Category: Weather Extremes – all events

Cold spell occuring from April 23 2015 to April 25 2015 at 33.5°N 36.5°E

Download data: JSON

Event type: Cold spell

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

  • Iraq
  • Jordan
  • Saudi Arabia
  • Syria

Duration: 3 days

Time span: April 23 2015 to April 25 2015

Statistics over entire affected area:

  • Mean temperature anomaly: -6.1 °C
  • Mean temperature: 13.3 °C
  • Minimum temperature anomaly: -8.1 °C
  • Minimum temperature: 10.2 °C

Event center: 33.5°N 36.5°E

Area affected: 92392 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-Apr-23_to_2015-Apr-25_36.5_33.5

Cold spell occuring from April 23 2015 to April 27 2015 at 7.0°N 102.0°E

Download data: JSON

Event type: Cold spell

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

  • Thailand

Duration: 5 days

Time span: April 23 2015 to April 27 2015

Statistics over entire affected area:

  • Mean temperature anomaly: -1.2 °C
  • Mean temperature: 26.9 °C
  • Minimum temperature anomaly: -1.8 °C
  • Minimum temperature: 26.3 °C

Event center: 7.0°N 102.0°E

Area affected: 104204 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-Apr-23_to_2015-Apr-27_102.0_7.0

Cold spell occuring from April 23 2015 to April 29 2015 at 20.0°N 90.5°E

Download data: JSON

Event type: Cold spell

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

  • Bangladesh
  • India

Duration: 7 days

Time span: April 23 2015 to April 29 2015

Statistics over entire affected area:

  • Mean temperature anomaly: -3.0 °C
  • Mean temperature: 27.0 °C
  • Minimum temperature anomaly: -6.3 °C
  • Minimum temperature: 20.9 °C

Event center: 20.0°N 90.5°E

Area affected: 769480 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-Apr-23_to_2015-Apr-29_90.5_20.0

Cold spell occuring from April 23 2015 to April 27 2015 at 14.0°N 78.5°E

Download data: JSON

Event type: Cold spell

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

  • India

Duration: 5 days

Time span: April 23 2015 to April 27 2015

Statistics over entire affected area:

  • Mean temperature anomaly: -2.6 °C
  • Mean temperature: 27.5 °C
  • Minimum temperature anomaly: -4.4 °C
  • Minimum temperature: 24.2 °C

Event center: 14.0°N 78.5°E

Area affected: 66053 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-Apr-23_to_2015-Apr-27_78.5_14.0

Cold spell occuring from April 23 2015 to April 27 2015 at 17.0°N 78.0°E

Download data: JSON

Event type: Cold spell

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

  • India

Duration: 5 days

Time span: April 23 2015 to April 27 2015

Statistics over entire affected area:

  • Mean temperature anomaly: -2.7 °C
  • Mean temperature: 30.2 °C
  • Minimum temperature anomaly: -4.1 °C
  • Minimum temperature: 27.1 °C

Event center: 17.0°N 78.0°E

Area affected: 73481 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-Apr-23_to_2015-Apr-27_78.0_17.0

Cold spell occuring from April 23 2015 to April 29 2015 at -13.5°S 22.5°E

Download data: JSON

Event type: Cold spell

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

  • Angola
  • Zambia

Duration: 7 days

Time span: April 23 2015 to April 29 2015

Statistics over entire affected area:

  • Mean temperature anomaly: -1.7 °C
  • Mean temperature: 21.0 °C
  • Minimum temperature anomaly: -2.2 °C
  • Minimum temperature: 20.3 °C

Event center: -13.5°S 22.5°E

Area affected: 93094 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-Apr-23_to_2015-Apr-29_22.5_-13.5

Heat wave occuring from April 22 2015 to April 30 2015 at -23.5°S 290.5°E

Download data: JSON

Event type: Heat wave

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

  • Argentina
  • Bolivia
  • Chile

Duration: 9 days

Time span: April 22 2015 to April 30 2015

Statistics over entire affected area:

  • Mean temperature anomaly: 3.9 °C
  • Mean temperature: 12.5 °C
  • Maximum temperature anomaly: 9.0 °C
  • Maximum temperature: 22.9 °C

Event center: -23.5°S 290.5°E

Area affected: 461413 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-Apr-22_to_2015-Apr-30_290.5_-23.5

Heat wave occuring from April 22 2015 to April 26 2015 at -45.0°S 167.5°E

Download data: JSON

Event type: Heat wave

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

  • New Zealand

Duration: 5 days

Time span: April 22 2015 to April 26 2015

Statistics over entire affected area:

  • Mean temperature anomaly: 3.2 °C
  • Mean temperature: 12.6 °C
  • Maximum temperature anomaly: 6.7 °C
  • Maximum temperature: 16.2 °C

Event center: -45.0°S 167.5°E

Area affected: 198945 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-Apr-22_to_2015-Apr-26_167.5_-45.0

Cold spell occuring from April 22 2015 to May 31 2015 at 81.5°N 344.0°E

Download data: JSON

Event type: Cold spell

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

  • Canada
  • Greenland
  • Iceland
  • Norway
  • Russian Federation

Duration: 40 days

Time span: April 22 2015 to May 31 2015

Statistics over entire affected area:

  • Mean temperature anomaly: -4.8 °C
  • Mean temperature: -12.4 °C
  • Minimum temperature anomaly: -11.6 °C
  • Minimum temperature: -36.8 °C

Event center: 81.5°N 344.0°E

Area affected: 8145965 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-Apr-22_to_2015-May-31_344.0_81.5

Heat wave occuring from April 21 2015 to April 30 2015 at 58.0°N 291.0°E

Download data: JSON

Event type: Heat wave

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

  • Canada

Duration: 10 days

Time span: April 21 2015 to April 30 2015

Statistics over entire affected area:

  • Mean temperature anomaly: 7.7 °C
  • Mean temperature: -0.0 °C
  • Maximum temperature anomaly: 11.3 °C
  • Maximum temperature: 11.3 °C

Event center: 58.0°N 291.0°E

Area affected: 1156561 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-Apr-21_to_2015-Apr-30_291.0_58.0