Category: Extremes affecting United States

Cold spell occuring from June 04 2012 to June 10 2012 at 47.5°N 237.5°E

Download data: JSON

Event type: Cold spell

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

  • Canada
  • United States

Duration: 7 days

Time span: June 04 2012 to June 10 2012

Statistics over entire affected area:

  • Mean temperature anomaly: -5.8 °C
  • Mean temperature: 8.5 °C
  • Minimum temperature anomaly: -8.5 °C
  • Minimum temperature: 2.0 °C

Event center: 47.5°N 237.5°E

Area affected: 171262 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-Jun-04_to_2012-Jun-10_237.5_47.5

Heat wave occuring from June 03 2012 to June 06 2012 at 44.5°N 256.5°E

Download data: JSON

Event type: Heat wave

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

  • United States

Duration: 4 days

Time span: June 03 2012 to June 06 2012

Statistics over entire affected area:

  • Mean temperature anomaly: 6.9 °C
  • Mean temperature: 24.1 °C
  • Maximum temperature anomaly: 11.3 °C
  • Maximum temperature: 28.7 °C

Event center: 44.5°N 256.5°E

Area affected: 87651 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-Jun-03_to_2012-Jun-06_256.5_44.5

Heat wave occuring from June 03 2012 to June 06 2012 at 30.5°N 264.0°E

Download data: JSON

Event type: Heat wave

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

  • United States

Duration: 4 days

Time span: June 03 2012 to June 06 2012

Statistics over entire affected area:

  • Mean temperature anomaly: 3.5 °C
  • Mean temperature: 29.9 °C
  • Maximum temperature anomaly: 4.5 °C
  • Maximum temperature: 31.3 °C

Event center: 30.5°N 264.0°E

Area affected: 50014 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-Jun-03_to_2012-Jun-06_264.0_30.5

Heat wave occuring from June 01 2012 to June 12 2012 at 44.0°N 273.0°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: June 01 2012 to June 12 2012

Statistics over entire affected area:

  • Mean temperature anomaly: 5.8 °C
  • Mean temperature: 20.5 °C
  • Maximum temperature anomaly: 10.2 °C
  • Maximum temperature: 28.6 °C

Event center: 44.0°N 273.0°E

Area affected: 750621 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-Jun-01_to_2012-Jun-12_273.0_44.0

Heat wave occuring from June 01 2012 to June 05 2012 at 41.0°N 245.5°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: June 01 2012 to June 05 2012

Statistics over entire affected area:

  • Mean temperature anomaly: 6.8 °C
  • Mean temperature: 24.2 °C
  • Maximum temperature anomaly: 9.3 °C
  • Maximum temperature: 29.8 °C

Event center: 41.0°N 245.5°E

Area affected: 236770 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-Jun-01_to_2012-Jun-05_245.5_41.0

Heat wave occuring from May 31 2012 to September 03 2012 at 72.0°N 226.5°E

Download data: JSON

Event type: Heat wave

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

  • Canada
  • Faroe Islands
  • Greenland
  • Iceland
  • United Kingdom
  • United States

Duration: 96 days

Time span: May 31 2012 to September 03 2012

Statistics over entire affected area:

  • Mean temperature anomaly: 4.1 °C
  • Mean temperature: 7.4 °C
  • Maximum temperature anomaly: 17.6 °C
  • Maximum temperature: 27.5 °C

Event center: 72.0°N 226.5°E

Area affected: 15994712 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-May-31_to_2012-Sep-03_226.5_72.0

Cold spell occuring from May 30 2012 to June 01 2012 at 42.0°N 262.5°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: May 30 2012 to June 01 2012

Statistics over entire affected area:

  • Mean temperature anomaly: -6.9 °C
  • Mean temperature: 11.5 °C
  • Minimum temperature anomaly: -9.1 °C
  • Minimum temperature: 8.7 °C

Event center: 42.0°N 262.5°E

Area affected: 124545 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-May-30_to_2012-Jun-01_262.5_42.0

Cold spell occuring from May 25 2012 to May 31 2012 at 36.5°N 238.0°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: May 25 2012 to May 31 2012

Statistics over entire affected area:

  • Mean temperature anomaly: -2.8 °C
  • Mean temperature: 11.4 °C
  • Minimum temperature anomaly: -9.3 °C
  • Minimum temperature: -3.9 °C

Event center: 36.5°N 238.0°E

Area affected: 148658 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-May-25_to_2012-May-31_238.0_36.5

Cold spell occuring from May 23 2012 to May 31 2012 at 48.0°N 256.5°E

Download data: JSON

Event type: Cold spell

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

  • Canada
  • United States

Duration: 9 days

Time span: May 23 2012 to May 31 2012

Statistics over entire affected area:

  • Mean temperature anomaly: -7.0 °C
  • Mean temperature: 5.5 °C
  • Minimum temperature anomaly: -12.0 °C
  • Minimum temperature: -4.2 °C

Event center: 48.0°N 256.5°E

Area affected: 842835 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-May-23_to_2012-May-31_256.5_48.0

Heat wave occuring from May 20 2012 to May 27 2012 at 28.5°N 251.0°E

Download data: JSON

Event type: Heat wave

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

  • Mexico
  • United States

Duration: 8 days

Time span: May 20 2012 to May 27 2012

Statistics over entire affected area:

  • Mean temperature anomaly: 4.7 °C
  • Mean temperature: 27.2 °C
  • Maximum temperature anomaly: 8.3 °C
  • Maximum temperature: 34.0 °C

Event center: 28.5°N 251.0°E

Area affected: 651773 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-May-20_to_2012-May-27_251.0_28.5