Category: Weather Extremes – all events

Cold spell occuring from December 13 2014 to January 30 2015 at -16.0°S 284.0°E

Download data: JSON

Event type: Cold spell

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

  • Argentina
  • Chile
  • Peru
  • Uruguay

Duration: 49 days

Time span: December 13 2014 to January 30 2015

Statistics over entire affected area:

  • Mean temperature anomaly: -2.6 °C
  • Mean temperature: 17.1 °C
  • Minimum temperature anomaly: -14.2 °C
  • Minimum temperature: -11.4 °C

Event center: -16.0°S 284.0°E

Area affected: 4820276 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_2014-Dec-13_to_2015-Jan-30_284.0_-16.0

Heat wave occuring from January 31 2015 to February 06 2015 at -18.0°S 302.5°E

Download data: JSON

Event type: Heat wave

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

  • Argentina
  • Bolivia
  • Brazil
  • Paraguay
  • Peru

Duration: 7 days

Time span: January 31 2015 to February 06 2015

Statistics over entire affected area:

  • Mean temperature anomaly: 3.1 °C
  • Mean temperature: 30.0 °C
  • Maximum temperature anomaly: 8.0 °C
  • Maximum temperature: 36.0 °C

Event center: -18.0°S 302.5°E

Area affected: 960702 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-Jan-31_to_2015-Feb-06_302.5_-18.0

Heat wave occuring from February 17 2015 to March 27 2015 at 50.5°N 144.5°E

Download data: JSON

Event type: Heat wave

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

  • Belarus
  • Canada
  • Estonia
  • Finland
  • Greenland
  • Japan
  • Kazakhstan
  • Latvia
  • Lithuania
  • Norway
  • Poland
  • Russian Federation
  • Sweden
  • Ukraine

Duration: 39 days

Time span: February 17 2015 to March 27 2015

Statistics over entire affected area:

  • Mean temperature anomaly: 9.8 °C
  • Mean temperature: -7.7 °C
  • Maximum temperature anomaly: 23.8 °C
  • Maximum temperature: 10.5 °C

Event center: 50.5°N 144.5°E

Area affected: 17246311 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-Feb-17_to_2015-Mar-27_144.5_50.5

Cold spell occuring from December 13 2014 to January 04 2015 at -35.5°S 200.5°E

Download data: JSON

Event type: Cold spell

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

  • Fiji

Duration: 23 days

Time span: December 13 2014 to January 04 2015

Statistics over entire affected area:

  • Mean temperature anomaly: -2.0 °C
  • Mean temperature: 18.2 °C
  • Minimum temperature anomaly: -4.0 °C
  • Minimum temperature: 9.5 °C

Event center: -35.5°S 200.5°E

Area affected: 5861521 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_2014-Dec-13_to_2015-Jan-04_200.5_-35.5

Heat wave occuring from January 31 2015 to February 13 2015 at -74.0°S 165.0°E

Download data: JSON

Event type: Heat wave

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

  • Antarctica

Duration: 14 days

Time span: January 31 2015 to February 13 2015

Statistics over entire affected area:

  • Mean temperature anomaly: 6.6 °C
  • Mean temperature: -7.8 °C
  • Maximum temperature anomaly: 10.7 °C
  • Maximum temperature: 0.2 °C

Event center: -74.0°S 165.0°E

Area affected: 1413760 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-Jan-31_to_2015-Feb-13_165.0_-74.0

Cold spell occuring from February 17 2015 to February 23 2015 at 31.5°N 354.5°E

Download data: JSON

Event type: Cold spell

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

  • Algeria
  • Morocco

Duration: 7 days

Time span: February 17 2015 to February 23 2015

Statistics over entire affected area:

  • Mean temperature anomaly: -4.9 °C
  • Mean temperature: 6.3 °C
  • Minimum temperature anomaly: -8.3 °C
  • Minimum temperature: -2.3 °C

Event center: 31.5°N 354.5°E

Area affected: 139823 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-Feb-17_to_2015-Feb-23_354.5_31.5

Heat wave occuring from December 12 2014 to December 24 2014 at 45.0°N 6.5°E

Download data: JSON

Event type: Heat wave

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

  • Austria
  • Bosnia and Herzegovina
  • Croatia
  • Czech Republic
  • France
  • Germany
  • Hungary
  • Italy
  • Poland
  • Slovakia
  • Slovenia
  • Switzerland

Duration: 13 days

Time span: December 12 2014 to December 24 2014

Statistics over entire affected area:

  • Mean temperature anomaly: 5.8 °C
  • Mean temperature: 7.0 °C
  • Maximum temperature anomaly: 12.2 °C
  • Maximum temperature: 16.6 °C

Event center: 45.0°N 6.5°E

Area affected: 669734 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_2014-Dec-12_to_2014-Dec-24_6.5_45.0

Cold spell occuring from January 31 2015 to February 13 2015 at 68.0°N 220.5°E

Download data: JSON

Event type: Cold spell

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

  • Canada
  • United States

Duration: 14 days

Time span: January 31 2015 to February 13 2015

Statistics over entire affected area:

  • Mean temperature anomaly: -13.4 °C
  • Mean temperature: -35.0 °C
  • Minimum temperature anomaly: -25.3 °C
  • Minimum temperature: -48.6 °C

Event center: 68.0°N 220.5°E

Area affected: 1913275 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-Jan-31_to_2015-Feb-13_220.5_68.0

Heat wave occuring from February 16 2015 to February 22 2015 at 8.5°N 34.5°E

Download data: JSON

Event type: Heat wave

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

  • Central African Republic
  • Congo DRC
  • Ethiopia
  • South Sudan
  • Sudan

Duration: 7 days

Time span: February 16 2015 to February 22 2015

Statistics over entire affected area:

  • Mean temperature anomaly: 2.9 °C
  • Mean temperature: 31.3 °C
  • Maximum temperature anomaly: 5.5 °C
  • Maximum temperature: 35.0 °C

Event center: 8.5°N 34.5°E

Area affected: 638725 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-Feb-16_to_2015-Feb-22_34.5_8.5

Cold spell occuring from January 31 2015 to February 11 2015 at 55.0°N 289.0°E

Download data: JSON

Event type: Cold spell

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

  • Canada
  • United States

Duration: 12 days

Time span: January 31 2015 to February 11 2015

Statistics over entire affected area:

  • Mean temperature anomaly: -10.4 °C
  • Mean temperature: -29.6 °C
  • Minimum temperature anomaly: -17.0 °C
  • Minimum temperature: -42.8 °C

Event center: 55.0°N 289.0°E

Area affected: 1934775 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-Jan-31_to_2015-Feb-11_289.0_55.0