Category: Weather Extremes – all events

Cold spell occuring from January 20 2020 to January 26 2020 at -20.5°S 47.5°E

Download data: JSON

Event type: Cold spell

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

  • Madagascar

Duration: 7 days

Time span: January 20 2020 to January 26 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -2.4 °C
  • Mean temperature: 20.5 °C
  • Minimum temperature anomaly: -3.7 °C
  • Minimum temperature: 16.7 °C

Event center: -20.5°S 47.5°E

Area affected: 127316 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-Jan-20_to_2020-Jan-26_47.5_-20.5

Heat wave occuring from January 19 2020 to January 21 2020 at -74.0°S 11.5°E

Download data: JSON

Event type: Heat wave

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

  • Antarctica

Duration: 3 days

Time span: January 19 2020 to January 21 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 5.6 °C
  • Mean temperature: -22.8 °C
  • Maximum temperature anomaly: 7.0 °C
  • Maximum temperature: -18.3 °C

Event center: -74.0°S 11.5°E

Area affected: 136063 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-Jan-19_to_2020-Jan-21_11.5_-74.0

Cold spell occuring from January 19 2020 to January 21 2020 at 41.5°N 265.0°E

Download data: JSON

Event type: Cold spell

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

  • United States

Duration: 3 days

Time span: January 19 2020 to January 21 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -11.2 °C
  • Mean temperature: -16.9 °C
  • Minimum temperature anomaly: -14.3 °C
  • Minimum temperature: -20.2 °C

Event center: 41.5°N 265.0°E

Area affected: 69305 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-Jan-19_to_2020-Jan-21_265.0_41.5

Heat wave occuring from January 19 2020 to February 03 2020 at -41.5°S 173.5°E

Download data: JSON

Event type: Heat wave

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

  • New Zealand

Duration: 16 days

Time span: January 19 2020 to February 03 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 4.7 °C
  • Mean temperature: 20.0 °C
  • Maximum temperature anomaly: 10.0 °C
  • Maximum temperature: 27.3 °C

Event center: -41.5°S 173.5°E

Area affected: 116829 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-Jan-19_to_2020-Feb-03_173.5_-41.5

Cold spell occuring from January 19 2020 to January 29 2020 at 75.5°N 92.0°E

Download data: JSON

Event type: Cold spell

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

  • Russian Federation

Duration: 11 days

Time span: January 19 2020 to January 29 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -11.1 °C
  • Mean temperature: -29.9 °C
  • Minimum temperature anomaly: -22.2 °C
  • Minimum temperature: -48.5 °C

Event center: 75.5°N 92.0°E

Area affected: 610538 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-Jan-19_to_2020-Jan-29_92.0_75.5

Cold spell occuring from January 18 2020 to January 23 2020 at -32.5°S 21.5°E

Download data: JSON

Event type: Cold spell

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

  • South Africa

Duration: 6 days

Time span: January 18 2020 to January 23 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -5.1 °C
  • Mean temperature: 17.4 °C
  • Minimum temperature anomaly: -8.7 °C
  • Minimum temperature: 12.5 °C

Event center: -32.5°S 21.5°E

Area affected: 145076 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-Jan-18_to_2020-Jan-23_21.5_-32.5

Cold spell occuring from January 18 2020 to February 13 2020 at 29.5°N 98.5°E

Download data: JSON

Event type: Cold spell

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

  • China
  • India
  • Lao People’s Democratic Republic
  • Myanmar
  • Nepal
  • Thailand

Duration: 27 days

Time span: January 18 2020 to February 13 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -5.5 °C
  • Mean temperature: -6.1 °C
  • Minimum temperature anomaly: -14.5 °C
  • Minimum temperature: -31.1 °C

Event center: 29.5°N 98.5°E

Area affected: 1595139 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-Jan-18_to_2020-Feb-13_98.5_29.5

Cold spell occuring from January 17 2020 to January 24 2020 at -45.0°S 58.0°E

Download data: JSON

Event type: Cold spell

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

  • French Southern Territories

Duration: 8 days

Time span: January 17 2020 to January 24 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -2.4 °C
  • Mean temperature: 6.0 °C
  • Minimum temperature anomaly: -5.2 °C
  • Minimum temperature: 1.5 °C

Event center: -45.0°S 58.0°E

Area affected: 1273262 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-Jan-17_to_2020-Jan-24_58.0_-45.0

Cold spell occuring from January 17 2020 to January 28 2020 at 69.0°N 285.0°E

Download data: JSON

Event type: Cold spell

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

  • Canada

Duration: 12 days

Time span: January 17 2020 to January 28 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -10.4 °C
  • Mean temperature: -41.9 °C
  • Minimum temperature anomaly: -17.7 °C
  • Minimum temperature: -50.7 °C

Event center: 69.0°N 285.0°E

Area affected: 130321 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-Jan-17_to_2020-Jan-28_285.0_69.0

Cold spell occuring from January 17 2020 to February 11 2020 at -26.0°S 56.0°E

Download data: JSON

Event type: Cold spell

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

  • Réunion

Duration: 26 days

Time span: January 17 2020 to February 11 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -2.4 °C
  • Mean temperature: 19.2 °C
  • Minimum temperature anomaly: -5.0 °C
  • Minimum temperature: 6.6 °C

Event center: -26.0°S 56.0°E

Area affected: 6386185 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-Jan-17_to_2020-Feb-11_56.0_-26.0