Category: Weather Extremes – all events

Heat wave occuring from August 19 2020 to August 31 2020 at 4.0°N 116.5°E

Download data: JSON

Event type: Heat wave

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

  • Indonesia
  • Malaysia

Duration: 13 days

Time span: August 19 2020 to August 31 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 1.3 °C
  • Mean temperature: 25.3 °C
  • Maximum temperature anomaly: 2.3 °C
  • Maximum temperature: 29.0 °C

Event center: 4.0°N 116.5°E

Area affected: 206831 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_2020-Aug-19_to_2020-Aug-31_116.5_4.0

Cold spell occuring from August 18 2020 to August 21 2020 at -18.0°S 20.5°E

Download data: JSON

Event type: Cold spell

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

  • Angola
  • Botswana
  • Namibia
  • South Africa

Duration: 4 days

Time span: August 18 2020 to August 21 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -5.7 °C
  • Mean temperature: 12.6 °C
  • Minimum temperature anomaly: -10.0 °C
  • Minimum temperature: 1.9 °C

Event center: -18.0°S 20.5°E

Area affected: 911396 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_2020-Aug-18_to_2020-Aug-21_20.5_-18.0

Heat wave occuring from August 18 2020 to August 23 2020 at 24.5°N 262.5°E

Download data: JSON

Event type: Heat wave

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

  • Mexico

Duration: 6 days

Time span: August 18 2020 to August 23 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 1.5 °C
  • Mean temperature: 27.4 °C
  • Maximum temperature anomaly: 2.9 °C
  • Maximum temperature: 31.1 °C

Event center: 24.5°N 262.5°E

Area affected: 114568 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_2020-Aug-18_to_2020-Aug-23_262.5_24.5

Cold spell occuring from August 18 2020 to August 20 2020 at 47.5°N 118.5°E

Download data: JSON

Event type: Cold spell

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

  • China
  • Mongolia

Duration: 3 days

Time span: August 18 2020 to August 20 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -4.5 °C
  • Mean temperature: 12.9 °C
  • Minimum temperature anomaly: -6.8 °C
  • Minimum temperature: 9.5 °C

Event center: 47.5°N 118.5°E

Area affected: 76968 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_2020-Aug-18_to_2020-Aug-20_118.5_47.5

Cold spell occuring from August 18 2020 to August 26 2020 at -61.5°S 162.5°E

Download data: JSON

Event type: Cold spell

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

  • Antarctica
  • Australia

Duration: 9 days

Time span: August 18 2020 to August 26 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -2.8 °C
  • Mean temperature: 3.8 °C
  • Minimum temperature anomaly: -12.5 °C
  • Minimum temperature: -16.2 °C

Event center: -61.5°S 162.5°E

Area affected: 2197835 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_2020-Aug-18_to_2020-Aug-26_162.5_-61.5

Cold spell occuring from August 18 2020 to August 21 2020 at 43.5°N 121.5°E

Download data: JSON

Event type: Cold spell

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

  • China

Duration: 4 days

Time span: August 18 2020 to August 21 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -4.3 °C
  • Mean temperature: 17.8 °C
  • Minimum temperature anomaly: -6.3 °C
  • Minimum temperature: 11.9 °C

Event center: 43.5°N 121.5°E

Area affected: 203048 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_2020-Aug-18_to_2020-Aug-21_121.5_43.5

Cold spell occuring from August 17 2020 to August 28 2020 at 34.0°N 46.5°E

Download data: JSON

Event type: Cold spell

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

  • Afghanistan
  • Armenia
  • Azerbaijan
  • Georgia
  • Iran, Islamic Republic of
  • Iraq
  • Kazakhstan
  • Pakistan
  • Russian Federation
  • Turkmenistan
  • Türkiye

Duration: 12 days

Time span: August 17 2020 to August 28 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -4.4 °C
  • Mean temperature: 21.6 °C
  • Minimum temperature anomaly: -10.7 °C
  • Minimum temperature: 2.0 °C

Event center: 34.0°N 46.5°E

Area affected: 1652271 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_2020-Aug-17_to_2020-Aug-28_46.5_34.0

Cold spell occuring from August 17 2020 to August 20 2020 at 13.0°N 26.5°E

Download data: JSON

Event type: Cold spell

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

  • Sudan

Duration: 4 days

Time span: August 17 2020 to August 20 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -2.6 °C
  • Mean temperature: 24.7 °C
  • Minimum temperature anomaly: -4.1 °C
  • Minimum temperature: 23.1 °C

Event center: 13.0°N 26.5°E

Area affected: 198379 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_2020-Aug-17_to_2020-Aug-20_26.5_13.0

Heat wave occuring from August 16 2020 to August 20 2020 at 15.0°N 10.5°E

Download data: JSON

Event type: Heat wave

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

  • Niger

Duration: 5 days

Time span: August 16 2020 to August 20 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 2.8 °C
  • Mean temperature: 32.7 °C
  • Maximum temperature anomaly: 4.4 °C
  • Maximum temperature: 34.0 °C

Event center: 15.0°N 10.5°E

Area affected: 56690 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_2020-Aug-16_to_2020-Aug-20_10.5_15.0

Heat wave occuring from August 16 2020 to September 03 2020 at -22.0°S 45.0°E

Download data: JSON

Event type: Heat wave

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

  • Madagascar

Duration: 19 days

Time span: August 16 2020 to September 03 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 2.4 °C
  • Mean temperature: 23.3 °C
  • Maximum temperature anomaly: 6.1 °C
  • Maximum temperature: 27.8 °C

Event center: -22.0°S 45.0°E

Area affected: 431667 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_2020-Aug-16_to_2020-Sep-03_45.0_-22.0