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: August 17 2012 to August 20 2012

Statistics over entire affected area:

• Mean temperature anomaly: -6.8 °C
• Mean temperature: 8.4 °C
• Minimum temperature anomaly: -10.1 °C
• Minimum temperature: 5.5 °C

Event center: 52.5°N 274.5°E

Area affected: 378906 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_2012-Aug-17_to_2012-Aug-20_274.5_52.5

Download data: JSON

Event type: Cold spell

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

• Canada

Duration: 5 days

Time span: August 13 2012 to August 17 2012

Statistics over entire affected area:

• Mean temperature anomaly: -5.4 °C
• Mean temperature: 4.3 °C
• Minimum temperature anomaly: -7.4 °C
• Minimum temperature: 1.7 °C

Event center: 66.0°N 257.0°E

Area affected: 123320 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_2012-Aug-13_to_2012-Aug-17_257.0_66.0

Download data: JSON

Event type: Cold spell

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

• Canada

Duration: 10 days

Time span: August 08 2012 to August 17 2012

Statistics over entire affected area:

• Mean temperature anomaly: -1.3 °C
• Mean temperature: -0.7 °C
• Minimum temperature anomaly: -3.4 °C
• Minimum temperature: -1.5 °C

Event center: 77.0°N 250.0°E

Area affected: 72874 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_2012-Aug-08_to_2012-Aug-17_250.0_77.0

Download data: JSON

Event type: Cold spell

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

• Canada

Duration: 11 days

Time span: August 07 2012 to August 17 2012

Statistics over entire affected area:

• Mean temperature anomaly: -2.7 °C
• Mean temperature: -0.4 °C
• Minimum temperature anomaly: -6.7 °C
• Minimum temperature: -2.9 °C

Event center: 77.0°N 227.0°E

Area affected: 588234 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_2012-Aug-07_to_2012-Aug-17_227.0_77.0

Download data: JSON

Event type: Cold spell

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

• Canada

Duration: 4 days

Time span: July 26 2012 to July 29 2012

Statistics over entire affected area:

• Mean temperature anomaly: -2.9 °C
• Mean temperature: 0.9 °C
• Minimum temperature anomaly: -6.8 °C
• Minimum temperature: -0.1 °C

Event center: 69.5°N 265.5°E

Area affected: 50147 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_2012-Jul-26_to_2012-Jul-29_265.5_69.5

Download data: JSON

Event type: Cold spell

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

• Canada

Duration: 5 days

Time span: July 23 2012 to July 27 2012

Statistics over entire affected area:

• Mean temperature anomaly: -6.6 °C
• Mean temperature: 7.7 °C
• Minimum temperature anomaly: -8.9 °C
• Minimum temperature: 5.1 °C

Event center: 55.0°N 284.5°E

Area affected: 207959 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_2012-Jul-23_to_2012-Jul-27_284.5_55.0