Category: Extremes affecting Canada

Heat wave occuring from October 15 2012 to October 24 2012 at 59.5°N 266.5°E

Download data: JSON

Event type: Heat wave

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

  • Canada

Duration: 10 days

Time span: October 15 2012 to October 24 2012

Statistics over entire affected area:

  • Mean temperature anomaly: 4.0 °C
  • Mean temperature: 2.7 °C
  • Maximum temperature anomaly: 6.8 °C
  • Maximum temperature: 4.3 °C

Event center: 59.5°N 266.5°E

Area affected: 120290 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: Heat_wave_2012-Oct-15_to_2012-Oct-24_266.5_59.5

Cold spell occuring from October 13 2012 to November 04 2012 at 57.0°N 228.0°E

Download data: JSON

Event type: Cold spell

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

  • Canada
  • United States

Duration: 23 days

Time span: October 13 2012 to November 04 2012

Statistics over entire affected area:

  • Mean temperature anomaly: -4.9 °C
  • Mean temperature: 1.2 °C
  • Minimum temperature anomaly: -20.5 °C
  • Minimum temperature: -32.8 °C

Event center: 57.0°N 228.0°E

Area affected: 9547371 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-Oct-13_to_2012-Nov-04_228.0_57.0

Cold spell occuring from October 13 2012 to October 16 2012 at 56.0°N 297.5°E

Download data: JSON

Event type: Cold spell

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

  • Canada

Duration: 4 days

Time span: October 13 2012 to October 16 2012

Statistics over entire affected area:

  • Mean temperature anomaly: -5.0 °C
  • Mean temperature: -3.9 °C
  • Minimum temperature anomaly: -7.2 °C
  • Minimum temperature: -9.4 °C

Event center: 56.0°N 297.5°E

Area affected: 99630 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-Oct-13_to_2012-Oct-16_297.5_56.0

Heat wave occuring from October 12 2012 to October 16 2012 at 44.0°N 242.5°E

Download data: JSON

Event type: Heat wave

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

  • Canada
  • United States

Duration: 5 days

Time span: October 12 2012 to October 16 2012

Statistics over entire affected area:

  • Mean temperature anomaly: 5.0 °C
  • Mean temperature: 10.5 °C
  • Maximum temperature anomaly: 7.9 °C
  • Maximum temperature: 19.7 °C

Event center: 44.0°N 242.5°E

Area affected: 270164 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: Heat_wave_2012-Oct-12_to_2012-Oct-16_242.5_44.0

Cold spell occuring from October 12 2012 to October 14 2012 at 47.0°N 293.5°E

Download data: JSON

Event type: Cold spell

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

  • Canada
  • United States

Duration: 3 days

Time span: October 12 2012 to October 14 2012

Statistics over entire affected area:

  • Mean temperature anomaly: -5.1 °C
  • Mean temperature: 1.4 °C
  • Minimum temperature anomaly: -7.0 °C
  • Minimum temperature: -0.7 °C

Event center: 47.0°N 293.5°E

Area affected: 58369 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-Oct-12_to_2012-Oct-14_293.5_47.0

Heat wave occuring from October 11 2012 to October 14 2012 at 60.5°N 296.5°E

Download data: JSON

Event type: Heat wave

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

  • Canada

Duration: 4 days

Time span: October 11 2012 to October 14 2012

Statistics over entire affected area:

  • Mean temperature anomaly: 3.0 °C
  • Mean temperature: 3.5 °C
  • Maximum temperature anomaly: 4.7 °C
  • Maximum temperature: 5.6 °C

Event center: 60.5°N 296.5°E

Area affected: 132025 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: Heat_wave_2012-Oct-11_to_2012-Oct-14_296.5_60.5

Cold spell occuring from October 04 2012 to October 11 2012 at 33.0°N 258.5°E

Download data: JSON

Event type: Cold spell

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

  • Canada
  • United States

Duration: 8 days

Time span: October 04 2012 to October 11 2012

Statistics over entire affected area:

  • Mean temperature anomaly: -8.3 °C
  • Mean temperature: 7.1 °C
  • Minimum temperature anomaly: -12.9 °C
  • Minimum temperature: -7.4 °C

Event center: 33.0°N 258.5°E

Area affected: 2962296 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-Oct-04_to_2012-Oct-11_258.5_33.0

Cold spell occuring from October 03 2012 to October 07 2012 at 44.5°N 250.5°E

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: October 03 2012 to October 07 2012

Statistics over entire affected area:

  • Mean temperature anomaly: -7.3 °C
  • Mean temperature: -0.2 °C
  • Minimum temperature anomaly: -13.6 °C
  • Minimum temperature: -10.7 °C

Event center: 44.5°N 250.5°E

Area affected: 163984 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-Oct-03_to_2012-Oct-07_250.5_44.5

Heat wave occuring from September 30 2012 to October 08 2012 at 48.5°N 299.5°E

Download data: JSON

Event type: Heat wave

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

  • Canada

Duration: 9 days

Time span: September 30 2012 to October 08 2012

Statistics over entire affected area:

  • Mean temperature anomaly: 3.4 °C
  • Mean temperature: 14.5 °C
  • Maximum temperature anomaly: 5.6 °C
  • Maximum temperature: 18.5 °C

Event center: 48.5°N 299.5°E

Area affected: 261650 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: Heat_wave_2012-Sep-30_to_2012-Oct-08_299.5_48.5

Heat wave occuring from September 29 2012 to October 01 2012 at 56.0°N 266.5°E

Download data: JSON

Event type: Heat wave

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

  • Canada

Duration: 3 days

Time span: September 29 2012 to October 01 2012

Statistics over entire affected area:

  • Mean temperature anomaly: 8.3 °C
  • Mean temperature: 13.9 °C
  • Maximum temperature anomaly: 12.4 °C
  • Maximum temperature: 18.2 °C

Event center: 56.0°N 266.5°E

Area affected: 79491 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: Heat_wave_2012-Sep-29_to_2012-Oct-01_266.5_56.0