Category: Weather Extremes – all events

Heat wave occuring from May 18 2020 to May 20 2020 at 56.0°N 276.0°E

Download data: JSON

Event type: Heat wave

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

  • Canada

Duration: 3 days

Time span: May 18 2020 to May 20 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 4.4 °C
  • Mean temperature: 3.1 °C
  • Maximum temperature anomaly: 8.3 °C
  • Maximum temperature: 8.0 °C

Event center: 56.0°N 276.0°E

Area affected: 60393 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-May-18_to_2020-May-20_276.0_56.0

Heat wave occuring from May 18 2020 to May 23 2020 at -12.0°S 287.5°E

Download data: JSON

Event type: Heat wave

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

  • Peru

Duration: 6 days

Time span: May 18 2020 to May 23 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 1.5 °C
  • Mean temperature: 23.8 °C
  • Maximum temperature anomaly: 2.4 °C
  • Maximum temperature: 27.5 °C

Event center: -12.0°S 287.5°E

Area affected: 88059 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-May-18_to_2020-May-23_287.5_-12.0

Heat wave occuring from May 18 2020 to May 20 2020 at -55.0°S 161.0°E

Download data: JSON

Event type: Heat wave

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

  • Australia

Duration: 3 days

Time span: May 18 2020 to May 20 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 2.5 °C
  • Mean temperature: 8.5 °C
  • Maximum temperature anomaly: 3.9 °C
  • Maximum temperature: 11.0 °C

Event center: -55.0°S 161.0°E

Area affected: 160144 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-May-18_to_2020-May-20_161.0_-55.0

Heat wave occuring from May 18 2020 to May 20 2020 at -18.0°S 140.5°E

Download data: JSON

Event type: Heat wave

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

  • Australia

Duration: 3 days

Time span: May 18 2020 to May 20 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 3.4 °C
  • Mean temperature: 28.5 °C
  • Maximum temperature anomaly: 4.5 °C
  • Maximum temperature: 29.7 °C

Event center: -18.0°S 140.5°E

Area affected: 50307 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-May-18_to_2020-May-20_140.5_-18.0

Cold spell occuring from May 17 2020 to May 24 2020 at 11.0°N 38.5°E

Download data: JSON

Event type: Cold spell

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

  • Eritrea
  • Ethiopia

Duration: 8 days

Time span: May 17 2020 to May 24 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -3.6 °C
  • Mean temperature: 19.6 °C
  • Minimum temperature anomaly: -6.2 °C
  • Minimum temperature: 13.0 °C

Event center: 11.0°N 38.5°E

Area affected: 150764 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-May-17_to_2020-May-24_38.5_11.0

Cold spell occuring from May 17 2020 to May 26 2020 at 44.0°N 134.5°E

Download data: JSON

Event type: Cold spell

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

  • China
  • Russian Federation

Duration: 10 days

Time span: May 17 2020 to May 26 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -4.0 °C
  • Mean temperature: 6.3 °C
  • Minimum temperature anomaly: -8.3 °C
  • Minimum temperature: 2.5 °C

Event center: 44.0°N 134.5°E

Area affected: 96369 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-May-17_to_2020-May-26_134.5_44.0

Cold spell occuring from May 17 2020 to May 24 2020 at 42.0°N 151.0°E

Download data: JSON

Event type: Cold spell

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

  • Japan

Duration: 8 days

Time span: May 17 2020 to May 24 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -3.3 °C
  • Mean temperature: 4.5 °C
  • Minimum temperature anomaly: -8.7 °C
  • Minimum temperature: 1.5 °C

Event center: 42.0°N 151.0°E

Area affected: 545966 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-May-17_to_2020-May-24_151.0_42.0

Cold spell occuring from May 17 2020 to May 26 2020 at -6.5°S 35.5°E

Download data: JSON

Event type: Cold spell

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

  • Tanzania, United Republic of

Duration: 10 days

Time span: May 17 2020 to May 26 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -1.8 °C
  • Mean temperature: 20.9 °C
  • Minimum temperature anomaly: -3.3 °C
  • Minimum temperature: 15.4 °C

Event center: -6.5°S 35.5°E

Area affected: 264320 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-May-17_to_2020-May-26_35.5_-6.5

Heat wave occuring from May 17 2020 to May 23 2020 at 51.0°N 260.5°E

Download data: JSON

Event type: Heat wave

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

  • Canada
  • United States

Duration: 7 days

Time span: May 17 2020 to May 23 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 7.3 °C
  • Mean temperature: 19.4 °C
  • Maximum temperature anomaly: 11.8 °C
  • Maximum temperature: 22.8 °C

Event center: 51.0°N 260.5°E

Area affected: 241635 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-May-17_to_2020-May-23_260.5_51.0

Heat wave occuring from May 17 2020 to May 20 2020 at 37.5°N 254.0°E

Download data: JSON

Event type: Heat wave

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

  • United States

Duration: 4 days

Time span: May 17 2020 to May 20 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 5.3 °C
  • Mean temperature: 13.8 °C
  • Maximum temperature anomaly: 7.9 °C
  • Maximum temperature: 21.7 °C

Event center: 37.5°N 254.0°E

Area affected: 110422 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-May-17_to_2020-May-20_254.0_37.5