Category: Extremes affecting Iran, Islamic Republic of

Heat wave occuring from October 22 2011 to December 12 2011 at 32.5°N 73.5°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
  • Japan
  • Kazakhstan
  • Kyrgyzstan
  • Mongolia
  • Myanmar
  • Nepal
  • North Korea
  • Oman
  • Pakistan
  • South Korea

Duration: 52 days

Time span: October 22 2011 to December 12 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 4.3 °C
  • Mean temperature: 12.5 °C
  • Maximum temperature anomaly: 15.2 °C
  • Maximum temperature: 31.6 °C

Event center: 32.5°N 73.5°E

Area affected: 11511940 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-Oct-22_to_2011-Dec-12_73.5_32.5

Cold spell occuring from October 22 2011 to October 25 2011 at 30.5°N 59.5°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: October 22 2011 to October 25 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -4.2 °C
  • Mean temperature: 18.5 °C
  • Minimum temperature anomaly: -5.4 °C
  • Minimum temperature: 11.7 °C

Event center: 30.5°N 59.5°E

Area affected: 58490 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-Oct-22_to_2011-Oct-25_59.5_30.5

Heat wave occuring from October 15 2011 to October 20 2011 at 35.5°N 56.0°E

Download data: JSON

Event type: Heat wave

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

  • Iran
  • Kazakhstan
  • Turkmenistan
  • Uzbekistan

Duration: 6 days

Time span: October 15 2011 to October 20 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 5.3 °C
  • Mean temperature: 20.6 °C
  • Maximum temperature anomaly: 8.7 °C
  • Maximum temperature: 27.4 °C

Event center: 35.5°N 56.0°E

Area affected: 822617 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-Oct-15_to_2011-Oct-20_56.0_35.5

Heat wave occuring from October 15 2011 to October 21 2011 at 27.0°N 55.0°E

Download data: JSON

Event type: Heat wave

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

  • Iran

Duration: 7 days

Time span: October 15 2011 to October 21 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 2.1 °C
  • Mean temperature: 27.0 °C
  • Maximum temperature anomaly: 3.0 °C
  • Maximum temperature: 32.7 °C

Event center: 27.0°N 55.0°E

Area affected: 95680 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-Oct-15_to_2011-Oct-21_55.0_27.0

Cold spell occuring from October 06 2011 to October 14 2011 at 29.0°N 50.5°E

Download data: JSON

Event type: Cold spell

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

  • Iran

Duration: 9 days

Time span: October 06 2011 to October 14 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -1.8 °C
  • Mean temperature: 28.1 °C
  • Minimum temperature anomaly: -2.4 °C
  • Minimum temperature: 26.9 °C

Event center: 29.0°N 50.5°E

Area affected: 54039 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-Oct-06_to_2011-Oct-14_50.5_29.0

Cold spell occuring from September 30 2011 to October 08 2011 at 36.5°N 43.5°E

Download data: JSON

Event type: Cold spell

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

  • Armenia
  • Georgia
  • Iran
  • Iraq
  • Russian Federation
  • Syria
  • Turkiye

Duration: 9 days

Time span: September 30 2011 to October 08 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -4.7 °C
  • Mean temperature: 14.6 °C
  • Minimum temperature anomaly: -9.1 °C
  • Minimum temperature: -5.8 °C

Event center: 36.5°N 43.5°E

Area affected: 608811 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-Sep-30_to_2011-Oct-08_43.5_36.5

Cold spell occuring from September 29 2011 to October 25 2011 at 28.0°N 13.5°E

Download data: JSON

Event type: Cold spell

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

  • Albania
  • Algeria
  • Austria
  • Bahrain
  • Belarus
  • Bosnia and Herzegovina
  • Bulgaria
  • Chad
  • Croatia
  • Cyprus
  • Egypt
  • Georgia
  • Greece
  • Hungary
  • Iran
  • Iraq
  • Italy
  • Kuwait
  • Libya
  • Mali
  • Mauritania
  • Moldova
  • Montenegro
  • Niger
  • North Macedonia
  • Poland
  • Romania
  • Saudi Arabia
  • Serbia
  • Slovakia
  • Slovenia
  • Sudan
  • Syria
  • Tunisia
  • Turkiye
  • Ukraine

Duration: 27 days

Time span: September 29 2011 to October 25 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -4.7 °C
  • Mean temperature: 17.4 °C
  • Minimum temperature anomaly: -11.5 °C
  • Minimum temperature: -3.7 °C

Event center: 28.0°N 13.5°E

Area affected: 9904325 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-Sep-29_to_2011-Oct-25_13.5_28.0

Cold spell occuring from September 29 2011 to October 12 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):

  • Bahrain
  • Iran
  • Pakistan
  • Qatar
  • Saudi Arabia

Duration: 14 days

Time span: September 29 2011 to October 12 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -1.9 °C
  • Mean temperature: 27.6 °C
  • Minimum temperature anomaly: -4.3 °C
  • Minimum temperature: 24.0 °C

Event center: 26.5°N 56.5°E

Area affected: 416379 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-Sep-29_to_2011-Oct-12_56.5_26.5

Heat wave occuring from September 24 2011 to October 06 2011 at 30.0°N 50.5°E

Download data: JSON

Event type: Heat wave

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

  • Afghanistan
  • Iran
  • Pakistan

Duration: 13 days

Time span: September 24 2011 to October 06 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 3.3 °C
  • Mean temperature: 29.4 °C
  • Maximum temperature anomaly: 7.0 °C
  • Maximum temperature: 36.4 °C

Event center: 30.0°N 50.5°E

Area affected: 392168 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-24_to_2011-Oct-06_50.5_30.0

Heat wave occuring from September 04 2011 to September 09 2011 at 25.0°N 53.5°E

Download data: JSON

Event type: Heat wave

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

  • Iran
  • Qatar
  • Saudi Arabia

Duration: 6 days

Time span: September 04 2011 to September 09 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 1.7 °C
  • Mean temperature: 34.9 °C
  • Maximum temperature anomaly: 2.7 °C
  • Maximum temperature: 37.6 °C

Event center: 25.0°N 53.5°E

Area affected: 103141 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-04_to_2011-Sep-09_53.5_25.0