Category: Extremes affecting Antarctica

Download data: JSON

Event type: Heat wave

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

• Antarctica

Duration: 3 days

Time span: April 09 2021 to April 11 2021

Statistics over entire affected area:

• Mean temperature anomaly: 10.0 °C
• Mean temperature: -20.4 °C
• Maximum temperature anomaly: 14.6 °C
• Maximum temperature: -15.5 °C

Event center: -79.0°S 337.0°E

Area affected: 50830 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-Apr-09_to_2021-Apr-11_337.0_-79.0

Download data: JSON

Event type: Heat wave

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

• Antarctica

Duration: 11 days

Time span: April 02 2021 to April 12 2021

Statistics over entire affected area:

• Mean temperature anomaly: 6.0 °C
• Mean temperature: -15.7 °C
• Maximum temperature anomaly: 9.0 °C
• Maximum temperature: -10.3 °C

Event center: -73.5°S 168.5°E

Area affected: 147147 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-Apr-02_to_2021-Apr-12_168.5_-73.5

Download data: JSON

Event type: Heat wave

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

• Antarctica

Duration: 9 days

Time span: March 23 2021 to March 31 2021

Statistics over entire affected area:

• Mean temperature anomaly: 7.3 °C
• Mean temperature: -10.8 °C
• Maximum temperature anomaly: 13.6 °C
• Maximum temperature: -4.0 °C

Event center: -75.0°S 171.0°E

Area affected: 201356 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-Mar-23_to_2021-Mar-31_171.0_-75.0

Download data: JSON

Event type: Heat wave

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

• Antarctica

Duration: 7 days

Time span: March 23 2021 to March 29 2021

Statistics over entire affected area:

• Mean temperature anomaly: 10.0 °C
• Mean temperature: -13.3 °C
• Maximum temperature anomaly: 17.7 °C
• Maximum temperature: -0.6 °C

Event center: -74.5°S 224.0°E

Area affected: 1170012 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-Mar-23_to_2021-Mar-29_224.0_-74.5

Download data: JSON

Event type: Heat wave

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

• Antarctica

Duration: 4 days

Time span: March 20 2021 to March 23 2021

Statistics over entire affected area:

• Mean temperature anomaly: 8.6 °C
• Mean temperature: -36.8 °C
• Maximum temperature anomaly: 11.2 °C
• Maximum temperature: -29.9 °C

Event center: -83.5°S 19.5°E

Area affected: 182190 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-Mar-20_to_2021-Mar-23_19.5_-83.5

Download data: JSON

Event type: Heat wave

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

• Antarctica

Duration: 3 days

Time span: March 19 2021 to March 21 2021

Statistics over entire affected area:

• Mean temperature anomaly: 7.4 °C
• Mean temperature: -46.6 °C
• Maximum temperature anomaly: 9.7 °C
• Maximum temperature: -42.8 °C

Event center: -77.0°S 44.5°E

Area affected: 78079 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-Mar-19_to_2021-Mar-21_44.5_-77.0