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: July 14 2011 to July 17 2011

Statistics over entire affected area:

• Mean temperature anomaly: -3.3 °C
• Mean temperature: 13.2 °C
• Minimum temperature anomaly: -6.2 °C
• Minimum temperature: 11.0 °C

Event center: 46.5°N 299.0°E

Area affected: 156705 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_2011-Jul-14_to_2011-Jul-17_299.0_46.5

Download data: JSON

Event type: Cold spell

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

• Canada

Duration: 3 days

Time span: July 08 2011 to July 10 2011

Statistics over entire affected area:

• Mean temperature anomaly: -5.0 °C
• Mean temperature: 6.5 °C
• Minimum temperature anomaly: -7.8 °C
• Minimum temperature: 1.5 °C

Event center: 54.0°N 241.0°E

Area affected: 51284 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_2011-Jul-08_to_2011-Jul-10_241.0_54.0

Download data: JSON

Event type: Cold spell

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

• Canada

Duration: 12 days

Time span: July 05 2011 to July 16 2011

Statistics over entire affected area:

• Mean temperature anomaly: -0.9 °C
• Mean temperature: -0.1 °C
• Minimum temperature anomaly: -1.7 °C
• Minimum temperature: -0.8 °C

Event center: 89.5°N 0.0°E

Area affected: 409162 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_2011-Jul-05_to_2011-Jul-16_0.0_89.5

Download data: JSON

Event type: Cold spell

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

• Canada

Duration: 6 days

Time span: June 30 2011 to July 05 2011

Statistics over entire affected area:

• Mean temperature anomaly: -4.6 °C
• Mean temperature: 7.0 °C
• Minimum temperature anomaly: -7.5 °C
• Minimum temperature: 1.8 °C

Event center: 53.0°N 232.5°E

Area affected: 199091 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_2011-Jun-30_to_2011-Jul-05_232.5_53.0

Download data: JSON

Event type: Cold spell

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

• Canada

Duration: 5 days

Time span: June 29 2011 to July 03 2011

Statistics over entire affected area:

• Mean temperature anomaly: -5.0 °C
• Mean temperature: 8.1 °C
• Minimum temperature anomaly: -7.4 °C
• Minimum temperature: 1.9 °C

Event center: 61.5°N 232.5°E

Area affected: 78670 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_2011-Jun-29_to_2011-Jul-03_232.5_61.5

Download data: JSON

Event type: Cold spell

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

• Canada

Duration: 3 days

Time span: June 26 2011 to June 28 2011

Statistics over entire affected area:

• Mean temperature anomaly: -7.3 °C
• Mean temperature: 4.2 °C
• Minimum temperature anomaly: -8.3 °C
• Minimum temperature: 2.2 °C

Event center: 66.5°N 244.5°E

Area affected: 76117 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_2011-Jun-26_to_2011-Jun-28_244.5_66.5

Download data: JSON

Event type: Cold spell

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

• Canada

Duration: 9 days

Time span: June 20 2011 to June 28 2011

Statistics over entire affected area:

• Mean temperature anomaly: -3.1 °C
• Mean temperature: 9.3 °C
• Minimum temperature anomaly: -5.8 °C
• Minimum temperature: 7.0 °C

Event center: 47.0°N 296.5°E

Area affected: 182248 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_2011-Jun-20_to_2011-Jun-28_296.5_47.0

Download data: JSON

Event type: Cold spell

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

• Canada

Duration: 9 days

Time span: June 16 2011 to June 24 2011

Statistics over entire affected area:

• Mean temperature anomaly: -5.3 °C
• Mean temperature: 7.5 °C
• Minimum temperature anomaly: -8.3 °C
• Minimum temperature: 3.6 °C

Event center: 51.5°N 301.5°E

Area affected: 252970 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_2011-Jun-16_to_2011-Jun-24_301.5_51.5