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: 7 days

Time span: February 17 2023 to February 23 2023

Statistics over entire affected area:

• Mean temperature anomaly: -6.2 °C
• Mean temperature: -41.8 °C
• Minimum temperature anomaly: -8.2 °C
• Minimum temperature: -47.5 °C

Event center: -84.0°S 343.0°E

Area affected: 207348 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-Feb-17_to_2023-Feb-23_343.0_-84.0

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 8 days

Time span: February 17 2023 to February 24 2023

Statistics over entire affected area:

• Mean temperature anomaly: -4.2 °C
• Mean temperature: -9.0 °C
• Minimum temperature anomaly: -8.5 °C
• Minimum temperature: -15.6 °C

Event center: -69.5°S 32.5°E

Area affected: 94344 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-Feb-17_to_2023-Feb-24_32.5_-69.5

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 9 days

Time span: February 10 2023 to February 18 2023

Statistics over entire affected area:

• Mean temperature anomaly: -5.9 °C
• Mean temperature: -31.2 °C
• Minimum temperature anomaly: -9.4 °C
• Minimum temperature: -41.1 °C

Event center: -82.0°S 308.0°E

Area affected: 314900 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-Feb-10_to_2023-Feb-18_308.0_-82.0

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 5 days

Time span: February 09 2023 to February 13 2023

Statistics over entire affected area:

• Mean temperature anomaly: -4.1 °C
• Mean temperature: -21.7 °C
• Minimum temperature anomaly: -6.1 °C
• Minimum temperature: -30.4 °C

Event center: -70.5°S 73.5°E

Area affected: 88235 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-Feb-09_to_2023-Feb-13_73.5_-70.5

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 12 days

Time span: February 08 2023 to February 19 2023

Statistics over entire affected area:

• Mean temperature anomaly: -2.1 °C
• Mean temperature: 0.2 °C
• Minimum temperature anomaly: -3.9 °C
• Minimum temperature: -2.7 °C

Event center: -56.5°S 224.5°E

Area affected: 2344856 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-Feb-08_to_2023-Feb-19_224.5_-56.5

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 4 days

Time span: February 07 2023 to February 10 2023

Statistics over entire affected area:

• Mean temperature anomaly: -4.6 °C
• Mean temperature: -16.4 °C
• Minimum temperature anomaly: -5.7 °C
• Minimum temperature: -19.3 °C

Event center: -80.0°S 178.5°E

Area affected: 62463 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-Feb-07_to_2023-Feb-10_178.5_-80.0

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 5 days

Time span: February 06 2023 to February 10 2023

Statistics over entire affected area:

• Mean temperature anomaly: -1.8 °C
• Mean temperature: 1.2 °C
• Minimum temperature anomaly: -2.7 °C
• Minimum temperature: -1.1 °C

Event center: -60.0°S 162.0°E

Area affected: 164698 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-Feb-06_to_2023-Feb-10_162.0_-60.0

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 8 days

Time span: February 04 2023 to February 11 2023

Statistics over entire affected area:

• Mean temperature anomaly: -6.0 °C
• Mean temperature: -24.3 °C
• Minimum temperature anomaly: -8.3 °C
• Minimum temperature: -29.8 °C

Event center: -76.5°S 233.5°E

Area affected: 174313 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-Feb-04_to_2023-Feb-11_233.5_-76.5

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 9 days

Time span: February 04 2023 to February 12 2023

Statistics over entire affected area:

• Mean temperature anomaly: -4.6 °C
• Mean temperature: -21.4 °C
• Minimum temperature anomaly: -8.5 °C
• Minimum temperature: -43.5 °C

Event center: -66.5°S 110.5°E

Area affected: 1265279 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-Feb-04_to_2023-Feb-12_110.5_-66.5

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 5 days

Time span: February 01 2023 to February 05 2023

Statistics over entire affected area:

• Mean temperature anomaly: -5.7 °C
• Mean temperature: -30.1 °C
• Minimum temperature anomaly: -7.9 °C
• Minimum temperature: -34.3 °C

Event center: -71.5°S 150.5°E

Area affected: 98457 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-Feb-01_to_2023-Feb-05_150.5_-71.5