Category: Extremes 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: 16 days

Time span: July 17 2015 to August 01 2015

Statistics over entire affected area:

• Mean temperature anomaly: -4.3 °C
• Mean temperature: 12.7 °C
• Minimum temperature anomaly: -9.4 °C
• Minimum temperature: 5.1 °C

Event center: 48.0°N 305.5°E

Area affected: 1665375 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_2015-Jul-17_to_2015-Aug-01_305.5_48.0

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: July 14 2015 to July 18 2015

Statistics over entire affected area:

• Mean temperature anomaly: -4.6 °C
• Mean temperature: 17.1 °C
• Minimum temperature anomaly: -6.8 °C
• Minimum temperature: 13.4 °C

Event center: 42.0°N 278.0°E

Area affected: 155127 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_2015-Jul-14_to_2015-Jul-18_278.0_42.0

Download data: JSON

Event type: Cold spell

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

• Canada
• United States

Duration: 9 days

Time span: June 27 2015 to July 05 2015

Statistics over entire affected area:

• Mean temperature anomaly: -4.9 °C
• Mean temperature: 15.8 °C
• Minimum temperature anomaly: -8.2 °C
• Minimum temperature: 11.5 °C

Event center: 44.0°N 283.5°E

Area affected: 140897 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_2015-Jun-27_to_2015-Jul-05_283.5_44.0

Download data: JSON

Event type: Cold spell

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

• Canada
• United States

Duration: 11 days

Time span: June 25 2015 to July 05 2015

Statistics over entire affected area:

• Mean temperature anomaly: -4.6 °C
• Mean temperature: 13.2 °C
• Minimum temperature anomaly: -7.7 °C
• Minimum temperature: 9.0 °C

Event center: 44.5°N 277.5°E

Area affected: 57184 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_2015-Jun-25_to_2015-Jul-05_277.5_44.5

Download data: JSON

Event type: Cold spell

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

• Canada
• United States

Duration: 4 days

Time span: June 20 2015 to June 23 2015

Statistics over entire affected area:

• Mean temperature anomaly: -4.5 °C
• Mean temperature: 12.3 °C
• Minimum temperature anomaly: -5.9 °C
• Minimum temperature: 10.6 °C

Event center: 46.0°N 293.0°E

Area affected: 58048 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_2015-Jun-20_to_2015-Jun-23_293.0_46.0

Download data: JSON

Event type: Cold spell

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

• Canada
• United States

Duration: 21 days

Time span: June 15 2015 to July 05 2015

Statistics over entire affected area:

• Mean temperature anomaly: -6.0 °C
• Mean temperature: 6.1 °C
• Minimum temperature anomaly: -10.1 °C
• Minimum temperature: 2.2 °C

Event center: 47.5°N 274.5°E

Area affected: 85415 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_2015-Jun-15_to_2015-Jul-05_274.5_47.5