Category: Weather Extremes – all events

Cold spell occuring from February 23 2011 to March 03 2011 at -17.0°S 139.0°E

Download data: JSON

Event type: Cold spell

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

  • Australia

Duration: 9 days

Time span: February 23 2011 to March 03 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -1.9 °C
  • Mean temperature: 25.6 °C
  • Minimum temperature anomaly: -4.6 °C
  • Minimum temperature: 21.6 °C

Event center: -17.0°S 139.0°E

Area affected: 781575 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-23_to_2011-Mar-03_139.0_-17.0

Heat wave occuring from February 22 2011 to March 13 2011 at 69.5°N 164.0°E

Download data: JSON

Event type: Heat wave

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

  • Russian Federation
  • United States

Duration: 20 days

Time span: February 22 2011 to March 13 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 9.8 °C
  • Mean temperature: -10.3 °C
  • Maximum temperature anomaly: 29.7 °C
  • Maximum temperature: 17.1 °C

Event center: 69.5°N 164.0°E

Area affected: 8931667 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-22_to_2011-Mar-13_164.0_69.5

Heat wave occuring from February 22 2011 to February 27 2011 at 37.5°N 353.0°E

Download data: JSON

Event type: Heat wave

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

  • Portugal
  • Spain

Duration: 6 days

Time span: February 22 2011 to February 27 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 3.5 °C
  • Mean temperature: 14.5 °C
  • Maximum temperature anomaly: 6.5 °C
  • Maximum temperature: 17.1 °C

Event center: 37.5°N 353.0°E

Area affected: 123961 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-22_to_2011-Feb-27_353.0_37.5

Cold spell occuring from February 22 2011 to February 28 2011 at 7.0°N 1.5°E

Download data: JSON

Event type: Cold spell

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

  • Benin
  • Ghana
  • Nigeria
  • Togo

Duration: 7 days

Time span: February 22 2011 to February 28 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -2.0 °C
  • Mean temperature: 26.9 °C
  • Minimum temperature anomaly: -3.8 °C
  • Minimum temperature: 24.7 °C

Event center: 7.0°N 1.5°E

Area affected: 79686 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-22_to_2011-Feb-28_1.5_7.0

Cold spell occuring from February 22 2011 to March 02 2011 at 5.0°N 352.0°E

Download data: JSON

Event type: Cold spell

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

  • Côte d’Ivoire
  • Guinea
  • Liberia

Duration: 9 days

Time span: February 22 2011 to March 02 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -1.8 °C
  • Mean temperature: 25.3 °C
  • Minimum temperature anomaly: -3.8 °C
  • Minimum temperature: 23.0 °C

Event center: 5.0°N 352.0°E

Area affected: 184169 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-22_to_2011-Mar-02_352.0_5.0

Cold spell occuring from February 22 2011 to February 25 2011 at -26.0°S 152.5°E

Download data: JSON

Event type: Cold spell

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

  • Australia

Duration: 4 days

Time span: February 22 2011 to February 25 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -2.6 °C
  • Mean temperature: 21.2 °C
  • Minimum temperature anomaly: -4.4 °C
  • Minimum temperature: 16.1 °C

Event center: -26.0°S 152.5°E

Area affected: 88211 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-22_to_2011-Feb-25_152.5_-26.0

Heat wave occuring from February 21 2011 to February 27 2011 at 38.0°N 100.5°E

Download data: JSON

Event type: Heat wave

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

  • China

Duration: 7 days

Time span: February 21 2011 to February 27 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 6.0 °C
  • Mean temperature: -1.7 °C
  • Maximum temperature anomaly: 8.6 °C
  • Maximum temperature: 6.4 °C

Event center: 38.0°N 100.5°E

Area affected: 88365 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-21_to_2011-Feb-27_100.5_38.0

Heat wave occuring from February 21 2011 to February 23 2011 at 45.5°N 129.0°E

Download data: JSON

Event type: Heat wave

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

  • China

Duration: 3 days

Time span: February 21 2011 to February 23 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 8.9 °C
  • Mean temperature: 0.3 °C
  • Maximum temperature anomaly: 12.3 °C
  • Maximum temperature: 4.8 °C

Event center: 45.5°N 129.0°E

Area affected: 53320 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-21_to_2011-Feb-23_129.0_45.5

Heat wave occuring from February 21 2011 to February 27 2011 at 31.0°N 352.0°E

Download data: JSON

Event type: Heat wave

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

  • Algeria
  • Morocco

Duration: 7 days

Time span: February 21 2011 to February 27 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 4.1 °C
  • Mean temperature: 15.1 °C
  • Maximum temperature anomaly: 5.7 °C
  • Maximum temperature: 21.9 °C

Event center: 31.0°N 352.0°E

Area affected: 53219 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-21_to_2011-Feb-27_352.0_31.0

Cold spell occuring from February 21 2011 to March 05 2011 at 7.5°N 85.5°E

Download data: JSON

Event type: Cold spell

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

  • Sri Lanka

Duration: 13 days

Time span: February 21 2011 to March 05 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -1.3 °C
  • Mean temperature: 25.9 °C
  • Minimum temperature anomaly: -2.3 °C
  • Minimum temperature: 20.4 °C

Event center: 7.5°N 85.5°E

Area affected: 1562332 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-21_to_2011-Mar-05_85.5_7.5