Cold spell occuring from September 16 2018 to September 18 2018 at 57.5°N 285.0°E

Download data: JSON

Event type: Cold spell

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

  • Canada

Duration: 3 days

Time span: September 16 2018 to September 18 2018

Statistics over entire affected area:

  • Mean temperature anomaly: -4.2 °C
  • Mean temperature: 1.5 °C
  • Minimum temperature anomaly: -5.4 °C
  • Minimum temperature: -0.4 °C

Event center: 57.5°N 285.0°E

Area affected: 186054 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-16_to_2018-Sep-18_285.0_57.5

Cold spell occuring from September 16 2018 to October 21 2018 at -68.5°S 347.0°E

Download data: JSON

Event type: Cold spell

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

  • Antarctica

Duration: 36 days

Time span: September 16 2018 to October 21 2018

Statistics over entire affected area:

  • Mean temperature anomaly: -8.6 °C
  • Mean temperature: -30.9 °C
  • Minimum temperature anomaly: -17.4 °C
  • Minimum temperature: -65.4 °C

Event center: -68.5°S 13.0°W

Area affected: 12452593 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-16_to_2018-Oct-21_347.0_-68.5

Heat wave occuring from September 15 2018 to December 28 2018 at 15.0°N 207.0°E

Download data: JSON

Event type: Heat wave

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

  • United States

Duration: 105 days

Time span: September 15 2018 to December 28 2018

Statistics over entire affected area:

  • Mean temperature anomaly: 1.2 °C
  • Mean temperature: 27.7 °C
  • Maximum temperature anomaly: 2.6 °C
  • Maximum temperature: 29.8 °C

Event center: 15.0°N 207.0°E

Area affected: 18315898 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-15_to_2018-Dec-28_207.0_15.0

Heat wave occuring from September 15 2018 to September 26 2018 at 16.5°N 18.5°E

Download data: JSON

Event type: Heat wave

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

  • Chad
  • Niger
  • Sudan

Duration: 12 days

Time span: September 15 2018 to September 26 2018

Statistics over entire affected area:

  • Mean temperature anomaly: 2.1 °C
  • Mean temperature: 33.8 °C
  • Maximum temperature anomaly: 3.2 °C
  • Maximum temperature: 36.7 °C

Event center: 16.5°N 18.5°E

Area affected: 459187 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-15_to_2018-Sep-26_18.5_16.5

Heat wave occuring from September 15 2018 to September 21 2018 at -14.5°S 177.5°E

Download data: JSON

Event type: Heat wave

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

  • Fiji

Duration: 7 days

Time span: September 15 2018 to September 21 2018

Statistics over entire affected area:

  • Mean temperature anomaly: 1.2 °C
  • Mean temperature: 26.2 °C
  • Maximum temperature anomaly: 2.6 °C
  • Maximum temperature: 27.5 °C

Event center: -14.5°S 177.5°E

Area affected: 325618 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-15_to_2018-Sep-21_177.5_-14.5

Cold spell occuring from September 15 2018 to September 29 2018 at 76.5°N 339.0°E

Download data: JSON

Event type: Cold spell

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

  • Greenland

Duration: 15 days

Time span: September 15 2018 to September 29 2018

Statistics over entire affected area:

  • Mean temperature anomaly: -6.9 °C
  • Mean temperature: -21.4 °C
  • Minimum temperature anomaly: -14.2 °C
  • Minimum temperature: -35.7 °C

Event center: 76.5°N 339.0°E

Area affected: 947568 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-15_to_2018-Sep-29_339.0_76.5

Cold spell occuring from September 15 2018 to September 25 2018 at 75.0°N 302.0°E

Download data: JSON

Event type: Cold spell

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

  • Greenland

Duration: 11 days

Time span: September 15 2018 to September 25 2018

Statistics over entire affected area:

  • Mean temperature anomaly: -6.1 °C
  • Mean temperature: -16.0 °C
  • Minimum temperature anomaly: -11.3 °C
  • Minimum temperature: -28.9 °C

Event center: 75.0°N 302.0°E

Area affected: 145397 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-15_to_2018-Sep-25_302.0_75.0

Cold spell occuring from September 15 2018 to September 21 2018 at 67.5°N 293.0°E

Download data: JSON

Event type: Cold spell

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

  • Canada

Duration: 7 days

Time span: September 15 2018 to September 21 2018

Statistics over entire affected area:

  • Mean temperature anomaly: -4.8 °C
  • Mean temperature: -7.7 °C
  • Minimum temperature anomaly: -9.2 °C
  • Minimum temperature: -15.9 °C

Event center: 67.5°N 293.0°E

Area affected: 63491 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-15_to_2018-Sep-21_293.0_67.5

Heat wave occuring from September 14 2018 to September 24 2018 at 25.5°N 93.0°E

Download data: JSON

Event type: Heat wave

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

  • Bangladesh
  • India
  • Myanmar

Duration: 11 days

Time span: September 14 2018 to September 24 2018

Statistics over entire affected area:

  • Mean temperature anomaly: 2.0 °C
  • Mean temperature: 28.9 °C
  • Maximum temperature anomaly: 4.5 °C
  • Maximum temperature: 32.3 °C

Event center: 25.5°N 93.0°E

Area affected: 641544 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-14_to_2018-Sep-24_93.0_25.5

Heat wave occuring from September 14 2018 to October 05 2018 at -17.0°S 17.5°E

Download data: JSON

Event type: Heat wave

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

  • Angola
  • Botswana
  • Namibia
  • South Africa

Duration: 22 days

Time span: September 14 2018 to October 05 2018

Statistics over entire affected area:

  • Mean temperature anomaly: 3.3 °C
  • Mean temperature: 27.4 °C
  • Maximum temperature anomaly: 10.4 °C
  • Maximum temperature: 30.8 °C

Event center: -17.0°S 17.5°E

Area affected: 1266135 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-14_to_2018-Oct-05_17.5_-17.0