Category: Weather Extremes – all events

Heat wave occuring from July 20 2020 to August 06 2020 at 36.0°N 357.0°E

Download data: JSON

Event type: Heat wave

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

  • Algeria
  • Austria
  • Bosnia and Herzegovina
  • Croatia
  • France
  • Italy
  • Libya
  • Morocco
  • Portugal
  • Slovenia
  • Spain
  • Switzerland
  • Tunisia

Duration: 18 days

Time span: July 20 2020 to August 06 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 2.9 °C
  • Mean temperature: 27.2 °C
  • Maximum temperature anomaly: 9.3 °C
  • Maximum temperature: 35.7 °C

Event center: 35.0°N 0.0°E

Area affected: 1904440 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-Jul-20_to_2020-Aug-06_357.0_36.0

Cold spell occuring from July 20 2020 to July 24 2020 at 56.5°N 9.0°E

Download data: JSON

Event type: Cold spell

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

  • Denmark
  • Sweden

Duration: 5 days

Time span: July 20 2020 to July 24 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -3.2 °C
  • Mean temperature: 14.4 °C
  • Minimum temperature anomaly: -4.2 °C
  • Minimum temperature: 13.0 °C

Event center: 56.5°N 9.0°E

Area affected: 51471 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-Jul-20_to_2020-Jul-24_9.0_56.5

Heat wave occuring from July 20 2020 to July 24 2020 at 57.0°N 207.5°E

Download data: JSON

Event type: Heat wave

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

  • United States

Duration: 5 days

Time span: July 20 2020 to July 24 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 2.1 °C
  • Mean temperature: 13.8 °C
  • Maximum temperature anomaly: 3.8 °C
  • Maximum temperature: 15.5 °C

Event center: 57.0°N 207.5°E

Area affected: 77342 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-Jul-20_to_2020-Jul-24_207.5_57.0

Cold spell occuring from July 20 2020 to July 27 2020 at -67.5°S 161.5°E

Download data: JSON

Event type: Cold spell

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

  • Antarctica

Duration: 8 days

Time span: July 20 2020 to July 27 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -10.9 °C
  • Mean temperature: -25.8 °C
  • Minimum temperature anomaly: -16.7 °C
  • Minimum temperature: -34.2 °C

Event center: -67.5°S 161.5°E

Area affected: 542151 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-Jul-20_to_2020-Jul-27_161.5_-67.5

Cold spell occuring from July 19 2020 to July 31 2020 at 69.0°N 335.5°E

Download data: JSON

Event type: Cold spell

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

  • Greenland

Duration: 13 days

Time span: July 19 2020 to July 31 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -3.0 °C
  • Mean temperature: -0.7 °C
  • Minimum temperature anomaly: -5.8 °C
  • Minimum temperature: -11.3 °C

Event center: 69.0°N 335.5°E

Area affected: 89087 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-Jul-19_to_2020-Jul-31_335.5_69.0

Heat wave occuring from July 19 2020 to August 14 2020 at 57.5°N 149.0°E

Download data: JSON

Event type: Heat wave

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

  • Russian Federation

Duration: 27 days

Time span: July 19 2020 to August 14 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 2.2 °C
  • Mean temperature: 14.4 °C
  • Maximum temperature anomaly: 4.5 °C
  • Maximum temperature: 17.5 °C

Event center: 57.5°N 149.0°E

Area affected: 402006 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-Jul-19_to_2020-Aug-14_149.0_57.5

Heat wave occuring from July 19 2020 to July 24 2020 at -59.5°S 206.0°E

Download data: JSON

Event type: Heat wave

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

  • Antarctica

Duration: 6 days

Time span: July 19 2020 to July 24 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 3.1 °C
  • Mean temperature: 5.7 °C
  • Maximum temperature anomaly: 6.6 °C
  • Maximum temperature: 16.1 °C

Event center: -59.5°S 206.0°E

Area affected: 1445031 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-Jul-19_to_2020-Jul-24_206.0_-59.5

Heat wave occuring from July 19 2020 to July 26 2020 at 6.0°N 354.5°E

Download data: JSON

Event type: Heat wave

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

  • Côte d’Ivoire
  • Ghana
  • Liberia

Duration: 8 days

Time span: July 19 2020 to July 26 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 1.2 °C
  • Mean temperature: 25.8 °C
  • Maximum temperature anomaly: 1.8 °C
  • Maximum temperature: 27.0 °C

Event center: 6.0°N 354.5°E

Area affected: 141330 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-Jul-19_to_2020-Jul-26_354.5_6.0

Heat wave occuring from July 19 2020 to July 24 2020 at 41.0°N 293.0°E

Download data: JSON

Event type: Heat wave

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

  • United States

Duration: 6 days

Time span: July 19 2020 to July 24 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 3.0 °C
  • Mean temperature: 24.3 °C
  • Maximum temperature anomaly: 5.1 °C
  • Maximum temperature: 26.8 °C

Event center: 41.0°N 293.0°E

Area affected: 65688 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-Jul-19_to_2020-Jul-24_293.0_41.0

Cold spell occuring from July 18 2020 to July 27 2020 at 71.5°N 345.0°E

Download data: JSON

Event type: Cold spell

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

  • Belarus
  • Estonia
  • Finland
  • Latvia
  • Lithuania
  • Norway
  • Russian Federation
  • Sweden

Duration: 10 days

Time span: July 18 2020 to July 27 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -4.4 °C
  • Mean temperature: 12.0 °C
  • Minimum temperature anomaly: -7.6 °C
  • Minimum temperature: 2.6 °C

Event center: 60.0°N 7.0°E

Area affected: 1657326 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-Jul-18_to_2020-Jul-27_345.0_71.5