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: March 18 2023 to March 20 2023

Statistics over entire affected area:

• Mean temperature anomaly: 5.6 °C
• Mean temperature: -1.3 °C
• Maximum temperature anomaly: 8.5 °C
• Maximum temperature: 0.7 °C

Event center: -74.5°S 222.5°E

Area affected: 116073 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-Mar-18_to_2023-Mar-20_222.5_-74.5

Download data: JSON

Event type: Heat wave

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

• Antarctica

Duration: 5 days

Time span: March 12 2023 to March 16 2023

Statistics over entire affected area:

• Mean temperature anomaly: 5.7 °C
• Mean temperature: -2.5 °C
• Maximum temperature anomaly: 13.6 °C
• Maximum temperature: -0.2 °C

Event center: -74.5°S 335.5°E

Area affected: 166498 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-Mar-12_to_2023-Mar-16_335.5_-74.5

Download data: JSON

Event type: Heat wave

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

• Antarctica

Duration: 10 days

Time span: March 08 2023 to March 17 2023

Statistics over entire affected area:

• Mean temperature anomaly: 3.7 °C
• Mean temperature: 0.9 °C
• Maximum temperature anomaly: 13.4 °C
• Maximum temperature: 7.5 °C

Event center: -58.5°S 311.5°E

Area affected: 2338058 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-Mar-08_to_2023-Mar-17_311.5_-58.5

Download data: JSON

Event type: Heat wave

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

• Antarctica

Duration: 5 days

Time span: March 07 2023 to March 11 2023

Statistics over entire affected area:

• Mean temperature anomaly: 4.9 °C
• Mean temperature: -1.6 °C
• Maximum temperature anomaly: 8.6 °C
• Maximum temperature: 1.1 °C

Event center: -66.0°S 136.0°E

Area affected: 88520 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-Mar-07_to_2023-Mar-11_136.0_-66.0

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 05 2023 to March 13 2023

Statistics over entire affected area:

• Mean temperature anomaly: 4.5 °C
• Mean temperature: -2.6 °C
• Maximum temperature anomaly: 8.2 °C
• Maximum temperature: -0.3 °C

Event center: -66.0°S 105.5°E

Area affected: 109414 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-Mar-05_to_2023-Mar-13_105.5_-66.0

Download data: JSON

Event type: Heat wave

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

• Antarctica

Duration: 21 days

Time span: March 02 2023 to March 22 2023

Statistics over entire affected area:

• Mean temperature anomaly: 7.3 °C
• Mean temperature: -21.7 °C
• Maximum temperature anomaly: 18.1 °C
• Maximum temperature: 2.1 °C

Event center: -65.0°S 55.5°E

Area affected: 5557686 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-Mar-02_to_2023-Mar-22_55.5_-65.0