Author: WEXA

Cold spell occuring from April 23 2026 to April 26 2026 at -50.5°S 285.0°E

Download data: JSON

Event type: Cold spell

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

  • Argentina
  • Chile

Duration: 4 days

Time span: April 23 2026 to April 26 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -2.8 °C
  • Mean temperature: 3.6 °C
  • Minimum temperature anomaly: -7.2 °C
  • Minimum temperature: -5.7 °C

Event center: -50.5°S 285.0°E

Area affected: 473687 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-23_to_2026-Apr-26_285.0_-50.5

Cold spell occuring from April 23 2026 to April 29 2026 at -82.0°S 14.5°E

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 23 2026 to April 29 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -8.3 °C
  • Mean temperature: -51.4 °C
  • Minimum temperature anomaly: -13.1 °C
  • Minimum temperature: -59.9 °C

Event center: -82.0°S 14.5°E

Area affected: 328385 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-23_to_2026-Apr-29_14.5_-82.0

Cold spell occuring from April 23 2026 to April 30 2026 at 53.0°N 247.5°E

Download data: JSON

Event type: Cold spell

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

  • Canada
  • United States

Duration: 8 days

Time span: April 23 2026 to April 30 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -8.3 °C
  • Mean temperature: -2.9 °C
  • Minimum temperature anomaly: -16.2 °C
  • Minimum temperature: -10.5 °C

Event center: 53.0°N 247.5°E

Area affected: 1540760 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-23_to_2026-Apr-30_247.5_53.0

Heat wave occuring from April 23 2026 to April 27 2026 at 36.5°N 121.5°E

Download data: JSON

Event type: Heat wave

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

  • China

Duration: 5 days

Time span: April 23 2026 to April 27 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 2.5 °C
  • Mean temperature: 13.7 °C
  • Maximum temperature anomaly: 6.0 °C
  • Maximum temperature: 19.7 °C

Event center: 36.5°N 121.5°E

Area affected: 166650 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: Heat_wave_2026-Apr-23_to_2026-Apr-27_121.5_36.5

Heat wave occuring from April 22 2026 to April 30 2026 at -26.0°S 121.0°E

Download data: JSON

Event type: Heat wave

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

  • Australia

Duration: 9 days

Time span: April 22 2026 to April 30 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 4.9 °C
  • Mean temperature: 27.8 °C
  • Maximum temperature anomaly: 6.7 °C
  • Maximum temperature: 31.8 °C

Event center: -26.0°S 121.0°E

Area affected: 172904 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: Heat_wave_2026-Apr-22_to_2026-Apr-30_121.0_-26.0

Cold spell occuring from April 22 2026 to April 25 2026 at -21.5°S 26.0°E

Download data: JSON

Event type: Cold spell

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

  • Botswana

Duration: 4 days

Time span: April 22 2026 to April 25 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -3.3 °C
  • Mean temperature: 19.4 °C
  • Minimum temperature anomaly: -5.5 °C
  • Minimum temperature: 15.8 °C

Event center: -21.5°S 26.0°E

Area affected: 60812 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-22_to_2026-Apr-25_26.0_-21.5

Heat wave occuring from April 22 2026 to April 29 2026 at -8.5°S 167.0°E

Download data: JSON

Event type: Heat wave

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

  • Solomon Islands

Duration: 8 days

Time span: April 22 2026 to April 29 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 1.1 °C
  • Mean temperature: 28.5 °C
  • Maximum temperature anomaly: 1.7 °C
  • Maximum temperature: 29.1 °C

Event center: -8.5°S 167.0°E

Area affected: 422404 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: Heat_wave_2026-Apr-22_to_2026-Apr-29_167.0_-8.5

Heat wave occuring from April 22 2026 to April 24 2026 at 42.0°N 270.5°E

Download data: JSON

Event type: Heat wave

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

  • United States

Duration: 3 days

Time span: April 22 2026 to April 24 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 7.4 °C
  • Mean temperature: 19.2 °C
  • Maximum temperature anomaly: 12.6 °C
  • Maximum temperature: 21.7 °C

Event center: 42.0°N 270.5°E

Area affected: 306428 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: Heat_wave_2026-Apr-22_to_2026-Apr-24_270.5_42.0

Cold spell occuring from April 22 2026 to April 26 2026 at 19.0°N 282.0°E

Download data: JSON

Event type: Cold spell

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

  • Bahamas

Duration: 5 days

Time span: April 22 2026 to April 26 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -1.0 °C
  • Mean temperature: 25.3 °C
  • Minimum temperature anomaly: -1.8 °C
  • Minimum temperature: 24.2 °C

Event center: 19.0°N 282.0°E

Area affected: 99175 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-22_to_2026-Apr-26_282.0_19.0

Cold spell occuring from April 21 2026 to April 23 2026 at 19.0°N 31.5°E

Download data: JSON

Event type: Cold spell

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

  • Sudan

Duration: 3 days

Time span: April 21 2026 to April 23 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -4.7 °C
  • Mean temperature: 26.3 °C
  • Minimum temperature anomaly: -6.1 °C
  • Minimum temperature: 23.8 °C

Event center: 19.0°N 31.5°E

Area affected: 93573 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-21_to_2026-Apr-23_31.5_19.0