Category: Weather Extremes – all events

Heat wave occuring from September 24 2018 to September 28 2018 at -17.5°S 181.0°E

Download data: JSON

Event type: Heat wave

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

  • Fiji

Duration: 5 days

Time span: September 24 2018 to September 28 2018

Statistics over entire affected area:

  • Mean temperature anomaly: 1.4 °C
  • Mean temperature: 25.8 °C
  • Maximum temperature anomaly: 2.5 °C
  • Maximum temperature: 26.7 °C

Event center: -17.5°S 181.0°E

Area affected: 58989 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_2018-Sep-24_to_2018-Sep-28_181.0_-17.5

Cold spell occuring from September 24 2018 to September 30 2018 at 76.0°N 10.0°E

Download data: JSON

Event type: Cold spell

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

  • Norway

Duration: 7 days

Time span: September 24 2018 to September 30 2018

Statistics over entire affected area:

  • Mean temperature anomaly: -3.4 °C
  • Mean temperature: 0.9 °C
  • Minimum temperature anomaly: -4.4 °C
  • Minimum temperature: -2.9 °C

Event center: 76.0°N 10.0°E

Area affected: 428947 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_2018-Sep-24_to_2018-Sep-30_10.0_76.0

Cold spell occuring from September 24 2018 to September 30 2018 at 38.5°N 22.0°E

Download data: JSON

Event type: Cold spell

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

  • Albania
  • Bosnia and Herzegovina
  • Bulgaria
  • Croatia
  • Greece
  • Hungary
  • Moldova
  • Montenegro
  • North Macedonia
  • Romania
  • Serbia
  • Slovenia
  • Turkiye
  • Ukraine

Duration: 7 days

Time span: September 24 2018 to September 30 2018

Statistics over entire affected area:

  • Mean temperature anomaly: -5.5 °C
  • Mean temperature: 10.2 °C
  • Minimum temperature anomaly: -8.9 °C
  • Minimum temperature: 1.2 °C

Event center: 38.5°N 22.0°E

Area affected: 794695 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_2018-Sep-24_to_2018-Sep-30_22.0_38.5

Cold spell occuring from September 24 2018 to September 27 2018 at 30.5°N 110.5°E

Download data: JSON

Event type: Cold spell

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

  • China

Duration: 4 days

Time span: September 24 2018 to September 27 2018

Statistics over entire affected area:

  • Mean temperature anomaly: -3.8 °C
  • Mean temperature: 13.8 °C
  • Minimum temperature anomaly: -5.6 °C
  • Minimum temperature: 9.6 °C

Event center: 30.5°N 110.5°E

Area affected: 125617 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_2018-Sep-24_to_2018-Sep-27_110.5_30.5

Cold spell occuring from September 24 2018 to September 27 2018 at -31.0°S 158.5°E

Download data: JSON

Event type: Cold spell

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

  • Australia

Duration: 4 days

Time span: September 24 2018 to September 27 2018

Statistics over entire affected area:

  • Mean temperature anomaly: -2.3 °C
  • Mean temperature: 15.9 °C
  • Minimum temperature anomaly: -5.1 °C
  • Minimum temperature: 10.7 °C

Event center: -31.0°S 158.5°E

Area affected: 448735 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_2018-Sep-24_to_2018-Sep-27_158.5_-31.0

Heat wave occuring from September 23 2018 to October 02 2018 at 12.5°N 121.5°E

Download data: JSON

Event type: Heat wave

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

  • Philippines

Duration: 10 days

Time span: September 23 2018 to October 02 2018

Statistics over entire affected area:

  • Mean temperature anomaly: 1.2 °C
  • Mean temperature: 28.5 °C
  • Maximum temperature anomaly: 1.8 °C
  • Maximum temperature: 29.2 °C

Event center: 12.5°N 121.5°E

Area affected: 89768 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_2018-Sep-23_to_2018-Oct-02_121.5_12.5

Heat wave occuring from September 23 2018 to September 27 2018 at -21.0°S 312.0°E

Download data: JSON

Event type: Heat wave

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

  • Brazil

Duration: 5 days

Time span: September 23 2018 to September 27 2018

Statistics over entire affected area:

  • Mean temperature anomaly: 4.1 °C
  • Mean temperature: 26.0 °C
  • Maximum temperature anomaly: 5.6 °C
  • Maximum temperature: 29.8 °C

Event center: -21.0°S 312.0°E

Area affected: 77734 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_2018-Sep-23_to_2018-Sep-27_312.0_-21.0

Cold spell occuring from September 23 2018 to September 25 2018 at 48.5°N 295.5°E

Download data: JSON

Event type: Cold spell

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

  • Canada
  • United States

Duration: 3 days

Time span: September 23 2018 to September 25 2018

Statistics over entire affected area:

  • Mean temperature anomaly: -6.2 °C
  • Mean temperature: 4.4 °C
  • Minimum temperature anomaly: -8.2 °C
  • Minimum temperature: 1.2 °C

Event center: 48.5°N 295.5°E

Area affected: 81057 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_2018-Sep-23_to_2018-Sep-25_295.5_48.5

Heat wave occuring from September 22 2018 to September 25 2018 at 38.5°N 91.5°E

Download data: JSON

Event type: Heat wave

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

  • China

Duration: 4 days

Time span: September 22 2018 to September 25 2018

Statistics over entire affected area:

  • Mean temperature anomaly: 3.6 °C
  • Mean temperature: 12.1 °C
  • Maximum temperature anomaly: 5.0 °C
  • Maximum temperature: 18.3 °C

Event center: 38.5°N 91.5°E

Area affected: 92370 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_2018-Sep-22_to_2018-Sep-25_91.5_38.5

Heat wave occuring from September 22 2018 to October 03 2018 at 16.5°N 39.0°E

Download data: JSON

Event type: Heat wave

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

  • Eritrea

Duration: 12 days

Time span: September 22 2018 to October 03 2018

Statistics over entire affected area:

  • Mean temperature anomaly: 0.9 °C
  • Mean temperature: 32.1 °C
  • Maximum temperature anomaly: 2.0 °C
  • Maximum temperature: 33.8 °C

Event center: 16.5°N 39.0°E

Area affected: 91798 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_2018-Sep-22_to_2018-Oct-03_39.0_16.5