Category: Weather Extremes – all events

Cold spell occuring from August 16 2020 to August 19 2020 at 25.5°N 100.5°E

Download data: JSON

Event type: Cold spell

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

  • China
  • Lao People’s Democratic Republic
  • Myanmar
  • Viet Nam

Duration: 4 days

Time span: August 16 2020 to August 19 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -2.5 °C
  • Mean temperature: 19.5 °C
  • Minimum temperature anomaly: -5.4 °C
  • Minimum temperature: 12.8 °C

Event center: 25.5°N 100.5°E

Area affected: 259138 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-16_to_2020-Aug-19_100.5_25.5

Cold spell occuring from August 16 2020 to August 19 2020 at -80.0°S 261.0°E

Download data: JSON

Event type: Cold spell

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

  • Antarctica

Duration: 4 days

Time span: August 16 2020 to August 19 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -9.2 °C
  • Mean temperature: -45.3 °C
  • Minimum temperature anomaly: -13.5 °C
  • Minimum temperature: -49.7 °C

Event center: -80.0°S 261.0°E

Area affected: 81976 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-16_to_2020-Aug-19_261.0_-80.0

Heat wave occuring from August 15 2020 to August 23 2020 at 41.0°N 346.5°E

Download data: JSON

Event type: Heat wave

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

  • Portugal

Duration: 9 days

Time span: August 15 2020 to August 23 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 1.5 °C
  • Mean temperature: 22.4 °C
  • Maximum temperature anomaly: 2.5 °C
  • Maximum temperature: 24.8 °C

Event center: 41.0°N 346.5°E

Area affected: 1236544 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-15_to_2020-Aug-23_346.5_41.0

Cold spell occuring from August 15 2020 to September 13 2020 at -81.5°S 298.5°E

Download data: JSON

Event type: Cold spell

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

  • Antarctica
  • Argentina
  • Chile

Duration: 30 days

Time span: August 15 2020 to September 13 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -9.5 °C
  • Mean temperature: -35.0 °C
  • Minimum temperature anomaly: -22.2 °C
  • Minimum temperature: -65.0 °C

Event center: -81.5°S 298.5°E

Area affected: 11557141 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-15_to_2020-Sep-13_298.5_-81.5

Cold spell occuring from August 15 2020 to August 18 2020 at -73.5°S 33.0°E

Download data: JSON

Event type: Cold spell

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

  • Antarctica

Duration: 4 days

Time span: August 15 2020 to August 18 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -8.4 °C
  • Mean temperature: -58.2 °C
  • Minimum temperature anomaly: -12.0 °C
  • Minimum temperature: -71.7 °C

Event center: -73.5°S 33.0°E

Area affected: 220431 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-15_to_2020-Aug-18_33.0_-73.5

Heat wave occuring from August 15 2020 to August 20 2020 at 15.0°N 344.0°E

Download data: JSON

Event type: Heat wave

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

  • Gambia
  • Senegal

Duration: 6 days

Time span: August 15 2020 to August 20 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 1.3 °C
  • Mean temperature: 28.6 °C
  • Maximum temperature anomaly: 2.7 °C
  • Maximum temperature: 31.1 °C

Event center: 15.0°N 344.0°E

Area affected: 101560 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-15_to_2020-Aug-20_344.0_15.0

Cold spell occuring from August 15 2020 to August 20 2020 at -66.5°S 43.0°E

Download data: JSON

Event type: Cold spell

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

  • Antarctica

Duration: 6 days

Time span: August 15 2020 to August 20 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -8.3 °C
  • Mean temperature: -24.0 °C
  • Minimum temperature anomaly: -11.6 °C
  • Minimum temperature: -28.7 °C

Event center: -66.5°S 43.0°E

Area affected: 663079 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-15_to_2020-Aug-20_43.0_-66.5

Heat wave occuring from August 15 2020 to August 22 2020 at -62.5°S 90.5°E

Download data: JSON

Event type: Heat wave

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

  • Antarctica

Duration: 8 days

Time span: August 15 2020 to August 22 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 7.6 °C
  • Mean temperature: -12.0 °C
  • Maximum temperature anomaly: 20.5 °C
  • Maximum temperature: 6.9 °C

Event center: -62.5°S 90.5°E

Area affected: 2485283 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-15_to_2020-Aug-22_90.5_-62.5

Cold spell occuring from August 15 2020 to August 19 2020 at -39.5°S 18.0°E

Download data: JSON

Event type: Cold spell

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

  • South Africa

Duration: 5 days

Time span: August 15 2020 to August 19 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -3.4 °C
  • Mean temperature: 9.8 °C
  • Minimum temperature anomaly: -6.4 °C
  • Minimum temperature: 2.7 °C

Event center: -39.5°S 18.0°E

Area affected: 349708 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-15_to_2020-Aug-19_18.0_-39.5

Heat wave occuring from August 14 2020 to August 28 2020 at 59.0°N 208.0°E

Download data: JSON

Event type: Heat wave

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

  • Canada
  • United States

Duration: 15 days

Time span: August 14 2020 to August 28 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 4.4 °C
  • Mean temperature: 13.4 °C
  • Maximum temperature anomaly: 9.2 °C
  • Maximum temperature: 20.1 °C

Event center: 59.0°N 208.0°E

Area affected: 1869447 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-14_to_2020-Aug-28_208.0_59.0