Category: Weather Extremes – all events

Heat wave occuring from December 01 2018 to December 03 2018 at 47.0°N 126.0°E

Download data: JSON

Event type: Heat wave

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

  • China

Duration: 3 days

Time span: December 01 2018 to December 03 2018

Statistics over entire affected area:

  • Mean temperature anomaly: 11.0 °C
  • Mean temperature: -2.5 °C
  • Maximum temperature anomaly: 19.2 °C
  • Maximum temperature: 6.3 °C

Event center: 47.0°N 126.0°E

Area affected: 93439 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_2018-Dec-01_to_2018-Dec-03_126.0_47.0

Heat wave occuring from December 01 2018 to December 07 2018 at 48.5°N 0.5°E

Download data: JSON

Event type: Heat wave

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

  • Andorra
  • France
  • Portugal
  • Spain

Duration: 7 days

Time span: December 01 2018 to December 07 2018

Statistics over entire affected area:

  • Mean temperature anomaly: 5.5 °C
  • Mean temperature: 11.4 °C
  • Maximum temperature anomaly: 8.7 °C
  • Maximum temperature: 15.8 °C

Event center: 48.5°N 360.5°E

Area affected: 293253 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_2018-Dec-01_to_2018-Dec-07_0.5_48.5

Heat wave occuring from December 01 2018 to December 04 2018 at 8.0°N 92.5°E

Download data: JSON

Event type: Heat wave

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

  • India

Duration: 4 days

Time span: December 01 2018 to December 04 2018

Statistics over entire affected area:

  • Mean temperature anomaly: 1.0 °C
  • Mean temperature: 27.8 °C
  • Maximum temperature anomaly: 1.4 °C
  • Maximum temperature: 28.2 °C

Event center: 8.0°N 92.5°E

Area affected: 94809 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_2018-Dec-01_to_2018-Dec-04_92.5_8.0

Heat wave occuring from December 01 2018 to December 06 2018 at -2.5°S 285.0°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: December 01 2018 to December 06 2018

Statistics over entire affected area:

  • Mean temperature anomaly: 1.9 °C
  • Mean temperature: 27.6 °C
  • Maximum temperature anomaly: 2.9 °C
  • Maximum temperature: 28.6 °C

Event center: -2.5°S 285.0°E

Area affected: 80281 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_2018-Dec-01_to_2018-Dec-06_285.0_-2.5

Heat wave occuring from December 01 2018 to December 08 2018 at -27.0°S 30.0°E

Download data: JSON

Event type: Heat wave

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

  • Botswana
  • Eswatini
  • Mozambique
  • South Africa
  • Zimbabwe

Duration: 8 days

Time span: December 01 2018 to December 08 2018

Statistics over entire affected area:

  • Mean temperature anomaly: 4.5 °C
  • Mean temperature: 27.8 °C
  • Maximum temperature anomaly: 7.9 °C
  • Maximum temperature: 34.8 °C

Event center: -27.0°S 30.0°E

Area affected: 364389 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_2018-Dec-01_to_2018-Dec-08_30.0_-27.0

Heat wave occuring from December 01 2018 to January 02 2019 at -30.5°S 64.0°E

Download data: JSON

Event type: Heat wave

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

  • Madagascar

Duration: 33 days

Time span: December 01 2018 to January 02 2019

Statistics over entire affected area:

  • Mean temperature anomaly: 2.4 °C
  • Mean temperature: 20.3 °C
  • Maximum temperature anomaly: 6.1 °C
  • Maximum temperature: 30.1 °C

Event center: -30.5°S 64.0°E

Area affected: 8061664 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_2018-Dec-01_to_2019-Jan-02_64.0_-30.5

Cold spell occuring from December 01 2018 to December 03 2018 at -39.5°S 302.0°E

Download data: JSON

Event type: Cold spell

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

  • Argentina

Duration: 3 days

Time span: December 01 2018 to December 03 2018

Statistics over entire affected area:

  • Mean temperature anomaly: -2.9 °C
  • Mean temperature: 11.9 °C
  • Minimum temperature anomaly: -4.7 °C
  • Minimum temperature: 10.8 °C

Event center: -39.5°S 302.0°E

Area affected: 65958 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_2018-Dec-01_to_2018-Dec-03_302.0_-39.5

Heat wave occuring from November 30 2018 to December 11 2018 at 82.0°N 64.0°E

Download data: JSON

Event type: Heat wave

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

  • Finland
  • Norway
  • Russian Federation
  • Sweden

Duration: 12 days

Time span: November 30 2018 to December 11 2018

Statistics over entire affected area:

  • Mean temperature anomaly: 8.7 °C
  • Mean temperature: -2.8 °C
  • Maximum temperature anomaly: 19.0 °C
  • Maximum temperature: 8.0 °C

Event center: 82.0°N 64.0°E

Area affected: 2225766 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_2018-Nov-30_to_2018-Dec-11_64.0_82.0

Heat wave occuring from November 30 2018 to December 02 2018 at 32.5°N 272.0°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: November 30 2018 to December 02 2018

Statistics over entire affected area:

  • Mean temperature anomaly: 7.7 °C
  • Mean temperature: 18.2 °C
  • Maximum temperature anomaly: 9.6 °C
  • Maximum temperature: 21.8 °C

Event center: 32.5°N 272.0°E

Area affected: 80170 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_2018-Nov-30_to_2018-Dec-02_272.0_32.5

Heat wave occuring from November 30 2018 to December 02 2018 at 33.0°N 48.5°E

Download data: JSON

Event type: Heat wave

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

  • Iran

Duration: 3 days

Time span: November 30 2018 to December 02 2018

Statistics over entire affected area:

  • Mean temperature anomaly: 4.4 °C
  • Mean temperature: 11.5 °C
  • Maximum temperature anomaly: 5.8 °C
  • Maximum temperature: 18.4 °C

Event center: 33.0°N 48.5°E

Area affected: 67387 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_2018-Nov-30_to_2018-Dec-02_48.5_33.0