Category: Cold spells affecting United States

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: July 10 2020 to July 12 2020

Statistics over entire affected area:

• Mean temperature anomaly: -5.6 °C
• Mean temperature: 8.1 °C
• Minimum temperature anomaly: -8.2 °C
• Minimum temperature: 3.2 °C

Event center: 66.0°N 220.0°E

Area affected: 85980 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-Jul-10_to_2020-Jul-12_220.0_66.0

Download data: JSON

Event type: Cold spell

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

• Canada
• United States

Duration: 15 days

Time span: July 09 2020 to July 23 2020

Statistics over entire affected area:

• Mean temperature anomaly: -4.2 °C
• Mean temperature: 1.8 °C
• Minimum temperature anomaly: -9.1 °C
• Minimum temperature: -0.7 °C

Event center: 70.5°N 208.0°E

Area affected: 160865 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-Jul-09_to_2020-Jul-23_208.0_70.5

Download data: JSON

Event type: Cold spell

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

• Canada
• United States

Duration: 5 days

Time span: June 29 2020 to July 03 2020

Statistics over entire affected area:

• Mean temperature anomaly: -5.0 °C
• Mean temperature: 10.1 °C
• Minimum temperature anomaly: -7.2 °C
• Minimum temperature: 2.3 °C

Event center: 65.0°N 221.5°E

Area affected: 281313 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-Jun-29_to_2020-Jul-03_221.5_65.0

Download data: JSON

Event type: Cold spell

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

• Canada
• United States

Duration: 5 days

Time span: June 28 2020 to July 02 2020

Statistics over entire affected area:

• Mean temperature anomaly: -8.0 °C
• Mean temperature: 10.1 °C
• Minimum temperature anomaly: -13.9 °C
• Minimum temperature: 0.7 °C

Event center: 43.5°N 247.5°E

Area affected: 489165 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-Jun-28_to_2020-Jul-02_247.5_43.5

Download data: JSON

Event type: Cold spell

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

• Canada
• United States

Duration: 5 days

Time span: June 22 2020 to June 26 2020

Statistics over entire affected area:

• Mean temperature anomaly: -5.0 °C
• Mean temperature: 8.4 °C
• Minimum temperature anomaly: -7.4 °C
• Minimum temperature: -0.5 °C

Event center: 64.5°N 217.5°E

Area affected: 203304 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-Jun-22_to_2020-Jun-26_217.5_64.5

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: June 14 2020 to June 16 2020

Statistics over entire affected area:

• Mean temperature anomaly: -5.0 °C
• Mean temperature: 10.6 °C
• Minimum temperature anomaly: -6.6 °C
• Minimum temperature: 3.5 °C

Event center: 46.5°N 244.5°E

Area affected: 68947 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-Jun-14_to_2020-Jun-16_244.5_46.5

Download data: JSON

Event type: Cold spell

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

• Canada
• United States

Duration: 10 days

Time span: June 11 2020 to June 20 2020

Statistics over entire affected area:

• Mean temperature anomaly: -5.7 °C
• Mean temperature: 10.1 °C
• Minimum temperature anomaly: -11.4 °C
• Minimum temperature: 3.4 °C

Event center: 45.5°N 279.0°E

Area affected: 549021 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-Jun-11_to_2020-Jun-20_279.0_45.5