Category: Weather Extremes – all events

Heat wave occuring from November 27 2018 to December 04 2018 at 24.5°N 40.0°E

Download data: JSON

Event type: Heat wave

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

  • Iraq
  • Saudi Arabia

Duration: 8 days

Time span: November 27 2018 to December 04 2018

Statistics over entire affected area:

  • Mean temperature anomaly: 5.2 °C
  • Mean temperature: 20.8 °C
  • Maximum temperature anomaly: 8.3 °C
  • Maximum temperature: 27.2 °C

Event center: 24.5°N 40.0°E

Area affected: 301687 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-Nov-27_to_2018-Dec-04_40.0_24.5

Heat wave occuring from November 27 2018 to December 01 2018 at -11.5°S 22.5°E

Download data: JSON

Event type: Heat wave

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

  • Angola
  • Congo DRC

Duration: 5 days

Time span: November 27 2018 to December 01 2018

Statistics over entire affected area:

  • Mean temperature anomaly: 2.1 °C
  • Mean temperature: 23.6 °C
  • Maximum temperature anomaly: 3.7 °C
  • Maximum temperature: 25.9 °C

Event center: -11.5°S 22.5°E

Area affected: 145763 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-Nov-27_to_2018-Dec-01_22.5_-11.5

Heat wave occuring from November 27 2018 to December 06 2018 at -16.5°S 189.0°E

Download data: JSON

Event type: Heat wave

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

  • Samoa

Duration: 10 days

Time span: November 27 2018 to December 06 2018

Statistics over entire affected area:

  • Mean temperature anomaly: 1.1 °C
  • Mean temperature: 27.6 °C
  • Maximum temperature anomaly: 1.8 °C
  • Maximum temperature: 28.4 °C

Event center: -16.5°S 189.0°E

Area affected: 462144 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-Nov-27_to_2018-Dec-06_189.0_-16.5

Cold spell occuring from November 27 2018 to December 04 2018 at 43.5°N 25.5°E

Download data: JSON

Event type: Cold spell

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

  • Austria
  • Belarus
  • Bosnia and Herzegovina
  • Bulgaria
  • Croatia
  • Czech Republic
  • Germany
  • Greece
  • Hungary
  • Moldova
  • North Macedonia
  • Poland
  • Romania
  • Serbia
  • Slovakia
  • Slovenia
  • Turkiye
  • Ukraine

Duration: 8 days

Time span: November 27 2018 to December 04 2018

Statistics over entire affected area:

  • Mean temperature anomaly: -7.5 °C
  • Mean temperature: -5.3 °C
  • Minimum temperature anomaly: -15.6 °C
  • Minimum temperature: -17.3 °C

Event center: 43.5°N 25.5°E

Area affected: 961978 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-Nov-27_to_2018-Dec-04_25.5_43.5

Cold spell occuring from November 27 2018 to November 30 2018 at 61.5°N 100.0°E

Download data: JSON

Event type: Cold spell

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

  • Russian Federation

Duration: 4 days

Time span: November 27 2018 to November 30 2018

Statistics over entire affected area:

  • Mean temperature anomaly: -13.9 °C
  • Mean temperature: -41.9 °C
  • Minimum temperature anomaly: -16.9 °C
  • Minimum temperature: -46.8 °C

Event center: 61.5°N 100.0°E

Area affected: 94250 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-Nov-27_to_2018-Nov-30_100.0_61.5

Cold spell occuring from November 27 2018 to November 29 2018 at 35.5°N 276.5°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: November 27 2018 to November 29 2018

Statistics over entire affected area:

  • Mean temperature anomaly: -8.1 °C
  • Mean temperature: -1.7 °C
  • Minimum temperature anomaly: -11.9 °C
  • Minimum temperature: -9.2 °C

Event center: 35.5°N 276.5°E

Area affected: 252601 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-Nov-27_to_2018-Nov-29_276.5_35.5

Cold spell occuring from November 27 2018 to November 29 2018 at 28.5°N 279.5°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: November 27 2018 to November 29 2018

Statistics over entire affected area:

  • Mean temperature anomaly: -6.9 °C
  • Mean temperature: 11.8 °C
  • Minimum temperature anomaly: -9.5 °C
  • Minimum temperature: 5.4 °C

Event center: 28.5°N 279.5°E

Area affected: 98013 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-Nov-27_to_2018-Nov-29_279.5_28.5

Heat wave occuring from November 26 2018 to December 16 2018 at 67.0°N 252.0°E

Download data: JSON

Event type: Heat wave

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

  • Canada
  • United States

Duration: 21 days

Time span: November 26 2018 to December 16 2018

Statistics over entire affected area:

  • Mean temperature anomaly: 10.0 °C
  • Mean temperature: -5.0 °C
  • Maximum temperature anomaly: 22.7 °C
  • Maximum temperature: 13.5 °C

Event center: 67.0°N 252.0°E

Area affected: 5825784 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-Nov-26_to_2018-Dec-16_252.0_67.0

Heat wave occuring from November 26 2018 to December 02 2018 at 65.0°N 286.0°E

Download data: JSON

Event type: Heat wave

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

  • Canada

Duration: 7 days

Time span: November 26 2018 to December 02 2018

Statistics over entire affected area:

  • Mean temperature anomaly: 11.7 °C
  • Mean temperature: -4.3 °C
  • Maximum temperature anomaly: 15.8 °C
  • Maximum temperature: -0.7 °C

Event center: 65.0°N 286.0°E

Area affected: 90192 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-Nov-26_to_2018-Dec-02_286.0_65.0

Cold spell occuring from November 26 2018 to November 28 2018 at 40.5°N 266.5°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: November 26 2018 to November 28 2018

Statistics over entire affected area:

  • Mean temperature anomaly: -9.4 °C
  • Mean temperature: -5.1 °C
  • Minimum temperature anomaly: -14.1 °C
  • Minimum temperature: -11.7 °C

Event center: 40.5°N 266.5°E

Area affected: 213340 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-Nov-26_to_2018-Nov-28_266.5_40.5