Category: Weather Extremes – all events

Heat wave occuring from July 15 2020 to July 25 2020 at 22.5°N 344.0°E

Download data: JSON

Event type: Heat wave

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

  • Algeria
  • Mauritania

Duration: 11 days

Time span: July 15 2020 to July 25 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 3.4 °C
  • Mean temperature: 37.8 °C
  • Maximum temperature anomaly: 7.3 °C
  • Maximum temperature: 41.4 °C

Event center: 22.5°N 344.0°E

Area affected: 384737 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-15_to_2020-Jul-25_344.0_22.5

Cold spell occuring from July 15 2020 to July 21 2020 at 60.5°N 99.5°E

Download data: JSON

Event type: Cold spell

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

  • Russian Federation

Duration: 7 days

Time span: July 15 2020 to July 21 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -5.8 °C
  • Mean temperature: 11.9 °C
  • Minimum temperature anomaly: -8.8 °C
  • Minimum temperature: 5.5 °C

Event center: 60.5°N 99.5°E

Area affected: 1158936 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-15_to_2020-Jul-21_99.5_60.5

Heat wave occuring from July 14 2020 to July 24 2020 at 58.0°N 203.0°E

Download data: JSON

Event type: Heat wave

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

  • United States

Duration: 11 days

Time span: July 14 2020 to July 24 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 3.6 °C
  • Mean temperature: 15.9 °C
  • Maximum temperature anomaly: 5.5 °C
  • Maximum temperature: 18.5 °C

Event center: 58.0°N 203.0°E

Area affected: 90522 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-14_to_2020-Jul-24_203.0_58.0

Heat wave occuring from July 14 2020 to July 20 2020 at 37.0°N 352.0°E

Download data: JSON

Event type: Heat wave

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

  • Portugal
  • Spain

Duration: 7 days

Time span: July 14 2020 to July 20 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 1.6 °C
  • Mean temperature: 23.0 °C
  • Maximum temperature anomaly: 4.0 °C
  • Maximum temperature: 29.9 °C

Event center: 37.0°N 352.0°E

Area affected: 178867 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-14_to_2020-Jul-20_352.0_37.0

Cold spell occuring from July 14 2020 to July 23 2020 at 40.0°N 19.0°E

Download data: JSON

Event type: Cold spell

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

  • Albania
  • Bosnia and Herzegovina
  • Croatia
  • Greece
  • Hungary
  • Italy
  • Romania
  • Serbia

Duration: 10 days

Time span: July 14 2020 to July 23 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -3.7 °C
  • Mean temperature: 20.1 °C
  • Minimum temperature anomaly: -7.0 °C
  • Minimum temperature: 10.7 °C

Event center: 40.0°N 19.0°E

Area affected: 254439 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-14_to_2020-Jul-23_19.0_40.0

Heat wave occuring from July 14 2020 to July 17 2020 at -28.0°S 121.0°E

Download data: JSON

Event type: Heat wave

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

  • Australia

Duration: 4 days

Time span: July 14 2020 to July 17 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 5.2 °C
  • Mean temperature: 17.4 °C
  • Maximum temperature anomaly: 8.2 °C
  • Maximum temperature: 20.9 °C

Event center: -28.0°S 121.0°E

Area affected: 90459 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-14_to_2020-Jul-17_121.0_-28.0

Cold spell occuring from July 14 2020 to July 17 2020 at 46.0°N 300.0°E

Download data: JSON

Event type: Cold spell

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

  • Canada

Duration: 4 days

Time span: July 14 2020 to July 17 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -4.3 °C
  • Mean temperature: 14.8 °C
  • Minimum temperature anomaly: -5.6 °C
  • Minimum temperature: 12.7 °C

Event center: 46.0°N 300.0°E

Area affected: 66442 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-14_to_2020-Jul-17_300.0_46.0

Cold spell occuring from July 14 2020 to July 21 2020 at -63.5°S 338.5°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 14 2020 to July 21 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -10.2 °C
  • Mean temperature: -26.0 °C
  • Minimum temperature anomaly: -15.2 °C
  • Minimum temperature: -32.0 °C

Event center: -63.5°S 338.5°E

Area affected: 977573 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-14_to_2020-Jul-21_338.5_-63.5

Heat wave occuring from July 14 2020 to July 17 2020 at -1.5°S 133.5°E

Download data: JSON

Event type: Heat wave

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

  • Indonesia

Duration: 4 days

Time span: July 14 2020 to July 17 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 1.3 °C
  • Mean temperature: 25.2 °C
  • Maximum temperature anomaly: 1.8 °C
  • Maximum temperature: 27.6 °C

Event center: -1.5°S 133.5°E

Area affected: 55592 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-14_to_2020-Jul-17_133.5_-1.5

Cold spell occuring from July 14 2020 to July 24 2020 at -54.0°S 290.5°E

Download data: JSON

Event type: Cold spell

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

  • Argentina
  • Chile

Duration: 11 days

Time span: July 14 2020 to July 24 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -6.0 °C
  • Mean temperature: -3.7 °C
  • Minimum temperature anomaly: -14.3 °C
  • Minimum temperature: -12.6 °C

Event center: -54.0°S 290.5°E

Area affected: 273757 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-14_to_2020-Jul-24_290.5_-54.0