Category: Weather Extremes – all events

Cold spell occuring from June 23 2020 to June 25 2020 at 88.5°N 163.5°E

Download data: JSON

Event type: Cold spell

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

  • Canada

Duration: 3 days

Time span: June 23 2020 to June 25 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -0.5 °C
  • Mean temperature: 0.3 °C
  • Minimum temperature anomaly: -0.8 °C
  • Minimum temperature: 0.0 °C

Event center: 88.5°N 163.5°E

Area affected: 58821 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-Jun-23_to_2020-Jun-25_163.5_88.5

Cold spell occuring from June 23 2020 to June 27 2020 at 87.0°N 297.5°E

Download data: JSON

Event type: Cold spell

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

  • Canada
  • Greenland

Duration: 5 days

Time span: June 23 2020 to June 27 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -0.9 °C
  • Mean temperature: -0.0 °C
  • Minimum temperature anomaly: -2.9 °C
  • Minimum temperature: -1.2 °C

Event center: 87.0°N 297.5°E

Area affected: 216792 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-Jun-23_to_2020-Jun-27_297.5_87.0

Cold spell occuring from June 23 2020 to June 26 2020 at 67.5°N 201.0°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: June 23 2020 to June 26 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -5.8 °C
  • Mean temperature: 7.5 °C
  • Minimum temperature anomaly: -8.2 °C
  • Minimum temperature: 3.4 °C

Event center: 67.5°N 201.0°E

Area affected: 97629 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-Jun-23_to_2020-Jun-26_201.0_67.5

Cold spell occuring from June 23 2020 to June 28 2020 at 23.5°N 59.0°E

Download data: JSON

Event type: Cold spell

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

  • Oman

Duration: 6 days

Time span: June 23 2020 to June 28 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -2.8 °C
  • Mean temperature: 32.3 °C
  • Minimum temperature anomaly: -4.6 °C
  • Minimum temperature: 29.1 °C

Event center: 23.5°N 59.0°E

Area affected: 80203 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-Jun-23_to_2020-Jun-28_59.0_23.5

Heat wave occuring from June 22 2020 to June 29 2020 at 12.0°N 342.5°E

Download data: JSON

Event type: Heat wave

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

  • Guinea-Bissau

Duration: 8 days

Time span: June 22 2020 to June 29 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 1.0 °C
  • Mean temperature: 27.5 °C
  • Maximum temperature anomaly: 1.7 °C
  • Maximum temperature: 28.3 °C

Event center: 12.0°N 342.5°E

Area affected: 81772 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-Jun-22_to_2020-Jun-29_342.5_12.0

Cold spell occuring from June 22 2020 to June 26 2020 at 64.5°N 217.5°E

Download data: JSON

Event type: Cold spell

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

  • Canada
  • United States

Duration: 5 days

Time span: June 22 2020 to June 26 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -5.0 °C
  • Mean temperature: 8.4 °C
  • Minimum temperature anomaly: -7.4 °C
  • Minimum temperature: -0.5 °C

Event center: 64.5°N 217.5°E

Area affected: 203304 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-Jun-22_to_2020-Jun-26_217.5_64.5

Cold spell occuring from June 22 2020 to July 06 2020 at 68.0°N 178.5°E

Download data: JSON

Event type: Cold spell

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

  • Russian Federation

Duration: 15 days

Time span: June 22 2020 to July 06 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -5.3 °C
  • Mean temperature: 2.5 °C
  • Minimum temperature anomaly: -12.5 °C
  • Minimum temperature: -5.1 °C

Event center: 68.0°N 178.5°E

Area affected: 836148 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-Jun-22_to_2020-Jul-06_178.5_68.0

Heat wave occuring from June 22 2020 to June 29 2020 at -73.5°S 66.5°E

Download data: JSON

Event type: Heat wave

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

  • Antarctica

Duration: 8 days

Time span: June 22 2020 to June 29 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 8.7 °C
  • Mean temperature: -21.5 °C
  • Maximum temperature anomaly: 15.2 °C
  • Maximum temperature: 1.3 °C

Event center: -73.5°S 66.5°E

Area affected: 1855198 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-Jun-22_to_2020-Jun-29_66.5_-73.5

Cold spell occuring from June 22 2020 to July 11 2020 at -69.5°S 354.5°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: June 22 2020 to July 11 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -8.9 °C
  • Mean temperature: -43.9 °C
  • Minimum temperature anomaly: -16.7 °C
  • Minimum temperature: -60.5 °C

Event center: -69.5°S 354.5°E

Area affected: 3062872 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-Jun-22_to_2020-Jul-11_354.5_-69.5

Heat wave occuring from June 21 2020 to June 26 2020 at 36.5°N 66.5°E

Download data: JSON

Event type: Heat wave

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

  • Afghanistan

Duration: 6 days

Time span: June 21 2020 to June 26 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 4.1 °C
  • Mean temperature: 19.4 °C
  • Maximum temperature anomaly: 6.4 °C
  • Maximum temperature: 31.9 °C

Event center: 36.5°N 66.5°E

Area affected: 53062 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-Jun-21_to_2020-Jun-26_66.5_36.5