Category: Extremes affecting United States

Cold spell occuring from October 30 2012 to November 07 2012 at 55.5°N 196.5°E

Download data: JSON

Event type: Cold spell

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

  • United States

Duration: 9 days

Time span: October 30 2012 to November 07 2012

Statistics over entire affected area:

  • Mean temperature anomaly: -3.4 °C
  • Mean temperature: 4.6 °C
  • Minimum temperature anomaly: -15.8 °C
  • Minimum temperature: -17.4 °C

Event center: 55.5°N 196.5°E

Area affected: 3345411 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-30_to_2012-Nov-07_196.5_55.5

Cold spell occuring from October 29 2012 to November 01 2012 at 35.5°N 276.5°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: October 29 2012 to November 01 2012

Statistics over entire affected area:

  • Mean temperature anomaly: -7.7 °C
  • Mean temperature: 2.4 °C
  • Minimum temperature anomaly: -9.6 °C
  • Minimum temperature: -0.6 °C

Event center: 35.5°N 276.5°E

Area affected: 95242 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-29_to_2012-Nov-01_276.5_35.5

Heat wave occuring from October 28 2012 to November 08 2012 at 46.0°N 238.5°E

Download data: JSON

Event type: Heat wave

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

  • Canada
  • United States

Duration: 12 days

Time span: October 28 2012 to November 08 2012

Statistics over entire affected area:

  • Mean temperature anomaly: 6.1 °C
  • Mean temperature: 10.3 °C
  • Maximum temperature anomaly: 11.4 °C
  • Maximum temperature: 25.0 °C

Event center: 46.0°N 238.5°E

Area affected: 1420551 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-28_to_2012-Nov-08_238.5_46.0

Cold spell occuring from October 26 2012 to November 17 2012 at 23.5°N 282.0°E

Download data: JSON

Event type: Cold spell

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

  • Bahamas
  • Cuba
  • Dominican Republic
  • Haiti
  • Mexico
  • United States

Duration: 23 days

Time span: October 26 2012 to November 17 2012

Statistics over entire affected area:

  • Mean temperature anomaly: -3.2 °C
  • Mean temperature: 21.2 °C
  • Minimum temperature anomaly: -8.8 °C
  • Minimum temperature: 8.0 °C

Event center: 23.5°N 282.0°E

Area affected: 3110365 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-26_to_2012-Nov-17_282.0_23.5

Cold spell occuring from October 26 2012 to October 28 2012 at 37.0°N 265.5°E

Download data: JSON

Event type: Cold spell

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

  • United States

Duration: 3 days

Time span: October 26 2012 to October 28 2012

Statistics over entire affected area:

  • Mean temperature anomaly: -7.7 °C
  • Mean temperature: 5.9 °C
  • Minimum temperature anomaly: -9.2 °C
  • Minimum temperature: 2.6 °C

Event center: 37.0°N 265.5°E

Area affected: 104992 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-26_to_2012-Oct-28_265.5_37.0

Heat wave occuring from October 20 2012 to October 24 2012 at 37.0°N 250.5°E

Download data: JSON

Event type: Heat wave

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

  • United States

Duration: 5 days

Time span: October 20 2012 to October 24 2012

Statistics over entire affected area:

  • Mean temperature anomaly: 5.7 °C
  • Mean temperature: 13.8 °C
  • Maximum temperature anomaly: 7.9 °C
  • Maximum temperature: 18.9 °C

Event center: 37.0°N 250.5°E

Area affected: 76409 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-20_to_2012-Oct-24_250.5_37.0

Heat wave occuring from October 19 2012 to November 07 2012 at 64.5°N 316.5°E

Download data: JSON

Event type: Heat wave

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

  • Canada
  • Greenland
  • United States

Duration: 20 days

Time span: October 19 2012 to November 07 2012

Statistics over entire affected area:

  • Mean temperature anomaly: 5.8 °C
  • Mean temperature: 4.1 °C
  • Maximum temperature anomaly: 17.5 °C
  • Maximum temperature: 21.3 °C

Event center: 64.5°N 316.5°E

Area affected: 6537110 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-19_to_2012-Nov-07_316.5_64.5

Heat wave occuring from October 17 2012 to October 29 2012 at 21.0°N 257.5°E

Download data: JSON

Event type: Heat wave

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

  • Canada
  • Mexico
  • United States

Duration: 13 days

Time span: October 17 2012 to October 29 2012

Statistics over entire affected area:

  • Mean temperature anomaly: 6.6 °C
  • Mean temperature: 21.0 °C
  • Maximum temperature anomaly: 13.6 °C
  • Maximum temperature: 29.7 °C

Event center: 21.0°N 257.5°E

Area affected: 2590008 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-17_to_2012-Oct-29_257.5_21.0

Heat wave occuring from October 16 2012 to October 20 2012 at 35.0°N 239.5°E

Download data: JSON

Event type: Heat wave

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

  • United States

Duration: 5 days

Time span: October 16 2012 to October 20 2012

Statistics over entire affected area:

  • Mean temperature anomaly: 4.3 °C
  • Mean temperature: 19.2 °C
  • Maximum temperature anomaly: 6.3 °C
  • Maximum temperature: 25.0 °C

Event center: 35.0°N 239.5°E

Area affected: 70953 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-16_to_2012-Oct-20_239.5_35.0

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