Category: Extremes affecting Sri Lanka

Heat wave occuring from May 05 2012 to June 22 2012 at 24.5°N 95.5°E

Download data: JSON

Event type: Heat wave

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

  • Bangladesh
  • Bhutan
  • China
  • India
  • Myanmar
  • Nepal
  • Pakistan
  • Sri Lanka

Duration: 49 days

Time span: May 05 2012 to June 22 2012

Statistics over entire affected area:

  • Mean temperature anomaly: 3.0 °C
  • Mean temperature: 29.5 °C
  • Maximum temperature anomaly: 7.8 °C
  • Maximum temperature: 40.7 °C

Event center: 24.5°N 95.5°E

Area affected: 4590599 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-May-05_to_2012-Jun-22_95.5_24.5

Heat wave occuring from May 02 2012 to May 10 2012 at 3.0°N 76.5°E

Download data: JSON

Event type: Heat wave

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

  • Sri Lanka

Duration: 9 days

Time span: May 02 2012 to May 10 2012

Statistics over entire affected area:

  • Mean temperature anomaly: 1.1 °C
  • Mean temperature: 29.0 °C
  • Maximum temperature anomaly: 1.6 °C
  • Maximum temperature: 29.6 °C

Event center: 3.0°N 76.5°E

Area affected: 807204 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-May-02_to_2012-May-10_76.5_3.0

Cold spell occuring from April 16 2012 to June 11 2012 at 20.5°N 72.0°E

Download data: JSON

Event type: Cold spell

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

  • Afghanistan
  • Bhutan
  • China
  • India
  • Iran
  • Myanmar
  • Nepal
  • Oman
  • Pakistan
  • Sri Lanka

Duration: 57 days

Time span: April 16 2012 to June 11 2012

Statistics over entire affected area:

  • Mean temperature anomaly: -3.1 °C
  • Mean temperature: 17.9 °C
  • Minimum temperature anomaly: -14.0 °C
  • Minimum temperature: -20.6 °C

Event center: 20.5°N 72.0°E

Area affected: 6772370 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-Apr-16_to_2012-Jun-11_72.0_20.5

Cold spell occuring from January 08 2012 to January 29 2012 at 17.5°N 87.0°E

Download data: JSON

Event type: Cold spell

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

  • Bangladesh
  • India
  • Myanmar
  • Pakistan
  • Sri Lanka

Duration: 22 days

Time span: January 08 2012 to January 29 2012

Statistics over entire affected area:

  • Mean temperature anomaly: -2.3 °C
  • Mean temperature: 20.0 °C
  • Minimum temperature anomaly: -6.6 °C
  • Minimum temperature: 9.0 °C

Event center: 17.5°N 87.0°E

Area affected: 3513674 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-Jan-08_to_2012-Jan-29_87.0_17.5

Heat wave occuring from December 14 2011 to December 16 2011 at 8.0°N 82.0°E

Download data: JSON

Event type: Heat wave

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

  • Sri Lanka

Duration: 3 days

Time span: December 14 2011 to December 16 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 1.1 °C
  • Mean temperature: 27.5 °C
  • Maximum temperature anomaly: 1.6 °C
  • Maximum temperature: 27.9 °C

Event center: 8.0°N 82.0°E

Area affected: 67211 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-Dec-14_to_2011-Dec-16_82.0_8.0

Heat wave occuring from December 01 2011 to December 10 2011 at 9.5°N 80.0°E

Download data: JSON

Event type: Heat wave

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

  • Sri Lanka

Duration: 10 days

Time span: December 01 2011 to December 10 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 0.9 °C
  • Mean temperature: 27.5 °C
  • Maximum temperature anomaly: 1.5 °C
  • Maximum temperature: 28.1 °C

Event center: 9.5°N 80.0°E

Area affected: 239007 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-Dec-01_to_2011-Dec-10_80.0_9.5

Heat wave occuring from September 21 2011 to October 21 2011 at 8.5°N 77.0°E

Download data: JSON

Event type: Heat wave

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

  • India
  • Sri Lanka

Duration: 31 days

Time span: September 21 2011 to October 21 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 1.1 °C
  • Mean temperature: 28.3 °C
  • Maximum temperature anomaly: 4.3 °C
  • Maximum temperature: 32.9 °C

Event center: 8.5°N 77.0°E

Area affected: 3232863 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-Sep-21_to_2011-Oct-21_77.0_8.5

Heat wave occuring from August 26 2011 to September 02 2011 at 4.0°N 78.5°E

Download data: JSON

Event type: Heat wave

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

  • Sri Lanka

Duration: 8 days

Time span: August 26 2011 to September 02 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 1.0 °C
  • Mean temperature: 28.1 °C
  • Maximum temperature anomaly: 1.5 °C
  • Maximum temperature: 28.6 °C

Event center: 4.0°N 78.5°E

Area affected: 895155 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-Aug-26_to_2011-Sep-02_78.5_4.0

Cold spell occuring from April 14 2011 to May 09 2011 at 18.5°N 95.0°E

Download data: JSON

Event type: Cold spell

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

  • Bangladesh
  • Cambodia
  • China
  • India
  • Laos
  • Myanmar
  • Sri Lanka
  • Thailand

Duration: 26 days

Time span: April 14 2011 to May 09 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -2.2 °C
  • Mean temperature: 26.9 °C
  • Minimum temperature anomaly: -7.1 °C
  • Minimum temperature: 16.9 °C

Event center: 18.5°N 95.0°E

Area affected: 4482018 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-14_to_2011-May-09_95.0_18.5

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