Category: Extremes affecting Antarctica

Cold spell occuring from February 24 2011 to March 05 2011 at -81.0°S 257.0°E

Download data: JSON

Event type: Cold spell

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

  • Antarctica

Duration: 10 days

Time span: February 24 2011 to March 05 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -7.1 °C
  • Mean temperature: -33.4 °C
  • Minimum temperature anomaly: -12.0 °C
  • Minimum temperature: -42.6 °C

Event center: -81.0°S 257.0°E

Area affected: 378630 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-24_to_2011-Mar-05_257.0_-81.0

Heat wave occuring from February 23 2011 to March 02 2011 at -66.0°S 298.5°E

Download data: JSON

Event type: Heat wave

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

  • Antarctica

Duration: 8 days

Time span: February 23 2011 to March 02 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 5.2 °C
  • Mean temperature: 1.0 °C
  • Maximum temperature anomaly: 9.8 °C
  • Maximum temperature: 6.3 °C

Event center: -66.0°S 298.5°E

Area affected: 57973 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-Feb-23_to_2011-Mar-02_298.5_-66.0

Heat wave occuring from February 18 2011 to March 02 2011 at -75.0°S 144.5°E

Download data: JSON

Event type: Heat wave

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

  • Antarctica

Duration: 13 days

Time span: February 18 2011 to March 02 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 8.6 °C
  • Mean temperature: -29.6 °C
  • Maximum temperature anomaly: 19.0 °C
  • Maximum temperature: -0.3 °C

Event center: -75.0°S 144.5°E

Area affected: 1813349 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-Feb-18_to_2011-Mar-02_144.5_-75.0

Heat wave occuring from February 17 2011 to February 20 2011 at -83.0°S 108.0°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: February 17 2011 to February 20 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 5.5 °C
  • Mean temperature: -35.8 °C
  • Maximum temperature anomaly: 8.1 °C
  • Maximum temperature: -32.2 °C

Event center: -83.0°S 108.0°E

Area affected: 178694 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-Feb-17_to_2011-Feb-20_108.0_-83.0

Heat wave occuring from February 16 2011 to February 23 2011 at -65.0°S 158.5°E

Download data: JSON

Event type: Heat wave

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

  • Antarctica

Duration: 8 days

Time span: February 16 2011 to February 23 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 2.4 °C
  • Mean temperature: 3.5 °C
  • Maximum temperature anomaly: 3.8 °C
  • Maximum temperature: 8.5 °C

Event center: -65.0°S 158.5°E

Area affected: 783093 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-Feb-16_to_2011-Feb-23_158.5_-65.0

Heat wave occuring from February 16 2011 to February 20 2011 at -84.0°S 295.0°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: February 16 2011 to February 20 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 4.7 °C
  • Mean temperature: -18.7 °C
  • Maximum temperature anomaly: 7.3 °C
  • Maximum temperature: -13.2 °C

Event center: -84.0°S 295.0°E

Area affected: 129519 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-Feb-16_to_2011-Feb-20_295.0_-84.0

Cold spell occuring from February 09 2011 to February 14 2011 at -80.0°S 191.5°E

Download data: JSON

Event type: Cold spell

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

  • Antarctica

Duration: 6 days

Time span: February 09 2011 to February 14 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -6.6 °C
  • Mean temperature: -21.9 °C
  • Minimum temperature anomaly: -9.3 °C
  • Minimum temperature: -25.6 °C

Event center: -80.0°S 191.5°E

Area affected: 154174 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-09_to_2011-Feb-14_191.5_-80.0

Cold spell occuring from February 08 2011 to February 14 2011 at -70.5°S 254.5°E

Download data: JSON

Event type: Cold spell

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

  • Antarctica

Duration: 7 days

Time span: February 08 2011 to February 14 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -2.2 °C
  • Mean temperature: -2.7 °C
  • Minimum temperature anomaly: -6.2 °C
  • Minimum temperature: -12.0 °C

Event center: -70.5°S 254.5°E

Area affected: 597289 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-08_to_2011-Feb-14_254.5_-70.5

Cold spell occuring from February 04 2011 to February 09 2011 at -67.5°S 123.0°E

Download data: JSON

Event type: Cold spell

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

  • Antarctica

Duration: 6 days

Time span: February 04 2011 to February 09 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -5.6 °C
  • Mean temperature: -23.4 °C
  • Minimum temperature anomaly: -7.3 °C
  • Minimum temperature: -31.2 °C

Event center: -67.5°S 123.0°E

Area affected: 109529 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-04_to_2011-Feb-09_123.0_-67.5

Heat wave occuring from January 30 2011 to February 06 2011 at -82.5°S 297.0°E

Download data: JSON

Event type: Heat wave

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

  • Antarctica

Duration: 8 days

Time span: January 30 2011 to February 06 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 5.6 °C
  • Mean temperature: -19.7 °C
  • Maximum temperature anomaly: 9.4 °C
  • Maximum temperature: -1.3 °C

Event center: -82.5°S 297.0°E

Area affected: 333714 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-Jan-30_to_2011-Feb-06_297.0_-82.5