Category: Extremes affecting Sri Lanka

Heat wave occuring from April 06 2023 to April 22 2023 at 6.0°N 84.0°E

Download data: JSON

Event type: Heat wave

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

  • Sri Lanka

Duration: 17 days

Time span: April 06 2023 to April 22 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 1.2 °C
  • Mean temperature: 29.0 °C
  • Maximum temperature anomaly: 2.0 °C
  • Maximum temperature: 29.8 °C

Event center: 6.0°N 84.0°E

Area affected: 1674350 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-06_to_2023-Apr-22_84.0_6.0

Cold spell occuring from February 18 2023 to March 01 2023 at 4.5°N 78.5°E

Download data: JSON

Event type: Cold spell

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

  • Sri Lanka

Duration: 12 days

Time span: February 18 2023 to March 01 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -1.2 °C
  • Mean temperature: 26.0 °C
  • Minimum temperature anomaly: -2.0 °C
  • Minimum temperature: 25.4 °C

Event center: 4.5°N 78.5°E

Area affected: 752578 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_2023-Feb-18_to_2023-Mar-01_78.5_4.5

Cold spell occuring from February 11 2023 to February 18 2023 at 10.5°N 79.0°E

Download data: JSON

Event type: Cold spell

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

  • India
  • Sri Lanka

Duration: 8 days

Time span: February 11 2023 to February 18 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -1.0 °C
  • Mean temperature: 25.7 °C
  • Minimum temperature anomaly: -2.2 °C
  • Minimum temperature: 23.6 °C

Event center: 10.5°N 79.0°E

Area affected: 143550 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_2023-Feb-11_to_2023-Feb-18_79.0_10.5

Heat wave occuring from November 18 2022 to December 01 2022 at 6.0°N 82.0°E

Download data: JSON

Event type: Heat wave

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

  • Sri Lanka

Duration: 14 days

Time span: November 18 2022 to December 01 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 1.1 °C
  • Mean temperature: 27.6 °C
  • Maximum temperature anomaly: 1.7 °C
  • Maximum temperature: 28.1 °C

Event center: 6.0°N 82.0°E

Area affected: 236888 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-18_to_2022-Dec-01_82.0_6.0

Heat wave occuring from September 29 2022 to October 05 2022 at 10.5°N 80.0°E

Download data: JSON

Event type: Heat wave

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

  • India
  • Sri Lanka

Duration: 7 days

Time span: September 29 2022 to October 05 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 1.1 °C
  • Mean temperature: 28.9 °C
  • Maximum temperature anomaly: 1.9 °C
  • Maximum temperature: 29.9 °C

Event center: 10.5°N 80.0°E

Area affected: 151706 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-Sep-29_to_2022-Oct-05_80.0_10.5

Heat wave occuring from August 31 2022 to October 06 2022 at 11.0°N 92.0°E

Download data: JSON

Event type: Heat wave

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

  • India
  • Indonesia
  • Myanmar
  • Sri Lanka
  • Thailand

Duration: 37 days

Time span: August 31 2022 to October 06 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 1.0 °C
  • Mean temperature: 28.1 °C
  • Maximum temperature anomaly: 3.2 °C
  • Maximum temperature: 33.1 °C

Event center: 11.0°N 92.0°E

Area affected: 2846047 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-Aug-31_to_2022-Oct-06_92.0_11.0

Cold spell occuring from August 22 2022 to September 08 2022 at 9.5°N 78.0°E

Download data: JSON

Event type: Cold spell

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

  • India
  • Sri Lanka

Duration: 18 days

Time span: August 22 2022 to September 08 2022

Statistics over entire affected area:

  • Mean temperature anomaly: -1.3 °C
  • Mean temperature: 26.9 °C
  • Minimum temperature anomaly: -4.5 °C
  • Minimum temperature: 21.5 °C

Event center: 9.5°N 78.0°E

Area affected: 616371 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_2022-Aug-22_to_2022-Sep-08_78.0_9.5

Cold spell occuring from July 21 2022 to August 11 2022 at 7.5°N 81.0°E

Download data: JSON

Event type: Cold spell

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

  • India
  • Sri Lanka

Duration: 22 days

Time span: July 21 2022 to August 11 2022

Statistics over entire affected area:

  • Mean temperature anomaly: -1.3 °C
  • Mean temperature: 26.7 °C
  • Minimum temperature anomaly: -4.8 °C
  • Minimum temperature: 20.1 °C

Event center: 7.5°N 81.0°E

Area affected: 1202108 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_2022-Jul-21_to_2022-Aug-11_81.0_7.5

Heat wave occuring from June 27 2022 to July 13 2022 at 8.0°N 84.0°E

Download data: JSON

Event type: Heat wave

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

  • Sri Lanka

Duration: 17 days

Time span: June 27 2022 to July 13 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 0.8 °C
  • Mean temperature: 29.1 °C
  • Maximum temperature anomaly: 1.3 °C
  • Maximum temperature: 30.5 °C

Event center: 8.0°N 84.0°E

Area affected: 82736 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-Jun-27_to_2022-Jul-13_84.0_8.0

Cold spell occuring from June 04 2022 to June 24 2022 at 11.0°N 80.0°E

Download data: JSON

Event type: Cold spell

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

  • India
  • Sri Lanka

Duration: 21 days

Time span: June 04 2022 to June 24 2022

Statistics over entire affected area:

  • Mean temperature anomaly: -1.2 °C
  • Mean temperature: 27.4 °C
  • Minimum temperature anomaly: -3.5 °C
  • Minimum temperature: 22.8 °C

Event center: 11.0°N 80.0°E

Area affected: 1544034 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_2022-Jun-04_to_2022-Jun-24_80.0_11.0