Category: Extremes affecting China

Heat wave occuring from May 17 2026 to May 22 2026 at 29.0°N 82.5°E

Download data: JSON

Event type: Heat wave

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

  • China
  • Nepal

Duration: 6 days

Time span: May 17 2026 to May 22 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 3.6 °C
  • Mean temperature: 7.3 °C
  • Maximum temperature anomaly: 5.3 °C
  • Maximum temperature: 22.3 °C

Event center: 29.0°N 82.5°E

Area affected: 56373 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-May-17_to_2026-May-22_82.5_29.0

Heat wave occuring from May 14 2026 to May 27 2026 at 38.5°N 70.5°E

Download data: JSON

Event type: Heat wave

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

  • Afghanistan
  • China
  • India
  • Kyrgyzstan
  • Pakistan
  • Tajikistan
  • Uzbekistan

Duration: 14 days

Time span: May 14 2026 to May 27 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 4.4 °C
  • Mean temperature: 14.6 °C
  • Maximum temperature anomaly: 11.1 °C
  • Maximum temperature: 39.5 °C

Event center: 38.5°N 70.5°E

Area affected: 935139 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-May-14_to_2026-May-27_70.5_38.5

Cold spell occuring from May 10 2026 to May 21 2026 at 51.0°N 90.0°E

Download data: JSON

Event type: Cold spell

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

  • China
  • Mongolia
  • Russian Federation

Duration: 12 days

Time span: May 10 2026 to May 21 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -8.1 °C
  • Mean temperature: 0.9 °C
  • Minimum temperature anomaly: -12.2 °C
  • Minimum temperature: -10.3 °C

Event center: 51.0°N 90.0°E

Area affected: 1140373 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-May-10_to_2026-May-21_90.0_51.0

Cold spell occuring from June 29 2026 to July 04 2026 at 26.0°N 102.0°E

Download data: JSON

Event type: Cold spell

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

  • China

Duration: 6 days

Time span: June 29 2026 to July 04 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -2.4 °C
  • Mean temperature: 19.4 °C
  • Minimum temperature anomaly: -4.3 °C
  • Minimum temperature: 15.8 °C

Event center: 26.0°N 102.0°E

Area affected: 64331 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-Jun-29_to_2026-Jul-04_102.0_26.0

Cold spell occuring from June 28 2026 to July 02 2026 at 29.5°N 97.0°E

Download data: JSON

Event type: Cold spell

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

  • China

Duration: 5 days

Time span: June 28 2026 to July 02 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -3.1 °C
  • Mean temperature: 6.4 °C
  • Minimum temperature anomaly: -5.8 °C
  • Minimum temperature: -1.2 °C

Event center: 29.5°N 97.0°E

Area affected: 93358 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-Jun-28_to_2026-Jul-02_97.0_29.5