Author: WEXA

Cold spell occuring from May 14 2026 to May 20 2026 at 62.5°N 138.5°E

Download data: JSON

Event type: Cold spell

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

  • Russian Federation

Duration: 7 days

Time span: May 14 2026 to May 20 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -5.8 °C
  • Mean temperature: -5.7 °C
  • Minimum temperature anomaly: -11.1 °C
  • Minimum temperature: -14.0 °C

Event center: 62.5°N 138.5°E

Area affected: 421653 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-May-14_to_2026-May-20_138.5_62.5

Heat wave occuring from May 14 2026 to May 27 2026 at 38.5°N 70.5°E

Download data: JSON

Event type: Heat wave

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

  • Afghanistan
  • China
  • India
  • Kyrgyzstan
  • Pakistan
  • Tajikistan
  • Uzbekistan

Duration: 14 days

Time span: May 14 2026 to May 27 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 4.4 °C
  • Mean temperature: 14.6 °C
  • Maximum temperature anomaly: 11.1 °C
  • Maximum temperature: 39.5 °C

Event center: 38.5°N 70.5°E

Area affected: 935139 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-May-14_to_2026-May-27_70.5_38.5

Heat wave occuring from May 14 2026 to May 21 2026 at 46.0°N 60.0°E

Download data: JSON

Event type: Heat wave

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

  • Kazakhstan
  • Uzbekistan

Duration: 8 days

Time span: May 14 2026 to May 21 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 6.6 °C
  • Mean temperature: 25.1 °C
  • Maximum temperature anomaly: 8.8 °C
  • Maximum temperature: 28.0 °C

Event center: 46.0°N 60.0°E

Area affected: 314434 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-May-14_to_2026-May-21_60.0_46.0

Cold spell occuring from May 14 2026 to May 21 2026 at -80.0°S 250.5°E

Download data: JSON

Event type: Cold spell

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

  • Antarctica

Duration: 8 days

Time span: May 14 2026 to May 21 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -9.8 °C
  • Mean temperature: -38.7 °C
  • Minimum temperature anomaly: -15.1 °C
  • Minimum temperature: -46.2 °C

Event center: -80.0°S 250.5°E

Area affected: 291285 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-May-14_to_2026-May-21_250.5_-80.0

Cold spell occuring from May 13 2026 to May 29 2026 at -6.5°S 323.5°E

Download data: JSON

Event type: Cold spell

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

  • Brazil

Duration: 17 days

Time span: May 13 2026 to May 29 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -1.5 °C
  • Mean temperature: 23.9 °C
  • Minimum temperature anomaly: -2.4 °C
  • Minimum temperature: 21.8 °C

Event center: -6.5°S 323.5°E

Area affected: 70585 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-May-13_to_2026-May-29_323.5_-6.5

Heat wave occuring from May 13 2026 to May 23 2026 at -10.0°S 306.0°E

Download data: JSON

Event type: Heat wave

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

  • Brazil

Duration: 11 days

Time span: May 13 2026 to May 23 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 1.6 °C
  • Mean temperature: 26.8 °C
  • Maximum temperature anomaly: 2.3 °C
  • Maximum temperature: 29.0 °C

Event center: -10.0°S 306.0°E

Area affected: 215342 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-May-13_to_2026-May-23_306.0_-10.0

Heat wave occuring from May 13 2026 to May 28 2026 at 20.0°N 41.5°E

Download data: JSON

Event type: Heat wave

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

  • Saudi Arabia
  • Yemen

Duration: 16 days

Time span: May 13 2026 to May 28 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 2.7 °C
  • Mean temperature: 32.6 °C
  • Maximum temperature anomaly: 5.3 °C
  • Maximum temperature: 37.8 °C

Event center: 20.0°N 41.5°E

Area affected: 608832 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-May-13_to_2026-May-28_41.5_20.0

Cold spell occuring from May 12 2026 to May 23 2026 at -36.5°S 286.5°E

Download data: JSON

Event type: Cold spell

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

  • Chile

Duration: 12 days

Time span: May 12 2026 to May 23 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -2.1 °C
  • Mean temperature: 9.5 °C
  • Minimum temperature anomaly: -3.3 °C
  • Minimum temperature: 6.3 °C

Event center: -36.5°S 286.5°E

Area affected: 411579 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-May-12_to_2026-May-23_286.5_-36.5

Heat wave occuring from May 12 2026 to May 22 2026 at 65.5°N 194.0°E

Download data: JSON

Event type: Heat wave

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

  • United States

Duration: 11 days

Time span: May 12 2026 to May 22 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 6.4 °C
  • Mean temperature: 8.8 °C
  • Maximum temperature anomaly: 9.9 °C
  • Maximum temperature: 13.6 °C

Event center: 65.5°N 194.0°E

Area affected: 76139 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-May-12_to_2026-May-22_194.0_65.5

Cold spell occuring from May 10 2026 to May 21 2026 at 51.0°N 90.0°E

Download data: JSON

Event type: Cold spell

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

  • China
  • Mongolia
  • Russian Federation

Duration: 12 days

Time span: May 10 2026 to May 21 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -8.1 °C
  • Mean temperature: 0.9 °C
  • Minimum temperature anomaly: -12.2 °C
  • Minimum temperature: -10.3 °C

Event center: 51.0°N 90.0°E

Area affected: 1140373 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-May-10_to_2026-May-21_90.0_51.0