Category: Cold spells affecting Antarctica

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 5 days

Time span: August 01 2023 to August 05 2023

Statistics over entire affected area:

• Mean temperature anomaly: -8.4 °C
• Mean temperature: -11.8 °C
• Minimum temperature anomaly: -13.0 °C
• Minimum temperature: -21.8 °C

Event center: -65.5°S 270.5°E

Area affected: 529057 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: Cold_spell_2023-Aug-01_to_2023-Aug-05_270.5_-65.5

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 5 days

Time span: July 29 2023 to August 02 2023

Statistics over entire affected area:

• Mean temperature anomaly: -10.4 °C
• Mean temperature: -55.3 °C
• Minimum temperature anomaly: -13.3 °C
• Minimum temperature: -59.3 °C

Event center: -75.5°S 355.0°E

Area affected: 91584 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: Cold_spell_2023-Jul-29_to_2023-Aug-02_355.0_-75.5

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 3 days

Time span: July 29 2023 to July 31 2023

Statistics over entire affected area:

• Mean temperature anomaly: -9.6 °C
• Mean temperature: -67.5 °C
• Minimum temperature anomaly: -12.4 °C
• Minimum temperature: -71.3 °C

Event center: -79.5°S 36.0°E

Area affected: 58112 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: Cold_spell_2023-Jul-29_to_2023-Jul-31_36.0_-79.5

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 6 days

Time span: July 28 2023 to August 02 2023

Statistics over entire affected area:

• Mean temperature anomaly: -12.7 °C
• Mean temperature: -52.1 °C
• Minimum temperature anomaly: -17.1 °C
• Minimum temperature: -57.3 °C

Event center: -81.0°S 186.5°E

Area affected: 224817 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: Cold_spell_2023-Jul-28_to_2023-Aug-02_186.5_-81.0

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 10 days

Time span: July 25 2023 to August 03 2023

Statistics over entire affected area:

• Mean temperature anomaly: -9.2 °C
• Mean temperature: -46.1 °C
• Minimum temperature anomaly: -17.4 °C
• Minimum temperature: -53.3 °C

Event center: -80.0°S 280.5°E

Area affected: 242494 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: Cold_spell_2023-Jul-25_to_2023-Aug-03_280.5_-80.0

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 16 days

Time span: July 18 2023 to August 02 2023

Statistics over entire affected area:

• Mean temperature anomaly: -9.4 °C
• Mean temperature: -36.7 °C
• Minimum temperature anomaly: -20.0 °C
• Minimum temperature: -55.0 °C

Event center: -77.0°S 171.0°E

Area affected: 439312 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: Cold_spell_2023-Jul-18_to_2023-Aug-02_171.0_-77.0

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 4 days

Time span: July 17 2023 to July 20 2023

Statistics over entire affected area:

• Mean temperature anomaly: -8.6 °C
• Mean temperature: -31.3 °C
• Minimum temperature anomaly: -13.1 °C
• Minimum temperature: -41.2 °C

Event center: -74.5°S 300.0°E

Area affected: 86270 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: Cold_spell_2023-Jul-17_to_2023-Jul-20_300.0_-74.5

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 11 days

Time span: July 15 2023 to July 25 2023

Statistics over entire affected area:

• Mean temperature anomaly: -3.4 °C
• Mean temperature: 0.5 °C
• Minimum temperature anomaly: -13.0 °C
• Minimum temperature: -18.7 °C

Event center: -65.5°S 257.5°E

Area affected: 4573064 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: Cold_spell_2023-Jul-15_to_2023-Jul-25_257.5_-65.5

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 10 days

Time span: July 10 2023 to July 19 2023

Statistics over entire affected area:

• Mean temperature anomaly: -10.2 °C
• Mean temperature: -51.4 °C
• Minimum temperature anomaly: -20.0 °C
• Minimum temperature: -64.5 °C

Event center: -81.5°S 336.5°E

Area affected: 603482 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: Cold_spell_2023-Jul-10_to_2023-Jul-19_336.5_-81.5