span: February 25 2011 to March 14 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -3.3 °C
  • Mean temperature: 20.7 °C
  • Minimum temperature anomaly: -6.1 °C
  • Minimum temperature: 16.1 °C

Event center: -20.5°S 18.0°E

Area affected: 884839 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-Feb-25_to_2011-Mar-14_18.0_-20.5

Cold spell occuring from January 31 2011 to February 06 2011 at -26.0°S 27.0°E

Download data: JSON

Event type: Cold spell

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

  • Botswana
  • South Africa
  • Zimbabwe

Duration: 7 days

Time span: January 31 2011 to February 06 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -3.2 °C
  • Mean temperature: 20.5 °C
  • Minimum temperature anomaly: -5.9 °C
  • Minimum temperature: 15.5 °C

Event center: -26.0°S 27.0°E

Area affected: 440880 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-Jan-31_to_2011-Feb-06_27.0_-26.0

Cold spell occuring from January 27 2011 to February 01 2011 at -17.0°S 27.0°E

Download data: JSON

Event type: Cold spell

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

  • Botswana
  • Mozambique
  • South Africa
  • Zambia
  • Zimbabwe

Duration: 6 days

Time span: January 27 2011 to February 01 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -2.7 °C
  • Mean temperature: 21.1 °C
  • Minimum temperature anomaly: -4.3 °C
  • Minimum temperature: 16.8 °C

Event center: -17.0°S 27.0°E

Area affected: 397224 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-Jan-27_to_2011-Feb-01_27.0_-17.0

Cold spell occuring from January 14 2011 to February 11 2011 at -22.5°S 16.0°E

Download data: JSON

Event type: Cold spell

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

  • Angola
  • Botswana
  • Namibia

Duration: 29 days

Time span: January 14 2011 to February 11 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -4.1 °C
  • Mean temperature: 20.7 °C
  • Minimum temperature anomaly: -7.2 °C
  • Minimum temperature: 15.5 °C

Event center: -22.5°S 16.0°E

Area affected: 685273 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-Jan-14_to_2011-Feb-11_16.0_-22.5

Cold spell occuring from January 13 2011 to January 18 2011 at -22.5°S 23.5°E

Download data: JSON

Event type: Cold spell

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

  • Botswana

Duration: 6 days

Time span: January 13 2011 to January 18 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -3.8 °C
  • Mean temperature: 22.5 °C
  • Minimum temperature anomaly: -4.8 °C
  • Minimum temperature: 21.4 °C

Event center: -22.5°S 23.5°E

Area affected: 65511 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-Jan-13_to_2011-Jan-18_23.5_-22.5

Cold spell occuring from January 05 2011 to January 09 2011 at -24.5°S 27.0°E

Download data: JSON

Event type: Cold spell

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

  • Botswana
  • South Africa
  • Zimbabwe

Duration: 5 days

Time span: January 05 2011 to January 09 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -4.6 °C
  • Mean temperature: 20.0 °C
  • Minimum temperature anomaly: -7.2 °C
  • Minimum temperature: 15.8 °C

Event center: -24.5°S 27.0°E

Area affected: 435833 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-Jan-05_to_2011-Jan-09_27.0_-24.5

Cold spell occuring from December 29 2010 to January 03 2011 at -19.0°S 15.0°E

Download data: JSON

Event type: Cold spell

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

  • Angola
  • Botswana
  • Namibia

Duration: 6 days

Time span: December 29 2010 to January 03 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -3.8 °C
  • Mean temperature: 21.3 °C
  • Minimum temperature anomaly: -5.4 °C
  • Minimum temperature: 19.0 °C

Event center: -19.0°S 15.0°E

Area affected: 349683 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_2010-Dec-29_to_2011-Jan-03_15.0_-19.0

Cold spell occuring from December 14 2010 to December 18 2010 at -21.5°S 17.0°E

Download data: JSON

Event type: Cold spell

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

  • Botswana
  • Namibia
  • South Africa

Duration: 5 days

Time span: December 14 2010 to December 18 2010

Statistics over entire affected area:

  • Mean temperature anomaly: -5.0 °C
  • Mean temperature: 20.8 °C
  • Minimum temperature anomaly: -7.7 °C
  • Minimum temperature: 15.7 °C

Event center: -21.5°S 17.0°E

Area affected: 410541 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_2010-Dec-14_to_2010-Dec-18_17.0_-21.5

Cold spell occuring from November 22 2010 to November 28 2010 at -21.0°S 19.0°E

Download data: JSON

Event type: Cold spell

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

  • Angola
  • Botswana
  • Namibia

Duration: 7 days

Time span: November 22 2010 to November 28 2010

Statistics over entire affected area:

  • Mean temperature anomaly: -3.8 °C
  • Mean temperature: 22.0 °C
  • Minimum temperature anomaly: -5.6 °C
  • Minimum temperature: 19.1 °C

Event center: -21.0°S 19.0°E

Area affected: 227947 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_2010-Nov-22_to_2010-Nov-28_19.0_-21.0

Cold spell occuring from November 14 2010 to November 21 2010 at -21.5°S 17.0°E

Download data: JSON

Event type: Cold spell

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

  • Botswana
  • Namibia

Duration: 8 days

Time span: November 14 2010 to November 21 2010

Statistics over entire affected area:

  • Mean temperature anomaly: -4.4 °C
  • Mean temperature: 20.8 °C
  • Minimum temperature anomaly: -5.8 °C
  • Minimum temperature: 17.0 °C

Event center: -21.5°S 17.0°E

Area affected: 330808 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_2010-Nov-14_to_2010-Nov-21_17.0_-21.5