Category: Weather Extremes – all events

Heat wave occuring from August 29 2015 to August 31 2015 at 66.5°N 313.5°E

Download data: JSON

Event type: Heat wave

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

  • Greenland

Duration: 3 days

Time span: August 29 2015 to August 31 2015

Statistics over entire affected area:

  • Mean temperature anomaly: 7.6 °C
  • Mean temperature: -6.7 °C
  • Maximum temperature anomaly: 10.2 °C
  • Maximum temperature: 4.2 °C

Event center: 66.5°N 313.5°E

Area affected: 428041 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_2015-Aug-29_to_2015-Aug-31_313.5_66.5

Cold spell occuring from June 09 2015 to June 13 2015 at 68.0°N 164.5°E

Download data: JSON

Event type: Cold spell

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

  • Russian Federation

Duration: 5 days

Time span: June 09 2015 to June 13 2015

Statistics over entire affected area:

  • Mean temperature anomaly: -7.4 °C
  • Mean temperature: 4.2 °C
  • Minimum temperature anomaly: -9.9 °C
  • Minimum temperature: -1.4 °C

Event center: 68.0°N 164.5°E

Area affected: 177330 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_2015-Jun-09_to_2015-Jun-13_164.5_68.0

Heat wave occuring from August 29 2015 to September 16 2015 at 40.0°N 270.0°E

Download data: JSON

Event type: Heat wave

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

  • Canada
  • United States

Duration: 19 days

Time span: August 29 2015 to September 16 2015

Statistics over entire affected area:

  • Mean temperature anomaly: 5.2 °C
  • Mean temperature: 23.8 °C
  • Maximum temperature anomaly: 11.0 °C
  • Maximum temperature: 30.9 °C

Event center: 40.0°N 270.0°E

Area affected: 4631943 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_2015-Aug-29_to_2015-Sep-16_270.0_40.0

Cold spell occuring from June 09 2015 to June 13 2015 at 67.5°N 204.0°E

Download data: JSON

Event type: Cold spell

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

  • United States

Duration: 5 days

Time span: June 09 2015 to June 13 2015

Statistics over entire affected area:

  • Mean temperature anomaly: -6.5 °C
  • Mean temperature: 4.6 °C
  • Minimum temperature anomaly: -9.4 °C
  • Minimum temperature: -2.6 °C

Event center: 67.5°N 204.0°E

Area affected: 115639 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_2015-Jun-09_to_2015-Jun-13_204.0_67.5

Heat wave occuring from August 29 2015 to September 06 2015 at -20.5°S 61.0°E

Download data: JSON

Event type: Heat wave

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

  • Mauritius

Duration: 9 days

Time span: August 29 2015 to September 06 2015

Statistics over entire affected area:

  • Mean temperature anomaly: 1.0 °C
  • Mean temperature: 22.7 °C
  • Maximum temperature anomaly: 1.4 °C
  • Maximum temperature: 23.5 °C

Event center: -20.5°S 61.0°E

Area affected: 144837 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_2015-Aug-29_to_2015-Sep-06_61.0_-20.5

Cold spell occuring from June 09 2015 to June 14 2015 at -73.5°S 298.5°E

Download data: JSON

Event type: Cold spell

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

  • Antarctica

Duration: 6 days

Time span: June 09 2015 to June 14 2015

Statistics over entire affected area:

  • Mean temperature anomaly: -10.1 °C
  • Mean temperature: -35.2 °C
  • Minimum temperature anomaly: -15.1 °C
  • Minimum temperature: -44.8 °C

Event center: -73.5°S 298.5°E

Area affected: 209786 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_2015-Jun-09_to_2015-Jun-14_298.5_-73.5

Cold spell occuring from July 31 2015 to August 08 2015 at 51.5°N 338.0°E

Download data: JSON

Event type: Cold spell

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

  • Ireland
  • United Kingdom

Duration: 9 days

Time span: July 31 2015 to August 08 2015

Statistics over entire affected area:

  • Mean temperature anomaly: -2.2 °C
  • Mean temperature: 13.4 °C
  • Minimum temperature anomaly: -4.1 °C
  • Minimum temperature: 10.4 °C

Event center: 51.5°N 338.0°E

Area affected: 2047563 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_2015-Jul-31_to_2015-Aug-08_338.0_51.5

Heat wave occuring from August 29 2015 to September 01 2015 at -35.5°S 172.5°E

Download data: JSON

Event type: Heat wave

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

  • New Zealand

Duration: 4 days

Time span: August 29 2015 to September 01 2015

Statistics over entire affected area:

  • Mean temperature anomaly: 1.6 °C
  • Mean temperature: 16.1 °C
  • Maximum temperature anomaly: 2.2 °C
  • Maximum temperature: 17.2 °C

Event center: -35.5°S 172.5°E

Area affected: 51201 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_2015-Aug-29_to_2015-Sep-01_172.5_-35.5

Heat wave occuring from June 08 2015 to June 13 2015 at 51.0°N 302.5°E

Download data: JSON

Event type: Heat wave

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

  • Canada

Duration: 6 days

Time span: June 08 2015 to June 13 2015

Statistics over entire affected area:

  • Mean temperature anomaly: 3.5 °C
  • Mean temperature: 8.1 °C
  • Maximum temperature anomaly: 6.5 °C
  • Maximum temperature: 15.1 °C

Event center: 51.0°N 302.5°E

Area affected: 147262 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_2015-Jun-08_to_2015-Jun-13_302.5_51.0

Cold spell occuring from August 29 2015 to September 19 2015 at 34.0°N 132.5°E

Download data: JSON

Event type: Cold spell

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

  • China
  • Japan
  • South Korea

Duration: 22 days

Time span: August 29 2015 to September 19 2015

Statistics over entire affected area:

  • Mean temperature anomaly: -2.0 °C
  • Mean temperature: 23.5 °C
  • Minimum temperature anomaly: -4.4 °C
  • Minimum temperature: 17.4 °C

Event center: 34.0°N 132.5°E

Area affected: 1344350 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_2015-Aug-29_to_2015-Sep-19_132.5_34.0