Category: Extremes affecting Antarctica

Download data: JSON

Event type: Heat wave

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

• Antarctica

Duration: 10 days

Time span: September 11 2021 to September 20 2021

Statistics over entire affected area:

• Mean temperature anomaly: 8.3 °C
• Mean temperature: -18.2 °C
• Maximum temperature anomaly: 16.9 °C
• Maximum temperature: 2.0 °C

Event center: -63.0°S 109.5°E

Area affected: 1804686 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_2021-Sep-11_to_2021-Sep-20_109.5_-63.0

Download data: JSON

Event type: Heat wave

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

• Antarctica

Duration: 4 days

Time span: September 09 2021 to September 12 2021

Statistics over entire affected area:

• Mean temperature anomaly: 8.8 °C
• Mean temperature: -41.5 °C
• Maximum temperature anomaly: 11.5 °C
• Maximum temperature: -34.8 °C

Event center: -80.5°S 139.5°E

Area affected: 92525 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_2021-Sep-09_to_2021-Sep-12_139.5_-80.5

Download data: JSON

Event type: Heat wave

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

• Antarctica

Duration: 5 days

Time span: September 08 2021 to September 12 2021

Statistics over entire affected area:

• Mean temperature anomaly: 10.8 °C
• Mean temperature: -4.9 °C
• Maximum temperature anomaly: 16.1 °C
• Maximum temperature: 1.0 °C

Event center: -74.0°S 284.5°E

Area affected: 131502 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_2021-Sep-08_to_2021-Sep-12_284.5_-74.0

Download data: JSON

Event type: Heat wave

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

• Antarctica

Duration: 3 days

Time span: September 03 2021 to September 05 2021

Statistics over entire affected area:

• Mean temperature anomaly: 10.6 °C
• Mean temperature: -7.1 °C
• Maximum temperature anomaly: 15.8 °C
• Maximum temperature: -1.8 °C

Event center: -68.0°S 14.5°E

Area affected: 75316 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_2021-Sep-03_to_2021-Sep-05_14.5_-68.0

Download data: JSON

Event type: Heat wave

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

• Antarctica

Duration: 3 days

Time span: August 31 2021 to September 02 2021

Statistics over entire affected area:

• Mean temperature anomaly: 4.6 °C
• Mean temperature: 2.0 °C
• Maximum temperature anomaly: 6.3 °C
• Maximum temperature: 4.1 °C

Event center: -63.0°S 177.5°E

Area affected: 89990 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_2021-Aug-31_to_2021-Sep-02_177.5_-63.0

Download data: JSON

Event type: Heat wave

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

• Antarctica

Duration: 3 days

Time span: August 29 2021 to August 31 2021

Statistics over entire affected area:

• Mean temperature anomaly: 8.0 °C
• Mean temperature: -2.5 °C
• Maximum temperature anomaly: 10.0 °C
• Maximum temperature: -1.3 °C

Event center: -63.5°S 320.5°E

Area affected: 53593 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_2021-Aug-29_to_2021-Aug-31_320.5_-63.5

Download data: JSON

Event type: Heat wave

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

• Antarctica

Duration: 4 days

Time span: August 29 2021 to September 01 2021

Statistics over entire affected area:

• Mean temperature anomaly: 9.4 °C
• Mean temperature: -15.4 °C
• Maximum temperature anomaly: 16.0 °C
• Maximum temperature: -6.7 °C

Event center: -72.0°S 318.5°E

Area affected: 299169 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_2021-Aug-29_to_2021-Sep-01_318.5_-72.0

Download data: JSON

Event type: Heat wave

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

• Antarctica

Duration: 5 days

Time span: August 26 2021 to August 30 2021

Statistics over entire affected area:

• Mean temperature anomaly: 8.6 °C
• Mean temperature: -7.6 °C
• Maximum temperature anomaly: 12.0 °C
• Maximum temperature: -0.9 °C

Event center: -67.5°S 292.5°E

Area affected: 70809 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_2021-Aug-26_to_2021-Aug-30_292.5_-67.5