Cold spell occuring from December 30 2011 to January 16 2012 at -26.0°S 292.5°E

Download data: JSON

Event type: Cold spell

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

  • Argentina
  • Bolivia
  • Chile

Duration: 18 days

Time span: December 30 2011 to January 16 2012

Statistics over entire affected area:

  • Mean temperature anomaly: -3.7 °C
  • Mean temperature: 6.4 °C
  • Minimum temperature anomaly: -7.9 °C
  • Minimum temperature: -4.2 °C

Event center: -26.0°S 292.5°E

Area affected: 243695 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-Dec-30_to_2012-Jan-16_292.5_-26.0

Cold spell occuring from December 17 2011 to December 27 2011 at -11.0°S 284.0°E

Download data: JSON

Event type: Cold spell

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

  • Bolivia
  • Brazil
  • Peru

Duration: 11 days

Time span: December 17 2011 to December 27 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -1.9 °C
  • Mean temperature: 15.4 °C
  • Minimum temperature anomaly: -7.7 °C
  • Minimum temperature: -1.3 °C

Event center: -11.0°S 284.0°E

Area affected: 666407 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-Dec-17_to_2011-Dec-27_284.0_-11.0

Cold spell occuring from December 13 2011 to December 21 2011 at -22.0°S 294.5°E

Download data: JSON

Event type: Cold spell

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

  • Argentina
  • Bolivia
  • Chile

Duration: 9 days

Time span: December 13 2011 to December 21 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -3.4 °C
  • Mean temperature: 8.6 °C
  • Minimum temperature anomaly: -7.4 °C
  • Minimum temperature: -1.9 °C

Event center: -22.0°S 294.5°E

Area affected: 266369 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-Dec-13_to_2011-Dec-21_294.5_-22.0

Cold spell occuring from September 23 2011 to September 29 2011 at -16.0°S 291.5°E

Download data: JSON

Event type: Cold spell

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

  • Bolivia
  • Peru

Duration: 7 days

Time span: September 23 2011 to September 29 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -2.3 °C
  • Mean temperature: 7.1 °C
  • Minimum temperature anomaly: -4.5 °C
  • Minimum temperature: 4.1 °C

Event center: -16.0°S 291.5°E

Area affected: 64999 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-Sep-23_to_2011-Sep-29_291.5_-16.0

Cold spell occuring from July 05 2011 to August 10 2011 at -22.0°S 292.5°E

Download data: JSON

Event type: Cold spell

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

  • Argentina
  • Bolivia
  • Brazil
  • Chile
  • Paraguay
  • Peru

Duration: 37 days

Time span: July 05 2011 to August 10 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -6.4 °C
  • Mean temperature: 7.7 °C
  • Minimum temperature anomaly: -16.2 °C
  • Minimum temperature: -21.9 °C

Event center: -22.0°S 292.5°E

Area affected: 4017643 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-Jul-05_to_2011-Aug-10_292.5_-22.0

Cold spell occuring from May 11 2011 to May 22 2011 at -22.0°S 293.5°E

Download data: JSON

Event type: Cold spell

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

  • Argentina
  • Bolivia
  • Chile
  • Peru

Duration: 12 days

Time span: May 11 2011 to May 22 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -2.6 °C
  • Mean temperature: 2.9 °C
  • Minimum temperature anomaly: -5.9 °C
  • Minimum temperature: -2.8 °C

Event center: -22.0°S 293.5°E

Area affected: 157946 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-May-11_to_2011-May-22_293.5_-22.0

Cold spell occuring from April 29 2011 to May 07 2011 at -14.0°S 289.0°E

Download data: JSON

Event type: Cold spell

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

  • Argentina
  • Bolivia
  • Brazil
  • Paraguay
  • Peru

Duration: 9 days

Time span: April 29 2011 to May 07 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -4.7 °C
  • Mean temperature: 16.6 °C
  • Minimum temperature anomaly: -10.0 °C
  • Minimum temperature: -2.0 °C

Event center: -14.0°S 289.0°E

Area affected: 1856018 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-Apr-29_to_2011-May-07_289.0_-14.0

Cold spell occuring from April 10 2011 to April 17 2011 at -17.0°S 288.5°E

Download data: JSON

Event type: Cold spell

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

  • Bolivia
  • Chile
  • Peru

Duration: 8 days

Time span: April 10 2011 to April 17 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -2.1 °C
  • Mean temperature: 11.0 °C
  • Minimum temperature anomaly: -4.2 °C
  • Minimum temperature: 0.0 °C

Event center: -17.0°S 288.5°E

Area affected: 105888 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-Apr-10_to_2011-Apr-17_288.5_-17.0

Cold spell occuring from March 13 2011 to March 18 2011 at -27.5°S 294.5°E

Download data: JSON

Event type: Cold spell

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

  • Argentina
  • Bolivia
  • Paraguay

Duration: 6 days

Time span: March 13 2011 to March 18 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -5.4 °C
  • Mean temperature: 18.7 °C
  • Minimum temperature anomaly: -8.4 °C
  • Minimum temperature: 6.3 °C

Event center: -27.5°S 294.5°E

Area affected: 385690 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-Mar-13_to_2011-Mar-18_294.5_-27.5

Cold spell occuring from February 25 2011 to March 15 2011 at -21.5°S 306.0°E

Download data: JSON

Event type: Cold spell

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

  • Bolivia
  • Brazil
  • Paraguay

Duration: 19 days

Time span: February 25 2011 to March 15 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -2.6 °C
  • Mean temperature: 22.8 °C
  • Minimum temperature anomaly: -5.6 °C
  • Minimum temperature: 16.7 °C

Event center: -21.5°S 306.0°E

Area affected: 2146987 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-Feb-25_to_2011-Mar-15_306.0_-21.5