Category: Cold spells affecting Iran, Islamic Republic of

Cold spell occuring from September 23 2023 to September 26 2023 at 30.5°N 64.5°E

Download data: JSON

Event type: Cold spell

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

  • Afghanistan
  • Iran, Islamic Republic of
  • Pakistan

Duration: 4 days

Time span: September 23 2023 to September 26 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -3.9 °C
  • Mean temperature: 22.6 °C
  • Minimum temperature anomaly: -5.8 °C
  • Minimum temperature: 18.0 °C

Event center: 30.5°N 64.5°E

Area affected: 102595 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_2023-Sep-23_to_2023-Sep-26_64.5_30.5

Cold spell occuring from September 08 2023 to September 14 2023 at 41.5°N 53.0°E

Download data: JSON

Event type: Cold spell

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

  • Armenia
  • Azerbaijan
  • Georgia
  • Iran, Islamic Republic of
  • Kazakhstan
  • Russian Federation
  • Turkmenistan
  • Türkiye
  • Uzbekistan

Duration: 7 days

Time span: September 08 2023 to September 14 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -4.8 °C
  • Mean temperature: 15.0 °C
  • Minimum temperature anomaly: -8.5 °C
  • Minimum temperature: 0.1 °C

Event center: 41.5°N 53.0°E

Area affected: 626394 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_2023-Sep-08_to_2023-Sep-14_53.0_41.5

Cold spell occuring from August 14 2023 to August 18 2023 at 31.0°N 53.5°E

Download data: JSON

Event type: Cold spell

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

  • Afghanistan
  • Iran, Islamic Republic of

Duration: 5 days

Time span: August 14 2023 to August 18 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -3.3 °C
  • Mean temperature: 25.6 °C
  • Minimum temperature anomaly: -4.8 °C
  • Minimum temperature: 16.6 °C

Event center: 31.0°N 53.5°E

Area affected: 413142 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_2023-Aug-14_to_2023-Aug-18_53.5_31.0

Cold spell occuring from July 22 2023 to August 08 2023 at 27.0°N 64.5°E

Download data: JSON

Event type: Cold spell

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

  • Afghanistan
  • India
  • Iran, Islamic Republic of
  • Pakistan

Duration: 18 days

Time span: July 22 2023 to August 08 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -3.7 °C
  • Mean temperature: 26.7 °C
  • Minimum temperature anomaly: -7.7 °C
  • Minimum temperature: 10.8 °C

Event center: 27.0°N 64.5°E

Area affected: 522013 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_2023-Jul-22_to_2023-Aug-08_64.5_27.0

Cold spell occuring from May 12 2023 to May 18 2023 at 45.0°N 57.0°E

Download data: JSON

Event type: Cold spell

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

  • Iran, Islamic Republic of
  • Kazakhstan
  • Turkmenistan
  • Uzbekistan

Duration: 7 days

Time span: May 12 2023 to May 18 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -6.0 °C
  • Mean temperature: 14.3 °C
  • Minimum temperature anomaly: -9.8 °C
  • Minimum temperature: 10.9 °C

Event center: 45.0°N 57.0°E

Area affected: 332836 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_2023-May-12_to_2023-May-18_57.0_45.0

Cold spell occuring from May 12 2023 to May 17 2023 at 42.5°N 46.5°E

Download data: JSON

Event type: Cold spell

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

  • Armenia
  • Azerbaijan
  • Georgia
  • Iran, Islamic Republic of
  • Russian Federation

Duration: 6 days

Time span: May 12 2023 to May 17 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -4.8 °C
  • Mean temperature: 7.7 °C
  • Minimum temperature anomaly: -8.1 °C
  • Minimum temperature: -2.5 °C

Event center: 42.5°N 46.5°E

Area affected: 62957 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_2023-May-12_to_2023-May-17_46.5_42.5

Cold spell occuring from May 03 2023 to May 06 2023 at 24.5°N 56.5°E

Download data: JSON

Event type: Cold spell

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

  • Iran, Islamic Republic of
  • Oman

Duration: 4 days

Time span: May 03 2023 to May 06 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -2.1 °C
  • Mean temperature: 27.8 °C
  • Minimum temperature anomaly: -4.0 °C
  • Minimum temperature: 26.4 °C

Event center: 24.5°N 56.5°E

Area affected: 50525 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_2023-May-03_to_2023-May-06_56.5_24.5

Cold spell occuring from April 19 2023 to May 28 2023 at 23.0°N 80.0°E

Download data: JSON

Event type: Cold spell

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

  • Afghanistan
  • Bhutan
  • China
  • India
  • Iran, Islamic Republic of
  • Kazakhstan
  • Kyrgyzstan
  • Lao People’s Democratic Republic
  • Mongolia
  • Myanmar
  • Nepal
  • Pakistan
  • Russian Federation
  • Sri Lanka
  • Tajikistan
  • Viet Nam

Duration: 40 days

Time span: April 19 2023 to May 28 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -5.7 °C
  • Mean temperature: 13.4 °C
  • Minimum temperature anomaly: -18.8 °C
  • Minimum temperature: -22.0 °C

Event center: 23.0°N 80.0°E

Area affected: 10132432 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_2023-Apr-19_to_2023-May-28_80.0_23.0

Cold spell occuring from April 12 2023 to April 28 2023 at 21.5°N 42.5°E

Download data: JSON

Event type: Cold spell

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

  • Iran, Islamic Republic of
  • Iraq
  • Saudi Arabia

Duration: 17 days

Time span: April 12 2023 to April 28 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -4.9 °C
  • Mean temperature: 21.7 °C
  • Minimum temperature anomaly: -8.5 °C
  • Minimum temperature: 9.8 °C

Event center: 21.5°N 42.5°E

Area affected: 946546 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_2023-Apr-12_to_2023-Apr-28_42.5_21.5

Cold spell occuring from March 31 2023 to April 07 2023 at 34.0°N 46.0°E

Download data: JSON

Event type: Cold spell

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

  • Iran, Islamic Republic of
  • Iraq
  • Kuwait
  • Oman
  • Saudi Arabia
  • Türkiye
  • United Arab Emirates
  • Yemen

Duration: 8 days

Time span: March 31 2023 to April 07 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -5.3 °C
  • Mean temperature: 19.0 °C
  • Minimum temperature anomaly: -9.2 °C
  • Minimum temperature: -6.9 °C

Event center: 34.0°N 46.0°E

Area affected: 1372025 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_2023-Mar-31_to_2023-Apr-07_46.0_34.0