Category: Extremes affecting Antarctica

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 5 days

Time span: April 22 2011 to April 26 2011

Statistics over entire affected area:

• Mean temperature anomaly: -11.4 °C
• Mean temperature: -39.0 °C
• Minimum temperature anomaly: -15.4 °C
• Minimum temperature: -49.9 °C

Event center: -78.0°S 189.5°E

Area affected: 138995 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-Apr-22_to_2011-Apr-26_189.5_-78.0

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 9 days

Time span: April 20 2011 to April 28 2011

Statistics over entire affected area:

• Mean temperature anomaly: -7.9 °C
• Mean temperature: -66.9 °C
• Minimum temperature anomaly: -11.4 °C
• Minimum temperature: -70.4 °C

Event center: -79.0°S 40.0°E

Area affected: 100018 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-Apr-20_to_2011-Apr-28_40.0_-79.0

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 7 days

Time span: April 18 2011 to April 24 2011

Statistics over entire affected area:

• Mean temperature anomaly: -11.2 °C
• Mean temperature: -37.7 °C
• Minimum temperature anomaly: -17.8 °C
• Minimum temperature: -47.1 °C

Event center: -76.0°S 235.5°E

Area affected: 844862 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-Apr-18_to_2011-Apr-24_235.5_-76.0

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 6 days

Time span: April 18 2011 to April 23 2011

Statistics over entire affected area:

• Mean temperature anomaly: -10.6 °C
• Mean temperature: -43.7 °C
• Minimum temperature anomaly: -13.5 °C
• Minimum temperature: -46.8 °C

Event center: -78.5°S 293.5°E

Area affected: 63831 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-Apr-18_to_2011-Apr-23_293.5_-78.5

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 8 days

Time span: April 17 2011 to April 24 2011

Statistics over entire affected area:

• Mean temperature anomaly: -9.1 °C
• Mean temperature: -54.9 °C
• Minimum temperature anomaly: -12.2 °C
• Minimum temperature: -61.6 °C

Event center: -85.0°S 153.0°E

Area affected: 108504 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-Apr-17_to_2011-Apr-24_153.0_-85.0

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 7 days

Time span: April 16 2011 to April 22 2011

Statistics over entire affected area:

• Mean temperature anomaly: -9.9 °C
• Mean temperature: -23.1 °C
• Minimum temperature anomaly: -18.3 °C
• Minimum temperature: -41.5 °C

Event center: -69.0°S 264.0°E

Area affected: 527208 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-Apr-16_to_2011-Apr-22_264.0_-69.0

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 8 days

Time span: April 14 2011 to April 21 2011

Statistics over entire affected area:

• Mean temperature anomaly: -7.1 °C
• Mean temperature: -21.4 °C
• Minimum temperature anomaly: -10.6 °C
• Minimum temperature: -26.8 °C

Event center: -67.0°S 60.5°E

Area affected: 146890 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-Apr-14_to_2011-Apr-21_60.5_-67.0

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 4 days

Time span: April 09 2011 to April 12 2011

Statistics over entire affected area:

• Mean temperature anomaly: -7.9 °C
• Mean temperature: -28.0 °C
• Minimum temperature anomaly: -11.1 °C
• Minimum temperature: -39.2 °C

Event center: -66.5°S 130.0°E

Area affected: 66748 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-Apr-09_to_2011-Apr-12_130.0_-66.5