Category: Weather Extremes – all events

Heat wave occuring from February 22 2020 to March 25 2020 at 44.5°N 47.5°E

Download data: JSON

Event type: Heat wave

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

  • Afghanistan
  • Albania
  • Armenia
  • Azerbaijan
  • Belarus
  • Bosnia and Herzegovina
  • Bulgaria
  • China
  • Croatia
  • Denmark
  • Estonia
  • Finland
  • Georgia
  • Greece
  • Iran, Islamic Republic of
  • Iraq
  • Italy
  • Jordan
  • Kazakhstan
  • Kyrgyzstan
  • Latvia
  • Lithuania
  • Moldova, Republic of
  • Mongolia
  • Montenegro
  • North Macedonia
  • Poland
  • Romania
  • Russian Federation
  • Sweden
  • Syrian Arab Republic
  • Tajikistan
  • Turkmenistan
  • Türkiye
  • Ukraine
  • Uzbekistan

Duration: 33 days

Time span: February 22 2020 to March 25 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 8.1 °C
  • Mean temperature: 5.0 °C
  • Maximum temperature anomaly: 16.0 °C
  • Maximum temperature: 23.4 °C

Event center: 44.5°N 47.5°E

Area affected: 17000898 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_2020-Feb-22_to_2020-Mar-25_47.5_44.5

Cold spell occuring from February 21 2020 to February 23 2020 at -65.0°S 135.0°E

Download data: JSON

Event type: Cold spell

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

  • Antarctica

Duration: 3 days

Time span: February 21 2020 to February 23 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -3.0 °C
  • Mean temperature: -5.5 °C
  • Minimum temperature anomaly: -4.5 °C
  • Minimum temperature: -9.6 °C

Event center: -65.0°S 135.0°E

Area affected: 51468 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_2020-Feb-21_to_2020-Feb-23_135.0_-65.0

Heat wave occuring from February 21 2020 to February 29 2020 at -21.5°S 126.5°E

Download data: JSON

Event type: Heat wave

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

  • Australia

Duration: 9 days

Time span: February 21 2020 to February 29 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 5.8 °C
  • Mean temperature: 35.6 °C
  • Maximum temperature anomaly: 7.5 °C
  • Maximum temperature: 37.6 °C

Event center: -21.5°S 126.5°E

Area affected: 421698 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_2020-Feb-21_to_2020-Feb-29_126.5_-21.5

Heat wave occuring from February 21 2020 to February 28 2020 at 36.5°N 68.5°E

Download data: JSON

Event type: Heat wave

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

  • Afghanistan
  • Iran, Islamic Republic of
  • Tajikistan
  • Turkmenistan
  • Uzbekistan

Duration: 8 days

Time span: February 21 2020 to February 28 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 6.9 °C
  • Mean temperature: 13.9 °C
  • Maximum temperature anomaly: 12.0 °C
  • Maximum temperature: 23.5 °C

Event center: 36.5°N 68.5°E

Area affected: 424159 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_2020-Feb-21_to_2020-Feb-28_68.5_36.5

Heat wave occuring from February 21 2020 to March 01 2020 at 33.0°N 70.5°E

Download data: JSON

Event type: Heat wave

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

  • Afghanistan
  • Pakistan
  • Tajikistan

Duration: 10 days

Time span: February 21 2020 to March 01 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 4.9 °C
  • Mean temperature: 14.6 °C
  • Maximum temperature anomaly: 10.0 °C
  • Maximum temperature: 25.0 °C

Event center: 33.0°N 70.5°E

Area affected: 221089 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_2020-Feb-21_to_2020-Mar-01_70.5_33.0

Cold spell occuring from February 20 2020 to February 22 2020 at 25.0°N 261.0°E

Download data: JSON

Event type: Cold spell

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

  • Mexico
  • United States

Duration: 3 days

Time span: February 20 2020 to February 22 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -7.6 °C
  • Mean temperature: 10.7 °C
  • Minimum temperature anomaly: -11.5 °C
  • Minimum temperature: 5.8 °C

Event center: 25.0°N 261.0°E

Area affected: 87732 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_2020-Feb-20_to_2020-Feb-22_261.0_25.0

Cold spell occuring from February 20 2020 to February 26 2020 at -36.5°S 305.5°E

Download data: JSON

Event type: Cold spell

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

  • Argentina
  • Brazil
  • Paraguay
  • Uruguay

Duration: 7 days

Time span: February 20 2020 to February 26 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -3.5 °C
  • Mean temperature: 19.5 °C
  • Minimum temperature anomaly: -8.4 °C
  • Minimum temperature: 12.0 °C

Event center: -36.5°S 305.5°E

Area affected: 3099430 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_2020-Feb-20_to_2020-Feb-26_305.5_-36.5

Cold spell occuring from February 20 2020 to March 21 2020 at 79.5°N 3.5°E

Download data: JSON

Event type: Cold spell

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

  • Canada
  • Greenland
  • Russian Federation
  • Svalbard and Jan Mayen

Duration: 31 days

Time span: February 20 2020 to March 21 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -9.3 °C
  • Mean temperature: -33.1 °C
  • Minimum temperature anomaly: -22.0 °C
  • Minimum temperature: -57.2 °C

Event center: 79.5°N 3.5°E

Area affected: 5654855 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_2020-Feb-20_to_2020-Mar-21_3.5_79.5

Heat wave occuring from February 20 2020 to February 22 2020 at -9.0°S 21.5°E

Download data: JSON

Event type: Heat wave

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

  • Angola
  • Congo, The Democratic Republic of the
  • Zambia

Duration: 3 days

Time span: February 20 2020 to February 22 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 2.3 °C
  • Mean temperature: 24.3 °C
  • Maximum temperature anomaly: 3.6 °C
  • Maximum temperature: 27.5 °C

Event center: -9.0°S 21.5°E

Area affected: 240051 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_2020-Feb-20_to_2020-Feb-22_21.5_-9.0

Heat wave occuring from February 20 2020 to February 24 2020 at 51.0°N 90.5°E

Download data: JSON

Event type: Heat wave

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

  • Mongolia
  • Russian Federation

Duration: 5 days

Time span: February 20 2020 to February 24 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 7.8 °C
  • Mean temperature: -5.8 °C
  • Maximum temperature anomaly: 10.8 °C
  • Maximum temperature: -0.5 °C

Event center: 51.0°N 90.5°E

Area affected: 155454 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_2020-Feb-20_to_2020-Feb-24_90.5_51.0