Category: Extremes affecting Iran, Islamic Republic of

Cold spell occuring from September 22 2021 to October 18 2021 at 42.0°N 44.5°E

Download data: JSON

Event type: Cold spell

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

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

Duration: 27 days

Time span: September 22 2021 to October 18 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -6.7 °C
  • Mean temperature: 5.7 °C
  • Minimum temperature anomaly: -16.2 °C
  • Minimum temperature: -20.9 °C

Event center: 42.0°N 44.5°E

Area affected: 6126183 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_2021-Sep-22_to_2021-Oct-18_44.5_42.0

Heat wave occuring from August 21 2021 to August 30 2021 at 28.0°N 51.5°E

Download data: JSON

Event type: Heat wave

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

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

Duration: 10 days

Time span: August 21 2021 to August 30 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 2.3 °C
  • Mean temperature: 35.8 °C
  • Maximum temperature anomaly: 7.2 °C
  • Maximum temperature: 41.1 °C

Event center: 28.0°N 51.5°E

Area affected: 460144 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_2021-Aug-21_to_2021-Aug-30_51.5_28.0

Heat wave occuring from August 12 2021 to August 16 2021 at 28.0°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

Duration: 5 days

Time span: August 12 2021 to August 16 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 2.0 °C
  • Mean temperature: 36.0 °C
  • Maximum temperature anomaly: 2.8 °C
  • Maximum temperature: 39.2 °C

Event center: 28.0°N 59.0°E

Area affected: 57437 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_2021-Aug-12_to_2021-Aug-16_59.0_28.0

Heat wave occuring from August 06 2021 to August 10 2021 at 26.5°N 55.0°E

Download data: JSON

Event type: Heat wave

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

  • Iran, Islamic Republic of
  • United Arab Emirates

Duration: 5 days

Time span: August 06 2021 to August 10 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 1.6 °C
  • Mean temperature: 35.3 °C
  • Maximum temperature anomaly: 2.9 °C
  • Maximum temperature: 39.4 °C

Event center: 26.5°N 55.0°E

Area affected: 58208 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_2021-Aug-06_to_2021-Aug-10_55.0_26.5

Heat wave occuring from July 30 2021 to August 15 2021 at 43.0°N 50.0°E

Download data: JSON

Event type: Heat wave

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

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

Duration: 17 days

Time span: July 30 2021 to August 15 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 5.6 °C
  • Mean temperature: 29.6 °C
  • Maximum temperature anomaly: 9.8 °C
  • Maximum temperature: 40.1 °C

Event center: 43.0°N 50.0°E

Area affected: 2859165 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_2021-Jul-30_to_2021-Aug-15_50.0_43.0

Cold spell occuring from July 13 2021 to July 25 2021 at 28.0°N 56.0°E

Download data: JSON

Event type: Cold spell

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

  • Iran, Islamic Republic of
  • Pakistan

Duration: 13 days

Time span: July 13 2021 to July 25 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -3.4 °C
  • Mean temperature: 29.8 °C
  • Minimum temperature anomaly: -5.9 °C
  • Minimum temperature: 23.8 °C

Event center: 28.0°N 56.0°E

Area affected: 210619 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_2021-Jul-13_to_2021-Jul-25_56.0_28.0

Cold spell occuring from April 30 2021 to May 07 2021 at 27.0°N 60.5°E

Download data: JSON

Event type: Cold spell

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

  • Iran, Islamic Republic of
  • Pakistan

Duration: 8 days

Time span: April 30 2021 to May 07 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -4.8 °C
  • Mean temperature: 22.3 °C
  • Minimum temperature anomaly: -8.6 °C
  • Minimum temperature: 8.9 °C

Event center: 27.0°N 60.5°E

Area affected: 298570 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_2021-Apr-30_to_2021-May-07_60.5_27.0

Heat wave occuring from March 28 2021 to November 10 2022 at 1.0°N 350.0°E

Download data: JSON

Event type: Heat wave

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

  • Afghanistan
  • Albania
  • Algeria
  • Andorra
  • Angola
  • Argentina
  • Armenia
  • Australia
  • Austria
  • Azerbaijan
  • Bahrain
  • Bangladesh
  • Belarus
  • Belgium
  • Benin
  • Bhutan
  • Bolivia, Plurinational State of
  • Bonaire, Sint Eustatius and Saba
  • Bosnia and Herzegovina
  • Botswana
  • Brazil
  • Brunei Darussalam
  • Bulgaria
  • Burkina Faso
  • Burundi
  • Cabo Verde
  • Cambodia
  • Cameroon
  • Canada
  • Central African Republic
  • Chad
  • Chile
  • China
  • Christmas Island
  • Colombia
  • Congo
  • Congo, The Democratic Republic of the
  • Cook Islands
  • Croatia
  • Cyprus
  • Czechia
  • Côte d’Ivoire
  • Denmark
  • Djibouti
  • Dominican Republic
  • Ecuador
  • Egypt
  • Equatorial Guinea
  • Eritrea
  • Estonia
  • Eswatini
  • Ethiopia
  • Fiji
  • Finland
  • France
  • French Guiana
  • French Polynesia
  • French Southern Territories
  • Gabon
  • Gambia
  • Georgia
  • Germany
  • Ghana
  • Greece
  • Greenland
  • Guinea
  • Guinea-Bissau
  • Guyana
  • Haiti
  • Hong Kong
  • Hungary
  • Iceland
  • India
  • Indonesia
  • Iran, Islamic Republic of
  • Iraq
  • Ireland
  • Israel
  • Italy
  • Japan
  • Jordan
  • Kazakhstan
  • Kenya
  • Korea, Democratic People’s Republic of
  • Korea, Republic of
  • Kuwait
  • Kyrgyzstan
  • Lao People’s Democratic Republic
  • Latvia
  • Lebanon
  • Lesotho
  • Liberia
  • Libya
  • Lithuania
  • Luxembourg
  • Madagascar
  • Malawi
  • Malaysia
  • Maldives
  • Mali
  • Martinique
  • Mauritania
  • Mauritius
  • Mexico
  • Moldova, Republic of
  • Mongolia
  • Montenegro
  • Morocco
  • Mozambique
  • Myanmar
  • Namibia
  • Nepal
  • Netherlands
  • New Caledonia
  • New Zealand
  • Niger
  • Nigeria
  • Norfolk Island
  • North Macedonia
  • Northern Mariana Islands
  • Norway
  • Oman
  • Pakistan
  • Palau
  • Papua New Guinea
  • Paraguay
  • Peru
  • Philippines
  • Poland
  • Portugal
  • Puerto Rico
  • Qatar
  • Romania
  • Russian Federation
  • Rwanda
  • Saint Lucia
  • Samoa
  • Saudi Arabia
  • Senegal
  • Serbia
  • Seychelles
  • Sierra Leone
  • Sint Maarten (Dutch part)
  • Slovakia
  • Slovenia
  • Solomon Islands
  • Somalia
  • South Africa
  • South Sudan
  • Spain
  • Sri Lanka
  • Sudan
  • Suriname
  • Svalbard and Jan Mayen
  • Sweden
  • Switzerland
  • Syrian Arab Republic
  • Taiwan, Province of China
  • Tajikistan
  • Tanzania, United Republic of
  • Thailand
  • Timor-Leste
  • Togo
  • Tonga
  • Tunisia
  • Turkmenistan
  • Türkiye
  • Uganda
  • Ukraine
  • United Arab Emirates
  • United Kingdom
  • United States
  • Uzbekistan
  • Vanuatu
  • Venezuela, Bolivarian Republic of
  • Viet Nam
  • Yemen
  • Zambia
  • Zimbabwe

Duration: 593 days

Time span: March 28 2021 to November 10 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 3.2 °C
  • Mean temperature: 20.7 °C
  • Maximum temperature anomaly: 35.1 °C
  • Maximum temperature: 44.7 °C

Event center: 1.0°N 350.0°E

Area affected: 335408961 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_2021-Mar-28_to_2022-Nov-10_350.0_1.0

Cold spell occuring from March 02 2021 to March 18 2021 at 70.0°N 47.0°E

Download data: JSON

Event type: Cold spell

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

  • Afghanistan
  • Armenia
  • Azerbaijan
  • Belarus
  • China
  • Estonia
  • Finland
  • Georgia
  • Iran, Islamic Republic of
  • Kazakhstan
  • Kyrgyzstan
  • Latvia
  • Norway
  • Russian Federation
  • Sweden
  • Tajikistan
  • Turkmenistan
  • Ukraine
  • Uzbekistan

Duration: 17 days

Time span: March 02 2021 to March 18 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -11.9 °C
  • Mean temperature: -18.2 °C
  • Minimum temperature anomaly: -23.6 °C
  • Minimum temperature: -42.7 °C

Event center: 70.0°N 47.0°E

Area affected: 8983376 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_2021-Mar-02_to_2021-Mar-18_47.0_70.0

Cold spell occuring from February 25 2021 to February 28 2021 at 31.5°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

Duration: 4 days

Time span: February 25 2021 to February 28 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -7.2 °C
  • Mean temperature: 4.4 °C
  • Minimum temperature anomaly: -10.5 °C
  • Minimum temperature: -4.0 °C

Event center: 31.5°N 56.5°E

Area affected: 219270 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_2021-Feb-25_to_2021-Feb-28_56.5_31.5