Category: Extremes affecting Antarctica

Download data: JSON

Event type: Heat wave

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

• Antarctica

Duration: 6 days

Time span: February 18 2023 to February 23 2023

Statistics over entire affected area:

• Mean temperature anomaly: 5.2 °C
• Mean temperature: -1.8 °C
• Maximum temperature anomaly: 10.4 °C
• Maximum temperature: -0.9 °C

Event center: -72.5°S 312.5°E

Area affected: 177598 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_2023-Feb-18_to_2023-Feb-23_312.5_-72.5

Download data: JSON

Event type: Heat wave

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

• Antarctica

Duration: 9 days

Time span: February 12 2023 to February 20 2023

Statistics over entire affected area:

• Mean temperature anomaly: 2.0 °C
• Mean temperature: 3.0 °C
• Maximum temperature anomaly: 3.5 °C
• Maximum temperature: 8.2 °C

Event center: -57.5°S 156.5°E

Area affected: 755808 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_2023-Feb-12_to_2023-Feb-20_156.5_-57.5

Download data: JSON

Event type: Heat wave

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

• Antarctica

Duration: 18 days

Time span: February 10 2023 to February 27 2023

Statistics over entire affected area:

• Mean temperature anomaly: 8.2 °C
• Mean temperature: -25.6 °C
• Maximum temperature anomaly: 18.9 °C
• Maximum temperature: 1.8 °C

Event center: -80.5°S 69.5°E

Area affected: 4281182 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_2023-Feb-10_to_2023-Feb-27_69.5_-80.5

Download data: JSON

Event type: Heat wave

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

• Antarctica

Duration: 7 days

Time span: February 10 2023 to February 16 2023

Statistics over entire affected area:

• Mean temperature anomaly: 5.3 °C
• Mean temperature: -14.3 °C
• Maximum temperature anomaly: 7.7 °C
• Maximum temperature: -3.9 °C

Event center: -77.5°S 269.5°E

Area affected: 167611 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_2023-Feb-10_to_2023-Feb-16_269.5_-77.5

Download data: JSON

Event type: Heat wave

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

• Antarctica

Duration: 7 days

Time span: February 10 2023 to February 16 2023

Statistics over entire affected area:

• Mean temperature anomaly: 6.4 °C
• Mean temperature: -28.8 °C
• Maximum temperature anomaly: 10.0 °C
• Maximum temperature: -7.1 °C

Event center: -88.5°S 199.5°E

Area affected: 345345 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_2023-Feb-10_to_2023-Feb-16_199.5_-88.5

Download data: JSON

Event type: Heat wave

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

• Antarctica

Duration: 4 days

Time span: February 08 2023 to February 11 2023

Statistics over entire affected area:

• Mean temperature anomaly: 2.0 °C
• Mean temperature: 2.3 °C
• Maximum temperature anomaly: 5.2 °C
• Maximum temperature: 4.0 °C

Event center: -66.5°S 293.5°E

Area affected: 65221 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_2023-Feb-08_to_2023-Feb-11_293.5_-66.5