Cold spell occuring from April 07 2025 to April 20 2025 at 16.5°N 95.0°E

Download data: JSON

Event type: Cold spell

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

  • Bangladesh
  • India
  • Myanmar

Duration: 14 days

Time span: April 07 2025 to April 20 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -2.5 °C
  • Mean temperature: 27.6 °C
  • Minimum temperature anomaly: -4.9 °C
  • Minimum temperature: 18.0 °C

Event center: 16.5°N 95.0°E

Area affected: 206592 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-Apr-07_to_2025-Apr-20_95.0_16.5

Heat wave occuring from April 01 2025 to April 10 2025 at 16.0°N 96.5°E

Download data: JSON

Event type: Heat wave

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

  • India
  • Myanmar

Duration: 10 days

Time span: April 01 2025 to April 10 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 0.9 °C
  • Mean temperature: 28.7 °C
  • Maximum temperature anomaly: 1.8 °C
  • Maximum temperature: 30.6 °C

Event center: 16.0°N 96.5°E

Area affected: 613254 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-10_96.5_16.0

Heat wave occuring from March 26 2025 to April 01 2025 at 18.5°N 82.0°E

Download data: JSON

Event type: Heat wave

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

  • India

Duration: 7 days

Time span: March 26 2025 to April 01 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 1.7 °C
  • Mean temperature: 30.5 °C
  • Maximum temperature anomaly: 3.4 °C
  • Maximum temperature: 35.4 °C

Event center: 18.5°N 82.0°E

Area affected: 335724 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-26_to_2025-Apr-01_82.0_18.5

Cold spell occuring from March 21 2025 to March 25 2025 at 20.5°N 85.5°E

Download data: JSON

Event type: Cold spell

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

  • Bangladesh
  • India

Duration: 5 days

Time span: March 21 2025 to March 25 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -3.6 °C
  • Mean temperature: 23.8 °C
  • Minimum temperature anomaly: -6.5 °C
  • Minimum temperature: 18.8 °C

Event center: 20.5°N 85.5°E

Area affected: 350690 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-21_to_2025-Mar-25_85.5_20.5

Heat wave occuring from March 21 2025 to March 25 2025 at 23.5°N 64.0°E

Download data: JSON

Event type: Heat wave

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

  • India

Duration: 5 days

Time span: March 21 2025 to March 25 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 1.5 °C
  • Mean temperature: 26.5 °C
  • Maximum temperature anomaly: 2.1 °C
  • Maximum temperature: 27.8 °C

Event center: 23.5°N 64.0°E

Area affected: 295026 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-21_to_2025-Mar-25_64.0_23.5

Heat wave occuring from March 09 2025 to March 14 2025 at 33.5°N 76.5°E

Download data: JSON

Event type: Heat wave

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

  • India

Duration: 6 days

Time span: March 09 2025 to March 14 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 4.4 °C
  • Mean temperature: -9.1 °C
  • Maximum temperature anomaly: 6.3 °C
  • Maximum temperature: 7.5 °C

Event center: 33.5°N 76.5°E

Area affected: 67008 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-14_76.5_33.5

Heat wave occuring from February 25 2025 to March 21 2025 at 28.0°N 89.0°E

Download data: JSON

Event type: Heat wave

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

  • Bhutan
  • China
  • India
  • Nepal

Duration: 25 days

Time span: February 25 2025 to March 21 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 5.2 °C
  • Mean temperature: -5.3 °C
  • Maximum temperature anomaly: 9.3 °C
  • Maximum temperature: 27.5 °C

Event center: 28.0°N 89.0°E

Area affected: 793230 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-25_to_2025-Mar-21_89.0_28.0

Heat wave occuring from December 11 2024 to December 20 2024 at 28.5°N 89.5°E

Download data: JSON

Event type: Heat wave

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

  • Bhutan
  • China
  • India
  • Nepal

Duration: 10 days

Time span: December 11 2024 to December 20 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 5.1 °C
  • Mean temperature: -2.8 °C
  • Maximum temperature anomaly: 9.3 °C
  • Maximum temperature: 15.0 °C

Event center: 28.5°N 89.5°E

Area affected: 124584 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-Dec-11_to_2024-Dec-20_89.5_28.5

Cold spell occuring from December 08 2024 to December 28 2024 at 23.5°N 68.5°E

Download data: JSON

Event type: Cold spell

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

  • India
  • Pakistan

Duration: 21 days

Time span: December 08 2024 to December 28 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -1.9 °C
  • Mean temperature: 21.9 °C
  • Minimum temperature anomaly: -5.5 °C
  • Minimum temperature: 12.6 °C

Event center: 23.5°N 68.5°E

Area affected: 1859319 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_2024-Dec-08_to_2024-Dec-28_68.5_23.5

Cold spell occuring from December 07 2024 to December 16 2024 at 21.5°N 88.0°E

Download data: JSON

Event type: Cold spell

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

  • Bangladesh
  • India

Duration: 10 days

Time span: December 07 2024 to December 16 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -2.0 °C
  • Mean temperature: 19.2 °C
  • Minimum temperature anomaly: -3.2 °C
  • Minimum temperature: 15.7 °C

Event center: 21.5°N 88.0°E

Area affected: 182220 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_2024-Dec-07_to_2024-Dec-16_88.0_21.5