Author: WEXA

Cold spell occuring from April 20 2026 to April 29 2026 at -18.0°S 142.0°E

Download data: JSON

Event type: Cold spell

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

  • Australia

Duration: 10 days

Time span: April 20 2026 to April 29 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -2.0 °C
  • Mean temperature: 22.8 °C
  • Minimum temperature anomaly: -4.9 °C
  • Minimum temperature: 17.5 °C

Event center: -18.0°S 142.0°E

Area affected: 536723 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_2026-Apr-20_to_2026-Apr-29_142.0_-18.0

Cold spell occuring from April 20 2026 to April 25 2026 at 30.0°N 48.0°E

Download data: JSON

Event type: Cold spell

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

  • Iran
  • Iraq
  • Kuwait

Duration: 6 days

Time span: April 20 2026 to April 25 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -4.3 °C
  • Mean temperature: 23.1 °C
  • Minimum temperature anomaly: -6.0 °C
  • Minimum temperature: 20.0 °C

Event center: 30.0°N 48.0°E

Area affected: 55831 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_2026-Apr-20_to_2026-Apr-25_48.0_30.0

Cold spell occuring from April 19 2026 to April 23 2026 at 47.5°N 129.0°E

Download data: JSON

Event type: Cold spell

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

  • China
  • Russian Federation

Duration: 5 days

Time span: April 19 2026 to April 23 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -5.0 °C
  • Mean temperature: 0.8 °C
  • Minimum temperature anomaly: -7.0 °C
  • Minimum temperature: -1.2 °C

Event center: 47.5°N 129.0°E

Area affected: 150863 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_2026-Apr-19_to_2026-Apr-23_129.0_47.5

Cold spell occuring from April 19 2026 to April 21 2026 at 27.5°N 259.5°E

Download data: JSON

Event type: Cold spell

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

  • Mexico
  • United States

Duration: 3 days

Time span: April 19 2026 to April 21 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -7.9 °C
  • Mean temperature: 14.3 °C
  • Minimum temperature anomaly: -13.8 °C
  • Minimum temperature: 9.6 °C

Event center: 27.5°N 259.5°E

Area affected: 337099 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_2026-Apr-19_to_2026-Apr-21_259.5_27.5

Cold spell occuring from April 19 2026 to April 21 2026 at 35.0°N 106.5°E

Download data: JSON

Event type: Cold spell

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

  • China

Duration: 3 days

Time span: April 19 2026 to April 21 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -6.2 °C
  • Mean temperature: 5.8 °C
  • Minimum temperature anomaly: -9.2 °C
  • Minimum temperature: 2.0 °C

Event center: 35.0°N 106.5°E

Area affected: 55312 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_2026-Apr-19_to_2026-Apr-21_106.5_35.0

Cold spell occuring from April 19 2026 to April 25 2026 at -36.5°S 174.5°E

Download data: JSON

Event type: Cold spell

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

  • New Zealand

Duration: 7 days

Time span: April 19 2026 to April 25 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -3.2 °C
  • Mean temperature: 10.6 °C
  • Minimum temperature anomaly: -9.2 °C
  • Minimum temperature: -4.0 °C

Event center: -36.5°S 174.5°E

Area affected: 308811 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_2026-Apr-19_to_2026-Apr-25_174.5_-36.5

Cold spell occuring from April 19 2026 to April 22 2026 at 58.5°N 54.0°E

Download data: JSON

Event type: Cold spell

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

  • Russian Federation

Duration: 4 days

Time span: April 19 2026 to April 22 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -7.5 °C
  • Mean temperature: -2.5 °C
  • Minimum temperature anomaly: -9.4 °C
  • Minimum temperature: -7.5 °C

Event center: 58.5°N 54.0°E

Area affected: 191761 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_2026-Apr-19_to_2026-Apr-22_54.0_58.5

Cold spell occuring from April 18 2026 to April 23 2026 at 54.0°N 102.0°E

Download data: JSON

Event type: Cold spell

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

  • Russian Federation

Duration: 6 days

Time span: April 18 2026 to April 23 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -6.7 °C
  • Mean temperature: -3.0 °C
  • Minimum temperature anomaly: -9.6 °C
  • Minimum temperature: -5.9 °C

Event center: 54.0°N 102.0°E

Area affected: 65462 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_2026-Apr-18_to_2026-Apr-23_102.0_54.0

Cold spell occuring from April 18 2026 to May 01 2026 at -78.5°S 189.5°E

Download data: JSON

Event type: Cold spell

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

  • Antarctica

Duration: 14 days

Time span: April 18 2026 to May 01 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -12.1 °C
  • Mean temperature: -43.4 °C
  • Minimum temperature anomaly: -20.3 °C
  • Minimum temperature: -55.6 °C

Event center: -78.5°S 189.5°E

Area affected: 327051 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_2026-Apr-18_to_2026-May-01_189.5_-78.5

Cold spell occuring from April 18 2026 to April 27 2026 at -12.5°S 128.5°E

Download data: JSON

Event type: Cold spell

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

  • Australia
  • Timor-Leste

Duration: 10 days

Time span: April 18 2026 to April 27 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -1.2 °C
  • Mean temperature: 27.1 °C
  • Minimum temperature anomaly: -1.8 °C
  • Minimum temperature: 24.4 °C

Event center: -12.5°S 128.5°E

Area affected: 214884 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_2026-Apr-18_to_2026-Apr-27_128.5_-12.5