Author: WEXA

Cold spell occuring from April 08 2026 to April 12 2026 at 66.0°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: 5 days

Time span: April 08 2026 to April 12 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -9.5 °C
  • Mean temperature: -20.2 °C
  • Minimum temperature anomaly: -12.0 °C
  • Minimum temperature: -23.7 °C

Event center: 66.0°N 102.0°E

Area affected: 53417 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-08_to_2026-Apr-12_102.0_66.0

Heat wave occuring from April 07 2026 to April 18 2026 at -3.0°S 135.5°E

Download data: JSON

Event type: Heat wave

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

  • Indonesia

Duration: 12 days

Time span: April 07 2026 to April 18 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 1.2 °C
  • Mean temperature: 28.0 °C
  • Maximum temperature anomaly: 2.2 °C
  • Maximum temperature: 29.1 °C

Event center: -3.0°S 135.5°E

Area affected: 176071 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-07_to_2026-Apr-18_135.5_-3.0

Cold spell occuring from April 07 2026 to April 13 2026 at 32.0°N 352.5°E

Download data: JSON

Event type: Cold spell

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

  • Algeria
  • Mauritania
  • Morocco

Duration: 7 days

Time span: April 07 2026 to April 13 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -3.6 °C
  • Mean temperature: 15.4 °C
  • Minimum temperature anomaly: -7.3 °C
  • Minimum temperature: 4.0 °C

Event center: 32.0°N 352.5°E

Area affected: 545824 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-07_to_2026-Apr-13_352.5_32.0

Heat wave occuring from April 07 2026 to April 13 2026 at -69.5°S 1.5°E

Download data: JSON

Event type: Heat wave

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

  • Antarctica

Duration: 7 days

Time span: April 07 2026 to April 13 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 6.2 °C
  • Mean temperature: -4.9 °C
  • Maximum temperature anomaly: 12.7 °C
  • Maximum temperature: -0.6 °C

Event center: -69.5°S 1.5°E

Area affected: 531275 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-07_to_2026-Apr-13_1.5_-69.5

Heat wave occuring from April 07 2026 to April 14 2026 at -3.5°S 107.5°E

Download data: JSON

Event type: Heat wave

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

  • Indonesia

Duration: 8 days

Time span: April 07 2026 to April 14 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 1.1 °C
  • Mean temperature: 28.4 °C
  • Maximum temperature anomaly: 2.0 °C
  • Maximum temperature: 29.2 °C

Event center: -3.5°S 107.5°E

Area affected: 101734 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-07_to_2026-Apr-14_107.5_-3.5

Heat wave occuring from April 07 2026 to April 15 2026 at 4.5°N 306.5°E

Download data: JSON

Event type: Heat wave

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

  • Brazil
  • French Guiana
  • Guyana
  • Suriname

Duration: 9 days

Time span: April 07 2026 to April 15 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 1.3 °C
  • Mean temperature: 26.8 °C
  • Maximum temperature anomaly: 2.4 °C
  • Maximum temperature: 28.1 °C

Event center: 4.5°N 306.5°E

Area affected: 265302 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-07_to_2026-Apr-15_306.5_4.5

Heat wave occuring from April 07 2026 to April 30 2026 at -6.0°S 91.0°E

Download data: JSON

Event type: Heat wave

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

  • Indonesia

Duration: 24 days

Time span: April 07 2026 to April 30 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 1.2 °C
  • Mean temperature: 28.6 °C
  • Maximum temperature anomaly: 2.2 °C
  • Maximum temperature: 29.7 °C

Event center: -6.0°S 91.0°E

Area affected: 3182711 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-07_to_2026-Apr-30_91.0_-6.0

Cold spell occuring from April 07 2026 to April 13 2026 at 64.5°N 277.0°E

Download data: JSON

Event type: Cold spell

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

  • Canada

Duration: 7 days

Time span: April 07 2026 to April 13 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -7.4 °C
  • Mean temperature: -26.3 °C
  • Minimum temperature anomaly: -11.4 °C
  • Minimum temperature: -32.1 °C

Event center: 64.5°N 277.0°E

Area affected: 69407 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-07_to_2026-Apr-13_277.0_64.5

Cold spell occuring from April 07 2026 to April 09 2026 at 55.0°N 294.5°E

Download data: JSON

Event type: Cold spell

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

  • Canada

Duration: 3 days

Time span: April 07 2026 to April 09 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -8.6 °C
  • Mean temperature: -16.0 °C
  • Minimum temperature anomaly: -11.3 °C
  • Minimum temperature: -24.5 °C

Event center: 55.0°N 294.5°E

Area affected: 242254 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-07_to_2026-Apr-09_294.5_55.0

Cold spell occuring from April 06 2026 to April 12 2026 at 58.0°N 281.5°E

Download data: JSON

Event type: Cold spell

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

  • Canada

Duration: 7 days

Time span: April 06 2026 to April 12 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -6.4 °C
  • Mean temperature: -18.8 °C
  • Minimum temperature anomaly: -7.9 °C
  • Minimum temperature: -21.6 °C

Event center: 58.0°N 281.5°E

Area affected: 214400 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_281.5_58.0