Cold spell occuring from June 23 2011 to July 16 2011 at -18.0°S 357.5°E

Download data: JSON

Event type: Cold spell

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

  • Botswana
  • Lesotho
  • Namibia
  • South Africa

Duration: 24 days

Time span: June 23 2011 to July 16 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -2.1 °C
  • Mean temperature: 15.3 °C
  • Minimum temperature anomaly: -9.7 °C
  • Minimum temperature: -1.3 °C

Event center: -18.0°S 2.5°W

Area affected: 5343571 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_2011-Jun-23_to_2011-Jul-16_357.5_-18.0

Heat wave occuring from June 22 2011 to June 24 2011 at 68.5°N 226.5°E

Download data: JSON

Event type: Heat wave

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

  • Canada

Duration: 3 days

Time span: June 22 2011 to June 24 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 7.0 °C
  • Mean temperature: 22.3 °C
  • Maximum temperature anomaly: 10.8 °C
  • Maximum temperature: 24.5 °C

Event center: 68.5°N 226.5°E

Area affected: 51877 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_2011-Jun-22_to_2011-Jun-24_226.5_68.5

Heat wave occuring from June 22 2011 to June 28 2011 at 18.0°N 35.5°E

Download data: JSON

Event type: Heat wave

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

  • Eritrea
  • Ethiopia
  • Sudan

Duration: 7 days

Time span: June 22 2011 to June 28 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 2.5 °C
  • Mean temperature: 34.5 °C
  • Maximum temperature anomaly: 4.2 °C
  • Maximum temperature: 38.6 °C

Event center: 18.0°N 35.5°E

Area affected: 363672 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_2011-Jun-22_to_2011-Jun-28_35.5_18.0

Heat wave occuring from June 22 2011 to June 28 2011 at 8.0°N 124.0°E

Download data: JSON

Event type: Heat wave

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

  • Philippines

Duration: 7 days

Time span: June 22 2011 to June 28 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 1.2 °C
  • Mean temperature: 27.7 °C
  • Maximum temperature anomaly: 1.9 °C
  • Maximum temperature: 29.5 °C

Event center: 8.0°N 124.0°E

Area affected: 121916 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_2011-Jun-22_to_2011-Jun-28_124.0_8.0

Heat wave occuring from June 22 2011 to June 30 2011 at -9.0°S 312.5°E

Download data: JSON

Event type: Heat wave

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

  • Brazil

Duration: 9 days

Time span: June 22 2011 to June 30 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 1.3 °C
  • Mean temperature: 28.0 °C
  • Maximum temperature anomaly: 2.0 °C
  • Maximum temperature: 29.2 °C

Event center: -9.0°S 312.5°E

Area affected: 116401 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_2011-Jun-22_to_2011-Jun-30_312.5_-9.0

Cold spell occuring from June 22 2011 to June 25 2011 at 42.5°N 265.0°E

Download data: JSON

Event type: Cold spell

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

  • United States

Duration: 4 days

Time span: June 22 2011 to June 25 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -4.8 °C
  • Mean temperature: 18.2 °C
  • Minimum temperature anomaly: -6.2 °C
  • Minimum temperature: 15.3 °C

Event center: 42.5°N 265.0°E

Area affected: 222100 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_2011-Jun-22_to_2011-Jun-25_265.0_42.5

Cold spell occuring from June 22 2011 to July 03 2011 at -16.5°S 16.0°E

Download data: JSON

Event type: Cold spell

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

  • Angola
  • Botswana
  • Eswatini
  • Lesotho
  • Mozambique
  • Namibia
  • South Africa
  • Zambia
  • Zimbabwe

Duration: 12 days

Time span: June 22 2011 to July 03 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -4.7 °C
  • Mean temperature: 10.3 °C
  • Minimum temperature anomaly: -9.5 °C
  • Minimum temperature: -3.2 °C

Event center: -16.5°S 16.0°E

Area affected: 2631914 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_2011-Jun-22_to_2011-Jul-03_16.0_-16.5

Cold spell occuring from June 22 2011 to June 27 2011 at -24.0°S 44.0°E

Download data: JSON

Event type: Cold spell

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

  • Madagascar

Duration: 6 days

Time span: June 22 2011 to June 27 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -2.0 °C
  • Mean temperature: 20.3 °C
  • Minimum temperature anomaly: -4.4 °C
  • Minimum temperature: 15.3 °C

Event center: -24.0°S 44.0°E

Area affected: 167555 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_2011-Jun-22_to_2011-Jun-27_44.0_-24.0

Heat wave occuring from June 21 2011 to July 03 2011 at 74.0°N 59.5°E

Download data: JSON

Event type: Heat wave

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

  • Russian Federation

Duration: 13 days

Time span: June 21 2011 to July 03 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 7.8 °C
  • Mean temperature: 16.8 °C
  • Maximum temperature anomaly: 15.6 °C
  • Maximum temperature: 26.4 °C

Event center: 74.0°N 59.5°E

Area affected: 967747 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_2011-Jun-21_to_2011-Jul-03_59.5_74.0

Heat wave occuring from June 21 2011 to June 24 2011 at 21.0°N 41.5°E

Download data: JSON

Event type: Heat wave

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

  • Saudi Arabia

Duration: 4 days

Time span: June 21 2011 to June 24 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 2.5 °C
  • Mean temperature: 35.6 °C
  • Maximum temperature anomaly: 3.5 °C
  • Maximum temperature: 37.9 °C

Event center: 21.0°N 41.5°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: Heat_wave_2011-Jun-21_to_2011-Jun-24_41.5_21.0