Category: Weather Extremes – all events

Heat wave occuring from September 18 2017 to September 21 2017 at 1.5°N 12.5°E

Download data: JSON

Event type: Heat wave

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

  • Cameroon
  • Equatorial Guinea
  • Gabon

Duration: 4 days

Time span: September 18 2017 to September 21 2017

Statistics over entire affected area:

  • Mean temperature anomaly: 1.4 °C
  • Mean temperature: 24.8 °C
  • Maximum temperature anomaly: 2.1 °C
  • Maximum temperature: 27.0 °C

Event center: 1.5°N 12.5°E

Area affected: 120430 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-Sep-18_to_2017-Sep-21_12.5_1.5

Cold spell occuring from September 18 2017 to October 01 2017 at 44.0°N 245.0°E

Download data: JSON

Event type: Cold spell

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

  • Canada
  • Mexico
  • United States

Duration: 14 days

Time span: September 18 2017 to October 01 2017

Statistics over entire affected area:

  • Mean temperature anomaly: -6.1 °C
  • Mean temperature: 11.4 °C
  • Minimum temperature anomaly: -16.0 °C
  • Minimum temperature: -4.7 °C

Event center: 44.0°N 245.0°E

Area affected: 3699794 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-Sep-18_to_2017-Oct-01_245.0_44.0

Cold spell occuring from September 18 2017 to September 23 2017 at 40.0°N 15.5°E

Download data: JSON

Event type: Cold spell

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

  • Italy

Duration: 6 days

Time span: September 18 2017 to September 23 2017

Statistics over entire affected area:

  • Mean temperature anomaly: -3.9 °C
  • Mean temperature: 15.0 °C
  • Minimum temperature anomaly: -6.8 °C
  • Minimum temperature: 8.5 °C

Event center: 40.0°N 15.5°E

Area affected: 85690 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-Sep-18_to_2017-Sep-23_15.5_40.0

Heat wave occuring from September 17 2017 to September 26 2017 at 38.5°N 118.5°E

Download data: JSON

Event type: Heat wave

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

  • China

Duration: 10 days

Time span: September 17 2017 to September 26 2017

Statistics over entire affected area:

  • Mean temperature anomaly: 3.6 °C
  • Mean temperature: 22.5 °C
  • Maximum temperature anomaly: 6.8 °C
  • Maximum temperature: 27.4 °C

Event center: 38.5°N 118.5°E

Area affected: 854194 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-Sep-17_to_2017-Sep-26_118.5_38.5

Heat wave occuring from September 17 2017 to September 20 2017 at 25.0°N 0.0°E

Download data: JSON

Event type: Heat wave

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

  • Algeria
  • Mali

Duration: 4 days

Time span: September 17 2017 to September 20 2017

Statistics over entire affected area:

  • Mean temperature anomaly: 2.2 °C
  • Mean temperature: 36.7 °C
  • Maximum temperature anomaly: 3.3 °C
  • Maximum temperature: 38.1 °C

Event center: 25.0°N 360.0°E

Area affected: 79508 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-Sep-17_to_2017-Sep-20_0.0_25.0

Heat wave occuring from September 17 2017 to September 24 2017 at 2.5°N 308.5°E

Download data: JSON

Event type: Heat wave

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

  • Brazil
  • French Guiana
  • Suriname

Duration: 8 days

Time span: September 17 2017 to September 24 2017

Statistics over entire affected area:

  • Mean temperature anomaly: 1.1 °C
  • Mean temperature: 28.1 °C
  • Maximum temperature anomaly: 1.5 °C
  • Maximum temperature: 28.6 °C

Event center: 2.5°N 308.5°E

Area affected: 58560 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-Sep-17_to_2017-Sep-24_308.5_2.5

Heat wave occuring from September 17 2017 to September 20 2017 at -14.5°S 38.5°E

Download data: JSON

Event type: Heat wave

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

  • Mozambique

Duration: 4 days

Time span: September 17 2017 to September 20 2017

Statistics over entire affected area:

  • Mean temperature anomaly: 1.8 °C
  • Mean temperature: 25.8 °C
  • Maximum temperature anomaly: 2.5 °C
  • Maximum temperature: 27.2 °C

Event center: -14.5°S 38.5°E

Area affected: 65927 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-Sep-17_to_2017-Sep-20_38.5_-14.5

Heat wave occuring from September 16 2017 to October 07 2017 at 76.0°N 16.0°E

Download data: JSON

Event type: Heat wave

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

  • Faroe Islands
  • Greenland
  • Iceland
  • Norway
  • Russian Federation
  • Sweden
  • United Kingdom

Duration: 22 days

Time span: September 16 2017 to October 07 2017

Statistics over entire affected area:

  • Mean temperature anomaly: 4.4 °C
  • Mean temperature: 6.3 °C
  • Maximum temperature anomaly: 13.5 °C
  • Maximum temperature: 16.5 °C

Event center: 76.0°N 16.0°E

Area affected: 4663893 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-Sep-16_to_2017-Oct-07_16.0_76.0

Heat wave occuring from September 16 2017 to September 24 2017 at 19.0°N 109.5°E

Download data: JSON

Event type: Heat wave

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

  • China
  • Vietnam

Duration: 9 days

Time span: September 16 2017 to September 24 2017

Statistics over entire affected area:

  • Mean temperature anomaly: 2.5 °C
  • Mean temperature: 28.7 °C
  • Maximum temperature anomaly: 5.5 °C
  • Maximum temperature: 30.7 °C

Event center: 19.0°N 109.5°E

Area affected: 334351 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-Sep-16_to_2017-Sep-24_109.5_19.0

Heat wave occuring from September 16 2017 to September 22 2017 at -15.5°S 288.0°E

Download data: JSON

Event type: Heat wave

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

  • Peru

Duration: 7 days

Time span: September 16 2017 to September 22 2017

Statistics over entire affected area:

  • Mean temperature anomaly: 2.3 °C
  • Mean temperature: 8.1 °C
  • Maximum temperature anomaly: 4.1 °C
  • Maximum temperature: 19.4 °C

Event center: -15.5°S 288.0°E

Area affected: 56710 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-Sep-16_to_2017-Sep-22_288.0_-15.5