Category: Extremes affecting Nepal

Cold spell occuring from October 19 2021 to November 30 2021 at 32.5°N 81.0°E

Download data: JSON

Event type: Cold spell

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

  • Afghanistan
  • China
  • Hong Kong
  • India
  • Iran, Islamic Republic of
  • Kazakhstan
  • Kyrgyzstan
  • Lao People’s Democratic Republic
  • Mongolia
  • Nepal
  • Pakistan
  • Russian Federation
  • Taiwan, Province of China
  • Tajikistan
  • Turkmenistan
  • Uzbekistan
  • Viet Nam

Duration: 43 days

Time span: October 19 2021 to November 30 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -7.8 °C
  • Mean temperature: -4.0 °C
  • Minimum temperature anomaly: -24.5 °C
  • Minimum temperature: -32.4 °C

Event center: 32.5°N 81.0°E

Area affected: 12856484 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_2021-Oct-19_to_2021-Nov-30_81.0_32.5

Cold spell occuring from September 16 2021 to September 22 2021 at 32.5°N 95.0°E

Download data: JSON

Event type: Cold spell

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

  • China
  • Nepal

Duration: 7 days

Time span: September 16 2021 to September 22 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -5.8 °C
  • Mean temperature: -1.6 °C
  • Minimum temperature anomaly: -14.1 °C
  • Minimum temperature: -10.8 °C

Event center: 32.5°N 95.0°E

Area affected: 392051 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_2021-Sep-16_to_2021-Sep-22_95.0_32.5

Heat wave occuring from September 07 2021 to September 15 2021 at 26.5°N 93.5°E

Download data: JSON

Event type: Heat wave

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

  • Bangladesh
  • Bhutan
  • China
  • India
  • Myanmar
  • Nepal

Duration: 9 days

Time span: September 07 2021 to September 15 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 2.1 °C
  • Mean temperature: 27.7 °C
  • Maximum temperature anomaly: 3.8 °C
  • Maximum temperature: 32.0 °C

Event center: 26.5°N 93.5°E

Area affected: 648338 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_2021-Sep-07_to_2021-Sep-15_93.5_26.5

Heat wave occuring from August 17 2021 to September 07 2021 at 20.5°N 93.0°E

Download data: JSON

Event type: Heat wave

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

  • Bangladesh
  • Bhutan
  • China
  • India
  • Lao People’s Democratic Republic
  • Myanmar
  • Nepal
  • Thailand

Duration: 22 days

Time span: August 17 2021 to September 07 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 1.5 °C
  • Mean temperature: 28.3 °C
  • Maximum temperature anomaly: 3.5 °C
  • Maximum temperature: 32.0 °C

Event center: 20.5°N 93.0°E

Area affected: 1622241 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_2021-Aug-17_to_2021-Sep-07_93.0_20.5

Heat wave occuring from July 27 2021 to August 03 2021 at 29.0°N 85.5°E

Download data: JSON

Event type: Heat wave

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

  • China
  • Nepal

Duration: 8 days

Time span: July 27 2021 to August 03 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 1.9 °C
  • Mean temperature: 9.3 °C
  • Maximum temperature anomaly: 3.2 °C
  • Maximum temperature: 14.4 °C

Event center: 29.0°N 85.5°E

Area affected: 163204 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_2021-Jul-27_to_2021-Aug-03_85.5_29.0

Cold spell occuring from June 29 2021 to July 03 2021 at 25.5°N 89.5°E

Download data: JSON

Event type: Cold spell

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

  • Bangladesh
  • Bhutan
  • India
  • Nepal

Duration: 5 days

Time span: June 29 2021 to July 03 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -2.0 °C
  • Mean temperature: 24.8 °C
  • Minimum temperature anomaly: -3.3 °C
  • Minimum temperature: 17.9 °C

Event center: 25.5°N 89.5°E

Area affected: 138835 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_2021-Jun-29_to_2021-Jul-03_89.5_25.5

Cold spell occuring from June 19 2021 to June 28 2021 at 31.0°N 80.0°E

Download data: JSON

Event type: Cold spell

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

  • China
  • India
  • Nepal

Duration: 10 days

Time span: June 19 2021 to June 28 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -3.4 °C
  • Mean temperature: 2.7 °C
  • Minimum temperature anomaly: -6.5 °C
  • Minimum temperature: -4.4 °C

Event center: 31.0°N 80.0°E

Area affected: 55498 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_2021-Jun-19_to_2021-Jun-28_80.0_31.0

Cold spell occuring from June 08 2021 to June 23 2021 at 25.5°N 82.5°E

Download data: JSON

Event type: Cold spell

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

  • Bangladesh
  • China
  • India
  • Nepal

Duration: 16 days

Time span: June 08 2021 to June 23 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -4.4 °C
  • Mean temperature: 26.5 °C
  • Minimum temperature anomaly: -7.4 °C
  • Minimum temperature: -0.2 °C

Event center: 25.5°N 82.5°E

Area affected: 926260 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_2021-Jun-08_to_2021-Jun-23_82.5_25.5

Heat wave occuring from May 03 2021 to June 20 2021 at 17.5°N 121.5°E

Download data: JSON

Event type: Heat wave

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

  • Bangladesh
  • Bhutan
  • Cambodia
  • China
  • Hong Kong
  • India
  • Japan
  • Korea, Democratic People’s Republic of
  • Korea, Republic of
  • Lao People’s Democratic Republic
  • Myanmar
  • Nepal
  • Philippines
  • Russian Federation
  • Taiwan, Province of China
  • Thailand
  • Viet Nam

Duration: 49 days

Time span: May 03 2021 to June 20 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 2.3 °C
  • Mean temperature: 25.5 °C
  • Maximum temperature anomaly: 9.3 °C
  • Maximum temperature: 37.0 °C

Event center: 17.5°N 121.5°E

Area affected: 16735482 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_2021-May-03_to_2021-Jun-20_121.5_17.5

Cold spell occuring from May 02 2021 to June 07 2021 at 25.5°N 82.0°E

Download data: JSON

Event type: Cold spell

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

  • Bangladesh
  • Bhutan
  • China
  • India
  • Nepal
  • Pakistan

Duration: 37 days

Time span: May 02 2021 to June 07 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -4.5 °C
  • Mean temperature: 27.9 °C
  • Minimum temperature anomaly: -12.9 °C
  • Minimum temperature: -6.6 °C

Event center: 25.5°N 82.0°E

Area affected: 2331237 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_2021-May-02_to_2021-Jun-07_82.0_25.5