Heat wave occuring from February 25 2026 to March 03 2026 at 41.5°N 127.5°E

Download data: JSON

Event type: Heat wave

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

  • China
  • Korea, Democratic People’s Republic of
  • Korea, Republic of

Duration: 7 days

Time span: February 25 2026 to March 03 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 5.9 °C
  • Mean temperature: 2.8 °C
  • Maximum temperature anomaly: 9.5 °C
  • Maximum temperature: 9.7 °C

Event center: 41.5°N 127.5°E

Area affected: 104560 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-Feb-25_to_2026-Mar-03_127.5_41.5

Heat wave occuring from November 22 2025 to November 24 2025 at 36.0°N 126.0°E

Download data: JSON

Event type: Heat wave

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

  • Korea, Democratic People’s Republic of
  • Korea, Republic of

Duration: 3 days

Time span: November 22 2025 to November 24 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 4.3 °C
  • Mean temperature: 13.2 °C
  • Maximum temperature anomaly: 6.9 °C
  • Maximum temperature: 15.1 °C

Event center: 36.0°N 126.0°E

Area affected: 59690 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-Nov-22_to_2025-Nov-24_126.0_36.0

Heat wave occuring from February 27 2025 to March 03 2025 at 42.5°N 129.0°E

Download data: JSON

Event type: Heat wave

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

  • China
  • Korea, Democratic People’s Republic of
  • Korea, Republic of

Duration: 5 days

Time span: February 27 2025 to March 03 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 7.0 °C
  • Mean temperature: 2.8 °C
  • Maximum temperature anomaly: 11.2 °C
  • Maximum temperature: 10.5 °C

Event center: 42.5°N 129.0°E

Area affected: 153744 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-Feb-27_to_2025-Mar-03_129.0_42.5

Heat wave occuring from April 01 2024 to April 04 2024 at 39.5°N 125.0°E

Download data: JSON

Event type: Heat wave

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

  • China
  • Korea, Democratic People’s Republic of
  • Korea, Republic of

Duration: 4 days

Time span: April 01 2024 to April 04 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 3.4 °C
  • Mean temperature: 11.3 °C
  • Maximum temperature anomaly: 6.8 °C
  • Maximum temperature: 15.9 °C

Event center: 39.5°N 125.0°E

Area affected: 105796 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_2024-Apr-01_to_2024-Apr-04_125.0_39.5

Heat wave occuring from May 02 2023 to May 05 2023 at 31.0°N 126.5°E

Download data: JSON

Event type: Heat wave

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

  • Korea, Republic of

Duration: 4 days

Time span: May 02 2023 to May 05 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 2.3 °C
  • Mean temperature: 18.4 °C
  • Maximum temperature anomaly: 3.4 °C
  • Maximum temperature: 22.2 °C

Event center: 31.0°N 126.5°E

Area affected: 146483 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-02_to_2023-May-05_126.5_31.0

Heat wave occuring from April 15 2023 to April 21 2023 at 33.0°N 121.5°E

Download data: JSON

Event type: Heat wave

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

  • Japan
  • Korea, Republic of

Duration: 7 days

Time span: April 15 2023 to April 21 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 2.9 °C
  • Mean temperature: 17.1 °C
  • Maximum temperature anomaly: 6.8 °C
  • Maximum temperature: 21.8 °C

Event center: 33.0°N 121.5°E

Area affected: 313341 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-15_to_2023-Apr-21_121.5_33.0

Heat wave occuring from November 09 2022 to November 12 2022 at 39.5°N 129.5°E

Download data: JSON

Event type: Heat wave

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

  • China
  • Korea, Democratic People’s Republic of
  • Korea, Republic of

Duration: 4 days

Time span: November 09 2022 to November 12 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 5.3 °C
  • Mean temperature: 14.1 °C
  • Maximum temperature anomaly: 10.9 °C
  • Maximum temperature: 19.7 °C

Event center: 39.5°N 129.5°E

Area affected: 209087 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_2022-Nov-09_to_2022-Nov-12_129.5_39.5

Heat wave occuring from July 27 2022 to August 02 2022 at 37.5°N 126.0°E

Download data: JSON

Event type: Heat wave

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

  • Korea, Democratic People’s Republic of
  • Korea, Republic of

Duration: 7 days

Time span: July 27 2022 to August 02 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 2.6 °C
  • Mean temperature: 27.8 °C
  • Maximum temperature anomaly: 3.9 °C
  • Maximum temperature: 30.6 °C

Event center: 37.5°N 126.0°E

Area affected: 63928 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_2022-Jul-27_to_2022-Aug-02_126.0_37.5

Heat wave occuring from May 15 2022 to June 01 2022 at 35.0°N 130.0°E

Download data: JSON

Event type: Heat wave

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

  • Japan
  • Korea, Republic of

Duration: 18 days

Time span: May 15 2022 to June 01 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 2.7 °C
  • Mean temperature: 16.8 °C
  • Maximum temperature anomaly: 6.3 °C
  • Maximum temperature: 25.0 °C

Event center: 35.0°N 130.0°E

Area affected: 611507 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_2022-May-15_to_2022-Jun-01_130.0_35.0

Heat wave occuring from February 19 2022 to January 25 2023 at -11.0°S 150.0°E

Download data: JSON

Event type: Heat wave

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

  • Antarctica
  • Australia
  • Bangladesh
  • Bhutan
  • Cambodia
  • Canada
  • China
  • Christmas Island
  • Cook Islands
  • Fiji
  • French Polynesia
  • Hong Kong
  • India
  • Indonesia
  • Japan
  • Kazakhstan
  • Korea, Democratic People’s Republic of
  • Korea, Republic of
  • Kyrgyzstan
  • Lao People’s Democratic Republic
  • Malaysia
  • Maldives
  • Mongolia
  • Myanmar
  • Nepal
  • New Caledonia
  • New Zealand
  • Norfolk Island
  • Northern Mariana Islands
  • Oman
  • Pakistan
  • Papua New Guinea
  • Philippines
  • Russian Federation
  • Solomon Islands
  • Sri Lanka
  • Taiwan, Province of China
  • Thailand
  • Timor-Leste
  • Tonga
  • United States
  • Vanuatu
  • Viet Nam

Duration: 341 days

Time span: February 19 2022 to January 25 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 2.6 °C
  • Mean temperature: 19.0 °C
  • Maximum temperature anomaly: 33.4 °C
  • Maximum temperature: 37.4 °C

Event center: -11.0°S 150.0°E

Area affected: 154052228 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_2022-Feb-19_to_2023-Jan-25_150.0_-11.0