Cold spell occuring from August 24 2025 to August 26 2025 at 16.5°N 121.5°E

Download data: JSON

Event type: Cold spell

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

  • Philippines

Duration: 3 days

Time span: August 24 2025 to August 26 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -1.4 °C
  • Mean temperature: 25.3 °C
  • Minimum temperature anomaly: -3.4 °C
  • Minimum temperature: 19.0 °C

Event center: 16.5°N 121.5°E

Area affected: 53232 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-Aug-24_to_2025-Aug-26_121.5_16.5

Heat wave occuring from August 18 2025 to August 20 2025 at 15.0°N 119.5°E

Download data: JSON

Event type: Heat wave

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

  • Philippines

Duration: 3 days

Time span: August 18 2025 to August 20 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 1.3 °C
  • Mean temperature: 28.4 °C
  • Maximum temperature anomaly: 2.4 °C
  • Maximum temperature: 29.5 °C

Event center: 15.0°N 119.5°E

Area affected: 134516 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-Aug-18_to_2025-Aug-20_119.5_15.0

Heat wave occuring from August 17 2025 to August 23 2025 at 18.5°N 120.0°E

Download data: JSON

Event type: Heat wave

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

  • Philippines
  • Taiwan, Province of China

Duration: 7 days

Time span: August 17 2025 to August 23 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 1.2 °C
  • Mean temperature: 28.9 °C
  • Maximum temperature anomaly: 1.9 °C
  • Maximum temperature: 29.5 °C

Event center: 18.5°N 120.0°E

Area affected: 174221 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-Aug-17_to_2025-Aug-23_120.0_18.5

Cold spell occuring from August 11 2025 to August 15 2025 at 8.0°N 119.5°E

Download data: JSON

Event type: Cold spell

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

  • Philippines

Duration: 5 days

Time span: August 11 2025 to August 15 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -1.0 °C
  • Mean temperature: 26.4 °C
  • Minimum temperature anomaly: -1.3 °C
  • Minimum temperature: 25.7 °C

Event center: 8.0°N 119.5°E

Area affected: 58200 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-Aug-11_to_2025-Aug-15_119.5_8.0

Cold spell occuring from June 04 2025 to June 11 2025 at 12.5°N 122.0°E

Download data: JSON

Event type: Cold spell

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

  • Philippines

Duration: 8 days

Time span: June 04 2025 to June 11 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -1.1 °C
  • Mean temperature: 26.6 °C
  • Minimum temperature anomaly: -1.6 °C
  • Minimum temperature: 25.4 °C

Event center: 12.5°N 122.0°E

Area affected: 82208 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-Jun-04_to_2025-Jun-11_122.0_12.5

Heat wave occuring from May 25 2025 to May 27 2025 at 3.5°N 125.0°E

Download data: JSON

Event type: Heat wave

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

  • Indonesia
  • Philippines

Duration: 3 days

Time span: May 25 2025 to May 27 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 1.2 °C
  • Mean temperature: 28.7 °C
  • Maximum temperature anomaly: 2.0 °C
  • Maximum temperature: 29.4 °C

Event center: 3.5°N 125.0°E

Area affected: 215432 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-May-25_to_2025-May-27_125.0_3.5

Heat wave occuring from April 01 2025 to April 11 2025 at 8.0°N 124.5°E

Download data: JSON

Event type: Heat wave

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

  • Philippines

Duration: 11 days

Time span: April 01 2025 to April 11 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 0.7 °C
  • Mean temperature: 27.5 °C
  • Maximum temperature anomaly: 1.4 °C
  • Maximum temperature: 28.2 °C

Event center: 8.0°N 124.5°E

Area affected: 70376 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-01_to_2025-Apr-11_124.5_8.0

Cold spell occuring from March 13 2025 to March 28 2025 at 30.0°N 100.5°E

Download data: JSON

Event type: Cold spell

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

  • Cambodia
  • China
  • Japan
  • Korea, Democratic People’s Republic of
  • Korea, Republic of
  • Lao People’s Democratic Republic
  • Myanmar
  • Philippines
  • Taiwan, Province of China
  • Thailand
  • Viet Nam

Duration: 16 days

Time span: March 13 2025 to March 28 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -3.6 °C
  • Mean temperature: 16.5 °C
  • Minimum temperature anomaly: -16.5 °C
  • Minimum temperature: -24.1 °C

Event center: 30.0°N 100.5°E

Area affected: 6868993 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-13_to_2025-Mar-28_100.5_30.0

Heat wave occuring from July 24 2023 to July 28 2023 at 15.5°N 122.0°E

Download data: JSON

Event type: Heat wave

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

  • Philippines

Duration: 5 days

Time span: July 24 2023 to July 28 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 1.1 °C
  • Mean temperature: 28.8 °C
  • Maximum temperature anomaly: 1.7 °C
  • Maximum temperature: 29.6 °C

Event center: 15.5°N 122.0°E

Area affected: 110351 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-24_to_2023-Jul-28_122.0_15.5

Heat wave occuring from June 24 2023 to July 03 2023 at 8.5°N 125.0°E

Download data: JSON

Event type: Heat wave

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

  • Philippines

Duration: 10 days

Time span: June 24 2023 to July 03 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 1.3 °C
  • Mean temperature: 27.5 °C
  • Maximum temperature anomaly: 2.1 °C
  • Maximum temperature: 29.1 °C

Event center: 8.5°N 125.0°E

Area affected: 144301 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-24_to_2023-Jul-03_125.0_8.5