Category: Weather Extremes – all events

Cold spell occuring from September 11 2018 to September 17 2018 at 40.5°N 236.0°E

Download data: JSON

Event type: Cold spell

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

  • United States

Duration: 7 days

Time span: September 11 2018 to September 17 2018

Statistics over entire affected area:

  • Mean temperature anomaly: -4.8 °C
  • Mean temperature: 11.7 °C
  • Minimum temperature anomaly: -7.4 °C
  • Minimum temperature: 6.8 °C

Event center: 40.5°N 236.0°E

Area affected: 107116 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-Sep-11_to_2018-Sep-17_236.0_40.5

Cold spell occuring from September 11 2018 to September 18 2018 at 30.5°N 354.0°E

Download data: JSON

Event type: Cold spell

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

  • Algeria
  • Mauritania
  • Morocco

Duration: 8 days

Time span: September 11 2018 to September 18 2018

Statistics over entire affected area:

  • Mean temperature anomaly: -5.4 °C
  • Mean temperature: 24.1 °C
  • Minimum temperature anomaly: -8.5 °C
  • Minimum temperature: 13.8 °C

Event center: 30.5°N 354.0°E

Area affected: 179953 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-Sep-11_to_2018-Sep-18_354.0_30.5

Heat wave occuring from September 10 2018 to October 21 2018 at 28.0°N 149.0°E

Download data: JSON

Event type: Heat wave

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

  • China
  • Japan

Duration: 42 days

Time span: September 10 2018 to October 21 2018

Statistics over entire affected area:

  • Mean temperature anomaly: 1.5 °C
  • Mean temperature: 27.8 °C
  • Maximum temperature anomaly: 7.0 °C
  • Maximum temperature: 31.1 °C

Event center: 28.0°N 149.0°E

Area affected: 3673645 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-Sep-10_to_2018-Oct-21_149.0_28.0

Heat wave occuring from September 10 2018 to September 14 2018 at -15.0°S 291.5°E

Download data: JSON

Event type: Heat wave

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

  • Bolivia
  • Peru

Duration: 5 days

Time span: September 10 2018 to September 14 2018

Statistics over entire affected area:

  • Mean temperature anomaly: 3.7 °C
  • Mean temperature: 27.3 °C
  • Maximum temperature anomaly: 5.1 °C
  • Maximum temperature: 31.0 °C

Event center: -15.0°S 291.5°E

Area affected: 83777 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-Sep-10_to_2018-Sep-14_291.5_-15.0

Cold spell occuring from September 10 2018 to September 26 2018 at 56.0°N 329.0°E

Download data: JSON

Event type: Cold spell

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

  • Austria
  • Belgium
  • Canada
  • Czech Republic
  • Denmark
  • France
  • Germany
  • Iceland
  • Ireland
  • Netherlands
  • Poland
  • Slovakia
  • United Kingdom

Duration: 17 days

Time span: September 10 2018 to September 26 2018

Statistics over entire affected area:

  • Mean temperature anomaly: -2.8 °C
  • Mean temperature: 8.8 °C
  • Minimum temperature anomaly: -9.2 °C
  • Minimum temperature: -1.9 °C

Event center: 56.0°N 329.0°E

Area affected: 5402079 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-Sep-10_to_2018-Sep-26_329.0_56.0

Cold spell occuring from September 10 2018 to September 14 2018 at 18.0°N 350.5°E

Download data: JSON

Event type: Cold spell

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

  • Mauritania

Duration: 5 days

Time span: September 10 2018 to September 14 2018

Statistics over entire affected area:

  • Mean temperature anomaly: -3.9 °C
  • Mean temperature: 28.9 °C
  • Minimum temperature anomaly: -5.8 °C
  • Minimum temperature: 27.0 °C

Event center: 18.0°N 350.5°E

Area affected: 55912 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-Sep-10_to_2018-Sep-14_350.5_18.0

Cold spell occuring from September 10 2018 to September 14 2018 at -22.0°S 44.0°E

Download data: JSON

Event type: Cold spell

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

  • Madagascar

Duration: 5 days

Time span: September 10 2018 to September 14 2018

Statistics over entire affected area:

  • Mean temperature anomaly: -2.6 °C
  • Mean temperature: 21.5 °C
  • Minimum temperature anomaly: -4.1 °C
  • Minimum temperature: 17.8 °C

Event center: -22.0°S 44.0°E

Area affected: 66068 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-Sep-10_to_2018-Sep-14_44.0_-22.0

Cold spell occuring from September 10 2018 to September 14 2018 at -83.5°S 312.0°E

Download data: JSON

Event type: Cold spell

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

  • Antarctica

Duration: 5 days

Time span: September 10 2018 to September 14 2018

Statistics over entire affected area:

  • Mean temperature anomaly: -8.6 °C
  • Mean temperature: -49.5 °C
  • Minimum temperature anomaly: -12.4 °C
  • Minimum temperature: -54.7 °C

Event center: -83.5°S 312.0°E

Area affected: 85773 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-Sep-10_to_2018-Sep-14_312.0_-83.5

Cold spell occuring from September 10 2018 to September 18 2018 at -87.5°S 138.5°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: September 10 2018 to September 18 2018

Statistics over entire affected area:

  • Mean temperature anomaly: -9.5 °C
  • Mean temperature: -56.3 °C
  • Minimum temperature anomaly: -20.0 °C
  • Minimum temperature: -69.7 °C

Event center: -87.5°S 138.5°E

Area affected: 585763 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-Sep-10_to_2018-Sep-18_138.5_-87.5

Heat wave occuring from September 09 2018 to September 16 2018 at 18.5°N 80.5°E

Download data: JSON

Event type: Heat wave

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

  • India

Duration: 8 days

Time span: September 09 2018 to September 16 2018

Statistics over entire affected area:

  • Mean temperature anomaly: 1.7 °C
  • Mean temperature: 28.7 °C
  • Maximum temperature anomaly: 2.5 °C
  • Maximum temperature: 30.7 °C

Event center: 18.5°N 80.5°E

Area affected: 117170 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-Sep-09_to_2018-Sep-16_80.5_18.5