Category: Extremes affecting United States

Cold spell occuring from June 27 2015 to July 05 2015 at 44.0°N 283.5°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: June 27 2015 to July 05 2015

Statistics over entire affected area:

  • Mean temperature anomaly: -4.9 °C
  • Mean temperature: 15.8 °C
  • Minimum temperature anomaly: -8.2 °C
  • Minimum temperature: 11.5 °C

Event center: 44.0°N 283.5°E

Area affected: 140897 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_2015-Jun-27_to_2015-Jul-05_283.5_44.0

Cold spell occuring from June 27 2015 to June 29 2015 at 40.5°N 284.0°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: June 27 2015 to June 29 2015

Statistics over entire affected area:

  • Mean temperature anomaly: -4.0 °C
  • Mean temperature: 19.4 °C
  • Minimum temperature anomaly: -6.2 °C
  • Minimum temperature: 14.2 °C

Event center: 40.5°N 284.0°E

Area affected: 73446 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_2015-Jun-27_to_2015-Jun-29_284.0_40.5

Cold spell occuring from June 25 2015 to July 05 2015 at 44.5°N 277.5°E

Download data: JSON

Event type: Cold spell

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

  • Canada
  • United States

Duration: 11 days

Time span: June 25 2015 to July 05 2015

Statistics over entire affected area:

  • Mean temperature anomaly: -4.6 °C
  • Mean temperature: 13.2 °C
  • Minimum temperature anomaly: -7.7 °C
  • Minimum temperature: 9.0 °C

Event center: 44.5°N 277.5°E

Area affected: 57184 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_2015-Jun-25_to_2015-Jul-05_277.5_44.5

Cold spell occuring from June 20 2015 to June 23 2015 at 46.0°N 293.0°E

Download data: JSON

Event type: Cold spell

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

  • Canada
  • United States

Duration: 4 days

Time span: June 20 2015 to June 23 2015

Statistics over entire affected area:

  • Mean temperature anomaly: -4.5 °C
  • Mean temperature: 12.3 °C
  • Minimum temperature anomaly: -5.9 °C
  • Minimum temperature: 10.6 °C

Event center: 46.0°N 293.0°E

Area affected: 58048 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_2015-Jun-20_to_2015-Jun-23_293.0_46.0

Cold spell occuring from June 15 2015 to July 05 2015 at 47.5°N 274.5°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: June 15 2015 to July 05 2015

Statistics over entire affected area:

  • Mean temperature anomaly: -6.0 °C
  • Mean temperature: 6.1 °C
  • Minimum temperature anomaly: -10.1 °C
  • Minimum temperature: 2.2 °C

Event center: 47.5°N 274.5°E

Area affected: 85415 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_2015-Jun-15_to_2015-Jul-05_274.5_47.5

Cold spell occuring from June 15 2015 to July 03 2015 at 24.0°N 257.0°E

Download data: JSON

Event type: Cold spell

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

  • Mexico
  • United States

Duration: 19 days

Time span: June 15 2015 to July 03 2015

Statistics over entire affected area:

  • Mean temperature anomaly: -3.4 °C
  • Mean temperature: 20.3 °C
  • Minimum temperature anomaly: -6.3 °C
  • Minimum temperature: 13.3 °C

Event center: 24.0°N 257.0°E

Area affected: 529682 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_2015-Jun-15_to_2015-Jul-03_257.0_24.0

Cold spell occuring from June 11 2015 to July 30 2015 at 43.0°N 272.5°E

Download data: JSON

Event type: Cold spell

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

  • Mexico
  • United States

Duration: 50 days

Time span: June 11 2015 to July 30 2015

Statistics over entire affected area:

  • Mean temperature anomaly: -5.5 °C
  • Mean temperature: 18.1 °C
  • Minimum temperature anomaly: -11.1 °C
  • Minimum temperature: 4.8 °C

Event center: 43.0°N 272.5°E

Area affected: 3091973 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_2015-Jun-11_to_2015-Jul-30_272.5_43.0

Cold spell occuring from June 09 2015 to June 13 2015 at 67.5°N 204.0°E

Download data: JSON

Event type: Cold spell

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

  • United States

Duration: 5 days

Time span: June 09 2015 to June 13 2015

Statistics over entire affected area:

  • Mean temperature anomaly: -6.5 °C
  • Mean temperature: 4.6 °C
  • Minimum temperature anomaly: -9.4 °C
  • Minimum temperature: -2.6 °C

Event center: 67.5°N 204.0°E

Area affected: 115639 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_2015-Jun-09_to_2015-Jun-13_204.0_67.5

Heat wave occuring from June 08 2015 to July 07 2015 at 32.5°N 292.0°E

Download data: JSON

Event type: Heat wave

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

  • Canada
  • United States

Duration: 30 days

Time span: June 08 2015 to July 07 2015

Statistics over entire affected area:

  • Mean temperature anomaly: 1.9 °C
  • Mean temperature: 26.1 °C
  • Maximum temperature anomaly: 7.0 °C
  • Maximum temperature: 32.2 °C

Event center: 32.5°N 292.0°E

Area affected: 6597867 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_2015-Jun-08_to_2015-Jul-07_292.0_32.5

Heat wave occuring from June 06 2015 to June 12 2015 at 34.5°N 265.5°E

Download data: JSON

Event type: Heat wave

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

  • United States

Duration: 7 days

Time span: June 06 2015 to June 12 2015

Statistics over entire affected area:

  • Mean temperature anomaly: 3.5 °C
  • Mean temperature: 28.2 °C
  • Maximum temperature anomaly: 4.4 °C
  • Maximum temperature: 30.3 °C

Event center: 34.5°N 265.5°E

Area affected: 96000 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_2015-Jun-06_to_2015-Jun-12_265.5_34.5