Category: Weather Extremes – all events

Cold spell occuring from September 29 2012 to October 05 2012 at -61.5°S 131.0°E

Download data: JSON

Event type: Cold spell

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

  • Antarctica

Duration: 7 days

Time span: September 29 2012 to October 05 2012

Statistics over entire affected area:

  • Mean temperature anomaly: -6.8 °C
  • Mean temperature: -13.9 °C
  • Minimum temperature anomaly: -11.1 °C
  • Minimum temperature: -37.8 °C

Event center: -61.5°S 131.0°E

Area affected: 1040483 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_2012-Sep-29_to_2012-Oct-05_131.0_-61.5

Heat wave occuring from September 28 2012 to October 01 2012 at 47.0°N 262.5°E

Download data: JSON

Event type: Heat wave

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

  • Canada
  • United States

Duration: 4 days

Time span: September 28 2012 to October 01 2012

Statistics over entire affected area:

  • Mean temperature anomaly: 6.9 °C
  • Mean temperature: 17.9 °C
  • Maximum temperature anomaly: 10.0 °C
  • Maximum temperature: 19.8 °C

Event center: 47.0°N 262.5°E

Area affected: 65126 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_2012-Sep-28_to_2012-Oct-01_262.5_47.0

Heat wave occuring from September 28 2012 to October 24 2012 at -27.5°S 55.5°E

Download data: JSON

Event type: Heat wave

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

  • Madagascar
  • Mozambique

Duration: 27 days

Time span: September 28 2012 to October 24 2012

Statistics over entire affected area:

  • Mean temperature anomaly: 2.1 °C
  • Mean temperature: 23.1 °C
  • Maximum temperature anomaly: 5.5 °C
  • Maximum temperature: 31.2 °C

Event center: -27.5°S 55.5°E

Area affected: 3264307 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_2012-Sep-28_to_2012-Oct-24_55.5_-27.5

Heat wave occuring from September 28 2012 to October 04 2012 at -83.5°S 52.0°E

Download data: JSON

Event type: Heat wave

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

  • Antarctica

Duration: 7 days

Time span: September 28 2012 to October 04 2012

Statistics over entire affected area:

  • Mean temperature anomaly: 9.3 °C
  • Mean temperature: -45.3 °C
  • Maximum temperature anomaly: 11.9 °C
  • Maximum temperature: -42.2 °C

Event center: -83.5°S 52.0°E

Area affected: 59187 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_2012-Sep-28_to_2012-Oct-04_52.0_-83.5

Cold spell occuring from September 28 2012 to October 01 2012 at 19.5°N 280.5°E

Download data: JSON

Event type: Cold spell

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

  • Cuba

Duration: 4 days

Time span: September 28 2012 to October 01 2012

Statistics over entire affected area:

  • Mean temperature anomaly: -1.4 °C
  • Mean temperature: 26.1 °C
  • Minimum temperature anomaly: -2.2 °C
  • Minimum temperature: 23.7 °C

Event center: 19.5°N 280.5°E

Area affected: 115817 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_2012-Sep-28_to_2012-Oct-01_280.5_19.5

Cold spell occuring from September 28 2012 to October 04 2012 at -9.5°S 147.5°E

Download data: JSON

Event type: Cold spell

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

  • Papua New Guinea

Duration: 7 days

Time span: September 28 2012 to October 04 2012

Statistics over entire affected area:

  • Mean temperature anomaly: -1.8 °C
  • Mean temperature: 20.5 °C
  • Minimum temperature anomaly: -3.4 °C
  • Minimum temperature: 16.0 °C

Event center: -9.5°S 147.5°E

Area affected: 58013 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_2012-Sep-28_to_2012-Oct-04_147.5_-9.5

Cold spell occuring from September 28 2012 to September 30 2012 at -24.0°S 23.0°E

Download data: JSON

Event type: Cold spell

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

  • Botswana
  • Namibia

Duration: 3 days

Time span: September 28 2012 to September 30 2012

Statistics over entire affected area:

  • Mean temperature anomaly: -6.1 °C
  • Mean temperature: 16.9 °C
  • Minimum temperature anomaly: -9.0 °C
  • Minimum temperature: 13.1 °C

Event center: -24.0°S 23.0°E

Area affected: 99642 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_2012-Sep-28_to_2012-Sep-30_23.0_-24.0

Cold spell occuring from September 28 2012 to October 02 2012 at -75.5°S 166.0°E

Download data: JSON

Event type: Cold spell

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

  • Antarctica

Duration: 5 days

Time span: September 28 2012 to October 02 2012

Statistics over entire affected area:

  • Mean temperature anomaly: -4.8 °C
  • Mean temperature: -23.9 °C
  • Minimum temperature anomaly: -7.2 °C
  • Minimum temperature: -28.5 °C

Event center: -75.5°S 166.0°E

Area affected: 51653 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_2012-Sep-28_to_2012-Oct-02_166.0_-75.5

Heat wave occuring from September 27 2012 to October 08 2012 at 27.5°N 245.0°E

Download data: JSON

Event type: Heat wave

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

  • Mexico
  • United States

Duration: 12 days

Time span: September 27 2012 to October 08 2012

Statistics over entire affected area:

  • Mean temperature anomaly: 4.0 °C
  • Mean temperature: 25.1 °C
  • Maximum temperature anomaly: 10.1 °C
  • Maximum temperature: 33.8 °C

Event center: 27.5°N 245.0°E

Area affected: 1508375 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_2012-Sep-27_to_2012-Oct-08_245.0_27.5

Heat wave occuring from September 27 2012 to October 04 2012 at 59.0°N 112.5°E

Download data: JSON

Event type: Heat wave

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

  • Russian Federation

Duration: 8 days

Time span: September 27 2012 to October 04 2012

Statistics over entire affected area:

  • Mean temperature anomaly: 5.4 °C
  • Mean temperature: 5.3 °C
  • Maximum temperature anomaly: 9.4 °C
  • Maximum temperature: 11.3 °C

Event center: 59.0°N 112.5°E

Area affected: 1083206 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_2012-Sep-27_to_2012-Oct-04_112.5_59.0