Category: Weather Extremes – all events

Heat wave occuring from July 31 2020 to August 04 2020 at 17.0°N 343.5°E

Download data: JSON

Event type: Heat wave

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

  • Mauritania

Duration: 5 days

Time span: July 31 2020 to August 04 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 1.6 °C
  • Mean temperature: 26.1 °C
  • Maximum temperature anomaly: 2.7 °C
  • Maximum temperature: 29.2 °C

Event center: 17.0°N 343.5°E

Area affected: 90553 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-31_to_2020-Aug-04_343.5_17.0

Heat wave occuring from July 31 2020 to August 05 2020 at -3.5°S 288.0°E

Download data: JSON

Event type: Heat wave

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

  • Colombia
  • Ecuador
  • Peru

Duration: 6 days

Time span: July 31 2020 to August 05 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 1.5 °C
  • Mean temperature: 26.3 °C
  • Maximum temperature anomaly: 2.2 °C
  • Maximum temperature: 27.6 °C

Event center: -3.5°S 288.0°E

Area affected: 101880 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-31_to_2020-Aug-05_288.0_-3.5

Heat wave occuring from July 31 2020 to August 13 2020 at 22.0°N 20.5°E

Download data: JSON

Event type: Heat wave

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

  • Chad
  • Egypt
  • Libya
  • Sudan

Duration: 14 days

Time span: July 31 2020 to August 13 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 3.1 °C
  • Mean temperature: 34.2 °C
  • Maximum temperature anomaly: 5.4 °C
  • Maximum temperature: 36.3 °C

Event center: 22.0°N 20.5°E

Area affected: 481902 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-31_to_2020-Aug-13_20.5_22.0

Heat wave occuring from July 31 2020 to August 08 2020 at 64.5°N 320.5°E

Download data: JSON

Event type: Heat wave

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

  • Greenland

Duration: 9 days

Time span: July 31 2020 to August 08 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 2.7 °C
  • Mean temperature: 8.2 °C
  • Maximum temperature anomaly: 3.9 °C
  • Maximum temperature: 10.4 °C

Event center: 64.5°N 320.5°E

Area affected: 54455 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-31_to_2020-Aug-08_320.5_64.5

Heat wave occuring from July 31 2020 to August 07 2020 at 16.0°N 339.5°E

Download data: JSON

Event type: Heat wave

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

  • Senegal

Duration: 8 days

Time span: July 31 2020 to August 07 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 1.2 °C
  • Mean temperature: 27.1 °C
  • Maximum temperature anomaly: 2.1 °C
  • Maximum temperature: 28.5 °C

Event center: 16.0°N 339.5°E

Area affected: 101234 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-31_to_2020-Aug-07_339.5_16.0

Heat wave occuring from July 31 2020 to August 06 2020 at 30.5°N 277.0°E

Download data: JSON

Event type: Heat wave

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

  • United States

Duration: 7 days

Time span: July 31 2020 to August 06 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 2.3 °C
  • Mean temperature: 29.5 °C
  • Maximum temperature anomaly: 3.8 °C
  • Maximum temperature: 31.2 °C

Event center: 30.5°N 277.0°E

Area affected: 66491 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-31_to_2020-Aug-06_277.0_30.5

Heat wave occuring from July 30 2020 to August 01 2020 at -73.0°S 159.5°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 30 2020 to August 01 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 12.8 °C
  • Mean temperature: -29.2 °C
  • Maximum temperature anomaly: 17.5 °C
  • Maximum temperature: -17.1 °C

Event center: -73.0°S 159.5°E

Area affected: 105337 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-30_to_2020-Aug-01_159.5_-73.0

Heat wave occuring from July 30 2020 to August 03 2020 at 21.5°N 5.5°E

Download data: JSON

Event type: Heat wave

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

  • Algeria
  • Niger

Duration: 5 days

Time span: July 30 2020 to August 03 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 2.3 °C
  • Mean temperature: 34.9 °C
  • Maximum temperature anomaly: 3.5 °C
  • Maximum temperature: 38.1 °C

Event center: 21.5°N 5.5°E

Area affected: 90956 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-30_to_2020-Aug-03_5.5_21.5

Cold spell occuring from July 30 2020 to August 02 2020 at 57.0°N 29.5°E

Download data: JSON

Event type: Cold spell

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

  • Belarus
  • Latvia
  • Russian Federation
  • Ukraine

Duration: 4 days

Time span: July 30 2020 to August 02 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -4.1 °C
  • Mean temperature: 15.0 °C
  • Minimum temperature anomaly: -5.6 °C
  • Minimum temperature: 12.9 °C

Event center: 57.0°N 29.5°E

Area affected: 194925 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-30_to_2020-Aug-02_29.5_57.0

Heat wave occuring from July 29 2020 to July 31 2020 at -67.0°S 163.5°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 29 2020 to July 31 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 10.7 °C
  • Mean temperature: -2.0 °C
  • Maximum temperature anomaly: 13.4 °C
  • Maximum temperature: -0.0 °C

Event center: -67.0°S 163.5°E

Area affected: 104490 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-29_to_2020-Jul-31_163.5_-67.0