Author: WEXA

Heat wave occuring from March 15 2026 to March 19 2026 at -72.0°S 267.0°E

Download data: JSON

Event type: Heat wave

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

  • Antarctica

Duration: 5 days

Time span: March 15 2026 to March 19 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 3.4 °C
  • Mean temperature: 0.0 °C
  • Maximum temperature anomaly: 8.0 °C
  • Maximum temperature: 0.8 °C

Event center: -72.0°S 267.0°E

Area affected: 320458 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-Mar-15_to_2026-Mar-19_267.0_-72.0

Heat wave occuring from March 15 2026 to March 21 2026 at 47.0°N 357.5°E

Download data: JSON

Event type: Heat wave

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

  • France
  • Ireland
  • United Kingdom

Duration: 7 days

Time span: March 15 2026 to March 21 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 2.2 °C
  • Mean temperature: 11.8 °C
  • Maximum temperature anomaly: 5.5 °C
  • Maximum temperature: 15.0 °C

Event center: 47.0°N 357.5°E

Area affected: 700277 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-Mar-15_to_2026-Mar-21_357.5_47.0

Heat wave occuring from March 15 2026 to March 26 2026 at -25.5°S 116.5°E

Download data: JSON

Event type: Heat wave

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

  • Australia

Duration: 12 days

Time span: March 15 2026 to March 26 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 4.0 °C
  • Mean temperature: 24.4 °C
  • Maximum temperature anomaly: 8.7 °C
  • Maximum temperature: 36.9 °C

Event center: -25.5°S 116.5°E

Area affected: 1418647 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-Mar-15_to_2026-Mar-26_116.5_-25.5

Heat wave occuring from March 15 2026 to March 17 2026 at -14.5°S 296.0°E

Download data: JSON

Event type: Heat wave

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

  • Bolivia

Duration: 3 days

Time span: March 15 2026 to March 17 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 1.8 °C
  • Mean temperature: 28.0 °C
  • Maximum temperature anomaly: 2.7 °C
  • Maximum temperature: 29.0 °C

Event center: -14.5°S 296.0°E

Area affected: 95751 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-Mar-15_to_2026-Mar-17_296.0_-14.5

Heat wave occuring from March 15 2026 to March 19 2026 at 12.0°N 40.0°E

Download data: JSON

Event type: Heat wave

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

  • Eritrea
  • Ethiopia
  • Somalia

Duration: 5 days

Time span: March 15 2026 to March 19 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 2.6 °C
  • Mean temperature: 26.0 °C
  • Maximum temperature anomaly: 3.9 °C
  • Maximum temperature: 31.5 °C

Event center: 12.0°N 40.0°E

Area affected: 93763 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-Mar-15_to_2026-Mar-19_40.0_12.0

Cold spell occuring from March 15 2026 to March 29 2026 at -36.5°S 289.5°E

Download data: JSON

Event type: Cold spell

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

  • Argentina
  • Chile

Duration: 15 days

Time span: March 15 2026 to March 29 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -4.4 °C
  • Mean temperature: 8.1 °C
  • Minimum temperature anomaly: -13.9 °C
  • Minimum temperature: -12.3 °C

Event center: -36.5°S 289.5°E

Area affected: 530938 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-Mar-15_to_2026-Mar-29_289.5_-36.5

Heat wave occuring from March 14 2026 to March 19 2026 at 16.5°N 44.0°E

Download data: JSON

Event type: Heat wave

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

  • Saudi Arabia
  • Yemen

Duration: 6 days

Time span: March 14 2026 to March 19 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 3.6 °C
  • Mean temperature: 26.0 °C
  • Maximum temperature anomaly: 6.4 °C
  • Maximum temperature: 30.5 °C

Event center: 16.5°N 44.0°E

Area affected: 267240 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-Mar-14_to_2026-Mar-19_44.0_16.5

Cold spell occuring from March 14 2026 to April 10 2026 at 7.0°N 348.0°E

Download data: JSON

Event type: Cold spell

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

  • Senegal
  • Sierra Leone

Duration: 28 days

Time span: March 14 2026 to April 10 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -1.6 °C
  • Mean temperature: 24.0 °C
  • Minimum temperature anomaly: -3.5 °C
  • Minimum temperature: 18.8 °C

Event center: 7.0°N 348.0°E

Area affected: 238055 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-Mar-14_to_2026-Apr-10_348.0_7.0

Heat wave occuring from March 14 2026 to March 28 2026 at -9.0°S 326.5°E

Download data: JSON

Event type: Heat wave

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

  • Brazil

Duration: 15 days

Time span: March 14 2026 to March 28 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 1.0 °C
  • Mean temperature: 28.0 °C
  • Maximum temperature anomaly: 2.1 °C
  • Maximum temperature: 29.8 °C

Event center: -9.0°S 326.5°E

Area affected: 504871 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-Mar-14_to_2026-Mar-28_326.5_-9.0

Heat wave occuring from March 13 2026 to March 31 2026 at 18.5°N 5.5°E

Download data: JSON

Event type: Heat wave

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

  • Algeria
  • Burkina Faso
  • Chad
  • Côte d’Ivoire
  • Guinea
  • Mali
  • Mauritania
  • Niger
  • Nigeria
  • Senegal

Duration: 19 days

Time span: March 13 2026 to March 31 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 4.1 °C
  • Mean temperature: 31.7 °C
  • Maximum temperature anomaly: 7.1 °C
  • Maximum temperature: 36.5 °C

Event center: 18.5°N 5.5°E

Area affected: 2716678 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-Mar-13_to_2026-Mar-31_5.5_18.5