Category: Cold spells affecting Iran, Islamic Republic of

5 cold spells identified in Iran since 2020

Cold spell occuring from December 06 2011 to January 06 2012 at 39.5°N 76.0°E

Download data: JSON

Event type: Cold spell

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

  • Afghanistan
  • China
  • Djibouti
  • Eritrea
  • Ethiopia
  • India
  • Iran
  • Kazakhstan
  • Kyrgyzstan
  • Oman
  • Pakistan
  • Russian Federation
  • Saudi Arabia
  • Somalia
  • Tajikistan
  • Turkmenistan
  • United Arab Emirates
  • Uzbekistan
  • Yemen

Duration: 32 days

Time span: December 06 2011 to January 06 2012

Statistics over entire affected area:

  • Mean temperature anomaly: -7.2 °C
  • Mean temperature: -4.7 °C
  • Minimum temperature anomaly: -22.5 °C
  • Minimum temperature: -36.2 °C

Event center: 39.5°N 76.0°E

Area affected: 7072686 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-Dec-06_to_2012-Jan-06_76.0_39.5

Cold spell occuring from October 26 2011 to December 24 2011 at 37.5°N 45.0°E

Download data: JSON

Event type: Cold spell

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

  • Afghanistan
  • Albania
  • Armenia
  • Austria
  • Azerbaijan
  • Bahrain
  • Bosnia and Herzegovina
  • Bulgaria
  • Cameroon
  • Central African Republic
  • Chad
  • China
  • Congo
  • Congo DRC
  • Croatia
  • Cyprus
  • Czech Republic
  • Djibouti
  • Egypt
  • Eritrea
  • Ethiopia
  • Georgia
  • Greece
  • Hungary
  • Iran
  • Iraq
  • Israel
  • Italy
  • Jordan
  • Kazakhstan
  • Kuwait
  • Kyrgyzstan
  • Lebanon
  • Libya
  • Mali
  • Niger
  • Nigeria
  • North Macedonia
  • Oman
  • Pakistan
  • Palestinian Territory
  • Poland
  • Qatar
  • Romania
  • Russian Federation
  • Saudi Arabia
  • Serbia
  • Slovakia
  • Slovenia
  • Somalia
  • South Sudan
  • Sudan
  • Syria
  • Tajikistan
  • Turkiye
  • Turkmenistan
  • Ukraine
  • United Arab Emirates
  • Uzbekistan
  • Yemen

Duration: 60 days

Time span: October 26 2011 to December 24 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -5.4 °C
  • Mean temperature: 9.8 °C
  • Minimum temperature anomaly: -19.7 °C
  • Minimum temperature: -27.5 °C

Event center: 37.5°N 45.0°E

Area affected: 22191719 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-26_to_2011-Dec-24_45.0_37.5

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

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

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

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