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: 4 days

Time span: March 15 2021 to March 18 2021

Statistics over entire affected area:

• Mean temperature anomaly: -4.9 °C
• Mean temperature: 9.3 °C
• Minimum temperature anomaly: -9.5 °C
• Minimum temperature: -5.7 °C

Event center: 34.5°N 305.5°E

Area affected: 1714555 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-Mar-15_to_2021-Mar-18_305.5_34.5

Download data: JSON

Event type: Cold spell

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

• Canada

Duration: 3 days

Time span: March 14 2021 to March 16 2021

Statistics over entire affected area:

• Mean temperature anomaly: -11.3 °C
• Mean temperature: -23.4 °C
• Minimum temperature anomaly: -13.0 °C
• Minimum temperature: -26.5 °C

Event center: 51.0°N 294.0°E

Area affected: 57152 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-Mar-14_to_2021-Mar-16_294.0_51.0

Download data: JSON

Event type: Cold spell

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

• Canada

Duration: 4 days

Time span: March 02 2021 to March 05 2021

Statistics over entire affected area:

• Mean temperature anomaly: -9.3 °C
• Mean temperature: -39.1 °C
• Minimum temperature anomaly: -13.4 °C
• Minimum temperature: -44.1 °C

Event center: 68.5°N 263.0°E

Area affected: 78896 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-Mar-02_to_2021-Mar-05_263.0_68.5

Download data: JSON

Event type: Cold spell

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

• Canada

Duration: 8 days

Time span: February 25 2021 to March 04 2021

Statistics over entire affected area:

• Mean temperature anomaly: -9.4 °C
• Mean temperature: -39.7 °C
• Minimum temperature anomaly: -15.9 °C
• Minimum temperature: -48.0 °C

Event center: 68.0°N 276.5°E

Area affected: 107622 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-Feb-25_to_2021-Mar-04_276.5_68.0

Download data: JSON

Event type: Cold spell

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

• Canada

Duration: 5 days

Time span: February 21 2021 to February 25 2021

Statistics over entire affected area:

• Mean temperature anomaly: -6.4 °C
• Mean temperature: -33.2 °C
• Minimum temperature anomaly: -8.2 °C
• Minimum temperature: -35.5 °C

Event center: 84.5°N 277.0°E

Area affected: 350739 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-Feb-21_to_2021-Feb-25_277.0_84.5

Download data: JSON

Event type: Cold spell

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

• Canada

Duration: 10 days

Time span: February 18 2021 to February 27 2021

Statistics over entire affected area:

• Mean temperature anomaly: -7.9 °C
• Mean temperature: -37.5 °C
• Minimum temperature anomaly: -16.2 °C
• Minimum temperature: -48.8 °C

Event center: 73.0°N 256.5°E

Area affected: 266867 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-Feb-18_to_2021-Feb-27_256.5_73.0

Download data: JSON

Event type: Cold spell

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

• Canada

Duration: 5 days

Time span: February 07 2021 to February 11 2021

Statistics over entire affected area:

• Mean temperature anomaly: -6.2 °C
• Mean temperature: -33.4 °C
• Minimum temperature anomaly: -7.9 °C
• Minimum temperature: -35.4 °C

Event center: 79.0°N 235.0°E

Area affected: 149438 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-Feb-07_to_2021-Feb-11_235.0_79.0