(ongoing) Cold spell occuring from August 21 2026 to August 23 2026 at -42.0°S 307.0°E

Download data: JSON

Event type: Cold spell

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

  • Brazil

Duration: 3 days

Time span: August 21 2026 to August 23 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -3.6 °C
  • Mean temperature: 5.5 °C
  • Minimum temperature anomaly: -5.6 °C
  • Minimum temperature: -1.1 °C

Event center: -42.0°S 307.0°E

Area affected: 765776 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_2026-Aug-21_to_2026-Aug-23_307.0_-42.0

(ongoing) Heat wave occuring from August 20 2026 to August 23 2026 at -13.0°S 314.0°E

Download data: JSON

Event type: Heat wave

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

  • Brazil

Duration: 4 days

Time span: August 20 2026 to August 23 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 2.9 °C
  • Mean temperature: 25.9 °C
  • Maximum temperature anomaly: 4.5 °C
  • Maximum temperature: 29.5 °C

Event center: -13.0°S 314.0°E

Area affected: 74941 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_2026-Aug-20_to_2026-Aug-23_314.0_-13.0

(ongoing) Heat wave occuring from October 16 2022 to August 23 2026 at -3.5°S 25.0°E

Download data: JSON

Event type: Heat wave

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

  • Afghanistan
  • Albania
  • Algeria
  • Andorra
  • Angola
  • Antarctica
  • Argentina
  • Armenia
  • Aruba
  • Australia
  • Austria
  • Azerbaijan
  • Azores
  • Bahamas
  • Bahrain
  • Bangladesh
  • Belarus
  • Belgium
  • Belize
  • Benin
  • Bhutan
  • Bolivia
  • Bosnia and Herzegovina
  • Botswana
  • Brazil
  • Brunei Darussalam
  • Bulgaria
  • Burkina Faso
  • Burundi
  • Cabo Verde
  • Cambodia
  • Cameroon
  • Canada
  • Canarias
  • Central African Republic
  • Chad
  • Chile
  • China
  • Colombia
  • Congo
  • Congo DRC
  • Costa Rica
  • Croatia
  • Cuba
  • Cyprus
  • Czech Republic
  • Côte d’Ivoire
  • Denmark
  • Djibouti
  • Dominican Republic
  • Ecuador
  • Egypt
  • El Salvador
  • Equatorial Guinea
  • Eritrea
  • Estonia
  • Eswatini
  • Ethiopia
  • Falkland Islands
  • Faroe Islands
  • Fiji
  • Finland
  • France
  • French Guiana
  • French Southern Territories
  • Gabon
  • Gambia
  • Georgia
  • Germany
  • Ghana
  • Greece
  • Greenland
  • Guatemala
  • Guinea
  • Guinea-Bissau
  • Guyana
  • Haiti
  • Honduras
  • Hungary
  • Iceland
  • India
  • Indonesia
  • Iran
  • Iraq
  • Ireland
  • Israel
  • Italy
  • Jamaica
  • Japan
  • Jordan
  • Kazakhstan
  • Kenya
  • Kuwait
  • Kyrgyzstan
  • Laos
  • Latvia
  • Lebanon
  • Lesotho
  • Liberia
  • Libya
  • Lithuania
  • Luxembourg
  • Madagascar
  • Madeira
  • Malawi
  • Malaysia
  • Mali
  • Martinique
  • Mauritania
  • Mauritius
  • Mexico
  • Moldova
  • Mongolia
  • Montenegro
  • Morocco
  • Mozambique
  • Myanmar
  • Namibia
  • Nepal
  • Netherlands
  • New Caledonia
  • New Zealand
  • Nicaragua
  • Niger
  • Nigeria
  • North Korea
  • North Macedonia
  • Norway
  • Oman
  • Pakistan
  • Palau
  • Palestinian Territory
  • Panama
  • Papua New Guinea
  • Paraguay
  • Peru
  • Philippines
  • Poland
  • Portugal
  • Puerto Rico
  • Qatar
  • Romania
  • Russian Federation
  • Rwanda
  • Réunion
  • Saint Eustatius
  • Saint Lucia
  • Samoa
  • Saudi Arabia
  • Senegal
  • Serbia
  • Sierra Leone
  • Slovakia
  • Slovenia
  • Solomon Islands
  • Somalia
  • South Africa
  • South Georgia and the South Sandwich Islands
  • South Korea
  • South Sudan
  • Spain
  • Sri Lanka
  • Sudan
  • Suriname
  • Sweden
  • Switzerland
  • Syria
  • Tajikistan
  • Tanzania
  • Thailand
  • Timor-Leste
  • Togo
  • Tunisia
  • Turkiye
  • Turkmenistan
  • Turks and Caicos Islands
  • Uganda
  • Ukraine
  • United Arab Emirates
  • United Kingdom
  • United States
  • Uruguay
  • Uzbekistan
  • Vanuatu
  • Venezuela
  • Vietnam
  • Yemen
  • Zambia
  • Zimbabwe

Duration: 1408 days

Time span: October 16 2022 to August 23 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 3.3 °C
  • Mean temperature: 18.5 °C
  • Maximum temperature anomaly: 33.2 °C
  • Maximum temperature: 46.7 °C

Event center: -3.5°S 25.0°E

Area affected: 509952516 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_2022-Oct-16_to_2026-Aug-23_25.0_-3.5

Heat wave occuring from August 13 2026 to August 18 2026 at -12.5°S 298.0°E

Download data: JSON

Event type: Heat wave

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

  • Bolivia
  • Brazil

Duration: 6 days

Time span: August 13 2026 to August 18 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 2.8 °C
  • Mean temperature: 28.4 °C
  • Maximum temperature anomaly: 4.4 °C
  • Maximum temperature: 29.7 °C

Event center: -12.5°S 298.0°E

Area affected: 244106 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_2026-Aug-13_to_2026-Aug-18_298.0_-12.5

Heat wave occuring from August 13 2026 to August 17 2026 at -15.0°S 314.5°E

Download data: JSON

Event type: Heat wave

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

  • Brazil

Duration: 5 days

Time span: August 13 2026 to August 17 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 2.6 °C
  • Mean temperature: 23.9 °C
  • Maximum temperature anomaly: 4.0 °C
  • Maximum temperature: 28.1 °C

Event center: -15.0°S 314.5°E

Area affected: 190898 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_2026-Aug-13_to_2026-Aug-17_314.5_-15.0

Heat wave occuring from July 31 2026 to August 07 2026 at -29.5°S 310.5°E

Download data: JSON

Event type: Heat wave

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

  • Brazil

Duration: 8 days

Time span: July 31 2026 to August 07 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 4.2 °C
  • Mean temperature: 18.4 °C
  • Maximum temperature anomaly: 6.6 °C
  • Maximum temperature: 20.6 °C

Event center: -29.5°S 310.5°E

Area affected: 51029 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_2026-Jul-31_to_2026-Aug-07_310.5_-29.5

Heat wave occuring from July 25 2026 to August 03 2026 at -4.0°S 322.5°E

Download data: JSON

Event type: Heat wave

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

  • Brazil

Duration: 10 days

Time span: July 25 2026 to August 03 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 0.6 °C
  • Mean temperature: 26.6 °C
  • Maximum temperature anomaly: 1.2 °C
  • Maximum temperature: 28.0 °C

Event center: -4.0°S 322.5°E

Area affected: 89483 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_2026-Jul-25_to_2026-Aug-03_322.5_-4.0

Cold spell occuring from July 14 2026 to July 20 2026 at -6.5°S 313.0°E

Download data: JSON

Event type: Cold spell

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

  • Brazil

Duration: 7 days

Time span: July 14 2026 to July 20 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -1.6 °C
  • Mean temperature: 25.6 °C
  • Minimum temperature anomaly: -3.4 °C
  • Minimum temperature: 23.8 °C

Event center: -6.5°S 313.0°E

Area affected: 67574 km$^2$



Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Cold_spell_2026-Jul-14_to_2026-Jul-20_313.0_-6.5

Cold spell occuring from July 14 2026 to July 21 2026 at -19.5°S 314.0°E

Download data: JSON

Event type: Cold spell

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

  • Brazil

Duration: 8 days

Time span: July 14 2026 to July 21 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -2.4 °C
  • Mean temperature: 18.4 °C
  • Minimum temperature anomaly: -4.4 °C
  • Minimum temperature: 10.9 °C

Event center: -19.5°S 314.0°E

Area affected: 778537 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_2026-Jul-14_to_2026-Jul-21_314.0_-19.5

Heat wave occuring from July 09 2026 to July 14 2026 at -3.5°S 314.5°E

Download data: JSON

Event type: Heat wave

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

  • Brazil

Duration: 6 days

Time span: July 09 2026 to July 14 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 1.0 °C
  • Mean temperature: 27.3 °C
  • Maximum temperature anomaly: 1.4 °C
  • Maximum temperature: 28.4 °C

Event center: -3.5°S 314.5°E

Area affected: 71013 km$^2$



Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Heat_wave_2026-Jul-09_to_2026-Jul-14_314.5_-3.5