Category: Cold spells affecting Canada

Download data: JSON

Event type: Cold spell

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

• Canada

Duration: 7 days

Time span: January 31 2021 to February 06 2021

Statistics over entire affected area:

• Mean temperature anomaly: -7.0 °C
• Mean temperature: -37.3 °C
• Minimum temperature anomaly: -12.2 °C
• Minimum temperature: -46.1 °C

Event center: 70.0°N 259.5°E

Area affected: 62452 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_2021-Jan-31_to_2021-Feb-06_259.5_70.0

Download data: JSON

Event type: Cold spell

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

• Canada

Duration: 5 days

Time span: January 23 2021 to January 27 2021

Statistics over entire affected area:

• Mean temperature anomaly: -14.6 °C
• Mean temperature: -30.9 °C
• Minimum temperature anomaly: -20.3 °C
• Minimum temperature: -38.0 °C

Event center: 51.0°N 258.0°E

Area affected: 414666 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_2021-Jan-23_to_2021-Jan-27_258.0_51.0

Download data: JSON

Event type: Cold spell

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

• Canada

Duration: 5 days

Time span: January 02 2021 to January 06 2021

Statistics over entire affected area:

• Mean temperature anomaly: -8.9 °C
• Mean temperature: -37.5 °C
• Minimum temperature anomaly: -16.6 °C
• Minimum temperature: -48.3 °C

Event center: 74.0°N 260.0°E

Area affected: 498954 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_2021-Jan-02_to_2021-Jan-06_260.0_74.0

Download data: JSON

Event type: Cold spell

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

• Canada

Duration: 7 days

Time span: December 22 2020 to December 28 2020

Statistics over entire affected area:

• Mean temperature anomaly: -6.8 °C
• Mean temperature: -34.6 °C
• Minimum temperature anomaly: -12.9 °C
• Minimum temperature: -44.1 °C

Event center: 73.5°N 256.0°E

Area affected: 196803 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-Dec-22_to_2020-Dec-28_256.0_73.5

Download data: JSON

Event type: Cold spell

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

• Canada

Duration: 12 days

Time span: December 12 2020 to December 23 2020

Statistics over entire affected area:

• Mean temperature anomaly: -12.8 °C
• Mean temperature: -37.9 °C
• Minimum temperature anomaly: -24.4 °C
• Minimum temperature: -50.2 °C

Event center: 64.0°N 236.0°E

Area affected: 1612260 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-Dec-12_to_2020-Dec-23_236.0_64.0

Download data: JSON

Event type: Cold spell

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

• Canada

Duration: 8 days

Time span: November 27 2020 to December 04 2020

Statistics over entire affected area:

• Mean temperature anomaly: -7.2 °C
• Mean temperature: -30.2 °C
• Minimum temperature anomaly: -10.4 °C
• Minimum temperature: -35.9 °C

Event center: 80.5°N 265.5°E

Area affected: 129188 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-27_to_2020-Dec-04_265.5_80.5