Author: WEXA

Cold spell occuring from April 06 2026 to April 13 2026 at 27.5°N 53.5°E

Download data: JSON

Event type: Cold spell

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

  • Iran

Duration: 8 days

Time span: April 06 2026 to April 13 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -3.6 °C
  • Mean temperature: 20.8 °C
  • Minimum temperature anomaly: -8.1 °C
  • Minimum temperature: 12.9 °C

Event center: 27.5°N 53.5°E

Area affected: 137861 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-06_to_2026-Apr-13_53.5_27.5

Cold spell occuring from April 06 2026 to April 12 2026 at -15.5°S 143.0°E

Download data: JSON

Event type: Cold spell

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

  • Australia

Duration: 7 days

Time span: April 06 2026 to April 12 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -2.1 °C
  • Mean temperature: 25.0 °C
  • Minimum temperature anomaly: -3.5 °C
  • Minimum temperature: 21.3 °C

Event center: -15.5°S 143.0°E

Area affected: 163046 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-06_to_2026-Apr-12_143.0_-15.5

Cold spell occuring from April 06 2026 to April 15 2026 at -78.5°S 200.5°E

Download data: JSON

Event type: Cold spell

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

  • Antarctica

Duration: 10 days

Time span: April 06 2026 to April 15 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -12.0 °C
  • Mean temperature: -42.9 °C
  • Minimum temperature anomaly: -18.9 °C
  • Minimum temperature: -48.2 °C

Event center: -78.5°S 200.5°E

Area affected: 132448 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-06_to_2026-Apr-15_200.5_-78.5

Heat wave occuring from April 06 2026 to April 11 2026 at 37.5°N 101.5°E

Download data: JSON

Event type: Heat wave

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

  • China

Duration: 6 days

Time span: April 06 2026 to April 11 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 7.0 °C
  • Mean temperature: 8.6 °C
  • Maximum temperature anomaly: 10.1 °C
  • Maximum temperature: 18.4 °C

Event center: 37.5°N 101.5°E

Area affected: 55465 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-06_to_2026-Apr-11_101.5_37.5

Heat wave occuring from April 06 2026 to April 08 2026 at -8.0°S 305.0°E

Download data: JSON

Event type: Heat wave

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

  • Brazil

Duration: 3 days

Time span: April 06 2026 to April 08 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 1.8 °C
  • Mean temperature: 26.8 °C
  • Maximum temperature anomaly: 2.8 °C
  • Maximum temperature: 27.7 °C

Event center: -8.0°S 305.0°E

Area affected: 52064 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-06_to_2026-Apr-08_305.0_-8.0

Heat wave occuring from April 06 2026 to April 23 2026 at 12.0°N 18.0°E

Download data: JSON

Event type: Heat wave

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

  • Cameroon
  • Central African Republic
  • Chad
  • Niger
  • Nigeria
  • Sudan

Duration: 18 days

Time span: April 06 2026 to April 23 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 2.4 °C
  • Mean temperature: 35.4 °C
  • Maximum temperature anomaly: 4.3 °C
  • Maximum temperature: 38.0 °C

Event center: 12.0°N 18.0°E

Area affected: 424873 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-06_to_2026-Apr-23_18.0_12.0

Heat wave occuring from April 05 2026 to April 15 2026 at -31.5°S 176.5°E

Download data: JSON

Event type: Heat wave

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

  • New Zealand

Duration: 11 days

Time span: April 05 2026 to April 15 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 2.3 °C
  • Mean temperature: 17.6 °C
  • Maximum temperature anomaly: 6.1 °C
  • Maximum temperature: 25.7 °C

Event center: -31.5°S 176.5°E

Area affected: 2731082 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-05_to_2026-Apr-15_176.5_-31.5

Heat wave occuring from April 05 2026 to April 08 2026 at -43.0°S 169.5°E

Download data: JSON

Event type: Heat wave

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

  • New Zealand

Duration: 4 days

Time span: April 05 2026 to April 08 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 2.5 °C
  • Mean temperature: 16.9 °C
  • Maximum temperature anomaly: 4.3 °C
  • Maximum temperature: 18.6 °C

Event center: -43.0°S 169.5°E

Area affected: 71165 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-05_to_2026-Apr-08_169.5_-43.0

Heat wave occuring from April 05 2026 to April 08 2026 at -45.5°S 166.0°E

Download data: JSON

Event type: Heat wave

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

  • New Zealand

Duration: 4 days

Time span: April 05 2026 to April 08 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 2.4 °C
  • Mean temperature: 15.7 °C
  • Maximum temperature anomaly: 4.3 °C
  • Maximum temperature: 17.6 °C

Event center: -45.5°S 166.0°E

Area affected: 149456 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-05_to_2026-Apr-08_166.0_-45.5

Cold spell occuring from April 05 2026 to April 08 2026 at 26.0°N 258.5°E

Download data: JSON

Event type: Cold spell

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

  • Mexico
  • United States

Duration: 4 days

Time span: April 05 2026 to April 08 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -6.6 °C
  • Mean temperature: 16.2 °C
  • Minimum temperature anomaly: -10.0 °C
  • Minimum temperature: 9.9 °C

Event center: 26.0°N 258.5°E

Area affected: 91627 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-05_to_2026-Apr-08_258.5_26.0