Category: Weather Extremes – all events

Cold spell occuring from November 25 2011 to November 29 2011 at -20.5°S 317.0°E

Download data: JSON

Event type: Cold spell

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

  • Brazil

Duration: 5 days

Time span: November 25 2011 to November 29 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -2.9 °C
  • Mean temperature: 20.7 °C
  • Minimum temperature anomaly: -4.9 °C
  • Minimum temperature: 16.6 °C

Event center: -20.5°S 317.0°E

Area affected: 442169 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-Nov-25_to_2011-Nov-29_317.0_-20.5

Heat wave occuring from November 24 2011 to December 02 2011 at 68.5°N 48.0°E

Download data: JSON

Event type: Heat wave

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

  • Russian Federation

Duration: 9 days

Time span: November 24 2011 to December 02 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 9.1 °C
  • Mean temperature: -0.9 °C
  • Maximum temperature anomaly: 15.8 °C
  • Maximum temperature: 3.7 °C

Event center: 68.5°N 48.0°E

Area affected: 748437 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-Nov-24_to_2011-Dec-02_48.0_68.5

Heat wave occuring from November 24 2011 to December 02 2011 at 58.0°N 22.5°E

Download data: JSON

Event type: Heat wave

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

  • Estonia
  • Finland

Duration: 9 days

Time span: November 24 2011 to December 02 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 4.1 °C
  • Mean temperature: 7.0 °C
  • Maximum temperature anomaly: 5.7 °C
  • Maximum temperature: 9.0 °C

Event center: 58.0°N 22.5°E

Area affected: 51054 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-Nov-24_to_2011-Dec-02_22.5_58.0

Heat wave occuring from November 24 2011 to November 26 2011 at 44.5°N 267.0°E

Download data: JSON

Event type: Heat wave

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

  • United States

Duration: 3 days

Time span: November 24 2011 to November 26 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 7.7 °C
  • Mean temperature: 6.6 °C
  • Maximum temperature anomaly: 12.1 °C
  • Maximum temperature: 10.8 °C

Event center: 44.5°N 267.0°E

Area affected: 131445 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-Nov-24_to_2011-Nov-26_267.0_44.5

Heat wave occuring from November 24 2011 to November 27 2011 at 0.0°N 114.0°E

Download data: JSON

Event type: Heat wave

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

  • Indonesia
  • Malaysia

Duration: 4 days

Time span: November 24 2011 to November 27 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 1.3 °C
  • Mean temperature: 26.8 °C
  • Maximum temperature anomaly: 2.5 °C
  • Maximum temperature: 29.2 °C

Event center: 0.0°N 114.0°E

Area affected: 250227 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-Nov-24_to_2011-Nov-27_114.0_0.0

Heat wave occuring from November 24 2011 to November 30 2011 at -75.0°S 218.0°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: November 24 2011 to November 30 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 4.9 °C
  • Mean temperature: -2.8 °C
  • Maximum temperature anomaly: 9.1 °C
  • Maximum temperature: 0.3 °C

Event center: -75.0°S 218.0°E

Area affected: 375407 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-Nov-24_to_2011-Nov-30_218.0_-75.0

Cold spell occuring from November 24 2011 to December 03 2011 at -63.5°S 138.5°E

Download data: JSON

Event type: Cold spell

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

  • Antarctica

Duration: 10 days

Time span: November 24 2011 to December 03 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -3.3 °C
  • Mean temperature: -8.0 °C
  • Minimum temperature anomaly: -7.6 °C
  • Minimum temperature: -25.3 °C

Event center: -63.5°S 138.5°E

Area affected: 434728 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-Nov-24_to_2011-Dec-03_138.5_-63.5

Heat wave occuring from November 23 2011 to November 26 2011 at 49.0°N 264.5°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: November 23 2011 to November 26 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 8.8 °C
  • Mean temperature: 1.2 °C
  • Maximum temperature anomaly: 11.9 °C
  • Maximum temperature: 5.0 °C

Event center: 49.0°N 264.5°E

Area affected: 280736 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-Nov-23_to_2011-Nov-26_264.5_49.0

Heat wave occuring from November 23 2011 to November 27 2011 at -5.0°S 103.5°E

Download data: JSON

Event type: Heat wave

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

  • Indonesia

Duration: 5 days

Time span: November 23 2011 to November 27 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 1.2 °C
  • Mean temperature: 27.3 °C
  • Maximum temperature anomaly: 2.7 °C
  • Maximum temperature: 29.0 °C

Event center: -5.0°S 103.5°E

Area affected: 400890 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-Nov-23_to_2011-Nov-27_103.5_-5.0

Heat wave occuring from November 23 2011 to November 26 2011 at 21.5°N 91.5°E

Download data: JSON

Event type: Heat wave

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

  • Bangladesh

Duration: 4 days

Time span: November 23 2011 to November 26 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 1.2 °C
  • Mean temperature: 26.9 °C
  • Maximum temperature anomaly: 2.3 °C
  • Maximum temperature: 27.6 °C

Event center: 21.5°N 91.5°E

Area affected: 169110 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-Nov-23_to_2011-Nov-26_91.5_21.5