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: 10 days

Time span: May 01 2023 to May 10 2023

Statistics over entire affected area:

• Mean temperature anomaly: -8.5 °C
• Mean temperature: -62.6 °C
• Minimum temperature anomaly: -10.6 °C
• Minimum temperature: -70.0 °C

Event center: -73.0°S 127.5°E

Area affected: 230636 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-May-01_to_2023-May-10_127.5_-73.0

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 15 days

Time span: May 01 2023 to May 15 2023

Statistics over entire affected area:

• Mean temperature anomaly: -9.8 °C
• Mean temperature: -64.9 °C
• Minimum temperature anomaly: -15.9 °C
• Minimum temperature: -73.7 °C

Event center: -82.0°S 64.0°E

Area affected: 1958837 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-May-01_to_2023-May-15_290.5_-84.5

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 3 days

Time span: April 30 2023 to May 02 2023

Statistics over entire affected area:

• Mean temperature anomaly: -6.9 °C
• Mean temperature: -19.7 °C
• Minimum temperature anomaly: -10.6 °C
• Minimum temperature: -24.7 °C

Event center: -66.0°S 86.0°E

Area affected: 50682 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-Apr-30_to_2023-May-02_86.0_-66.0

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 13 days

Time span: April 29 2023 to May 11 2023

Statistics over entire affected area:

• Mean temperature anomaly: -8.4 °C
• Mean temperature: -14.8 °C
• Minimum temperature anomaly: -14.8 °C
• Minimum temperature: -33.4 °C

Event center: -66.5°S 237.0°E

Area affected: 2265862 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-Apr-29_to_2023-May-11_237.0_-66.5

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 7 days

Time span: April 15 2023 to April 21 2023

Statistics over entire affected area:

• Mean temperature anomaly: -3.2 °C
• Mean temperature: -1.5 °C
• Minimum temperature anomaly: -5.5 °C
• Minimum temperature: -7.9 °C

Event center: -62.5°S 231.0°E

Area affected: 1317086 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-Apr-15_to_2023-Apr-21_231.0_-62.5

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 4 days

Time span: April 09 2023 to April 12 2023

Statistics over entire affected area:

• Mean temperature anomaly: -8.4 °C
• Mean temperature: -59.6 °C
• Minimum temperature anomaly: -13.3 °C
• Minimum temperature: -67.3 °C

Event center: -88.0°S 139.5°E

Area affected: 230417 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-Apr-09_to_2023-Apr-12_139.5_-88.0

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 4 days

Time span: April 08 2023 to April 11 2023

Statistics over entire affected area:

• Mean temperature anomaly: -8.4 °C
• Mean temperature: -42.7 °C
• Minimum temperature anomaly: -16.7 °C
• Minimum temperature: -53.5 °C

Event center: -85.0°S 201.0°E

Area affected: 313596 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-Apr-08_to_2023-Apr-11_201.0_-85.0

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 3 days

Time span: April 02 2023 to April 04 2023

Statistics over entire affected area:

• Mean temperature anomaly: -13.3 °C
• Mean temperature: -38.9 °C
• Minimum temperature anomaly: -20.1 °C
• Minimum temperature: -43.3 °C

Event center: -85.0°S 204.0°E

Area affected: 65835 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-Apr-02_to_2023-Apr-04_204.0_-85.0

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 4 days

Time span: April 01 2023 to April 04 2023

Statistics over entire affected area:

• Mean temperature anomaly: -10.2 °C
• Mean temperature: -36.9 °C
• Minimum temperature anomaly: -13.0 °C
• Minimum temperature: -40.7 °C

Event center: -82.0°S 234.0°E

Area affected: 135463 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-Apr-01_to_2023-Apr-04_234.0_-82.0

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 12 days

Time span: March 30 2023 to April 10 2023

Statistics over entire affected area:

• Mean temperature anomaly: -3.2 °C
• Mean temperature: 0.8 °C
• Minimum temperature anomaly: -7.7 °C
• Minimum temperature: -10.8 °C

Event center: -60.0°S 258.0°E

Area affected: 6626365 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-Mar-30_to_2023-Apr-10_258.0_-60.0