Category: Extremes affecting Japan

Cold spell occuring from January 02 2023 to January 06 2023 at 45.0°N 164.0°E

Download data: JSON

Event type: Cold spell

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

  • Japan
  • Russian Federation

Duration: 5 days

Time span: January 02 2023 to January 06 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -3.2 °C
  • Mean temperature: -2.5 °C
  • Minimum temperature anomaly: -9.1 °C
  • Minimum temperature: -17.6 °C

Event center: 45.0°N 164.0°E

Area affected: 1163020 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-Jan-02_to_2023-Jan-06_164.0_45.0

Cold spell occuring from December 22 2022 to December 27 2022 at 23.0°N 120.5°E

Download data: JSON

Event type: Cold spell

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

  • China
  • Japan
  • Philippines
  • Taiwan, Province of China

Duration: 6 days

Time span: December 22 2022 to December 27 2022

Statistics over entire affected area:

  • Mean temperature anomaly: -3.2 °C
  • Mean temperature: 17.7 °C
  • Minimum temperature anomaly: -7.0 °C
  • Minimum temperature: -2.5 °C

Event center: 23.0°N 120.5°E

Area affected: 1701439 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_2022-Dec-22_to_2022-Dec-27_120.5_23.0

Heat wave occuring from November 24 2022 to November 30 2022 at 34.5°N 137.5°E

Download data: JSON

Event type: Heat wave

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

  • Japan

Duration: 7 days

Time span: November 24 2022 to November 30 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 4.8 °C
  • Mean temperature: 16.4 °C
  • Maximum temperature anomaly: 9.2 °C
  • Maximum temperature: 22.3 °C

Event center: 34.5°N 137.5°E

Area affected: 78378 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-Nov-24_to_2022-Nov-30_137.5_34.5

Cold spell occuring from October 23 2022 to October 27 2022 at 35.0°N 139.0°E

Download data: JSON

Event type: Cold spell

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

  • Japan

Duration: 5 days

Time span: October 23 2022 to October 27 2022

Statistics over entire affected area:

  • Mean temperature anomaly: -3.6 °C
  • Mean temperature: 12.2 °C
  • Minimum temperature anomaly: -7.7 °C
  • Minimum temperature: 2.8 °C

Event center: 35.0°N 139.0°E

Area affected: 177246 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_2022-Oct-23_to_2022-Oct-27_139.0_35.0

Heat wave occuring from October 02 2022 to October 05 2022 at 31.0°N 131.0°E

Download data: JSON

Event type: Heat wave

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

  • Japan

Duration: 4 days

Time span: October 02 2022 to October 05 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 2.2 °C
  • Mean temperature: 26.4 °C
  • Maximum temperature anomaly: 5.0 °C
  • Maximum temperature: 27.7 °C

Event center: 31.0°N 131.0°E

Area affected: 134790 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-02_to_2022-Oct-05_131.0_31.0

Heat wave occuring from September 29 2022 to October 05 2022 at 37.5°N 143.0°E

Download data: JSON

Event type: Heat wave

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

  • Japan

Duration: 7 days

Time span: September 29 2022 to October 05 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 2.5 °C
  • Mean temperature: 25.3 °C
  • Maximum temperature anomaly: 5.5 °C
  • Maximum temperature: 26.6 °C

Event center: 37.5°N 143.0°E

Area affected: 158234 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-Sep-29_to_2022-Oct-05_143.0_37.5

Cold spell occuring from September 25 2022 to October 18 2022 at 55.0°N 136.0°E

Download data: JSON

Event type: Cold spell

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

  • China
  • Japan
  • Kazakhstan
  • Korea, Democratic People’s Republic of
  • Korea, Republic of
  • Mongolia
  • Russian Federation
  • Viet Nam

Duration: 24 days

Time span: September 25 2022 to October 18 2022

Statistics over entire affected area:

  • Mean temperature anomaly: -6.3 °C
  • Mean temperature: 2.2 °C
  • Minimum temperature anomaly: -19.4 °C
  • Minimum temperature: -25.0 °C

Event center: 55.0°N 136.0°E

Area affected: 15424377 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_2022-Sep-25_to_2022-Oct-18_136.0_55.0

Cold spell occuring from June 04 2022 to June 09 2022 at 39.0°N 140.5°E

Download data: JSON

Event type: Cold spell

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

  • Japan

Duration: 6 days

Time span: June 04 2022 to June 09 2022

Statistics over entire affected area:

  • Mean temperature anomaly: -4.1 °C
  • Mean temperature: 13.2 °C
  • Minimum temperature anomaly: -7.2 °C
  • Minimum temperature: 8.1 °C

Event center: 39.0°N 140.5°E

Area affected: 111922 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_2022-Jun-04_to_2022-Jun-09_140.5_39.0

Cold spell occuring from May 29 2022 to June 18 2022 at 53.5°N 144.5°E

Download data: JSON

Event type: Cold spell

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

  • Japan
  • Russian Federation

Duration: 21 days

Time span: May 29 2022 to June 18 2022

Statistics over entire affected area:

  • Mean temperature anomaly: -2.8 °C
  • Mean temperature: 3.9 °C
  • Minimum temperature anomaly: -8.4 °C
  • Minimum temperature: 0.2 °C

Event center: 53.5°N 144.5°E

Area affected: 532760 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_2022-May-29_to_2022-Jun-18_144.5_53.5

Heat wave occuring from May 22 2022 to May 30 2022 at 34.0°N 136.5°E

Download data: JSON

Event type: Heat wave

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

  • Japan

Duration: 9 days

Time span: May 22 2022 to May 30 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 2.2 °C
  • Mean temperature: 22.4 °C
  • Maximum temperature anomaly: 4.1 °C
  • Maximum temperature: 24.2 °C

Event center: 34.0°N 136.5°E

Area affected: 61395 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-May-22_to_2022-May-30_136.5_34.0