Category: Weather Extremes – all events

Cold spell occuring from September 24 2019 to October 07 2019 at 45.0°N 247.0°E

Download data: JSON

Event type: Cold spell

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

  • Canada
  • Mexico
  • United States

Duration: 14 days

Time span: September 24 2019 to October 07 2019

Statistics over entire affected area:

  • Mean temperature anomaly: -8.0 °C
  • Mean temperature: 4.0 °C
  • Minimum temperature anomaly: -17.7 °C
  • Minimum temperature: -11.1 °C

Event center: 45.0°N 247.0°E

Area affected: 3497967 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-Sep-24_to_2019-Oct-07_247.0_45.0

Cold spell occuring from September 24 2019 to September 30 2019 at -10.0°S 130.0°E

Download data: JSON

Event type: Cold spell

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

  • Australia

Duration: 7 days

Time span: September 24 2019 to September 30 2019

Statistics over entire affected area:

  • Mean temperature anomaly: -0.9 °C
  • Mean temperature: 25.6 °C
  • Minimum temperature anomaly: -1.2 °C
  • Minimum temperature: 24.8 °C

Event center: -10.0°S 130.0°E

Area affected: 295570 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-Sep-24_to_2019-Sep-30_130.0_-10.0

Heat wave occuring from September 23 2019 to October 01 2019 at -6.0°S 319.5°E

Download data: JSON

Event type: Heat wave

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

  • Brazil

Duration: 9 days

Time span: September 23 2019 to October 01 2019

Statistics over entire affected area:

  • Mean temperature anomaly: 1.7 °C
  • Mean temperature: 31.0 °C
  • Maximum temperature anomaly: 3.2 °C
  • Maximum temperature: 33.8 °C

Event center: -6.0°S 319.5°E

Area affected: 82718 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-Sep-23_to_2019-Oct-01_319.5_-6.0

Heat wave occuring from September 23 2019 to September 25 2019 at 4.5°N 44.5°E

Download data: JSON

Event type: Heat wave

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

  • Somalia

Duration: 3 days

Time span: September 23 2019 to September 25 2019

Statistics over entire affected area:

  • Mean temperature anomaly: 1.4 °C
  • Mean temperature: 28.7 °C
  • Maximum temperature anomaly: 2.3 °C
  • Maximum temperature: 31.7 °C

Event center: 4.5°N 44.5°E

Area affected: 86458 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-Sep-23_to_2019-Sep-25_44.5_4.5

Heat wave occuring from September 23 2019 to September 27 2019 at -77.0°S 70.5°E

Download data: JSON

Event type: Heat wave

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

  • Antarctica

Duration: 5 days

Time span: September 23 2019 to September 27 2019

Statistics over entire affected area:

  • Mean temperature anomaly: 10.0 °C
  • Mean temperature: -34.0 °C
  • Maximum temperature anomaly: 14.8 °C
  • Maximum temperature: -6.9 °C

Event center: -77.0°S 70.5°E

Area affected: 992904 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-Sep-23_to_2019-Sep-27_70.5_-77.0

Cold spell occuring from September 23 2019 to September 27 2019 at 19.5°N 286.5°E

Download data: JSON

Event type: Cold spell

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

  • Bahamas
  • Cuba
  • Haiti

Duration: 5 days

Time span: September 23 2019 to September 27 2019

Statistics over entire affected area:

  • Mean temperature anomaly: -1.2 °C
  • Mean temperature: 26.7 °C
  • Minimum temperature anomaly: -2.0 °C
  • Minimum temperature: 24.7 °C

Event center: 19.5°N 286.5°E

Area affected: 78175 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-Sep-23_to_2019-Sep-27_286.5_19.5

Cold spell occuring from September 23 2019 to September 30 2019 at -17.5°S 28.5°E

Download data: JSON

Event type: Cold spell

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

  • Angola
  • Botswana
  • Congo DRC
  • Eswatini
  • Madagascar
  • Malawi
  • Mozambique
  • Namibia
  • South Africa
  • Tanzania
  • Zambia
  • Zimbabwe

Duration: 8 days

Time span: September 23 2019 to September 30 2019

Statistics over entire affected area:

  • Mean temperature anomaly: -4.3 °C
  • Mean temperature: 19.6 °C
  • Minimum temperature anomaly: -11.0 °C
  • Minimum temperature: 7.7 °C

Event center: -17.5°S 28.5°E

Area affected: 3923817 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-Sep-23_to_2019-Sep-30_28.5_-17.5

Heat wave occuring from September 22 2019 to September 24 2019 at 38.5°N 282.5°E

Download data: JSON

Event type: Heat wave

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

  • United States

Duration: 3 days

Time span: September 22 2019 to September 24 2019

Statistics over entire affected area:

  • Mean temperature anomaly: 5.5 °C
  • Mean temperature: 25.4 °C
  • Maximum temperature anomaly: 8.2 °C
  • Maximum temperature: 27.8 °C

Event center: 38.5°N 282.5°E

Area affected: 75866 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-Sep-22_to_2019-Sep-24_282.5_38.5

Cold spell occuring from September 22 2019 to September 26 2019 at -21.5°S 130.0°E

Download data: JSON

Event type: Cold spell

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

  • Australia

Duration: 5 days

Time span: September 22 2019 to September 26 2019

Statistics over entire affected area:

  • Mean temperature anomaly: -7.6 °C
  • Mean temperature: 17.8 °C
  • Minimum temperature anomaly: -12.6 °C
  • Minimum temperature: 9.0 °C

Event center: -21.5°S 130.0°E

Area affected: 235610 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-Sep-22_to_2019-Sep-26_130.0_-21.5

Cold spell occuring from September 22 2019 to September 26 2019 at -76.0°S 26.0°E

Download data: JSON

Event type: Cold spell

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

  • Antarctica

Duration: 5 days

Time span: September 22 2019 to September 26 2019

Statistics over entire affected area:

  • Mean temperature anomaly: -6.6 °C
  • Mean temperature: -56.8 °C
  • Minimum temperature anomaly: -10.4 °C
  • Minimum temperature: -64.2 °C

Event center: -76.0°S 26.0°E

Area affected: 92493 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-Sep-22_to_2019-Sep-26_26.0_-76.0