Category: Weather Extremes – all events

Cold spell occuring from April 23 2020 to April 27 2020 at 64.5°N 231.5°E

Download data: JSON

Event type: Cold spell

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

  • Canada
  • United States

Duration: 5 days

Time span: April 23 2020 to April 27 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -9.7 °C
  • Mean temperature: -15.9 °C
  • Minimum temperature anomaly: -15.6 °C
  • Minimum temperature: -26.4 °C

Event center: 64.5°N 231.5°E

Area affected: 1081575 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-Apr-23_to_2020-Apr-27_231.5_64.5

Heat wave occuring from April 22 2020 to May 04 2020 at -40.5°S 286.0°E

Download data: JSON

Event type: Heat wave

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

  • Chile

Duration: 13 days

Time span: April 22 2020 to May 04 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 2.1 °C
  • Mean temperature: 12.7 °C
  • Maximum temperature anomaly: 3.1 °C
  • Maximum temperature: 16.6 °C

Event center: -40.5°S 286.0°E

Area affected: 708784 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-Apr-22_to_2020-May-04_286.0_-40.5

Heat wave occuring from April 22 2020 to May 11 2020 at 33.0°N 244.5°E

Download data: JSON

Event type: Heat wave

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

  • Mexico
  • United States

Duration: 20 days

Time span: April 22 2020 to May 11 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 5.3 °C
  • Mean temperature: 24.0 °C
  • Maximum temperature anomaly: 12.3 °C
  • Maximum temperature: 34.2 °C

Event center: 33.0°N 244.5°E

Area affected: 2716134 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-Apr-22_to_2020-May-11_244.5_33.0

Heat wave occuring from April 22 2020 to April 27 2020 at -34.0°S 18.0°E

Download data: JSON

Event type: Heat wave

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

  • South Africa

Duration: 6 days

Time span: April 22 2020 to April 27 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 2.1 °C
  • Mean temperature: 19.6 °C
  • Maximum temperature anomaly: 4.2 °C
  • Maximum temperature: 21.2 °C

Event center: -34.0°S 18.0°E

Area affected: 86708 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-Apr-22_to_2020-Apr-27_18.0_-34.0

Heat wave occuring from April 22 2020 to April 30 2020 at -68.5°S 157.0°E

Download data: JSON

Event type: Heat wave

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

  • Antarctica

Duration: 9 days

Time span: April 22 2020 to April 30 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 8.7 °C
  • Mean temperature: -17.7 °C
  • Maximum temperature anomaly: 13.3 °C
  • Maximum temperature: -7.0 °C

Event center: -68.5°S 157.0°E

Area affected: 181680 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-Apr-22_to_2020-Apr-30_157.0_-68.5

Cold spell occuring from April 21 2020 to April 23 2020 at -16.5°S 41.0°E

Download data: JSON

Event type: Cold spell

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

  • Mozambique

Duration: 3 days

Time span: April 21 2020 to April 23 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -1.4 °C
  • Mean temperature: 25.8 °C
  • Minimum temperature anomaly: -2.1 °C
  • Minimum temperature: 24.9 °C

Event center: -16.5°S 41.0°E

Area affected: 98147 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-Apr-21_to_2020-Apr-23_41.0_-16.5

Cold spell occuring from April 21 2020 to April 26 2020 at -16.5°S 20.0°E

Download data: JSON

Event type: Cold spell

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

  • Angola
  • Botswana
  • Namibia
  • Zambia

Duration: 6 days

Time span: April 21 2020 to April 26 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -2.6 °C
  • Mean temperature: 19.9 °C
  • Minimum temperature anomaly: -4.0 °C
  • Minimum temperature: 18.4 °C

Event center: -16.5°S 20.0°E

Area affected: 275198 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-Apr-21_to_2020-Apr-26_20.0_-16.5

Cold spell occuring from April 21 2020 to April 25 2020 at -15.5°S 214.5°E

Download data: JSON

Event type: Cold spell

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

  • French Polynesia

Duration: 5 days

Time span: April 21 2020 to April 25 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -1.2 °C
  • Mean temperature: 25.9 °C
  • Minimum temperature anomaly: -1.8 °C
  • Minimum temperature: 25.1 °C

Event center: -15.5°S 214.5°E

Area affected: 205488 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-Apr-21_to_2020-Apr-25_214.5_-15.5

Cold spell occuring from April 21 2020 to April 27 2020 at 37.0°N 88.0°E

Download data: JSON

Event type: Cold spell

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

  • China

Duration: 7 days

Time span: April 21 2020 to April 27 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -5.9 °C
  • Mean temperature: -14.3 °C
  • Minimum temperature anomaly: -9.5 °C
  • Minimum temperature: -18.4 °C

Event center: 37.0°N 88.0°E

Area affected: 86914 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-Apr-21_to_2020-Apr-27_88.0_37.0

Cold spell occuring from April 21 2020 to April 26 2020 at 57.5°N 48.0°E

Download data: JSON

Event type: Cold spell

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

  • Russian Federation

Duration: 6 days

Time span: April 21 2020 to April 26 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -6.8 °C
  • Mean temperature: -0.4 °C
  • Minimum temperature anomaly: -10.1 °C
  • Minimum temperature: -4.3 °C

Event center: 57.5°N 48.0°E

Area affected: 418512 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-Apr-21_to_2020-Apr-26_48.0_57.5