Category: Weather Extremes – all events

Heat wave occuring from July 18 2019 to July 24 2019 at 64.0°N 226.5°E

Download data: JSON

Event type: Heat wave

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

  • Canada
  • United States

Duration: 7 days

Time span: July 18 2019 to July 24 2019

Statistics over entire affected area:

  • Mean temperature anomaly: 3.7 °C
  • Mean temperature: 17.7 °C
  • Maximum temperature anomaly: 5.4 °C
  • Maximum temperature: 20.4 °C

Event center: 64.0°N 226.5°E

Area affected: 98475 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_2019-Jul-18_to_2019-Jul-24_226.5_64.0

Heat wave occuring from July 18 2019 to August 09 2019 at 39.5°N 121.0°E

Download data: JSON

Event type: Heat wave

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

  • China
  • North Korea
  • Russian Federation
  • South Korea

Duration: 23 days

Time span: July 18 2019 to August 09 2019

Statistics over entire affected area:

  • Mean temperature anomaly: 3.4 °C
  • Mean temperature: 27.0 °C
  • Maximum temperature anomaly: 6.5 °C
  • Maximum temperature: 34.8 °C

Event center: 39.5°N 121.0°E

Area affected: 1092716 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_2019-Jul-18_to_2019-Aug-09_121.0_39.5

Heat wave occuring from July 18 2019 to July 22 2019 at 2.5°N 46.0°E

Download data: JSON

Event type: Heat wave

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

  • Somalia

Duration: 5 days

Time span: July 18 2019 to July 22 2019

Statistics over entire affected area:

  • Mean temperature anomaly: 1.0 °C
  • Mean temperature: 26.7 °C
  • Maximum temperature anomaly: 1.8 °C
  • Maximum temperature: 29.6 °C

Event center: 2.5°N 46.0°E

Area affected: 114234 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_2019-Jul-18_to_2019-Jul-22_46.0_2.5

Cold spell occuring from July 18 2019 to July 20 2019 at 64.5°N 133.5°E

Download data: JSON

Event type: Cold spell

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

  • Russian Federation

Duration: 3 days

Time span: July 18 2019 to July 20 2019

Statistics over entire affected area:

  • Mean temperature anomaly: -8.5 °C
  • Mean temperature: 7.0 °C
  • Minimum temperature anomaly: -12.3 °C
  • Minimum temperature: -2.3 °C

Event center: 64.5°N 133.5°E

Area affected: 369674 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_2019-Jul-18_to_2019-Jul-20_133.5_64.5

Cold spell occuring from July 18 2019 to July 21 2019 at 50.0°N 244.5°E

Download data: JSON

Event type: Cold spell

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

  • Canada
  • United States

Duration: 4 days

Time span: July 18 2019 to July 21 2019

Statistics over entire affected area:

  • Mean temperature anomaly: -5.6 °C
  • Mean temperature: 11.1 °C
  • Minimum temperature anomaly: -8.3 °C
  • Minimum temperature: 3.1 °C

Event center: 50.0°N 244.5°E

Area affected: 262537 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_2019-Jul-18_to_2019-Jul-21_244.5_50.0

Heat wave occuring from July 17 2019 to July 20 2019 at 38.5°N 261.0°E

Download data: JSON

Event type: Heat wave

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

  • United States

Duration: 4 days

Time span: July 17 2019 to July 20 2019

Statistics over entire affected area:

  • Mean temperature anomaly: 5.0 °C
  • Mean temperature: 31.1 °C
  • Maximum temperature anomaly: 7.1 °C
  • Maximum temperature: 33.7 °C

Event center: 38.5°N 261.0°E

Area affected: 127006 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_2019-Jul-17_to_2019-Jul-20_261.0_38.5

Heat wave occuring from July 17 2019 to August 15 2019 at 17.0°N 56.0°E

Download data: JSON

Event type: Heat wave

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

  • Oman
  • Yemen

Duration: 30 days

Time span: July 17 2019 to August 15 2019

Statistics over entire affected area:

  • Mean temperature anomaly: 2.7 °C
  • Mean temperature: 31.5 °C
  • Maximum temperature anomaly: 6.6 °C
  • Maximum temperature: 38.1 °C

Event center: 17.0°N 56.0°E

Area affected: 180508 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_2019-Jul-17_to_2019-Aug-15_56.0_17.0

Cold spell occuring from July 17 2019 to July 22 2019 at -74.0°S 45.0°E

Download data: JSON

Event type: Cold spell

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

  • Antarctica

Duration: 6 days

Time span: July 17 2019 to July 22 2019

Statistics over entire affected area:

  • Mean temperature anomaly: -10.2 °C
  • Mean temperature: -63.0 °C
  • Minimum temperature anomaly: -14.6 °C
  • Minimum temperature: -73.1 °C

Event center: -74.0°S 45.0°E

Area affected: 424194 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_2019-Jul-17_to_2019-Jul-22_45.0_-74.0

Cold spell occuring from July 17 2019 to July 22 2019 at -21.0°S 314.0°E

Download data: JSON

Event type: Cold spell

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

  • Brazil

Duration: 6 days

Time span: July 17 2019 to July 22 2019

Statistics over entire affected area:

  • Mean temperature anomaly: -2.7 °C
  • Mean temperature: 16.3 °C
  • Minimum temperature anomaly: -4.7 °C
  • Minimum temperature: 10.2 °C

Event center: -21.0°S 314.0°E

Area affected: 308542 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_2019-Jul-17_to_2019-Jul-22_314.0_-21.0

Heat wave occuring from July 16 2019 to July 22 2019 at 32.5°N 252.0°E

Download data: JSON

Event type: Heat wave

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

  • United States

Duration: 7 days

Time span: July 16 2019 to July 22 2019

Statistics over entire affected area:

  • Mean temperature anomaly: 4.1 °C
  • Mean temperature: 28.7 °C
  • Maximum temperature anomaly: 6.5 °C
  • Maximum temperature: 34.7 °C

Event center: 32.5°N 252.0°E

Area affected: 408892 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_2019-Jul-16_to_2019-Jul-22_252.0_32.5