Category: Weather Extremes – all events

Cold spell occuring from December 21 2018 to January 07 2019 at 50.5°N 92.5°E

Download data: JSON

Event type: Cold spell

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

  • China
  • Kazakhstan
  • Laos
  • Mongolia
  • North Korea
  • Russian Federation
  • South Korea
  • Thailand
  • Vietnam

Duration: 18 days

Time span: December 21 2018 to January 07 2019

Statistics over entire affected area:

  • Mean temperature anomaly: -11.1 °C
  • Mean temperature: -21.4 °C
  • Minimum temperature anomaly: -26.3 °C
  • Minimum temperature: -52.2 °C

Event center: 50.5°N 92.5°E

Area affected: 7220060 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-21_to_2019-Jan-07_92.5_50.5

Cold spell occuring from December 21 2018 to January 16 2019 at 12.5°N 287.5°E

Download data: JSON

Event type: Cold spell

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

  • Colombia
  • Venezuela

Duration: 27 days

Time span: December 21 2018 to January 16 2019

Statistics over entire affected area:

  • Mean temperature anomaly: -0.9 °C
  • Mean temperature: 25.2 °C
  • Minimum temperature anomaly: -1.8 °C
  • Minimum temperature: 15.0 °C

Event center: 12.5°N 287.5°E

Area affected: 361949 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-21_to_2019-Jan-16_287.5_12.5

Cold spell occuring from December 21 2018 to December 28 2018 at 34.5°N 75.5°E

Download data: JSON

Event type: Cold spell

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

  • India
  • Pakistan

Duration: 8 days

Time span: December 21 2018 to December 28 2018

Statistics over entire affected area:

  • Mean temperature anomaly: -3.8 °C
  • Mean temperature: -8.0 °C
  • Minimum temperature anomaly: -6.1 °C
  • Minimum temperature: -25.7 °C

Event center: 34.5°N 75.5°E

Area affected: 56477 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-21_to_2018-Dec-28_75.5_34.5

Cold spell occuring from December 21 2018 to December 26 2018 at 2.0°N 311.5°E

Download data: JSON

Event type: Cold spell

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

  • Brazil

Duration: 6 days

Time span: December 21 2018 to December 26 2018

Statistics over entire affected area:

  • Mean temperature anomaly: -0.9 °C
  • Mean temperature: 25.5 °C
  • Minimum temperature anomaly: -1.3 °C
  • Minimum temperature: 25.0 °C

Event center: 2.0°N 311.5°E

Area affected: 92651 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-21_to_2018-Dec-26_311.5_2.0

Heat wave occuring from December 20 2018 to December 28 2018 at -15.5°S 172.0°E

Download data: JSON

Event type: Heat wave

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

  • Fiji
  • New Caledonia
  • Vanuatu

Duration: 9 days

Time span: December 20 2018 to December 28 2018

Statistics over entire affected area:

  • Mean temperature anomaly: 1.2 °C
  • Mean temperature: 27.7 °C
  • Maximum temperature anomaly: 2.5 °C
  • Maximum temperature: 28.8 °C

Event center: -15.5°S 172.0°E

Area affected: 1543022 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-20_to_2018-Dec-28_172.0_-15.5

Cold spell occuring from December 20 2018 to January 02 2019 at 41.0°N 88.5°E

Download data: JSON

Event type: Cold spell

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

  • China

Duration: 14 days

Time span: December 20 2018 to January 02 2019

Statistics over entire affected area:

  • Mean temperature anomaly: -5.1 °C
  • Mean temperature: -15.5 °C
  • Minimum temperature anomaly: -10.5 °C
  • Minimum temperature: -33.3 °C

Event center: 41.0°N 88.5°E

Area affected: 408069 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-20_to_2019-Jan-02_88.5_41.0

Cold spell occuring from December 20 2018 to December 25 2018 at 43.0°N 94.5°E

Download data: JSON

Event type: Cold spell

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

  • China
  • Mongolia

Duration: 6 days

Time span: December 20 2018 to December 25 2018

Statistics over entire affected area:

  • Mean temperature anomaly: -5.8 °C
  • Mean temperature: -15.3 °C
  • Minimum temperature anomaly: -10.6 °C
  • Minimum temperature: -24.9 °C

Event center: 43.0°N 94.5°E

Area affected: 108171 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-20_to_2018-Dec-25_94.5_43.0

Heat wave occuring from December 19 2018 to December 24 2018 at -49.5°S 294.0°E

Download data: JSON

Event type: Heat wave

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

  • Argentina
  • Chile
  • Falkland Islands

Duration: 6 days

Time span: December 19 2018 to December 24 2018

Statistics over entire affected area:

  • Mean temperature anomaly: 3.0 °C
  • Mean temperature: 13.1 °C
  • Maximum temperature anomaly: 6.1 °C
  • Maximum temperature: 23.6 °C

Event center: -49.5°S 294.0°E

Area affected: 598310 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-19_to_2018-Dec-24_294.0_-49.5

Cold spell occuring from December 19 2018 to December 25 2018 at 65.0°N 88.0°E

Download data: JSON

Event type: Cold spell

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

  • Russian Federation

Duration: 7 days

Time span: December 19 2018 to December 25 2018

Statistics over entire affected area:

  • Mean temperature anomaly: -16.9 °C
  • Mean temperature: -43.7 °C
  • Minimum temperature anomaly: -25.2 °C
  • Minimum temperature: -56.1 °C

Event center: 65.0°N 88.0°E

Area affected: 544781 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-19_to_2018-Dec-25_88.0_65.0

Cold spell occuring from December 19 2018 to February 06 2019 at 29.0°N 89.0°E

Download data: JSON

Event type: Cold spell

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

  • Bhutan
  • China
  • India
  • Nepal

Duration: 50 days

Time span: December 19 2018 to February 06 2019

Statistics over entire affected area:

  • Mean temperature anomaly: -7.7 °C
  • Mean temperature: -17.2 °C
  • Minimum temperature anomaly: -19.2 °C
  • Minimum temperature: -28.6 °C

Event center: 29.0°N 89.0°E

Area affected: 454865 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-19_to_2019-Feb-06_89.0_29.0