Category: Weather Extremes – all events

Heat wave occuring from December 31 2017 to January 03 2018 at 39.0°N 58.5°E

Download data: JSON

Event type: Heat wave

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

  • Turkmenistan

Duration: 4 days

Time span: December 31 2017 to January 03 2018

Statistics over entire affected area:

  • Mean temperature anomaly: 6.4 °C
  • Mean temperature: 9.5 °C
  • Maximum temperature anomaly: 9.1 °C
  • Maximum temperature: 12.7 °C

Event center: 39.0°N 58.5°E

Area affected: 59914 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_2017-Dec-31_to_2018-Jan-03_58.5_39.0

Cold spell occuring from December 31 2017 to January 08 2018 at 60.0°N 281.5°E

Download data: JSON

Event type: Cold spell

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

  • Canada

Duration: 9 days

Time span: December 31 2017 to January 08 2018

Statistics over entire affected area:

  • Mean temperature anomaly: -10.8 °C
  • Mean temperature: -33.3 °C
  • Minimum temperature anomaly: -20.2 °C
  • Minimum temperature: -45.5 °C

Event center: 60.0°N 281.5°E

Area affected: 679058 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_2017-Dec-31_to_2018-Jan-08_281.5_60.0

Cold spell occuring from December 31 2017 to January 10 2018 at 43.0°N 87.5°E

Download data: JSON

Event type: Cold spell

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

  • China
  • Kazakhstan

Duration: 11 days

Time span: December 31 2017 to January 10 2018

Statistics over entire affected area:

  • Mean temperature anomaly: -7.4 °C
  • Mean temperature: -21.3 °C
  • Minimum temperature anomaly: -16.1 °C
  • Minimum temperature: -34.5 °C

Event center: 43.0°N 87.5°E

Area affected: 292941 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_2017-Dec-31_to_2018-Jan-10_87.5_43.0

Heat wave occuring from December 30 2017 to January 02 2018 at -4.5°S 313.5°E

Download data: JSON

Event type: Heat wave

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

  • Brazil

Duration: 4 days

Time span: December 30 2017 to January 02 2018

Statistics over entire affected area:

  • Mean temperature anomaly: 1.5 °C
  • Mean temperature: 27.6 °C
  • Maximum temperature anomaly: 2.0 °C
  • Maximum temperature: 28.9 °C

Event center: -4.5°S 313.5°E

Area affected: 67743 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_2017-Dec-30_to_2018-Jan-02_313.5_-4.5

Cold spell occuring from December 30 2017 to January 07 2018 at -62.0°S 288.5°E

Download data: JSON

Event type: Cold spell

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

  • Antarctica

Duration: 9 days

Time span: December 30 2017 to January 07 2018

Statistics over entire affected area:

  • Mean temperature anomaly: -2.1 °C
  • Mean temperature: -0.6 °C
  • Minimum temperature anomaly: -5.5 °C
  • Minimum temperature: -18.6 °C

Event center: -62.0°S 288.5°E

Area affected: 777061 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_2017-Dec-30_to_2018-Jan-07_288.5_-62.0

Heat wave occuring from December 29 2017 to January 04 2018 at 30.5°N 351.0°E

Download data: JSON

Event type: Heat wave

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

  • Algeria
  • Mali
  • Mauritania
  • Morocco

Duration: 7 days

Time span: December 29 2017 to January 04 2018

Statistics over entire affected area:

  • Mean temperature anomaly: 3.8 °C
  • Mean temperature: 18.0 °C
  • Maximum temperature anomaly: 5.2 °C
  • Maximum temperature: 23.7 °C

Event center: 30.5°N 351.0°E

Area affected: 778627 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_2017-Dec-29_to_2018-Jan-04_351.0_30.5

Heat wave occuring from December 29 2017 to January 06 2018 at 4.0°N 124.5°E

Download data: JSON

Event type: Heat wave

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

  • Indonesia

Duration: 9 days

Time span: December 29 2017 to January 06 2018

Statistics over entire affected area:

  • Mean temperature anomaly: 1.0 °C
  • Mean temperature: 27.7 °C
  • Maximum temperature anomaly: 1.5 °C
  • Maximum temperature: 28.4 °C

Event center: 4.0°N 124.5°E

Area affected: 182018 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_2017-Dec-29_to_2018-Jan-06_124.5_4.0

Heat wave occuring from December 28 2017 to January 27 2018 at 43.5°N 6.0°E

Download data: JSON

Event type: Heat wave

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

  • Albania
  • Algeria
  • Andorra
  • Austria
  • Azores
  • Bahamas
  • Bosnia and Herzegovina
  • Canada
  • Croatia
  • Czech Republic
  • Dominican Republic
  • France
  • Germany
  • Hungary
  • Italy
  • Libya
  • Montenegro
  • North Macedonia
  • Poland
  • Portugal
  • Puerto Rico
  • Romania
  • Serbia
  • Slovakia
  • Slovenia
  • Spain
  • Switzerland
  • Tunisia
  • Turks and Caicos Islands
  • Ukraine

Duration: 31 days

Time span: December 28 2017 to January 27 2018

Statistics over entire affected area:

  • Mean temperature anomaly: 3.1 °C
  • Mean temperature: 18.0 °C
  • Maximum temperature anomaly: 17.7 °C
  • Maximum temperature: 26.7 °C

Event center: 43.5°N 366.0°E

Area affected: 14453727 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_2017-Dec-28_to_2018-Jan-27_6.0_43.5

Heat wave occuring from December 28 2017 to December 30 2017 at -36.5°S 301.0°E

Download data: JSON

Event type: Heat wave

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

  • Argentina

Duration: 3 days

Time span: December 28 2017 to December 30 2017

Statistics over entire affected area:

  • Mean temperature anomaly: 4.8 °C
  • Mean temperature: 28.2 °C
  • Maximum temperature anomaly: 7.2 °C
  • Maximum temperature: 31.2 °C

Event center: -36.5°S 301.0°E

Area affected: 128272 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_2017-Dec-28_to_2017-Dec-30_301.0_-36.5

Cold spell occuring from December 28 2017 to January 01 2018 at 64.5°N 338.5°E

Download data: JSON

Event type: Cold spell

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

  • Iceland

Duration: 5 days

Time span: December 28 2017 to January 01 2018

Statistics over entire affected area:

  • Mean temperature anomaly: -8.5 °C
  • Mean temperature: -11.0 °C
  • Minimum temperature anomaly: -17.1 °C
  • Minimum temperature: -21.7 °C

Event center: 64.5°N 338.5°E

Area affected: 51884 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_2017-Dec-28_to_2018-Jan-01_338.5_64.5