Category: Weather Extremes – all events

Cold spell occuring from March 22 2011 to April 02 2011 at 44.5°N 271.5°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: March 22 2011 to April 02 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -8.1 °C
  • Mean temperature: -6.9 °C
  • Minimum temperature anomaly: -14.1 °C
  • Minimum temperature: -25.7 °C

Event center: 44.5°N 271.5°E

Area affected: 2692399 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-Mar-22_to_2011-Apr-02_271.5_44.5

Cold spell occuring from March 22 2011 to April 04 2011 at -7.0°S 106.5°E

Download data: JSON

Event type: Cold spell

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

  • Indonesia

Duration: 14 days

Time span: March 22 2011 to April 04 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -1.1 °C
  • Mean temperature: 25.5 °C
  • Minimum temperature anomaly: -1.9 °C
  • Minimum temperature: 22.9 °C

Event center: -7.0°S 106.5°E

Area affected: 52084 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-Mar-22_to_2011-Apr-04_106.5_-7.0

Cold spell occuring from March 22 2011 to March 26 2011 at -29.5°S 141.0°E

Download data: JSON

Event type: Cold spell

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

  • Australia

Duration: 5 days

Time span: March 22 2011 to March 26 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -6.2 °C
  • Mean temperature: 18.0 °C
  • Minimum temperature anomaly: -7.6 °C
  • Minimum temperature: 15.5 °C

Event center: -29.5°S 141.0°E

Area affected: 80209 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-Mar-22_to_2011-Mar-26_141.0_-29.5

Heat wave occuring from March 21 2011 to March 24 2011 at 54.0°N 359.5°E

Download data: JSON

Event type: Heat wave

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

  • United Kingdom

Duration: 4 days

Time span: March 21 2011 to March 24 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 3.6 °C
  • Mean temperature: 9.2 °C
  • Maximum temperature anomaly: 5.1 °C
  • Maximum temperature: 11.6 °C

Event center: 54.0°N 359.5°E

Area affected: 64066 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-Mar-21_to_2011-Mar-24_359.5_54.0

Heat wave occuring from March 21 2011 to April 26 2011 at 5.0°N 38.0°E

Download data: JSON

Event type: Heat wave

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

  • Ethiopia
  • Kenya
  • Somalia
  • South Sudan
  • Tanzania
  • Uganda

Duration: 37 days

Time span: March 21 2011 to April 26 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 2.7 °C
  • Mean temperature: 26.6 °C
  • Maximum temperature anomaly: 4.8 °C
  • Maximum temperature: 34.8 °C

Event center: 5.0°N 38.0°E

Area affected: 947432 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-Mar-21_to_2011-Apr-26_38.0_5.0

Heat wave occuring from March 21 2011 to March 26 2011 at 28.0°N 59.5°E

Download data: JSON

Event type: Heat wave

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

  • Afghanistan
  • Iran
  • Pakistan

Duration: 6 days

Time span: March 21 2011 to March 26 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 5.0 °C
  • Mean temperature: 24.3 °C
  • Maximum temperature anomaly: 7.8 °C
  • Maximum temperature: 31.4 °C

Event center: 28.0°N 59.5°E

Area affected: 274212 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-Mar-21_to_2011-Mar-26_59.5_28.0

Cold spell occuring from March 21 2011 to April 04 2011 at -5.0°S 119.5°E

Download data: JSON

Event type: Cold spell

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

  • Indonesia

Duration: 15 days

Time span: March 21 2011 to April 04 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -1.1 °C
  • Mean temperature: 26.1 °C
  • Minimum temperature anomaly: -1.9 °C
  • Minimum temperature: 24.4 °C

Event center: -5.0°S 119.5°E

Area affected: 169386 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-Mar-21_to_2011-Apr-04_119.5_-5.0

Heat wave occuring from March 20 2011 to March 24 2011 at 24.5°N 99.0°E

Download data: JSON

Event type: Heat wave

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

  • China
  • Myanmar

Duration: 5 days

Time span: March 20 2011 to March 24 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 3.0 °C
  • Mean temperature: 20.7 °C
  • Maximum temperature anomaly: 5.1 °C
  • Maximum temperature: 30.4 °C

Event center: 24.5°N 99.0°E

Area affected: 64542 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-Mar-20_to_2011-Mar-24_99.0_24.5

Heat wave occuring from March 20 2011 to April 07 2011 at -26.0°S 109.5°E

Download data: JSON

Event type: Heat wave

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

  • Australia

Duration: 19 days

Time span: March 20 2011 to April 07 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 2.5 °C
  • Mean temperature: 19.7 °C
  • Maximum temperature anomaly: 6.9 °C
  • Maximum temperature: 32.4 °C

Event center: -26.0°S 109.5°E

Area affected: 9293892 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-Mar-20_to_2011-Apr-07_109.5_-26.0

Cold spell occuring from March 20 2011 to March 30 2011 at 69.5°N 6.5°E

Download data: JSON

Event type: Cold spell

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

  • Norway

Duration: 11 days

Time span: March 20 2011 to March 30 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -4.9 °C
  • Mean temperature: -5.1 °C
  • Minimum temperature anomaly: -8.4 °C
  • Minimum temperature: -15.6 °C

Event center: 69.5°N 6.5°E

Area affected: 933608 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-Mar-20_to_2011-Mar-30_6.5_69.5