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: 17 days

Time span: October 15 2021 to October 31 2021

Statistics over entire affected area:

• Mean temperature anomaly: -9.5 °C
• Mean temperature: -36.2 °C
• Minimum temperature anomaly: -13.5 °C
• Minimum temperature: -42.9 °C

Event center: -81.0°S 198.0°E

Area affected: 357364 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_2021-Oct-15_to_2021-Oct-31_198.0_-81.0

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 14 days

Time span: October 13 2021 to October 26 2021

Statistics over entire affected area:

• Mean temperature anomaly: -7.6 °C
• Mean temperature: -52.6 °C
• Minimum temperature anomaly: -13.1 °C
• Minimum temperature: -58.8 °C

Event center: -87.0°S 359.0°E

Area affected: 457900 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_2021-Oct-13_to_2021-Oct-26_359.0_-87.0

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 5 days

Time span: October 13 2021 to October 17 2021

Statistics over entire affected area:

• Mean temperature anomaly: -7.5 °C
• Mean temperature: -16.9 °C
• Minimum temperature anomaly: -9.8 °C
• Minimum temperature: -20.5 °C

Event center: -66.0°S 28.0°E

Area affected: 665438 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_2021-Oct-13_to_2021-Oct-17_28.0_-66.0

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 7 days

Time span: October 11 2021 to October 17 2021

Statistics over entire affected area:

• Mean temperature anomaly: -6.4 °C
• Mean temperature: -14.1 °C
• Minimum temperature anomaly: -8.7 °C
• Minimum temperature: -19.8 °C

Event center: -69.5°S 197.0°E

Area affected: 1018622 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_2021-Oct-11_to_2021-Oct-17_197.0_-69.5

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 10 days

Time span: October 11 2021 to October 20 2021

Statistics over entire affected area:

• Mean temperature anomaly: -7.8 °C
• Mean temperature: -32.0 °C
• Minimum temperature anomaly: -10.7 °C
• Minimum temperature: -38.0 °C

Event center: -76.5°S 234.0°E

Area affected: 81080 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_2021-Oct-11_to_2021-Oct-20_234.0_-76.5

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 8 days

Time span: October 05 2021 to October 12 2021

Statistics over entire affected area:

• Mean temperature anomaly: -3.2 °C
• Mean temperature: -1.9 °C
• Minimum temperature anomaly: -7.6 °C
• Minimum temperature: -11.3 °C

Event center: -57.0°S 249.0°E

Area affected: 1632763 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_2021-Oct-05_to_2021-Oct-12_249.0_-57.0

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 8 days

Time span: October 02 2021 to October 09 2021

Statistics over entire affected area:

• Mean temperature anomaly: -6.4 °C
• Mean temperature: -20.3 °C
• Minimum temperature anomaly: -8.1 °C
• Minimum temperature: -22.8 °C

Event center: -68.5°S 10.5°E

Area affected: 129521 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_2021-Oct-02_to_2021-Oct-09_10.5_-68.5

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 6 days

Time span: October 01 2021 to October 06 2021

Statistics over entire affected area:

• Mean temperature anomaly: -8.4 °C
• Mean temperature: -55.9 °C
• Minimum temperature anomaly: -10.9 °C
• Minimum temperature: -62.1 °C

Event center: -76.0°S 13.5°E

Area affected: 157457 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_2021-Oct-01_to_2021-Oct-06_13.5_-76.0

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 4 days

Time span: September 27 2021 to September 30 2021

Statistics over entire affected area:

• Mean temperature anomaly: -6.5 °C
• Mean temperature: -42.8 °C
• Minimum temperature anomaly: -11.0 °C
• Minimum temperature: -53.3 °C

Event center: -75.5°S 166.0°E

Area affected: 103483 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_2021-Sep-27_to_2021-Sep-30_166.0_-75.5

Download data: JSON

Event type: Cold spell

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

• Antarctica

Duration: 6 days

Time span: September 25 2021 to September 30 2021

Statistics over entire affected area:

• Mean temperature anomaly: -6.9 °C
• Mean temperature: -22.4 °C
• Minimum temperature anomaly: -11.2 °C
• Minimum temperature: -36.5 °C

Event center: -65.5°S 109.0°E

Area affected: 190430 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_2021-Sep-25_to_2021-Sep-30_109.0_-65.5