Category: Weather Extremes – all events

Cold spell occuring from July 11 2026 to July 16 2026 at 18.5°N 39.5°E

Download data: JSON

Event type: Cold spell

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

  • Eritrea
  • Sudan

Duration: 6 days

Time span: July 11 2026 to July 16 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -1.3 °C
  • Mean temperature: 30.9 °C
  • Minimum temperature anomaly: -2.7 °C
  • Minimum temperature: 30.1 °C

Event center: 18.5°N 39.5°E

Area affected: 91316 km$^2$



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

Event ID: Cold_spell_2026-Jul-11_to_2026-Jul-16_39.5_18.5

Cold spell occuring from July 11 2026 to July 28 2026 at -73.5°S 300.0°E

Download data: JSON

Event type: Cold spell

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

  • Antarctica

Duration: 18 days

Time span: July 11 2026 to July 28 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -9.0 °C
  • Mean temperature: -31.9 °C
  • Minimum temperature anomaly: -15.8 °C
  • Minimum temperature: -50.4 °C

Event center: -73.5°S 300.0°E

Area affected: 1336853 km$^2$



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

Event ID: Cold_spell_2026-Jul-11_to_2026-Jul-28_300.0_-73.5

Cold spell occuring from July 11 2026 to July 25 2026 at 53.0°N 190.0°E

Download data: JSON

Event type: Cold spell

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

  • United States

Duration: 15 days

Time span: July 11 2026 to July 25 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -3.4 °C
  • Mean temperature: 8.4 °C
  • Minimum temperature anomaly: -7.3 °C
  • Minimum temperature: -0.5 °C

Event center: 53.0°N 190.0°E

Area affected: 878637 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-11_to_2026-Jul-25_190.0_53.0

Cold spell occuring from July 10 2026 to July 16 2026 at -69.5°S 56.0°E

Download data: JSON

Event type: Cold spell

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

  • Antarctica

Duration: 7 days

Time span: July 10 2026 to July 16 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -9.4 °C
  • Mean temperature: -48.8 °C
  • Minimum temperature anomaly: -13.3 °C
  • Minimum temperature: -57.8 °C

Event center: -69.5°S 56.0°E

Area affected: 218023 km$^2$



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

Event ID: Cold_spell_2026-Jul-10_to_2026-Jul-16_56.0_-69.5

Heat wave occuring from July 10 2026 to July 16 2026 at -15.5°S 42.0°E

Download data: JSON

Event type: Heat wave

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

  • Mozambique

Duration: 7 days

Time span: July 10 2026 to July 16 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 0.8 °C
  • Mean temperature: 25.2 °C
  • Maximum temperature anomaly: 1.3 °C
  • Maximum temperature: 25.7 °C

Event center: -15.5°S 42.0°E

Area affected: 206439 km$^2$



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

Event ID: Heat_wave_2026-Jul-10_to_2026-Jul-16_42.0_-15.5

Heat wave occuring from July 09 2026 to July 12 2026 at 60.0°N 41.5°E

Download data: JSON

Event type: Heat wave

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

  • Russian Federation

Duration: 4 days

Time span: July 09 2026 to July 12 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 5.8 °C
  • Mean temperature: 23.5 °C
  • Maximum temperature anomaly: 7.3 °C
  • Maximum temperature: 25.4 °C

Event center: 60.0°N 41.5°E

Area affected: 101477 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-12_41.5_60.0

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

Cold spell occuring from July 09 2026 to July 12 2026 at 48.5°N 22.5°E

Download data: JSON

Event type: Cold spell

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

  • Moldova
  • Romania
  • Ukraine

Duration: 4 days

Time span: July 09 2026 to July 12 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -4.8 °C
  • Mean temperature: 14.4 °C
  • Minimum temperature anomaly: -5.9 °C
  • Minimum temperature: 8.7 °C

Event center: 48.5°N 22.5°E

Area affected: 117403 km$^2$



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

Event ID: Cold_spell_2026-Jul-09_to_2026-Jul-12_22.5_48.5

Cold spell occuring from July 08 2026 to July 11 2026 at 58.0°N 234.0°E

Download data: JSON

Event type: Cold spell

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

  • Canada

Duration: 4 days

Time span: July 08 2026 to July 11 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -3.8 °C
  • Mean temperature: 8.4 °C
  • Minimum temperature anomaly: -6.6 °C
  • Minimum temperature: 1.5 °C

Event center: 58.0°N 234.0°E

Area affected: 58853 km$^2$



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

Event ID: Cold_spell_2026-Jul-08_to_2026-Jul-11_234.0_58.0

Cold spell occuring from July 08 2026 to July 12 2026 at -14.5°S 23.5°E

Download data: JSON

Event type: Cold spell

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

  • Angola
  • Botswana
  • Namibia
  • Zambia

Duration: 5 days

Time span: July 08 2026 to July 12 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -2.3 °C
  • Mean temperature: 15.7 °C
  • Minimum temperature anomaly: -3.2 °C
  • Minimum temperature: 14.1 °C

Event center: -14.5°S 23.5°E

Area affected: 118882 km$^2$



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

Event ID: Cold_spell_2026-Jul-08_to_2026-Jul-12_23.5_-14.5