Category: Extremes affecting Canada

Heat wave occuring from January 30 2011 to February 03 2011 at 68.5°N 258.5°E

Download data: JSON

Event type: Heat wave

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

  • Canada

Duration: 5 days

Time span: January 30 2011 to February 03 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 6.7 °C
  • Mean temperature: -21.8 °C
  • Maximum temperature anomaly: 9.3 °C
  • Maximum temperature: -19.0 °C

Event center: 68.5°N 258.5°E

Area affected: 64539 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_2011-Jan-30_to_2011-Feb-03_258.5_68.5

Heat wave occuring from January 25 2011 to January 28 2011 at 52.0°N 243.0°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: January 25 2011 to January 28 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 8.0 °C
  • Mean temperature: -2.2 °C
  • Maximum temperature anomaly: 11.0 °C
  • Maximum temperature: 1.1 °C

Event center: 52.0°N 243.0°E

Area affected: 55292 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_2011-Jan-25_to_2011-Jan-28_243.0_52.0

Cold spell occuring from January 23 2011 to February 10 2011 at 79.5°N 293.5°E

Download data: JSON

Event type: Cold spell

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

  • Canada
  • Greenland
  • Norway

Duration: 19 days

Time span: January 23 2011 to February 10 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -9.5 °C
  • Mean temperature: -34.1 °C
  • Minimum temperature anomaly: -22.7 °C
  • Minimum temperature: -50.7 °C

Event center: 79.5°N 293.5°E

Area affected: 1989351 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-Jan-23_to_2011-Feb-10_293.5_79.5

Heat wave occuring from January 21 2011 to January 27 2011 at 60.0°N 230.0°E

Download data: JSON

Event type: Heat wave

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

  • Canada

Duration: 7 days

Time span: January 21 2011 to January 27 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 12.8 °C
  • Mean temperature: -5.3 °C
  • Maximum temperature anomaly: 18.8 °C
  • Maximum temperature: 0.9 °C

Event center: 60.0°N 230.0°E

Area affected: 176510 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_2011-Jan-21_to_2011-Jan-27_230.0_60.0

Cold spell occuring from January 21 2011 to January 24 2011 at 55.5°N 271.5°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: January 21 2011 to January 24 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -11.3 °C
  • Mean temperature: -36.1 °C
  • Minimum temperature anomaly: -13.7 °C
  • Minimum temperature: -38.8 °C

Event center: 55.5°N 271.5°E

Area affected: 92292 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-Jan-21_to_2011-Jan-24_271.5_55.5

Cold spell occuring from January 21 2011 to January 23 2011 at 49.5°N 271.5°E

Download data: JSON

Event type: Cold spell

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

  • Canada

Duration: 3 days

Time span: January 21 2011 to January 23 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -11.5 °C
  • Mean temperature: -30.6 °C
  • Minimum temperature anomaly: -14.1 °C
  • Minimum temperature: -35.9 °C

Event center: 49.5°N 271.5°E

Area affected: 79746 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-Jan-21_to_2011-Jan-23_271.5_49.5

Cold spell occuring from January 19 2011 to January 28 2011 at 73.0°N 245.5°E

Download data: JSON

Event type: Cold spell

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

  • Canada

Duration: 10 days

Time span: January 19 2011 to January 28 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -10.4 °C
  • Mean temperature: -42.4 °C
  • Minimum temperature anomaly: -18.7 °C
  • Minimum temperature: -52.2 °C

Event center: 73.0°N 245.5°E

Area affected: 744492 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-Jan-19_to_2011-Jan-28_245.5_73.0

Cold spell occuring from January 19 2011 to January 26 2011 at 70.0°N 203.5°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: January 19 2011 to January 26 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -13.1 °C
  • Mean temperature: -39.5 °C
  • Minimum temperature anomaly: -21.7 °C
  • Minimum temperature: -47.2 °C

Event center: 70.0°N 203.5°E

Area affected: 253980 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-Jan-19_to_2011-Jan-26_203.5_70.0

Cold spell occuring from January 19 2011 to January 25 2011 at 75.5°N 246.0°E

Download data: JSON

Event type: Cold spell

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

  • Canada

Duration: 7 days

Time span: January 19 2011 to January 25 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -8.5 °C
  • Mean temperature: -40.1 °C
  • Minimum temperature anomaly: -15.2 °C
  • Minimum temperature: -49.1 °C

Event center: 75.5°N 246.0°E

Area affected: 52380 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-Jan-19_to_2011-Jan-25_246.0_75.5

Cold spell occuring from January 14 2011 to January 22 2011 at 64.5°N 229.5°E

Download data: JSON

Event type: Cold spell

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

  • Canada

Duration: 9 days

Time span: January 14 2011 to January 22 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -14.2 °C
  • Mean temperature: -36.8 °C
  • Minimum temperature anomaly: -20.5 °C
  • Minimum temperature: -43.7 °C

Event center: 64.5°N 229.5°E

Area affected: 108729 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-Jan-14_to_2011-Jan-22_229.5_64.5