Category: Extremes affecting New Zealand

Cold spell occuring from March 01 2012 to March 06 2012 at -38.0°S 177.0°E

Download data: JSON

Event type: Cold spell

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

  • New Zealand

Duration: 6 days

Time span: March 01 2012 to March 06 2012

Statistics over entire affected area:

  • Mean temperature anomaly: -2.5 °C
  • Mean temperature: 16.6 °C
  • Minimum temperature anomaly: -7.6 °C
  • Minimum temperature: 2.2 °C

Event center: -38.0°S 177.0°E

Area affected: 797448 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-Mar-01_to_2012-Mar-06_177.0_-38.0

Cold spell occuring from February 29 2012 to March 02 2012 at -42.5°S 164.0°E

Download data: JSON

Event type: Cold spell

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

  • New Zealand

Duration: 3 days

Time span: February 29 2012 to March 02 2012

Statistics over entire affected area:

  • Mean temperature anomaly: -2.2 °C
  • Mean temperature: 11.4 °C
  • Minimum temperature anomaly: -3.9 °C
  • Minimum temperature: 6.9 °C

Event center: -42.5°S 164.0°E

Area affected: 296306 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-Feb-29_to_2012-Mar-02_164.0_-42.5

Cold spell occuring from February 09 2012 to March 07 2012 at -16.0°S 174.0°E

Download data: JSON

Event type: Cold spell

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

  • Fiji
  • New Zealand
  • Samoa
  • Solomon Islands
  • Vanuatu

Duration: 28 days

Time span: February 09 2012 to March 07 2012

Statistics over entire affected area:

  • Mean temperature anomaly: -1.5 °C
  • Mean temperature: 24.4 °C
  • Minimum temperature anomaly: -6.2 °C
  • Minimum temperature: 9.0 °C

Event center: -16.0°S 174.0°E

Area affected: 8686985 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-Feb-09_to_2012-Mar-07_174.0_-16.0

Cold spell occuring from January 24 2012 to February 17 2012 at -33.0°S 188.0°E

Download data: JSON

Event type: Cold spell

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

  • New Zealand

Duration: 25 days

Time span: January 24 2012 to February 17 2012

Statistics over entire affected area:

  • Mean temperature anomaly: -2.0 °C
  • Mean temperature: 19.4 °C
  • Minimum temperature anomaly: -3.2 °C
  • Minimum temperature: 9.9 °C

Event center: -33.0°S 188.0°E

Area affected: 6590860 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-Jan-24_to_2012-Feb-17_188.0_-33.0

Cold spell occuring from January 22 2012 to January 24 2012 at -39.5°S 175.5°E

Download data: JSON

Event type: Cold spell

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

  • New Zealand

Duration: 3 days

Time span: January 22 2012 to January 24 2012

Statistics over entire affected area:

  • Mean temperature anomaly: -2.9 °C
  • Mean temperature: 13.4 °C
  • Minimum temperature anomaly: -6.4 °C
  • Minimum temperature: 8.9 °C

Event center: -39.5°S 175.5°E

Area affected: 126103 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-Jan-22_to_2012-Jan-24_175.5_-39.5

Heat wave occuring from December 28 2011 to December 31 2011 at -35.5°S 173.0°E

Download data: JSON

Event type: Heat wave

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

  • New Zealand

Duration: 4 days

Time span: December 28 2011 to December 31 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 1.5 °C
  • Mean temperature: 19.7 °C
  • Maximum temperature anomaly: 2.2 °C
  • Maximum temperature: 20.8 °C

Event center: -35.5°S 173.0°E

Area affected: 60022 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_2011-Dec-28_to_2011-Dec-31_173.0_-35.5

Heat wave occuring from December 20 2011 to January 01 2012 at -44.0°S 168.0°E

Download data: JSON

Event type: Heat wave

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

  • New Zealand

Duration: 13 days

Time span: December 20 2011 to January 01 2012

Statistics over entire affected area:

  • Mean temperature anomaly: 2.4 °C
  • Mean temperature: 16.3 °C
  • Maximum temperature anomaly: 4.6 °C
  • Maximum temperature: 18.4 °C

Event center: -44.0°S 168.0°E

Area affected: 309181 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_2011-Dec-20_to_2012-Jan-01_168.0_-44.0

Cold spell occuring from December 16 2011 to December 20 2011 at -38.5°S 177.5°E

Download data: JSON

Event type: Cold spell

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

  • New Zealand

Duration: 5 days

Time span: December 16 2011 to December 20 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -3.6 °C
  • Mean temperature: 11.9 °C
  • Minimum temperature anomaly: -6.7 °C
  • Minimum temperature: 5.4 °C

Event center: -38.5°S 177.5°E

Area affected: 154756 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_2011-Dec-16_to_2011-Dec-20_177.5_-38.5

Heat wave occuring from October 25 2011 to November 08 2011 at -23.0°S 187.5°E

Download data: JSON

Event type: Heat wave

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

  • Fiji
  • New Zealand

Duration: 15 days

Time span: October 25 2011 to November 08 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 1.8 °C
  • Mean temperature: 19.9 °C
  • Maximum temperature anomaly: 3.2 °C
  • Maximum temperature: 29.1 °C

Event center: -23.0°S 187.5°E

Area affected: 4272140 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_2011-Oct-25_to_2011-Nov-08_187.5_-23.0

Cold spell occuring from October 19 2011 to November 12 2011 at -61.0°S 122.5°E

Download data: JSON

Event type: Cold spell

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

  • Antarctica
  • New Zealand

Duration: 25 days

Time span: October 19 2011 to November 12 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -4.7 °C
  • Mean temperature: -10.8 °C
  • Minimum temperature anomaly: -12.7 °C
  • Minimum temperature: -48.4 °C

Event center: -61.0°S 122.5°E

Area affected: 8409301 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_2011-Oct-19_to_2011-Nov-12_122.5_-61.0