Category: Extremes affecting Iran, Islamic Republic of

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

Heat wave occuring from April 22 2023 to May 06 2023 at 46.5°N 53.5°E

Download data: JSON

Event type: Heat wave

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

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

Duration: 15 days

Time span: April 22 2023 to May 06 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 7.8 °C
  • Mean temperature: 20.7 °C
  • Maximum temperature anomaly: 13.6 °C
  • Maximum temperature: 31.8 °C

Event center: 46.5°N 53.5°E

Area affected: 3617915 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-Apr-22_to_2023-May-06_53.5_46.5

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

Heat wave occuring from April 06 2023 to April 09 2023 at 38.5°N 65.5°E

Download data: JSON

Event type: Heat wave

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

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

Duration: 4 days

Time span: April 06 2023 to April 09 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 7.8 °C
  • Mean temperature: 23.5 °C
  • Maximum temperature anomaly: 11.3 °C
  • Maximum temperature: 27.8 °C

Event center: 38.5°N 65.5°E

Area affected: 251987 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-Apr-06_to_2023-Apr-09_65.5_38.5

Heat wave occuring from April 05 2023 to April 18 2023 at 36.5°N 51.0°E

Download data: JSON

Event type: Heat wave

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

  • Afghanistan
  • Azerbaijan
  • Iran, Islamic Republic of
  • Pakistan
  • Tajikistan
  • Turkmenistan
  • Uzbekistan

Duration: 14 days

Time span: April 05 2023 to April 18 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 6.4 °C
  • Mean temperature: 19.9 °C
  • Maximum temperature anomaly: 15.9 °C
  • Maximum temperature: 35.2 °C

Event center: 36.5°N 51.0°E

Area affected: 1235659 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-Apr-05_to_2023-Apr-18_51.0_36.5

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

Cold spell occuring from February 05 2023 to February 18 2023 at 38.5°N 32.5°E

Download data: JSON

Event type: Cold spell

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

  • Albania
  • Armenia
  • Azerbaijan
  • Bosnia and Herzegovina
  • Bulgaria
  • Croatia
  • Cyprus
  • Egypt
  • France
  • Georgia
  • Greece
  • Iran, Islamic Republic of
  • Iraq
  • Italy
  • Libya
  • Montenegro
  • North Macedonia
  • Serbia
  • Türkiye

Duration: 14 days

Time span: February 05 2023 to February 18 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -5.4 °C
  • Mean temperature: 1.9 °C
  • Minimum temperature anomaly: -15.0 °C
  • Minimum temperature: -18.4 °C

Event center: 38.5°N 32.5°E

Area affected: 2013791 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-Feb-05_to_2023-Feb-18_32.5_38.5