Heat wave occuring from September 12 2023 to September 17 2023 at 4.5°N 113.5°E

Download data: JSON

Event type: Heat wave

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

  • Brunei Darussalam
  • Malaysia

Duration: 6 days

Time span: September 12 2023 to September 17 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 1.3 °C
  • Mean temperature: 28.4 °C
  • Maximum temperature anomaly: 2.1 °C
  • Maximum temperature: 29.2 °C

Event center: 4.5°N 113.5°E

Area affected: 61676 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_2023-Sep-12_to_2023-Sep-17_113.5_4.5

Heat wave occuring from July 16 2023 to July 19 2023 at 6.0°N 116.0°E

Download data: JSON

Event type: Heat wave

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

  • Brunei Darussalam
  • Indonesia
  • Malaysia

Duration: 4 days

Time span: July 16 2023 to July 19 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 1.4 °C
  • Mean temperature: 27.9 °C
  • Maximum temperature anomaly: 2.6 °C
  • Maximum temperature: 29.6 °C

Event center: 6.0°N 116.0°E

Area affected: 89291 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_2023-Jul-16_to_2023-Jul-19_116.0_6.0

Heat wave occuring from July 15 2023 to July 19 2023 at 1.5°N 110.0°E

Download data: JSON

Event type: Heat wave

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

  • Indonesia
  • Malaysia

Duration: 5 days

Time span: July 15 2023 to July 19 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 1.5 °C
  • Mean temperature: 28.6 °C
  • Maximum temperature anomaly: 3.4 °C
  • Maximum temperature: 29.8 °C

Event center: 1.5°N 110.0°E

Area affected: 86505 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_2023-Jul-15_to_2023-Jul-19_110.0_1.5

Heat wave occuring from July 01 2023 to July 08 2023 at 10.0°N 99.0°E

Download data: JSON

Event type: Heat wave

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

  • Cambodia
  • Malaysia
  • Myanmar
  • Thailand

Duration: 8 days

Time span: July 01 2023 to July 08 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 1.3 °C
  • Mean temperature: 28.9 °C
  • Maximum temperature anomaly: 3.5 °C
  • Maximum temperature: 32.1 °C

Event center: 10.0°N 99.0°E

Area affected: 676650 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_2023-Jul-01_to_2023-Jul-08_99.0_10.0

Heat wave occuring from June 09 2023 to June 14 2023 at 1.5°N 110.0°E

Download data: JSON

Event type: Heat wave

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

  • Brunei Darussalam
  • Indonesia
  • Malaysia

Duration: 6 days

Time span: June 09 2023 to June 14 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 1.3 °C
  • Mean temperature: 29.0 °C
  • Maximum temperature anomaly: 2.9 °C
  • Maximum temperature: 29.9 °C

Event center: 1.5°N 110.0°E

Area affected: 157090 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_2023-Jun-09_to_2023-Jun-14_110.0_1.5

Heat wave occuring from June 08 2023 to June 14 2023 at 7.5°N 120.5°E

Download data: JSON

Event type: Heat wave

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

  • Indonesia
  • Malaysia
  • Philippines

Duration: 7 days

Time span: June 08 2023 to June 14 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 1.2 °C
  • Mean temperature: 28.1 °C
  • Maximum temperature anomaly: 2.0 °C
  • Maximum temperature: 29.1 °C

Event center: 7.5°N 120.5°E

Area affected: 159921 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_2023-Jun-08_to_2023-Jun-14_120.5_7.5

Heat wave occuring from May 22 2023 to June 05 2023 at 4.0°N 102.5°E

Download data: JSON

Event type: Heat wave

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

  • Indonesia
  • Malaysia
  • Thailand

Duration: 15 days

Time span: May 22 2023 to June 05 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 1.9 °C
  • Mean temperature: 28.8 °C
  • Maximum temperature anomaly: 4.9 °C
  • Maximum temperature: 33.7 °C

Event center: 4.0°N 102.5°E

Area affected: 243447 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_2023-May-22_to_2023-Jun-05_102.5_4.0

Heat wave occuring from April 17 2023 to April 24 2023 at 3.5°N 117.0°E

Download data: JSON

Event type: Heat wave

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

  • Indonesia
  • Malaysia

Duration: 8 days

Time span: April 17 2023 to April 24 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 1.2 °C
  • Mean temperature: 27.3 °C
  • Maximum temperature anomaly: 1.8 °C
  • Maximum temperature: 29.2 °C

Event center: 3.5°N 117.0°E

Area affected: 58650 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_2023-Apr-17_to_2023-Apr-24_117.0_3.5

Cold spell occuring from February 18 2023 to March 26 2023 at 11.0°N 107.5°E

Download data: JSON

Event type: Cold spell

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

  • Cambodia
  • Indonesia
  • Lao People’s Democratic Republic
  • Malaysia
  • Myanmar
  • Thailand
  • Viet Nam

Duration: 37 days

Time span: February 18 2023 to March 26 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -1.5 °C
  • Mean temperature: 25.2 °C
  • Minimum temperature anomaly: -6.1 °C
  • Minimum temperature: 16.2 °C

Event center: 11.0°N 107.5°E

Area affected: 2763118 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_2023-Feb-18_to_2023-Mar-26_107.5_11.0

Heat wave occuring from February 04 2023 to February 08 2023 at 5.5°N 121.5°E

Download data: JSON

Event type: Heat wave

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

  • Malaysia
  • Philippines

Duration: 5 days

Time span: February 04 2023 to February 08 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 0.9 °C
  • Mean temperature: 27.4 °C
  • Maximum temperature anomaly: 1.3 °C
  • Maximum temperature: 28.1 °C

Event center: 5.5°N 121.5°E

Area affected: 67726 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_2023-Feb-04_to_2023-Feb-08_121.5_5.5