Category: Weather Extremes – all events

Cold spell occuring from July 01 2015 to July 13 2015 at 69.5°N 277.5°E

Download data: JSON

Event type: Cold spell

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

  • Canada

Duration: 13 days

Time span: July 01 2015 to July 13 2015

Statistics over entire affected area:

  • Mean temperature anomaly: -5.4 °C
  • Mean temperature: 3.1 °C
  • Minimum temperature anomaly: -8.9 °C
  • Minimum temperature: 0.0 °C

Event center: 69.5°N 277.5°E

Area affected: 165949 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-01_to_2015-Jul-13_277.5_69.5

Heat wave occuring from July 30 2015 to August 04 2015 at 59.5°N 294.0°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: July 30 2015 to August 04 2015

Statistics over entire affected area:

  • Mean temperature anomaly: 4.0 °C
  • Mean temperature: 9.8 °C
  • Maximum temperature anomaly: 9.3 °C
  • Maximum temperature: 20.5 °C

Event center: 59.5°N 294.0°E

Area affected: 60596 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-Jul-30_to_2015-Aug-04_294.0_59.5

Cold spell occuring from July 01 2015 to July 17 2015 at 28.0°N 0.0°E

Download data: JSON

Event type: Cold spell

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

  • Algeria
  • Libya
  • Mali
  • Mauritania
  • Tunisia

Duration: 17 days

Time span: July 01 2015 to July 17 2015

Statistics over entire affected area:

  • Mean temperature anomaly: -3.4 °C
  • Mean temperature: 32.3 °C
  • Minimum temperature anomaly: -7.7 °C
  • Minimum temperature: 21.1 °C

Event center: 28.0°N 0.0°E

Area affected: 2422435 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-01_to_2015-Jul-17_0.0_28.0

Heat wave occuring from July 30 2015 to August 09 2015 at 8.0°N 2.5°E

Download data: JSON

Event type: Heat wave

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

  • Benin
  • Ghana
  • Nigeria
  • Togo

Duration: 11 days

Time span: July 30 2015 to August 09 2015

Statistics over entire affected area:

  • Mean temperature anomaly: 1.2 °C
  • Mean temperature: 25.8 °C
  • Maximum temperature anomaly: 1.8 °C
  • Maximum temperature: 27.2 °C

Event center: 8.0°N 2.5°E

Area affected: 159432 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-Jul-30_to_2015-Aug-09_2.5_8.0

Cold spell occuring from July 01 2015 to July 04 2015 at 24.0°N 30.0°E

Download data: JSON

Event type: Cold spell

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

  • Egypt
  • Sudan

Duration: 4 days

Time span: July 01 2015 to July 04 2015

Statistics over entire affected area:

  • Mean temperature anomaly: -2.5 °C
  • Mean temperature: 29.9 °C
  • Minimum temperature anomaly: -2.9 °C
  • Minimum temperature: 26.8 °C

Event center: 24.0°N 30.0°E

Area affected: 122127 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-01_to_2015-Jul-04_30.0_24.0

Heat wave occuring from July 30 2015 to August 04 2015 at -6.0°S 29.5°E

Download data: JSON

Event type: Heat wave

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

  • Burundi
  • Congo DRC
  • Tanzania

Duration: 6 days

Time span: July 30 2015 to August 04 2015

Statistics over entire affected area:

  • Mean temperature anomaly: 1.4 °C
  • Mean temperature: 23.5 °C
  • Maximum temperature anomaly: 2.0 °C
  • Maximum temperature: 27.0 °C

Event center: -6.0°S 29.5°E

Area affected: 64611 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-Jul-30_to_2015-Aug-04_29.5_-6.0

Cold spell occuring from July 30 2015 to August 26 2015 at -4.5°S 134.5°E

Download data: JSON

Event type: Cold spell

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

  • Indonesia

Duration: 28 days

Time span: July 30 2015 to August 26 2015

Statistics over entire affected area:

  • Mean temperature anomaly: -0.9 °C
  • Mean temperature: 24.7 °C
  • Minimum temperature anomaly: -1.8 °C
  • Minimum temperature: 21.4 °C

Event center: -4.5°S 134.5°E

Area affected: 675247 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-30_to_2015-Aug-26_134.5_-4.5

Cold spell occuring from July 01 2015 to July 10 2015 at 38.0°N 99.5°E

Download data: JSON

Event type: Cold spell

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

  • China

Duration: 10 days

Time span: July 01 2015 to July 10 2015

Statistics over entire affected area:

  • Mean temperature anomaly: -4.2 °C
  • Mean temperature: 8.2 °C
  • Minimum temperature anomaly: -8.6 °C
  • Minimum temperature: -3.4 °C

Event center: 38.0°N 99.5°E

Area affected: 296985 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-01_to_2015-Jul-10_99.5_38.0

Cold spell occuring from July 30 2015 to August 01 2015 at -28.5°S 27.0°E

Download data: JSON

Event type: Cold spell

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

  • South Africa

Duration: 3 days

Time span: July 30 2015 to August 01 2015

Statistics over entire affected area:

  • Mean temperature anomaly: -4.7 °C
  • Mean temperature: 5.5 °C
  • Minimum temperature anomaly: -5.7 °C
  • Minimum temperature: 3.5 °C

Event center: -28.5°S 27.0°E

Area affected: 65023 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-30_to_2015-Aug-01_27.0_-28.5

Cold spell occuring from July 01 2015 to July 10 2015 at 26.0°N 112.0°E

Download data: JSON

Event type: Cold spell

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

  • China
  • Japan

Duration: 10 days

Time span: July 01 2015 to July 10 2015

Statistics over entire affected area:

  • Mean temperature anomaly: -4.5 °C
  • Mean temperature: 21.8 °C
  • Minimum temperature anomaly: -10.0 °C
  • Minimum temperature: 9.4 °C

Event center: 26.0°N 112.0°E

Area affected: 2153496 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-01_to_2015-Jul-10_112.0_26.0