Category: Weather Extremes – all events

Heat wave occuring from June 12 2020 to June 14 2020 at 44.5°N 254.0°E

Download data: JSON

Event type: Heat wave

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

  • United States

Duration: 3 days

Time span: June 12 2020 to June 14 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 7.4 °C
  • Mean temperature: 24.4 °C
  • Maximum temperature anomaly: 11.8 °C
  • Maximum temperature: 29.9 °C

Event center: 44.5°N 254.0°E

Area affected: 144473 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-12_to_2020-Jun-14_254.0_44.5

Heat wave occuring from June 12 2020 to June 24 2020 at 8.0°N 79.0°E

Download data: JSON

Event type: Heat wave

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

  • India
  • Sri Lanka

Duration: 13 days

Time span: June 12 2020 to June 24 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 1.0 °C
  • Mean temperature: 29.5 °C
  • Maximum temperature anomaly: 2.8 °C
  • Maximum temperature: 34.8 °C

Event center: 8.0°N 79.0°E

Area affected: 464316 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-12_to_2020-Jun-24_79.0_8.0

Heat wave occuring from June 11 2020 to June 23 2020 at 32.0°N 100.5°E

Download data: JSON

Event type: Heat wave

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

  • China

Duration: 13 days

Time span: June 11 2020 to June 23 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 2.7 °C
  • Mean temperature: 17.0 °C
  • Maximum temperature anomaly: 4.5 °C
  • Maximum temperature: 28.5 °C

Event center: 32.0°N 100.5°E

Area affected: 224908 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-11_to_2020-Jun-23_100.5_32.0

Cold spell occuring from June 11 2020 to June 20 2020 at 45.5°N 279.0°E

Download data: JSON

Event type: Cold spell

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

  • Canada
  • United States

Duration: 10 days

Time span: June 11 2020 to June 20 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -5.7 °C
  • Mean temperature: 10.1 °C
  • Minimum temperature anomaly: -11.4 °C
  • Minimum temperature: 3.4 °C

Event center: 45.5°N 279.0°E

Area affected: 549021 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-11_to_2020-Jun-20_279.0_45.5

Heat wave occuring from June 11 2020 to June 15 2020 at -18.0°S 321.0°E

Download data: JSON

Event type: Heat wave

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

  • Brazil

Duration: 5 days

Time span: June 11 2020 to June 15 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 1.2 °C
  • Mean temperature: 25.2 °C
  • Maximum temperature anomaly: 1.5 °C
  • Maximum temperature: 25.5 °C

Event center: -18.0°S 321.0°E

Area affected: 52618 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-11_to_2020-Jun-15_321.0_-18.0

Heat wave occuring from June 11 2020 to July 09 2020 at 41.0°N 295.0°E

Download data: JSON

Event type: Heat wave

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

  • Canada

Duration: 29 days

Time span: June 11 2020 to July 09 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 3.0 °C
  • Mean temperature: 21.7 °C
  • Maximum temperature anomaly: 6.4 °C
  • Maximum temperature: 25.7 °C

Event center: 41.0°N 295.0°E

Area affected: 1595168 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-11_to_2020-Jul-09_295.0_41.0

Cold spell occuring from June 11 2020 to June 15 2020 at 25.5°N 261.0°E

Download data: JSON

Event type: Cold spell

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

  • Mexico
  • United States

Duration: 5 days

Time span: June 11 2020 to June 15 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -3.2 °C
  • Mean temperature: 24.9 °C
  • Minimum temperature anomaly: -5.0 °C
  • Minimum temperature: 15.8 °C

Event center: 25.5°N 261.0°E

Area affected: 127958 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-11_to_2020-Jun-15_261.0_25.5

Cold spell occuring from June 11 2020 to June 17 2020 at 3.0°N 36.0°E

Download data: JSON

Event type: Cold spell

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

  • Ethiopia
  • Kenya
  • South Sudan

Duration: 7 days

Time span: June 11 2020 to June 17 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -2.8 °C
  • Mean temperature: 24.9 °C
  • Minimum temperature anomaly: -5.0 °C
  • Minimum temperature: 17.9 °C

Event center: 3.0°N 36.0°E

Area affected: 101795 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-11_to_2020-Jun-17_36.0_3.0

Heat wave occuring from June 11 2020 to June 17 2020 at 70.5°N 226.0°E

Download data: JSON

Event type: Heat wave

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

  • Canada

Duration: 7 days

Time span: June 11 2020 to June 17 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 6.1 °C
  • Mean temperature: 15.8 °C
  • Maximum temperature anomaly: 10.2 °C
  • Maximum temperature: 20.9 °C

Event center: 70.5°N 226.0°E

Area affected: 138071 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-11_to_2020-Jun-17_226.0_70.5

Cold spell occuring from June 11 2020 to June 16 2020 at 21.0°N 260.0°E

Download data: JSON

Event type: Cold spell

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

  • Mexico

Duration: 6 days

Time span: June 11 2020 to June 16 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -2.3 °C
  • Mean temperature: 19.4 °C
  • Minimum temperature anomaly: -3.2 °C
  • Minimum temperature: 13.6 °C

Event center: 21.0°N 260.0°E

Area affected: 63540 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-11_to_2020-Jun-16_260.0_21.0