Category: Weather Extremes – all events

Heat wave occuring from July 29 2020 to July 31 2020 at -63.0°S 176.0°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: 4.3 °C
  • Mean temperature: 3.3 °C
  • Maximum temperature anomaly: 6.2 °C
  • Maximum temperature: 6.2 °C

Event center: -63.0°S 176.0°E

Area affected: 160244 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_176.0_-63.0

Heat wave occuring from July 29 2020 to August 02 2020 at 54.5°N 290.5°E

Download data: JSON

Event type: Heat wave

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

  • Canada

Duration: 5 days

Time span: July 29 2020 to August 02 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 5.2 °C
  • Mean temperature: 18.1 °C
  • Maximum temperature anomaly: 7.0 °C
  • Maximum temperature: 20.3 °C

Event center: 54.5°N 290.5°E

Area affected: 117810 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-Aug-02_290.5_54.5

Heat wave occuring from July 29 2020 to August 01 2020 at 37.0°N 22.0°E

Download data: JSON

Event type: Heat wave

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

  • Greece

Duration: 4 days

Time span: July 29 2020 to August 01 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 2.9 °C
  • Mean temperature: 28.8 °C
  • Maximum temperature anomaly: 4.8 °C
  • Maximum temperature: 32.1 °C

Event center: 37.0°N 22.0°E

Area affected: 50892 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-Aug-01_22.0_37.0

Heat wave occuring from July 29 2020 to August 04 2020 at 54.0°N 227.0°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: July 29 2020 to August 04 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 3.4 °C
  • Mean temperature: 15.6 °C
  • Maximum temperature anomaly: 7.1 °C
  • Maximum temperature: 20.9 °C

Event center: 54.0°N 227.0°E

Area affected: 125761 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-Aug-04_227.0_54.0

Heat wave occuring from July 29 2020 to August 01 2020 at 4.5°N 38.0°E

Download data: JSON

Event type: Heat wave

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

  • Ethiopia
  • Kenya

Duration: 4 days

Time span: July 29 2020 to August 01 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 1.9 °C
  • Mean temperature: 26.2 °C
  • Maximum temperature anomaly: 3.1 °C
  • Maximum temperature: 30.7 °C

Event center: 4.5°N 38.0°E

Area affected: 74062 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-Aug-01_38.0_4.5

Heat wave occuring from July 28 2020 to August 01 2020 at 44.5°N 27.0°E

Download data: JSON

Event type: Heat wave

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

  • Bulgaria
  • Greece
  • Romania
  • Türkiye

Duration: 5 days

Time span: July 28 2020 to August 01 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 4.0 °C
  • Mean temperature: 28.5 °C
  • Maximum temperature anomaly: 6.0 °C
  • Maximum temperature: 31.0 °C

Event center: 44.5°N 27.0°E

Area affected: 74455 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-28_to_2020-Aug-01_27.0_44.5

Heat wave occuring from July 28 2020 to August 01 2020 at 1.0°N 18.5°E

Download data: JSON

Event type: Heat wave

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

  • Congo
  • Congo, The Democratic Republic of the

Duration: 5 days

Time span: July 28 2020 to August 01 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 1.7 °C
  • Mean temperature: 26.4 °C
  • Maximum temperature anomaly: 2.6 °C
  • Maximum temperature: 27.7 °C

Event center: 1.0°N 18.5°E

Area affected: 77261 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-28_to_2020-Aug-01_18.5_1.0

Heat wave occuring from July 28 2020 to August 02 2020 at -18.0°S 46.0°E

Download data: JSON

Event type: Heat wave

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

  • Madagascar

Duration: 6 days

Time span: July 28 2020 to August 02 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 2.2 °C
  • Mean temperature: 22.6 °C
  • Maximum temperature anomaly: 3.7 °C
  • Maximum temperature: 27.4 °C

Event center: -18.0°S 46.0°E

Area affected: 106104 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-28_to_2020-Aug-02_46.0_-18.0

Heat wave occuring from July 28 2020 to August 03 2020 at 52.0°N 243.5°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: July 28 2020 to August 03 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 5.1 °C
  • Mean temperature: 21.5 °C
  • Maximum temperature anomaly: 8.1 °C
  • Maximum temperature: 35.6 °C

Event center: 52.0°N 243.5°E

Area affected: 474855 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-28_to_2020-Aug-03_243.5_52.0

Cold spell occuring from July 27 2020 to July 30 2020 at 12.5°N 30.0°E

Download data: JSON

Event type: Cold spell

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

  • Sudan

Duration: 4 days

Time span: July 27 2020 to July 30 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -2.3 °C
  • Mean temperature: 24.3 °C
  • Minimum temperature anomaly: -3.6 °C
  • Minimum temperature: 22.1 °C

Event center: 12.5°N 30.0°E

Area affected: 69408 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-27_to_2020-Jul-30_30.0_12.5