Category: Extremes affecting United States

Heat wave occuring from November 07 2020 to November 11 2020 at 65.5°N 211.0°E

Download data: JSON

Event type: Heat wave

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

  • United States

Duration: 5 days

Time span: November 07 2020 to November 11 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 11.4 °C
  • Mean temperature: -4.1 °C
  • Maximum temperature anomaly: 16.2 °C
  • Maximum temperature: 1.3 °C

Event center: 65.5°N 211.0°E

Area affected: 119250 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-Nov-07_to_2020-Nov-11_211.0_65.5

Cold spell occuring from November 05 2020 to November 11 2020 at 24.0°N 186.5°E

Download data: JSON

Event type: Cold spell

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

  • United States

Duration: 7 days

Time span: November 05 2020 to November 11 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -1.6 °C
  • Mean temperature: 23.2 °C
  • Minimum temperature anomaly: -4.0 °C
  • Minimum temperature: 19.5 °C

Event center: 24.0°N 186.5°E

Area affected: 517878 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-Nov-05_to_2020-Nov-11_186.5_24.0

Heat wave occuring from November 04 2020 to November 12 2020 at 63.0°N 184.5°E

Download data: JSON

Event type: Heat wave

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

  • Russian Federation
  • United States

Duration: 9 days

Time span: November 04 2020 to November 12 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 4.0 °C
  • Mean temperature: 3.9 °C
  • Maximum temperature anomaly: 12.1 °C
  • Maximum temperature: 7.6 °C

Event center: 63.0°N 184.5°E

Area affected: 670026 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-Nov-04_to_2020-Nov-12_184.5_63.0

Heat wave occuring from October 28 2020 to November 18 2020 at 27.0°N 287.0°E

Download data: JSON

Event type: Heat wave

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

  • Bahamas
  • Canada
  • Cuba
  • Mexico
  • United States

Duration: 22 days

Time span: October 28 2020 to November 18 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 7.2 °C
  • Mean temperature: 16.6 °C
  • Maximum temperature anomaly: 17.9 °C
  • Maximum temperature: 29.8 °C

Event center: 27.0°N 287.0°E

Area affected: 12787597 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-Oct-28_to_2020-Nov-18_287.0_27.0

Cold spell occuring from October 28 2020 to November 08 2020 at 62.5°N 225.5°E

Download data: JSON

Event type: Cold spell

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

  • Canada
  • United States

Duration: 12 days

Time span: October 28 2020 to November 08 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -8.9 °C
  • Mean temperature: -14.7 °C
  • Minimum temperature anomaly: -19.1 °C
  • Minimum temperature: -34.5 °C

Event center: 62.5°N 225.5°E

Area affected: 1478744 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-Oct-28_to_2020-Nov-08_225.5_62.5

Cold spell occuring from October 25 2020 to October 27 2020 at 43.5°N 248.5°E

Download data: JSON

Event type: Cold spell

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

  • United States

Duration: 3 days

Time span: October 25 2020 to October 27 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -9.1 °C
  • Mean temperature: -4.5 °C
  • Minimum temperature anomaly: -17.2 °C
  • Minimum temperature: -18.6 °C

Event center: 43.5°N 248.5°E

Area affected: 88632 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-Oct-25_to_2020-Oct-27_248.5_43.5

Cold spell occuring from October 14 2020 to October 31 2020 at 46.0°N 252.0°E

Download data: JSON

Event type: Cold spell

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

  • Canada
  • Mexico
  • United States

Duration: 18 days

Time span: October 14 2020 to October 31 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -8.9 °C
  • Mean temperature: -5.2 °C
  • Minimum temperature anomaly: -23.5 °C
  • Minimum temperature: -31.0 °C

Event center: 46.0°N 252.0°E

Area affected: 7800396 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-Oct-14_to_2020-Oct-31_252.0_46.0

Cold spell occuring from October 13 2020 to October 19 2020 at 28.0°N 191.0°E

Download data: JSON

Event type: Cold spell

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

  • United States

Duration: 7 days

Time span: October 13 2020 to October 19 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -2.8 °C
  • Mean temperature: 19.7 °C
  • Minimum temperature anomaly: -6.0 °C
  • Minimum temperature: 12.4 °C

Event center: 28.0°N 191.0°E

Area affected: 2807262 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-Oct-13_to_2020-Oct-19_191.0_28.0

Heat wave occuring from October 10 2020 to October 12 2020 at 40.5°N 277.0°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: October 10 2020 to October 12 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 6.2 °C
  • Mean temperature: 20.1 °C
  • Maximum temperature anomaly: 7.3 °C
  • Maximum temperature: 22.2 °C

Event center: 40.5°N 277.0°E

Area affected: 97560 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-Oct-10_to_2020-Oct-12_277.0_40.5

Heat wave occuring from October 08 2020 to October 17 2020 at 32.5°N 278.5°E

Download data: JSON

Event type: Heat wave

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

  • United States

Duration: 10 days

Time span: October 08 2020 to October 17 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 3.4 °C
  • Mean temperature: 25.3 °C
  • Maximum temperature anomaly: 6.0 °C
  • Maximum temperature: 27.6 °C

Event center: 32.5°N 278.5°E

Area affected: 429697 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-Oct-08_to_2020-Oct-17_278.5_32.5