Category: Extremes 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

Heat wave occuring from July 31 2023 to August 11 2023 at 27.5°N 59.0°E

Download data: JSON

Event type: Heat wave

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

  • Iran, Islamic Republic of
  • Pakistan

Duration: 12 days

Time span: July 31 2023 to August 11 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 2.4 °C
  • Mean temperature: 37.4 °C
  • Maximum temperature anomaly: 3.4 °C
  • Maximum temperature: 40.6 °C

Event center: 27.5°N 59.0°E

Area affected: 84830 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_2023-Jul-31_to_2023-Aug-11_59.0_27.5

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

Heat wave occuring from July 21 2023 to July 27 2023 at 37.5°N 42.5°E

Download data: JSON

Event type: Heat wave

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

  • Iran, Islamic Republic of
  • Iraq
  • Türkiye

Duration: 7 days

Time span: July 21 2023 to July 27 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 2.9 °C
  • Mean temperature: 29.2 °C
  • Maximum temperature anomaly: 4.3 °C
  • Maximum temperature: 37.9 °C

Event center: 37.5°N 42.5°E

Area affected: 70733 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_2023-Jul-21_to_2023-Jul-27_42.5_37.5

Heat wave occuring from July 12 2023 to July 17 2023 at 31.0°N 51.0°E

Download data: JSON

Event type: Heat wave

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

  • Iran, Islamic Republic of

Duration: 6 days

Time span: July 12 2023 to July 17 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 2.8 °C
  • Mean temperature: 28.3 °C
  • Maximum temperature anomaly: 4.3 °C
  • Maximum temperature: 33.1 °C

Event center: 31.0°N 51.0°E

Area affected: 57440 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_2023-Jul-12_to_2023-Jul-17_51.0_31.0

Heat wave occuring from July 01 2023 to August 06 2023 at 39.0°N 66.5°E

Download data: JSON

Event type: Heat wave

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

  • Afghanistan
  • Armenia
  • Azerbaijan
  • China
  • Iran, Islamic Republic of
  • Kazakhstan
  • Kyrgyzstan
  • Mongolia
  • Pakistan
  • Russian Federation
  • Tajikistan
  • Turkmenistan
  • Türkiye
  • Ukraine
  • Uzbekistan

Duration: 37 days

Time span: July 01 2023 to August 06 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 5.7 °C
  • Mean temperature: 28.3 °C
  • Maximum temperature anomaly: 13.7 °C
  • Maximum temperature: 43.5 °C

Event center: 39.0°N 66.5°E

Area affected: 11559549 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_2023-Jul-01_to_2023-Aug-06_66.5_39.0

Heat wave occuring from June 12 2023 to June 16 2023 at 27.0°N 53.0°E

Download data: JSON

Event type: Heat wave

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

  • Iran, Islamic Republic of
  • Saudi Arabia
  • United Arab Emirates

Duration: 5 days

Time span: June 12 2023 to June 16 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 2.3 °C
  • Mean temperature: 34.2 °C
  • Maximum temperature anomaly: 4.1 °C
  • Maximum temperature: 38.3 °C

Event center: 27.0°N 53.0°E

Area affected: 99661 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_2023-Jun-12_to_2023-Jun-16_53.0_27.0

Heat wave occuring from May 19 2023 to June 01 2023 at 40.5°N 49.0°E

Download data: JSON

Event type: Heat wave

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

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

Duration: 14 days

Time span: May 19 2023 to June 01 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 5.1 °C
  • Mean temperature: 27.1 °C
  • Maximum temperature anomaly: 11.0 °C
  • Maximum temperature: 36.1 °C

Event center: 40.5°N 49.0°E

Area affected: 955141 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_2023-May-19_to_2023-Jun-01_49.0_40.5