Category: Weather Extremes – all events

Heat wave occuring from December 16 2018 to December 24 2018 at 7.5°N 348.5°E

Download data: JSON

Event type: Heat wave

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

  • Liberia
  • Sierra Leone

Duration: 9 days

Time span: December 16 2018 to December 24 2018

Statistics over entire affected area:

  • Mean temperature anomaly: 0.9 °C
  • Mean temperature: 27.4 °C
  • Maximum temperature anomaly: 1.7 °C
  • Maximum temperature: 28.2 °C

Event center: 7.5°N 348.5°E

Area affected: 184411 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-16_to_2018-Dec-24_348.5_7.5

Cold spell occuring from December 16 2018 to December 25 2018 at 19.5°N 85.5°E

Download data: JSON

Event type: Cold spell

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

  • India

Duration: 10 days

Time span: December 16 2018 to December 25 2018

Statistics over entire affected area:

  • Mean temperature anomaly: -1.4 °C
  • Mean temperature: 22.0 °C
  • Minimum temperature anomaly: -3.2 °C
  • Minimum temperature: 18.0 °C

Event center: 19.5°N 85.5°E

Area affected: 101737 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-16_to_2018-Dec-25_85.5_19.5

Cold spell occuring from December 16 2018 to December 19 2018 at 17.0°N 75.0°E

Download data: JSON

Event type: Cold spell

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

  • India

Duration: 4 days

Time span: December 16 2018 to December 19 2018

Statistics over entire affected area:

  • Mean temperature anomaly: -2.3 °C
  • Mean temperature: 20.4 °C
  • Minimum temperature anomaly: -3.7 °C
  • Minimum temperature: 17.1 °C

Event center: 17.0°N 75.0°E

Area affected: 68274 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-16_to_2018-Dec-19_75.0_17.0

Cold spell occuring from December 16 2018 to December 20 2018 at 15.5°N 80.5°E

Download data: JSON

Event type: Cold spell

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

  • India

Duration: 5 days

Time span: December 16 2018 to December 20 2018

Statistics over entire affected area:

  • Mean temperature anomaly: -2.0 °C
  • Mean temperature: 22.6 °C
  • Minimum temperature anomaly: -4.9 °C
  • Minimum temperature: 18.2 °C

Event center: 15.5°N 80.5°E

Area affected: 118879 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-16_to_2018-Dec-20_80.5_15.5

Cold spell occuring from December 16 2018 to December 26 2018 at -3.5°S 291.5°E

Download data: JSON

Event type: Cold spell

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

  • Brazil
  • Colombia
  • Peru

Duration: 11 days

Time span: December 16 2018 to December 26 2018

Statistics over entire affected area:

  • Mean temperature anomaly: -1.3 °C
  • Mean temperature: 24.4 °C
  • Minimum temperature anomaly: -2.0 °C
  • Minimum temperature: 23.3 °C

Event center: -3.5°S 291.5°E

Area affected: 564820 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-16_to_2018-Dec-26_291.5_-3.5

Heat wave occuring from December 15 2018 to December 18 2018 at 54.0°N 94.5°E

Download data: JSON

Event type: Heat wave

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

  • Mongolia
  • Russian Federation

Duration: 4 days

Time span: December 15 2018 to December 18 2018

Statistics over entire affected area:

  • Mean temperature anomaly: 9.6 °C
  • Mean temperature: -8.1 °C
  • Maximum temperature anomaly: 12.8 °C
  • Maximum temperature: -1.1 °C

Event center: 54.0°N 94.5°E

Area affected: 118462 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-15_to_2018-Dec-18_94.5_54.0

Heat wave occuring from December 15 2018 to December 18 2018 at 45.5°N 133.0°E

Download data: JSON

Event type: Heat wave

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

  • China
  • Russian Federation

Duration: 4 days

Time span: December 15 2018 to December 18 2018

Statistics over entire affected area:

  • Mean temperature anomaly: 7.0 °C
  • Mean temperature: -10.3 °C
  • Maximum temperature anomaly: 9.2 °C
  • Maximum temperature: -6.0 °C

Event center: 45.5°N 133.0°E

Area affected: 103919 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-15_to_2018-Dec-18_133.0_45.5

Heat wave occuring from December 15 2018 to December 19 2018 at 49.0°N 114.5°E

Download data: JSON

Event type: Heat wave

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

  • Mongolia
  • Russian Federation

Duration: 5 days

Time span: December 15 2018 to December 19 2018

Statistics over entire affected area:

  • Mean temperature anomaly: 8.5 °C
  • Mean temperature: -10.2 °C
  • Maximum temperature anomaly: 12.8 °C
  • Maximum temperature: -5.7 °C

Event center: 49.0°N 114.5°E

Area affected: 195382 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-15_to_2018-Dec-19_114.5_49.0

Heat wave occuring from December 15 2018 to December 21 2018 at 43.5°N 258.0°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: December 15 2018 to December 21 2018

Statistics over entire affected area:

  • Mean temperature anomaly: 7.5 °C
  • Mean temperature: 4.0 °C
  • Maximum temperature anomaly: 11.5 °C
  • Maximum temperature: 8.6 °C

Event center: 43.5°N 258.0°E

Area affected: 509762 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-15_to_2018-Dec-21_258.0_43.5

Heat wave occuring from December 15 2018 to December 22 2018 at 45.0°N 123.0°E

Download data: JSON

Event type: Heat wave

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

  • China
  • Mongolia

Duration: 8 days

Time span: December 15 2018 to December 22 2018

Statistics over entire affected area:

  • Mean temperature anomaly: 6.8 °C
  • Mean temperature: -10.3 °C
  • Maximum temperature anomaly: 12.1 °C
  • Maximum temperature: -2.4 °C

Event center: 45.0°N 123.0°E

Area affected: 478290 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-15_to_2018-Dec-22_123.0_45.0