Category: Extremes affecting United States

Heat wave occuring from December 06 2012 to December 09 2012 at 32.0°N 256.0°E

Download data: JSON

Event type: Heat wave

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

  • Mexico
  • United States

Duration: 4 days

Time span: December 06 2012 to December 09 2012

Statistics over entire affected area:

  • Mean temperature anomaly: 6.2 °C
  • Mean temperature: 13.6 °C
  • Maximum temperature anomaly: 9.1 °C
  • Maximum temperature: 18.1 °C

Event center: 32.0°N 256.0°E

Area affected: 81311 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-06_to_2012-Dec-09_256.0_32.0

Heat wave occuring from December 03 2012 to December 05 2012 at 39.5°N 281.5°E

Download data: JSON

Event type: Heat wave

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

  • United States

Duration: 3 days

Time span: December 03 2012 to December 05 2012

Statistics over entire affected area:

  • Mean temperature anomaly: 8.2 °C
  • Mean temperature: 13.4 °C
  • Maximum temperature anomaly: 10.3 °C
  • Maximum temperature: 16.1 °C

Event center: 39.5°N 281.5°E

Area affected: 88819 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-03_to_2012-Dec-05_281.5_39.5

Heat wave occuring from November 21 2012 to December 11 2012 at 33.0°N 244.5°E

Download data: JSON

Event type: Heat wave

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

  • Canada
  • Mexico
  • United States

Duration: 21 days

Time span: November 21 2012 to December 11 2012

Statistics over entire affected area:

  • Mean temperature anomaly: 4.9 °C
  • Mean temperature: 16.1 °C
  • Maximum temperature anomaly: 15.8 °C
  • Maximum temperature: 26.6 °C

Event center: 33.0°N 244.5°E

Area affected: 11278323 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-Nov-21_to_2012-Dec-11_244.5_33.0

Cold spell occuring from November 19 2012 to December 09 2012 at 62.5°N 213.5°E

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: November 19 2012 to December 09 2012

Statistics over entire affected area:

  • Mean temperature anomaly: -8.1 °C
  • Mean temperature: -10.8 °C
  • Minimum temperature anomaly: -27.9 °C
  • Minimum temperature: -46.0 °C

Event center: 62.5°N 213.5°E

Area affected: 4619611 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-Nov-19_to_2012-Dec-09_213.5_62.5

Heat wave occuring from November 18 2012 to November 25 2012 at 53.0°N 291.0°E

Download data: JSON

Event type: Heat wave

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

  • Canada
  • United States

Duration: 8 days

Time span: November 18 2012 to November 25 2012

Statistics over entire affected area:

  • Mean temperature anomaly: 8.0 °C
  • Mean temperature: 2.7 °C
  • Maximum temperature anomaly: 13.5 °C
  • Maximum temperature: 9.7 °C

Event center: 53.0°N 291.0°E

Area affected: 1763687 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-Nov-18_to_2012-Nov-25_291.0_53.0

Cold spell occuring from November 17 2012 to November 26 2012 at 54.5°N 198.5°E

Download data: JSON

Event type: Cold spell

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

  • United States

Duration: 10 days

Time span: November 17 2012 to November 26 2012

Statistics over entire affected area:

  • Mean temperature anomaly: -4.6 °C
  • Mean temperature: -0.6 °C
  • Minimum temperature anomaly: -17.2 °C
  • Minimum temperature: -26.6 °C

Event center: 54.5°N 198.5°E

Area affected: 2087536 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-Nov-17_to_2012-Nov-26_198.5_54.5

Cold spell occuring from November 17 2012 to November 26 2012 at 22.5°N 280.0°E

Download data: JSON

Event type: Cold spell

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

  • Bahamas
  • Cuba
  • United States

Duration: 10 days

Time span: November 17 2012 to November 26 2012

Statistics over entire affected area:

  • Mean temperature anomaly: -2.1 °C
  • Mean temperature: 23.1 °C
  • Minimum temperature anomaly: -5.1 °C
  • Minimum temperature: 17.0 °C

Event center: 22.5°N 280.0°E

Area affected: 797032 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-Nov-17_to_2012-Nov-26_280.0_22.5

Cold spell occuring from November 11 2012 to November 14 2012 at 37.5°N 251.5°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: November 11 2012 to November 14 2012

Statistics over entire affected area:

  • Mean temperature anomaly: -6.7 °C
  • Mean temperature: -0.7 °C
  • Minimum temperature anomaly: -10.2 °C
  • Minimum temperature: -9.7 °C

Event center: 37.5°N 251.5°E

Area affected: 74822 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-Nov-11_to_2012-Nov-14_251.5_37.5

Cold spell occuring from November 10 2012 to November 12 2012 at 47.0°N 252.0°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: November 10 2012 to November 12 2012

Statistics over entire affected area:

  • Mean temperature anomaly: -11.8 °C
  • Mean temperature: -12.2 °C
  • Minimum temperature anomaly: -16.3 °C
  • Minimum temperature: -18.3 °C

Event center: 47.0°N 252.0°E

Area affected: 55413 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-Nov-10_to_2012-Nov-12_252.0_47.0

Cold spell occuring from November 10 2012 to November 14 2012 at 39.0°N 246.5°E

Download data: JSON

Event type: Cold spell

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

  • Mexico
  • United States

Duration: 5 days

Time span: November 10 2012 to November 14 2012

Statistics over entire affected area:

  • Mean temperature anomaly: -7.5 °C
  • Mean temperature: 1.7 °C
  • Minimum temperature anomaly: -14.6 °C
  • Minimum temperature: -13.0 °C

Event center: 39.0°N 246.5°E

Area affected: 257100 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-Nov-10_to_2012-Nov-14_246.5_39.0