Category: Weather Extremes – all events

Heat wave occuring from July 27 2020 to August 05 2020 at 65.5°N 293.0°E

Download data: JSON

Event type: Heat wave

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

  • Canada

Duration: 10 days

Time span: July 27 2020 to August 05 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 4.9 °C
  • Mean temperature: 12.1 °C
  • Maximum temperature anomaly: 8.9 °C
  • Maximum temperature: 18.5 °C

Event center: 65.5°N 293.0°E

Area affected: 80898 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-27_to_2020-Aug-05_293.0_65.5

Heat wave occuring from July 27 2020 to July 30 2020 at 20.0°N 13.5°E

Download data: JSON

Event type: Heat wave

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

  • Niger

Duration: 4 days

Time span: July 27 2020 to July 30 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 1.9 °C
  • Mean temperature: 34.9 °C
  • Maximum temperature anomaly: 3.2 °C
  • Maximum temperature: 36.8 °C

Event center: 20.0°N 13.5°E

Area affected: 70383 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-27_to_2020-Jul-30_13.5_20.0

Cold spell occuring from July 26 2020 to July 29 2020 at 57.0°N 349.0°E

Download data: JSON

Event type: Cold spell

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

  • Ireland

Duration: 4 days

Time span: July 26 2020 to July 29 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -1.3 °C
  • Mean temperature: 12.3 °C
  • Minimum temperature anomaly: -1.9 °C
  • Minimum temperature: 11.0 °C

Event center: 57.0°N 349.0°E

Area affected: 124048 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-26_to_2020-Jul-29_349.0_57.0

Cold spell occuring from July 26 2020 to August 14 2020 at -64.5°S 22.0°E

Download data: JSON

Event type: Cold spell

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

  • Antarctica

Duration: 20 days

Time span: July 26 2020 to August 14 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -10.8 °C
  • Mean temperature: -45.6 °C
  • Minimum temperature anomaly: -23.9 °C
  • Minimum temperature: -62.2 °C

Event center: -82.0°S 296.0°E

Area affected: 9403811 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-26_to_2020-Aug-14_22.0_-64.5

Cold spell occuring from July 26 2020 to July 29 2020 at 30.5°N 265.5°E

Download data: JSON

Event type: Cold spell

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

  • United States

Duration: 4 days

Time span: July 26 2020 to July 29 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -2.1 °C
  • Mean temperature: 25.8 °C
  • Minimum temperature anomaly: -3.4 °C
  • Minimum temperature: 23.8 °C

Event center: 30.5°N 265.5°E

Area affected: 101671 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-26_to_2020-Jul-29_265.5_30.5

Cold spell occuring from July 26 2020 to July 31 2020 at 23.5°N 355.0°E

Download data: JSON

Event type: Cold spell

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

  • Algeria
  • Mali
  • Mauritania

Duration: 6 days

Time span: July 26 2020 to July 31 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -2.7 °C
  • Mean temperature: 35.1 °C
  • Minimum temperature anomaly: -4.9 °C
  • Minimum temperature: 33.5 °C

Event center: 23.5°N 355.0°E

Area affected: 251969 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-26_to_2020-Jul-31_355.0_23.5

Cold spell occuring from July 26 2020 to August 01 2020 at 23.5°N 251.0°E

Download data: JSON

Event type: Cold spell

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

  • Mexico

Duration: 7 days

Time span: July 26 2020 to August 01 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -1.6 °C
  • Mean temperature: 27.1 °C
  • Minimum temperature anomaly: -2.9 °C
  • Minimum temperature: 21.8 °C

Event center: 23.5°N 251.0°E

Area affected: 81694 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-26_to_2020-Aug-01_251.0_23.5

Cold spell occuring from July 25 2020 to July 31 2020 at -64.0°S 317.5°E

Download data: JSON

Event type: Cold spell

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

  • Antarctica

Duration: 7 days

Time span: July 25 2020 to July 31 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -10.3 °C
  • Mean temperature: -26.0 °C
  • Minimum temperature anomaly: -12.4 °C
  • Minimum temperature: -29.9 °C

Event center: -64.0°S 317.5°E

Area affected: 58722 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-25_to_2020-Jul-31_317.5_-64.0

Cold spell occuring from July 25 2020 to August 07 2020 at 26.5°N 260.5°E

Download data: JSON

Event type: Cold spell

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

  • Mexico
  • United States

Duration: 14 days

Time span: July 25 2020 to August 07 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -3.4 °C
  • Mean temperature: 23.6 °C
  • Minimum temperature anomaly: -6.6 °C
  • Minimum temperature: 14.2 °C

Event center: 26.5°N 260.5°E

Area affected: 355336 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-25_to_2020-Aug-07_260.5_26.5

Heat wave occuring from July 24 2020 to July 26 2020 at -78.0°S 157.5°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: July 24 2020 to July 26 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 10.2 °C
  • Mean temperature: -35.3 °C
  • Maximum temperature anomaly: 17.2 °C
  • Maximum temperature: -23.0 °C

Event center: -78.0°S 157.5°E

Area affected: 99873 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-24_to_2020-Jul-26_157.5_-78.0