Category: Weather Extremes – all events

Heat wave occuring from April 01 2020 to April 09 2020 at 45.5°N 74.0°E

Download data: JSON

Event type: Heat wave

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

  • China
  • Kazakhstan
  • Mongolia
  • Russian Federation

Duration: 9 days

Time span: April 01 2020 to April 09 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 7.6 °C
  • Mean temperature: 12.1 °C
  • Maximum temperature anomaly: 11.6 °C
  • Maximum temperature: 24.1 °C

Event center: 45.5°N 74.0°E

Area affected: 968952 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-01_to_2020-Apr-09_74.0_45.5

Heat wave occuring from April 01 2020 to April 23 2020 at 2.0°N 146.5°E

Download data: JSON

Event type: Heat wave

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

  • Indonesia
  • Papua New Guinea

Duration: 23 days

Time span: April 01 2020 to April 23 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 1.3 °C
  • Mean temperature: 28.0 °C
  • Maximum temperature anomaly: 2.8 °C
  • Maximum temperature: 29.9 °C

Event center: 2.0°N 146.5°E

Area affected: 1694603 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-01_to_2020-Apr-23_146.5_2.0

Cold spell occuring from March 31 2020 to April 06 2020 at -29.5°S 46.5°E

Download data: JSON

Event type: Cold spell

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

  • Madagascar

Duration: 7 days

Time span: March 31 2020 to April 06 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -2.1 °C
  • Mean temperature: 21.6 °C
  • Minimum temperature anomaly: -3.9 °C
  • Minimum temperature: 17.1 °C

Event center: -29.5°S 46.5°E

Area affected: 587449 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-Mar-31_to_2020-Apr-06_46.5_-29.5

Heat wave occuring from March 31 2020 to April 04 2020 at 54.0°N 103.5°E

Download data: JSON

Event type: Heat wave

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

  • Russian Federation

Duration: 5 days

Time span: March 31 2020 to April 04 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 6.3 °C
  • Mean temperature: 4.1 °C
  • Maximum temperature anomaly: 8.7 °C
  • Maximum temperature: 8.0 °C

Event center: 54.0°N 103.5°E

Area affected: 92600 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-Mar-31_to_2020-Apr-04_103.5_54.0

Heat wave occuring from March 31 2020 to April 02 2020 at -46.0°S 278.5°E

Download data: JSON

Event type: Heat wave

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

  • Chile

Duration: 3 days

Time span: March 31 2020 to April 02 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 2.0 °C
  • Mean temperature: 11.4 °C
  • Maximum temperature anomaly: 3.2 °C
  • Maximum temperature: 14.8 °C

Event center: -46.0°S 278.5°E

Area affected: 430743 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-Mar-31_to_2020-Apr-02_278.5_-46.0

Cold spell occuring from March 30 2020 to April 04 2020 at 42.5°N 17.0°E

Download data: JSON

Event type: Cold spell

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

  • Albania
  • Austria
  • Bosnia and Herzegovina
  • Bulgaria
  • Croatia
  • Czechia
  • Germany
  • Greece
  • Hungary
  • Italy
  • Montenegro
  • North Macedonia
  • Poland
  • Romania
  • Serbia
  • Slovakia
  • Slovenia
  • Switzerland
  • Ukraine

Duration: 6 days

Time span: March 30 2020 to April 04 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -5.5 °C
  • Mean temperature: 4.4 °C
  • Minimum temperature anomaly: -11.2 °C
  • Minimum temperature: -6.8 °C

Event center: 42.5°N 17.0°E

Area affected: 1385616 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-Mar-30_to_2020-Apr-04_17.0_42.5

Heat wave occuring from March 30 2020 to April 02 2020 at -10.0°S 36.5°E

Download data: JSON

Event type: Heat wave

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

  • Mozambique
  • Tanzania, United Republic of

Duration: 4 days

Time span: March 30 2020 to April 02 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 1.4 °C
  • Mean temperature: 23.6 °C
  • Maximum temperature anomaly: 2.4 °C
  • Maximum temperature: 26.2 °C

Event center: -10.0°S 36.5°E

Area affected: 79132 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-Mar-30_to_2020-Apr-02_36.5_-10.0

Heat wave occuring from March 30 2020 to April 01 2020 at -66.5°S 172.5°E

Download data: JSON

Event type: Heat wave

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

  • Antarctica

Duration: 3 days

Time span: March 30 2020 to April 01 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 3.4 °C
  • Mean temperature: 1.0 °C
  • Maximum temperature anomaly: 5.3 °C
  • Maximum temperature: 3.5 °C

Event center: -66.5°S 172.5°E

Area affected: 229772 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-Mar-30_to_2020-Apr-01_172.5_-66.5

Heat wave occuring from March 30 2020 to April 05 2020 at -18.0°S 197.5°E

Download data: JSON

Event type: Heat wave

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

  • Cook Islands

Duration: 7 days

Time span: March 30 2020 to April 05 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 1.1 °C
  • Mean temperature: 28.0 °C
  • Maximum temperature anomaly: 1.6 °C
  • Maximum temperature: 28.8 °C

Event center: -18.0°S 197.5°E

Area affected: 547349 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-Mar-30_to_2020-Apr-05_197.5_-18.0

Heat wave occuring from March 30 2020 to April 11 2020 at 83.0°N 284.0°E

Download data: JSON

Event type: Heat wave

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

  • Canada
  • Greenland
  • Russian Federation
  • United States

Duration: 13 days

Time span: March 30 2020 to April 11 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 8.0 °C
  • Mean temperature: -14.7 °C
  • Maximum temperature anomaly: 19.2 °C
  • Maximum temperature: -4.2 °C

Event center: 83.0°N 284.0°E

Area affected: 2739533 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-Mar-30_to_2020-Apr-11_284.0_83.0