Category: Weather Extremes – all events

Heat wave occuring from April 12 2020 to April 22 2020 at 37.0°N 8.0°E

Download data: JSON

Event type: Heat wave

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

  • Algeria
  • Tunisia

Duration: 11 days

Time span: April 12 2020 to April 22 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 4.5 °C
  • Mean temperature: 21.3 °C
  • Maximum temperature anomaly: 7.9 °C
  • Maximum temperature: 29.7 °C

Event center: 37.0°N 8.0°E

Area affected: 428762 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-12_to_2020-Apr-22_8.0_37.0

Heat wave occuring from April 12 2020 to May 07 2020 at -67.5°S 102.5°E

Download data: JSON

Event type: Heat wave

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

  • Antarctica

Duration: 26 days

Time span: April 12 2020 to May 07 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 10.9 °C
  • Mean temperature: -27.0 °C
  • Maximum temperature anomaly: 21.4 °C
  • Maximum temperature: 9.1 °C

Event center: -67.5°S 102.5°E

Area affected: 11775036 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-12_to_2020-May-07_102.5_-67.5

Cold spell occuring from April 12 2020 to April 21 2020 at -19.0°S 294.0°E

Download data: JSON

Event type: Cold spell

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

  • Argentina
  • Bolivia, Plurinational State of
  • Chile
  • Peru

Duration: 10 days

Time span: April 12 2020 to April 21 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -2.5 °C
  • Mean temperature: 6.0 °C
  • Minimum temperature anomaly: -7.3 °C
  • Minimum temperature: -3.3 °C

Event center: -19.0°S 294.0°E

Area affected: 219252 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-12_to_2020-Apr-21_294.0_-19.0

Heat wave occuring from April 12 2020 to April 19 2020 at 9.5°N 356.5°E

Download data: JSON

Event type: Heat wave

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

  • Benin
  • Burkina Faso
  • Côte d’Ivoire
  • Ghana
  • Guinea
  • Mali
  • Niger

Duration: 8 days

Time span: April 12 2020 to April 19 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 2.6 °C
  • Mean temperature: 32.4 °C
  • Maximum temperature anomaly: 5.5 °C
  • Maximum temperature: 37.3 °C

Event center: 9.5°N 356.5°E

Area affected: 285541 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-12_to_2020-Apr-19_356.5_9.5

Cold spell occuring from April 12 2020 to April 14 2020 at 21.0°N 102.5°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
  • Viet Nam

Duration: 3 days

Time span: April 12 2020 to April 14 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -5.0 °C
  • Mean temperature: 18.0 °C
  • Minimum temperature anomaly: -9.2 °C
  • Minimum temperature: 11.5 °C

Event center: 21.0°N 102.5°E

Area affected: 280505 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-12_to_2020-Apr-14_102.5_21.0

Heat wave occuring from April 12 2020 to April 18 2020 at 6.5°N 6.0°E

Download data: JSON

Event type: Heat wave

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

  • Benin
  • Cameroon
  • Côte d’Ivoire
  • Ghana
  • Nigeria
  • Togo

Duration: 7 days

Time span: April 12 2020 to April 18 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 1.7 °C
  • Mean temperature: 29.0 °C
  • Maximum temperature anomaly: 3.2 °C
  • Maximum temperature: 34.0 °C

Event center: 6.5°N 6.0°E

Area affected: 353311 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-12_to_2020-Apr-18_6.0_6.5

Cold spell occuring from April 12 2020 to April 20 2020 at 17.5°N 113.5°E

Download data: JSON

Event type: Cold spell

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

  • China

Duration: 9 days

Time span: April 12 2020 to April 20 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -1.8 °C
  • Mean temperature: 24.6 °C
  • Minimum temperature anomaly: -4.7 °C
  • Minimum temperature: 20.5 °C

Event center: 17.5°N 113.5°E

Area affected: 214660 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-12_to_2020-Apr-20_113.5_17.5

Cold spell occuring from April 12 2020 to April 20 2020 at 20.0°N 245.0°E

Download data: JSON

Event type: Cold spell

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

  • Mexico

Duration: 9 days

Time span: April 12 2020 to April 20 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -1.6 °C
  • Mean temperature: 19.9 °C
  • Minimum temperature anomaly: -2.0 °C
  • Minimum temperature: 17.4 °C

Event center: 20.0°N 245.0°E

Area affected: 184350 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-12_to_2020-Apr-20_245.0_20.0

Cold spell occuring from April 12 2020 to April 18 2020 at 20.5°N 131.0°E

Download data: JSON

Event type: Cold spell

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

  • Philippines
  • Taiwan, Province of China

Duration: 7 days

Time span: April 12 2020 to April 18 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -2.3 °C
  • Mean temperature: 22.3 °C
  • Minimum temperature anomaly: -6.2 °C
  • Minimum temperature: 8.9 °C

Event center: 20.5°N 131.0°E

Area affected: 1612573 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-12_to_2020-Apr-18_131.0_20.5

Cold spell occuring from April 11 2020 to April 20 2020 at 22.5°N 38.5°E

Download data: JSON

Event type: Cold spell

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

  • Eritrea
  • Saudi Arabia
  • Sudan

Duration: 10 days

Time span: April 11 2020 to April 20 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -2.2 °C
  • Mean temperature: 24.9 °C
  • Minimum temperature anomaly: -5.4 °C
  • Minimum temperature: 20.9 °C

Event center: 22.5°N 38.5°E

Area affected: 290430 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-11_to_2020-Apr-20_38.5_22.5