Category: Extremes affecting Indonesia

Heat wave occuring from April 07 2025 to April 22 2025 at -2.5°S 122.0°E

Download data: JSON

Event type: Heat wave

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

  • Australia
  • Indonesia
  • Papua New Guinea

Duration: 16 days

Time span: April 07 2025 to April 22 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 1.2 °C
  • Mean temperature: 28.0 °C
  • Maximum temperature anomaly: 2.8 °C
  • Maximum temperature: 29.4 °C

Event center: -2.5°S 122.0°E

Area affected: 1250797 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_2025-Apr-07_to_2025-Apr-22_122.0_-2.5

Heat wave occuring from April 06 2025 to April 11 2025 at -4.0°S 106.0°E

Download data: JSON

Event type: Heat wave

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

  • Indonesia

Duration: 6 days

Time span: April 06 2025 to April 11 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 1.1 °C
  • Mean temperature: 28.2 °C
  • Maximum temperature anomaly: 2.1 °C
  • Maximum temperature: 29.0 °C

Event center: -4.0°S 106.0°E

Area affected: 214928 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_2025-Apr-06_to_2025-Apr-11_106.0_-4.0

Cold spell occuring from March 18 2025 to March 23 2025 at -0.5°S 103.5°E

Download data: JSON

Event type: Cold spell

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

  • Indonesia
  • Malaysia

Duration: 6 days

Time span: March 18 2025 to March 23 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -1.4 °C
  • Mean temperature: 25.7 °C
  • Minimum temperature anomaly: -3.2 °C
  • Minimum temperature: 23.5 °C

Event center: -0.5°S 103.5°E

Area affected: 80353 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_2025-Mar-18_to_2025-Mar-23_103.5_-0.5

Heat wave occuring from March 14 2025 to March 17 2025 at -6.5°S 138.5°E

Download data: JSON

Event type: Heat wave

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

  • Indonesia

Duration: 4 days

Time span: March 14 2025 to March 17 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 1.3 °C
  • Mean temperature: 28.2 °C
  • Maximum temperature anomaly: 2.2 °C
  • Maximum temperature: 29.1 °C

Event center: -6.5°S 138.5°E

Area affected: 70706 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_2025-Mar-14_to_2025-Mar-17_138.5_-6.5

Heat wave occuring from March 10 2025 to March 15 2025 at -5.0°S 128.5°E

Download data: JSON

Event type: Heat wave

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

  • Indonesia

Duration: 6 days

Time span: March 10 2025 to March 15 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 1.0 °C
  • Mean temperature: 28.0 °C
  • Maximum temperature anomaly: 1.6 °C
  • Maximum temperature: 28.6 °C

Event center: -5.0°S 128.5°E

Area affected: 52390 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_2025-Mar-10_to_2025-Mar-15_128.5_-5.0

Heat wave occuring from March 09 2025 to March 31 2025 at -4.5°S 103.5°E

Download data: JSON

Event type: Heat wave

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

  • Christmas Island
  • Indonesia

Duration: 23 days

Time span: March 09 2025 to March 31 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 1.2 °C
  • Mean temperature: 28.5 °C
  • Maximum temperature anomaly: 2.4 °C
  • Maximum temperature: 29.4 °C

Event center: -4.5°S 103.5°E

Area affected: 4088412 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_2025-Mar-09_to_2025-Mar-31_103.5_-4.5

Heat wave occuring from March 09 2025 to March 12 2025 at 5.0°N 95.0°E

Download data: JSON

Event type: Heat wave

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

  • Indonesia

Duration: 4 days

Time span: March 09 2025 to March 12 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 1.4 °C
  • Mean temperature: 27.8 °C
  • Maximum temperature anomaly: 2.1 °C
  • Maximum temperature: 29.5 °C

Event center: 5.0°N 95.0°E

Area affected: 157336 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_2025-Mar-09_to_2025-Mar-12_95.0_5.0

Cold spell occuring from January 28 2025 to February 01 2025 at 1.5°N 110.5°E

Download data: JSON

Event type: Cold spell

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

  • Indonesia
  • Malaysia

Duration: 5 days

Time span: January 28 2025 to February 01 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -1.5 °C
  • Mean temperature: 24.0 °C
  • Minimum temperature anomaly: -2.1 °C
  • Minimum temperature: 21.0 °C

Event center: 1.5°N 110.5°E

Area affected: 64897 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_2025-Jan-28_to_2025-Feb-01_110.5_1.5

Heat wave occuring from January 18 2025 to January 22 2025 at 5.5°N 95.0°E

Download data: JSON

Event type: Heat wave

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

  • Indonesia

Duration: 5 days

Time span: January 18 2025 to January 22 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 1.0 °C
  • Mean temperature: 27.7 °C
  • Maximum temperature anomaly: 1.6 °C
  • Maximum temperature: 28.7 °C

Event center: 5.5°N 95.0°E

Area affected: 70837 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_2025-Jan-18_to_2025-Jan-22_95.0_5.5

Heat wave occuring from January 14 2025 to January 20 2025 at -3.0°S 132.5°E

Download data: JSON

Event type: Heat wave

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

  • Indonesia

Duration: 7 days

Time span: January 14 2025 to January 20 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 0.9 °C
  • Mean temperature: 27.7 °C
  • Maximum temperature anomaly: 1.5 °C
  • Maximum temperature: 28.6 °C

Event center: -3.0°S 132.5°E

Area affected: 200807 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_2025-Jan-14_to_2025-Jan-20_132.5_-3.0