Category: Extremes affecting Iran, Islamic Republic of

Cold spell occuring from August 17 2011 to August 29 2011 at 26.5°N 56.5°E

Download data: JSON

Event type: Cold spell

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

  • Iran
  • Oman
  • United Arab Emirates

Duration: 13 days

Time span: August 17 2011 to August 29 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -2.4 °C
  • Mean temperature: 29.9 °C
  • Minimum temperature anomaly: -4.5 °C
  • Minimum temperature: 27.1 °C

Event center: 26.5°N 56.5°E

Area affected: 190857 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-Aug-17_to_2011-Aug-29_56.5_26.5

Cold spell occuring from August 16 2011 to September 04 2011 at 35.5°N 51.0°E

Download data: JSON

Event type: Cold spell

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

  • Afghanistan
  • Armenia
  • Azerbaijan
  • Georgia
  • Iran
  • Iraq
  • Kazakhstan
  • Kyrgyzstan
  • Pakistan
  • Russian Federation
  • Tajikistan
  • Turkiye
  • Turkmenistan
  • Uzbekistan

Duration: 20 days

Time span: August 16 2011 to September 04 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -5.5 °C
  • Mean temperature: 12.4 °C
  • Minimum temperature anomaly: -12.7 °C
  • Minimum temperature: 0.2 °C

Event center: 35.5°N 51.0°E

Area affected: 6304653 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-Aug-16_to_2011-Sep-04_51.0_35.5

Heat wave occuring from August 13 2011 to September 19 2011 at 34.0°N 66.5°E

Download data: JSON

Event type: Heat wave

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

  • Afghanistan
  • Bangladesh
  • Bhutan
  • China
  • India
  • Iran
  • Kazakhstan
  • Kyrgyzstan
  • Nepal
  • Pakistan
  • Tajikistan
  • Turkmenistan
  • Uzbekistan

Duration: 38 days

Time span: August 13 2011 to September 19 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 3.8 °C
  • Mean temperature: 21.2 °C
  • Maximum temperature anomaly: 10.2 °C
  • Maximum temperature: 40.8 °C

Event center: 34.0°N 66.5°E

Area affected: 4668736 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-13_to_2011-Sep-19_66.5_34.0

Heat wave occuring from July 24 2011 to July 28 2011 at 32.5°N 49.5°E

Download data: JSON

Event type: Heat wave

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

  • Iran
  • Iraq

Duration: 5 days

Time span: July 24 2011 to July 28 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 3.0 °C
  • Mean temperature: 37.9 °C
  • Maximum temperature anomaly: 4.9 °C
  • Maximum temperature: 43.7 °C

Event center: 32.5°N 49.5°E

Area affected: 123947 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-Jul-24_to_2011-Jul-28_49.5_32.5

Cold spell occuring from July 15 2011 to July 18 2011 at 30.5°N 58.0°E

Download data: JSON

Event type: Cold spell

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

  • Iran

Duration: 4 days

Time span: July 15 2011 to July 18 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -4.0 °C
  • Mean temperature: 31.2 °C
  • Minimum temperature anomaly: -5.3 °C
  • Minimum temperature: 24.6 °C

Event center: 30.5°N 58.0°E

Area affected: 140140 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-15_to_2011-Jul-18_58.0_30.5

Heat wave occuring from July 13 2011 to July 15 2011 at 32.0°N 47.5°E

Download data: JSON

Event type: Heat wave

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

  • Iran
  • Iraq

Duration: 3 days

Time span: July 13 2011 to July 15 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 3.1 °C
  • Mean temperature: 41.1 °C
  • Maximum temperature anomaly: 3.9 °C
  • Maximum temperature: 43.4 °C

Event center: 32.0°N 47.5°E

Area affected: 94199 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-Jul-13_to_2011-Jul-15_47.5_32.0

Cold spell occuring from July 09 2011 to July 12 2011 at 30.0°N 54.5°E

Download data: JSON

Event type: Cold spell

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

  • Iran

Duration: 4 days

Time span: July 09 2011 to July 12 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -2.7 °C
  • Mean temperature: 26.8 °C
  • Minimum temperature anomaly: -4.2 °C
  • Minimum temperature: 21.2 °C

Event center: 30.0°N 54.5°E

Area affected: 77807 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-09_to_2011-Jul-12_54.5_30.0

Heat wave occuring from June 25 2011 to July 11 2011 at 34.0°N 53.5°E

Download data: JSON

Event type: Heat wave

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

  • Armenia
  • Azerbaijan
  • Georgia
  • Iran
  • Iraq
  • Kazakhstan
  • Russian Federation
  • Turkiye
  • Turkmenistan
  • Uzbekistan

Duration: 17 days

Time span: June 25 2011 to July 11 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 5.1 °C
  • Mean temperature: 31.6 °C
  • Maximum temperature anomaly: 11.0 °C
  • Maximum temperature: 42.9 °C

Event center: 34.0°N 53.5°E

Area affected: 2623874 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-Jun-25_to_2011-Jul-11_53.5_34.0

Cold spell occuring from June 25 2011 to July 07 2011 at 45.0°N 31.0°E

Download data: JSON

Event type: Cold spell

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

  • Austria
  • Belarus
  • Belgium
  • Bulgaria
  • Croatia
  • Czech Republic
  • Egypt
  • Eritrea
  • Georgia
  • Germany
  • Greece
  • Hungary
  • Iran
  • Iraq
  • Israel
  • Italy
  • Jordan
  • Kuwait
  • Lebanon
  • Luxembourg
  • Moldova
  • Netherlands
  • North Macedonia
  • Palestinian Territory
  • Poland
  • Romania
  • Russian Federation
  • Saudi Arabia
  • Serbia
  • Slovakia
  • Slovenia
  • Sudan
  • Switzerland
  • Syria
  • Turkiye
  • Ukraine

Duration: 13 days

Time span: June 25 2011 to July 07 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -3.8 °C
  • Mean temperature: 20.8 °C
  • Minimum temperature anomaly: -9.0 °C
  • Minimum temperature: 1.9 °C

Event center: 45.0°N 31.0°E

Area affected: 4557586 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-Jun-25_to_2011-Jul-07_31.0_45.0

Heat wave occuring from June 16 2011 to June 23 2011 at 32.5°N 51.0°E

Download data: JSON

Event type: Heat wave

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

  • Iran

Duration: 8 days

Time span: June 16 2011 to June 23 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 3.4 °C
  • Mean temperature: 29.2 °C
  • Maximum temperature anomaly: 6.3 °C
  • Maximum temperature: 38.9 °C

Event center: 32.5°N 51.0°E

Area affected: 310466 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-Jun-16_to_2011-Jun-23_51.0_32.5