Category: Cold spells affecting South Georgia and the South Sandwich Islands

2 cold spells identified in South Georgia and the South Sandwich Islands since 2020

Cold spell occuring from March 21 2012 to March 26 2012 at -54.5°S 313.5°E

Download data: JSON

Event type: Cold spell

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

  • South Georgia and the South Sandwich Islands

Duration: 6 days

Time span: March 21 2012 to March 26 2012

Statistics over entire affected area:

  • Mean temperature anomaly: -3.1 °C
  • Mean temperature: -1.0 °C
  • Minimum temperature anomaly: -6.8 °C
  • Minimum temperature: -9.8 °C

Event center: -54.5°S 313.5°E

Area affected: 911958 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_2012-Mar-21_to_2012-Mar-26_313.5_-54.5

Cold spell occuring from March 05 2012 to March 12 2012 at -61.5°S 348.5°E

Download data: JSON

Event type: Cold spell

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

  • South Georgia and the South Sandwich Islands

Duration: 8 days

Time span: March 05 2012 to March 12 2012

Statistics over entire affected area:

  • Mean temperature anomaly: -1.7 °C
  • Mean temperature: -1.5 °C
  • Minimum temperature anomaly: -5.5 °C
  • Minimum temperature: -9.2 °C

Event center: -61.5°S 348.5°E

Area affected: 1673582 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_2012-Mar-05_to_2012-Mar-12_348.5_-61.5

Cold spell occuring from February 02 2012 to February 29 2012 at -56.0°S 283.5°E

Download data: JSON

Event type: Cold spell

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

  • Antarctica
  • Argentina
  • Chile
  • Falkland Islands
  • South Georgia and the South Sandwich Islands

Duration: 28 days

Time span: February 02 2012 to February 29 2012

Statistics over entire affected area:

  • Mean temperature anomaly: -2.7 °C
  • Mean temperature: 1.1 °C
  • Minimum temperature anomaly: -11.3 °C
  • Minimum temperature: -25.5 °C

Event center: -56.0°S 283.5°E

Area affected: 13266136 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_2012-Feb-02_to_2012-Feb-29_283.5_-56.0

Cold spell occuring from January 14 2012 to January 19 2012 at -62.0°S 333.0°E

Download data: JSON

Event type: Cold spell

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

  • South Georgia and the South Sandwich Islands

Duration: 6 days

Time span: January 14 2012 to January 19 2012

Statistics over entire affected area:

  • Mean temperature anomaly: -1.5 °C
  • Mean temperature: 0.1 °C
  • Minimum temperature anomaly: -3.6 °C
  • Minimum temperature: -1.9 °C

Event center: -62.0°S 333.0°E

Area affected: 1226941 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_2012-Jan-14_to_2012-Jan-19_333.0_-62.0

Cold spell occuring from December 22 2011 to February 05 2012 at -63.5°S 5.0°E

Download data: JSON

Event type: Cold spell

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

  • Antarctica
  • South Georgia and the South Sandwich Islands

Duration: 46 days

Time span: December 22 2011 to February 05 2012

Statistics over entire affected area:

  • Mean temperature anomaly: -1.9 °C
  • Mean temperature: -3.8 °C
  • Minimum temperature anomaly: -11.5 °C
  • Minimum temperature: -28.5 °C

Event center: -63.5°S 365.0°E

Area affected: 9343533 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-22_to_2012-Feb-05_5.0_-63.5

Cold spell occuring from September 01 2011 to October 16 2011 at -72.5°S 285.5°E

Download data: JSON

Event type: Cold spell

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

  • Antarctica
  • Falkland Islands
  • South Georgia and the South Sandwich Islands

Duration: 46 days

Time span: September 01 2011 to October 16 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -10.4 °C
  • Mean temperature: -33.6 °C
  • Minimum temperature anomaly: -31.4 °C
  • Minimum temperature: -69.4 °C

Event center: -72.5°S 285.5°E

Area affected: 20952722 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-01_to_2011-Oct-16_285.5_-72.5

Cold spell occuring from July 27 2011 to July 31 2011 at -54.0°S 322.5°E

Download data: JSON

Event type: Cold spell

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

  • South Georgia and the South Sandwich Islands

Duration: 5 days

Time span: July 27 2011 to July 31 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -3.7 °C
  • Mean temperature: -5.1 °C
  • Minimum temperature anomaly: -6.3 °C
  • Minimum temperature: -11.1 °C

Event center: -54.0°S 322.5°E

Area affected: 87929 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-Jul-27_to_2011-Jul-31_322.5_-54.0

Cold spell occuring from July 17 2011 to August 11 2011 at -61.5°S 305.0°E

Download data: JSON

Event type: Cold spell

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

  • Antarctica
  • Chile
  • Falkland Islands
  • South Georgia and the South Sandwich Islands

Duration: 26 days

Time span: July 17 2011 to August 11 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -8.9 °C
  • Mean temperature: -17.5 °C
  • Minimum temperature anomaly: -20.3 °C
  • Minimum temperature: -54.1 °C

Event center: -61.5°S 305.0°E

Area affected: 10954168 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-Jul-17_to_2011-Aug-11_305.0_-61.5

Cold spell occuring from August 09 2026 to August 17 2026 at -55.5°S 332.0°E

Download data: JSON

Event type: Cold spell

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

  • South Georgia and the South Sandwich Islands

Duration: 9 days

Time span: August 09 2026 to August 17 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -6.7 °C
  • Mean temperature: -9.1 °C
  • Minimum temperature anomaly: -15.1 °C
  • Minimum temperature: -26.6 °C

Event center: -55.5°S 332.0°E

Area affected: 2776826 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_2026-Aug-09_to_2026-Aug-17_332.0_-55.5

Cold spell occuring from July 25 2026 to August 06 2026 at -75.5°S 319.0°E

Download data: JSON

Event type: Cold spell

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

  • Antarctica
  • South Georgia and the South Sandwich Islands

Duration: 13 days

Time span: July 25 2026 to August 06 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -8.6 °C
  • Mean temperature: -24.8 °C
  • Minimum temperature anomaly: -18.1 °C
  • Minimum temperature: -52.5 °C

Event center: -75.5°S 319.0°E

Area affected: 3662805 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_2026-Jul-25_to_2026-Aug-06_319.0_-75.5