Author: WEXA

Cold spell occuring from May 27 2026 to May 31 2026 at -12.0°S 312.5°E

Download data: JSON

Event type: Cold spell

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

  • Brazil

Duration: 5 days

Time span: May 27 2026 to May 31 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -1.9 °C
  • Mean temperature: 24.1 °C
  • Minimum temperature anomaly: -2.8 °C
  • Minimum temperature: 20.9 °C

Event center: -12.0°S 312.5°E

Area affected: 78502 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-May-27_to_2026-May-31_312.5_-12.0

Cold spell occuring from May 27 2026 to June 01 2026 at -12.5°S 136.5°E

Download data: JSON

Event type: Cold spell

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

  • Australia

Duration: 6 days

Time span: May 27 2026 to June 01 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -3.1 °C
  • Mean temperature: 21.7 °C
  • Minimum temperature anomaly: -5.9 °C
  • Minimum temperature: 16.8 °C

Event center: -12.5°S 136.5°E

Area affected: 379909 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-May-27_to_2026-Jun-01_136.5_-12.5

Cold spell occuring from May 27 2026 to June 02 2026 at -69.5°S 18.5°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: May 27 2026 to June 02 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -7.8 °C
  • Mean temperature: -22.7 °C
  • Minimum temperature anomaly: -12.8 °C
  • Minimum temperature: -42.8 °C

Event center: -69.5°S 18.5°E

Area affected: 249046 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-May-27_to_2026-Jun-02_18.5_-69.5

Heat wave occuring from May 27 2026 to June 03 2026 at -5.5°S 315.0°E

Download data: JSON

Event type: Heat wave

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

  • Brazil

Duration: 8 days

Time span: May 27 2026 to June 03 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 1.4 °C
  • Mean temperature: 27.8 °C
  • Maximum temperature anomaly: 2.2 °C
  • Maximum temperature: 29.3 °C

Event center: -5.5°S 315.0°E

Area affected: 197071 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-May-27_to_2026-Jun-03_315.0_-5.5

Cold spell occuring from May 26 2026 to May 29 2026 at 66.5°N 322.0°E

Download data: JSON

Event type: Cold spell

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

  • Greenland

Duration: 4 days

Time span: May 26 2026 to May 29 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -6.3 °C
  • Mean temperature: -18.6 °C
  • Minimum temperature anomaly: -9.4 °C
  • Minimum temperature: -25.7 °C

Event center: 66.5°N 322.0°E

Area affected: 89818 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-May-26_to_2026-May-29_322.0_66.5

Cold spell occuring from May 26 2026 to June 03 2026 at 42.5°N 45.5°E

Download data: JSON

Event type: Cold spell

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

  • Belarus
  • Finland
  • Georgia
  • Kazakhstan
  • Latvia
  • Russian Federation
  • Turkiye
  • Ukraine

Duration: 9 days

Time span: May 26 2026 to June 03 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -6.6 °C
  • Mean temperature: 10.0 °C
  • Minimum temperature anomaly: -9.6 °C
  • Minimum temperature: -3.0 °C

Event center: 42.5°N 45.5°E

Area affected: 2026534 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-May-26_to_2026-Jun-03_45.5_42.5

Cold spell occuring from May 26 2026 to June 03 2026 at -10.5°S 23.0°E

Download data: JSON

Event type: Cold spell

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

  • Angola
  • Congo DRC
  • Zambia

Duration: 9 days

Time span: May 26 2026 to June 03 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -1.8 °C
  • Mean temperature: 20.1 °C
  • Minimum temperature anomaly: -3.1 °C
  • Minimum temperature: 16.2 °C

Event center: -10.5°S 23.0°E

Area affected: 596522 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-May-26_to_2026-Jun-03_23.0_-10.5

Heat wave occuring from May 26 2026 to June 19 2026 at 8.0°N 339.5°E

Download data: JSON

Event type: Heat wave

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

  • Guinea
  • Guinea-Bissau
  • Sierra Leone

Duration: 25 days

Time span: May 26 2026 to June 19 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 1.1 °C
  • Mean temperature: 27.3 °C
  • Maximum temperature anomaly: 2.0 °C
  • Maximum temperature: 28.9 °C

Event center: 8.0°N 339.5°E

Area affected: 814304 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-May-26_to_2026-Jun-19_339.5_8.0

Cold spell occuring from May 26 2026 to June 06 2026 at -72.5°S 171.0°E

Download data: JSON

Event type: Cold spell

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

  • Antarctica

Duration: 12 days

Time span: May 26 2026 to June 06 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -8.3 °C
  • Mean temperature: -41.8 °C
  • Minimum temperature anomaly: -14.5 °C
  • Minimum temperature: -55.3 °C

Event center: -72.5°S 171.0°E

Area affected: 479599 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-May-26_to_2026-Jun-06_171.0_-72.5

Heat wave occuring from May 26 2026 to June 02 2026 at -27.5°S 17.5°E

Download data: JSON

Event type: Heat wave

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

  • Namibia
  • South Africa

Duration: 8 days

Time span: May 26 2026 to June 02 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 4.8 °C
  • Mean temperature: 18.5 °C
  • Maximum temperature anomaly: 7.1 °C
  • Maximum temperature: 22.5 °C

Event center: -27.5°S 17.5°E

Area affected: 152204 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-May-26_to_2026-Jun-02_17.5_-27.5