Category: Extremes affecting United States

Cold spell occuring from January 17 2013 to January 23 2013 at 47.0°N 236.0°E

Download data: JSON

Event type: Cold spell

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

  • United States

Duration: 7 days

Time span: January 17 2013 to January 23 2013

Statistics over entire affected area:

  • Mean temperature anomaly: -4.3 °C
  • Mean temperature: 1.2 °C
  • Minimum temperature anomaly: -6.3 °C
  • Minimum temperature: -0.8 °C

Event center: 47.0°N 236.0°E

Area affected: 54666 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_2013-Jan-17_to_2013-Jan-23_236.0_47.0

Heat wave occuring from January 14 2013 to January 20 2013 at 60.0°N 231.0°E

Download data: JSON

Event type: Heat wave

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

  • Canada
  • United States

Duration: 7 days

Time span: January 14 2013 to January 20 2013

Statistics over entire affected area:

  • Mean temperature anomaly: 12.2 °C
  • Mean temperature: -0.8 °C
  • Maximum temperature anomaly: 26.1 °C
  • Maximum temperature: 6.4 °C

Event center: 60.0°N 231.0°E

Area affected: 482965 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_2013-Jan-14_to_2013-Jan-20_231.0_60.0

Heat wave occuring from January 11 2013 to January 15 2013 at 64.5°N 202.5°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: January 11 2013 to January 15 2013

Statistics over entire affected area:

  • Mean temperature anomaly: 15.5 °C
  • Mean temperature: -5.0 °C
  • Maximum temperature anomaly: 23.3 °C
  • Maximum temperature: 2.7 °C

Event center: 64.5°N 202.5°E

Area affected: 449704 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_2013-Jan-11_to_2013-Jan-15_202.5_64.5

Cold spell occuring from January 10 2013 to January 23 2013 at 41.5°N 241.5°E

Download data: JSON

Event type: Cold spell

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

  • Canada
  • Mexico
  • United States

Duration: 14 days

Time span: January 10 2013 to January 23 2013

Statistics over entire affected area:

  • Mean temperature anomaly: -6.8 °C
  • Mean temperature: 0.3 °C
  • Minimum temperature anomaly: -24.2 °C
  • Minimum temperature: -28.0 °C

Event center: 41.5°N 241.5°E

Area affected: 5990962 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_2013-Jan-10_to_2013-Jan-23_241.5_41.5

Heat wave occuring from January 08 2013 to January 12 2013 at 48.5°N 270.5°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: January 08 2013 to January 12 2013

Statistics over entire affected area:

  • Mean temperature anomaly: 11.7 °C
  • Mean temperature: -1.1 °C
  • Maximum temperature anomaly: 16.5 °C
  • Maximum temperature: 3.7 °C

Event center: 48.5°N 270.5°E

Area affected: 244688 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_2013-Jan-08_to_2013-Jan-12_270.5_48.5

Cold spell occuring from December 27 2012 to January 10 2013 at 36.5°N 251.5°E

Download data: JSON

Event type: Cold spell

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

  • Mexico
  • United States

Duration: 15 days

Time span: December 27 2012 to January 10 2013

Statistics over entire affected area:

  • Mean temperature anomaly: -8.1 °C
  • Mean temperature: -7.9 °C
  • Minimum temperature anomaly: -18.0 °C
  • Minimum temperature: -24.6 °C

Event center: 36.5°N 251.5°E

Area affected: 1924829 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-Dec-27_to_2013-Jan-10_251.5_36.5

Cold spell occuring from December 24 2012 to December 29 2012 at 40.0°N 259.5°E

Download data: JSON

Event type: Cold spell

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

  • United States

Duration: 6 days

Time span: December 24 2012 to December 29 2012

Statistics over entire affected area:

  • Mean temperature anomaly: -9.0 °C
  • Mean temperature: -10.5 °C
  • Minimum temperature anomaly: -13.6 °C
  • Minimum temperature: -17.9 °C

Event center: 40.0°N 259.5°E

Area affected: 224802 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-Dec-24_to_2012-Dec-29_259.5_40.0

Cold spell occuring from December 20 2012 to December 23 2012 at 37.0°N 251.0°E

Download data: JSON

Event type: Cold spell

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

  • United States

Duration: 4 days

Time span: December 20 2012 to December 23 2012

Statistics over entire affected area:

  • Mean temperature anomaly: -9.2 °C
  • Mean temperature: -11.9 °C
  • Minimum temperature anomaly: -14.7 °C
  • Minimum temperature: -22.0 °C

Event center: 37.0°N 251.0°E

Area affected: 151034 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-Dec-20_to_2012-Dec-23_251.0_37.0

Cold spell occuring from December 19 2012 to December 24 2012 at 57.5°N 203.5°E

Download data: JSON

Event type: Cold spell

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

  • United States

Duration: 6 days

Time span: December 19 2012 to December 24 2012

Statistics over entire affected area:

  • Mean temperature anomaly: -12.5 °C
  • Mean temperature: -19.4 °C
  • Minimum temperature anomaly: -23.7 °C
  • Minimum temperature: -35.3 °C

Event center: 57.5°N 203.5°E

Area affected: 126365 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-Dec-19_to_2012-Dec-24_203.5_57.5

Heat wave occuring from December 16 2012 to December 18 2012 at 41.0°N 280.5°E

Download data: JSON

Event type: Heat wave

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

  • Canada
  • United States

Duration: 3 days

Time span: December 16 2012 to December 18 2012

Statistics over entire affected area:

  • Mean temperature anomaly: 7.1 °C
  • Mean temperature: 5.6 °C
  • Maximum temperature anomaly: 10.5 °C
  • Maximum temperature: 10.0 °C

Event center: 41.0°N 280.5°E

Area affected: 74990 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-Dec-16_to_2012-Dec-18_280.5_41.0