Category: Heat waves affecting Antarctica

Download data: JSON

Event type: Heat wave

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

• Antarctica

Duration: 4 days

Time span: April 02 2023 to April 05 2023

Statistics over entire affected area:

• Mean temperature anomaly: 7.4 °C
• Mean temperature: -6.5 °C
• Maximum temperature anomaly: 16.3 °C
• Maximum temperature: -0.1 °C

Event center: -67.5°S 70.5°E

Area affected: 442211 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-Apr-02_to_2023-Apr-05_70.5_-67.5

Download data: JSON

Event type: Heat wave

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

• Antarctica

Duration: 8 days

Time span: April 02 2023 to April 09 2023

Statistics over entire affected area:

• Mean temperature anomaly: 10.0 °C
• Mean temperature: -44.5 °C
• Maximum temperature anomaly: 17.3 °C
• Maximum temperature: -30.9 °C

Event center: -79.0°S 53.0°E

Area affected: 523229 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-Apr-02_to_2023-Apr-09_53.0_-79.0

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 27 2023 to April 02 2023

Statistics over entire affected area:

• Mean temperature anomaly: 2.1 °C
• Mean temperature: -0.4 °C
• Maximum temperature anomaly: 3.5 °C
• Maximum temperature: 0.1 °C

Event center: -66.0°S 8.0°E

Area affected: 111982 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-27_to_2023-Apr-02_8.0_-66.0

Download data: JSON

Event type: Heat wave

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

• Antarctica

Duration: 5 days

Time span: March 20 2023 to March 24 2023

Statistics over entire affected area:

• Mean temperature anomaly: 8.7 °C
• Mean temperature: -39.5 °C
• Maximum temperature anomaly: 14.1 °C
• Maximum temperature: -13.7 °C

Event center: -75.0°S 119.0°E

Area affected: 584791 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-20_to_2023-Mar-24_119.0_-75.0

Download data: JSON

Event type: Heat wave

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

• Antarctica

Duration: 6 days

Time span: March 20 2023 to March 25 2023

Statistics over entire affected area:

• Mean temperature anomaly: 3.8 °C
• Mean temperature: 0.1 °C
• Maximum temperature anomaly: 8.1 °C
• Maximum temperature: 1.6 °C

Event center: -65.5°S 141.5°E

Area affected: 448363 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-20_to_2023-Mar-25_141.5_-65.5

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 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