Category: Extremes affecting Antarctica

Heat wave occuring from July 24 2011 to August 07 2011 at -77.0°S 170.0°E

Download data: JSON

Event type: Heat wave

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

  • Antarctica

Duration: 15 days

Time span: July 24 2011 to August 07 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 14.4 °C
  • Mean temperature: -20.8 °C
  • Maximum temperature anomaly: 30.3 °C
  • Maximum temperature: -2.0 °C

Event center: -77.0°S 170.0°E

Area affected: 4280143 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-Jul-24_to_2011-Aug-07_170.0_-77.0

Heat wave occuring from July 24 2011 to July 27 2011 at -75.0°S 353.5°E

Download data: JSON

Event type: Heat wave

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

  • Antarctica

Duration: 4 days

Time span: July 24 2011 to July 27 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 13.2 °C
  • Mean temperature: -27.8 °C
  • Maximum temperature anomaly: 20.3 °C
  • Maximum temperature: -9.5 °C

Event center: -75.0°S 353.5°E

Area affected: 263885 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-Jul-24_to_2011-Jul-27_353.5_-75.0

Heat wave occuring from July 21 2011 to July 24 2011 at -72.0°S 142.5°E

Download data: JSON

Event type: Heat wave

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

  • Antarctica

Duration: 4 days

Time span: July 21 2011 to July 24 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 10.0 °C
  • Mean temperature: -39.0 °C
  • Maximum temperature anomaly: 16.9 °C
  • Maximum temperature: -9.2 °C

Event center: -72.0°S 142.5°E

Area affected: 334269 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-Jul-21_to_2011-Jul-24_142.5_-72.0

Heat wave occuring from July 18 2011 to July 22 2011 at -65.0°S 116.0°E

Download data: JSON

Event type: Heat wave

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

  • Antarctica

Duration: 5 days

Time span: July 18 2011 to July 22 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 9.5 °C
  • Mean temperature: -9.7 °C
  • Maximum temperature anomaly: 16.8 °C
  • Maximum temperature: 0.5 °C

Event center: -65.0°S 116.0°E

Area affected: 307857 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-Jul-18_to_2011-Jul-22_116.0_-65.0

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 July 12 2011 to July 23 2011 at -71.5°S 347.0°E

Download data: JSON

Event type: Cold spell

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

  • Antarctica

Duration: 12 days

Time span: July 12 2011 to July 23 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -9.8 °C
  • Mean temperature: -29.3 °C
  • Minimum temperature anomaly: -14.4 °C
  • Minimum temperature: -39.9 °C

Event center: -71.5°S 347.0°E

Area affected: 1314752 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-12_to_2011-Jul-23_347.0_-71.5

Heat wave occuring from July 08 2011 to July 11 2011 at -84.0°S 275.0°E

Download data: JSON

Event type: Heat wave

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

  • Antarctica

Duration: 4 days

Time span: July 08 2011 to July 11 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 7.1 °C
  • Mean temperature: -29.7 °C
  • Maximum temperature anomaly: 9.9 °C
  • Maximum temperature: -23.9 °C

Event center: -84.0°S 275.0°E

Area affected: 72446 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-Jul-08_to_2011-Jul-11_275.0_-84.0

Cold spell occuring from July 02 2011 to July 14 2011 at -79.5°S 338.5°E

Download data: JSON

Event type: Cold spell

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

  • Antarctica

Duration: 13 days

Time span: July 02 2011 to July 14 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -9.0 °C
  • Mean temperature: -40.6 °C
  • Minimum temperature anomaly: -18.0 °C
  • Minimum temperature: -55.3 °C

Event center: -79.5°S 338.5°E

Area affected: 300095 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-02_to_2011-Jul-14_338.5_-79.5

Heat wave occuring from July 01 2011 to July 24 2011 at -82.0°S 214.0°E

Download data: JSON

Event type: Heat wave

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

  • Antarctica

Duration: 24 days

Time span: July 01 2011 to July 24 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 10.4 °C
  • Mean temperature: -7.6 °C
  • Maximum temperature anomaly: 35.3 °C
  • Maximum temperature: 27.9 °C

Event center: -82.0°S 214.0°E

Area affected: 15689126 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-Jul-01_to_2011-Jul-24_214.0_-82.0

Heat wave occuring from June 26 2011 to July 15 2011 at -52.0°S 353.0°E

Download data: JSON

Event type: Heat wave

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

  • Antarctica
  • South Georgia and the South Sandwich Islands

Duration: 20 days

Time span: June 26 2011 to July 15 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 6.0 °C
  • Mean temperature: -1.7 °C
  • Maximum temperature anomaly: 19.7 °C
  • Maximum temperature: 16.2 °C

Event center: -52.0°S 353.0°E

Area affected: 11527353 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-Jun-26_to_2011-Jul-15_353.0_-52.0