Category: Weather Extremes – all events

Cold spell occuring from February 13 2011 to February 15 2011 at 19.5°N 55.0°E

Download data: JSON

Event type: Cold spell

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

  • Oman
  • Saudi Arabia
  • Yemen

Duration: 3 days

Time span: February 13 2011 to February 15 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -4.3 °C
  • Mean temperature: 16.7 °C
  • Minimum temperature anomaly: -5.9 °C
  • Minimum temperature: 14.3 °C

Event center: 19.5°N 55.0°E

Area affected: 93334 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-13_to_2011-Feb-15_55.0_19.5

Cold spell occuring from February 13 2011 to February 17 2011 at 9.0°N 34.0°E

Download data: JSON

Event type: Cold spell

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

  • Ethiopia
  • South Sudan
  • Sudan

Duration: 5 days

Time span: February 13 2011 to February 17 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -3.3 °C
  • Mean temperature: 27.1 °C
  • Minimum temperature anomaly: -5.2 °C
  • Minimum temperature: 22.2 °C

Event center: 9.0°N 34.0°E

Area affected: 335915 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-13_to_2011-Feb-17_34.0_9.0

Heat wave occuring from February 12 2011 to February 17 2011 at 43.5°N 259.5°E

Download data: JSON

Event type: Heat wave

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

  • United States

Duration: 6 days

Time span: February 12 2011 to February 17 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 9.5 °C
  • Mean temperature: 7.9 °C
  • Maximum temperature anomaly: 14.3 °C
  • Maximum temperature: 14.9 °C

Event center: 43.5°N 259.5°E

Area affected: 293577 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-Feb-12_to_2011-Feb-17_259.5_43.5

Heat wave occuring from February 12 2011 to February 16 2011 at 30.5°N 91.0°E

Download data: JSON

Event type: Heat wave

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

  • China
  • Nepal

Duration: 5 days

Time span: February 12 2011 to February 16 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 5.4 °C
  • Mean temperature: -8.0 °C
  • Maximum temperature anomaly: 9.8 °C
  • Maximum temperature: 3.2 °C

Event center: 30.5°N 91.0°E

Area affected: 568384 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-Feb-12_to_2011-Feb-16_91.0_30.5

Heat wave occuring from February 12 2011 to February 26 2011 at -3.0°S 154.0°E

Download data: JSON

Event type: Heat wave

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

  • Papua New Guinea

Duration: 15 days

Time span: February 12 2011 to February 26 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 1.1 °C
  • Mean temperature: 28.5 °C
  • Maximum temperature anomaly: 1.8 °C
  • Maximum temperature: 29.2 °C

Event center: -3.0°S 154.0°E

Area affected: 907062 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-Feb-12_to_2011-Feb-26_154.0_-3.0

Heat wave occuring from February 11 2011 to February 18 2011 at -1.0°S 99.0°E

Download data: JSON

Event type: Heat wave

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

  • Indonesia

Duration: 8 days

Time span: February 11 2011 to February 18 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 1.1 °C
  • Mean temperature: 28.3 °C
  • Maximum temperature anomaly: 1.6 °C
  • Maximum temperature: 28.7 °C

Event center: -1.0°S 99.0°E

Area affected: 52538 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-Feb-11_to_2011-Feb-18_99.0_-1.0

Heat wave occuring from February 11 2011 to February 16 2011 at -19.5°S 43.5°E

Download data: JSON

Event type: Heat wave

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

  • Madagascar

Duration: 6 days

Time span: February 11 2011 to February 16 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 1.5 °C
  • Mean temperature: 29.2 °C
  • Maximum temperature anomaly: 2.4 °C
  • Maximum temperature: 30.3 °C

Event center: -19.5°S 43.5°E

Area affected: 101392 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-Feb-11_to_2011-Feb-16_43.5_-19.5

Cold spell occuring from February 11 2011 to February 16 2011 at -9.5°S 27.0°E

Download data: JSON

Event type: Cold spell

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

  • Congo DRC
  • Zambia

Duration: 6 days

Time span: February 11 2011 to February 16 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -1.8 °C
  • Mean temperature: 19.6 °C
  • Minimum temperature anomaly: -3.0 °C
  • Minimum temperature: 17.7 °C

Event center: -9.5°S 27.0°E

Area affected: 82014 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-11_to_2011-Feb-16_27.0_-9.5

Cold spell occuring from February 11 2011 to February 17 2011 at -14.0°S 114.0°E

Download data: JSON

Event type: Cold spell

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

  • Australia

Duration: 7 days

Time span: February 11 2011 to February 17 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -2.3 °C
  • Mean temperature: 26.5 °C
  • Minimum temperature anomaly: -8.3 °C
  • Minimum temperature: 22.0 °C

Event center: -14.0°S 114.0°E

Area affected: 668358 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-11_to_2011-Feb-17_114.0_-14.0

Cold spell occuring from February 11 2011 to February 17 2011 at -11.0°S 20.5°E

Download data: JSON

Event type: Cold spell

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

  • Angola
  • Congo DRC

Duration: 7 days

Time span: February 11 2011 to February 17 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -1.7 °C
  • Mean temperature: 19.4 °C
  • Minimum temperature anomaly: -2.8 °C
  • Minimum temperature: 17.3 °C

Event center: -11.0°S 20.5°E

Area affected: 169536 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-11_to_2011-Feb-17_20.5_-11.0