Category: Extremes affecting Algeria

Cold spell occuring from April 29 2011 to May 03 2011 at 30.0°N 353.5°E

Download data: JSON

Event type: Cold spell

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

  • Algeria
  • Morocco

Duration: 5 days

Time span: April 29 2011 to May 03 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -6.2 °C
  • Mean temperature: 17.3 °C
  • Minimum temperature anomaly: -10.3 °C
  • Minimum temperature: 2.2 °C

Event center: 30.0°N 353.5°E

Area affected: 295291 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-Apr-29_to_2011-May-03_353.5_30.0

Cold spell occuring from April 22 2011 to April 27 2011 at 32.0°N 356.5°E

Download data: JSON

Event type: Cold spell

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

  • Algeria
  • Morocco

Duration: 6 days

Time span: April 22 2011 to April 27 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -5.5 °C
  • Mean temperature: 15.5 °C
  • Minimum temperature anomaly: -7.2 °C
  • Minimum temperature: 9.8 °C

Event center: 32.0°N 356.5°E

Area affected: 160765 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-Apr-22_to_2011-Apr-27_356.5_32.0

Cold spell occuring from April 21 2011 to April 24 2011 at 30.0°N 352.0°E

Download data: JSON

Event type: Cold spell

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

  • Algeria
  • Mauritania
  • Morocco

Duration: 4 days

Time span: April 21 2011 to April 24 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -4.9 °C
  • Mean temperature: 17.3 °C
  • Minimum temperature anomaly: -7.2 °C
  • Minimum temperature: 8.6 °C

Event center: 30.0°N 352.0°E

Area affected: 73184 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-Apr-21_to_2011-Apr-24_352.0_30.0

Heat wave occuring from April 20 2011 to April 26 2011 at 20.5°N 10.0°E

Download data: JSON

Event type: Heat wave

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

  • Algeria
  • Niger

Duration: 7 days

Time span: April 20 2011 to April 26 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 3.9 °C
  • Mean temperature: 33.5 °C
  • Maximum temperature anomaly: 6.1 °C
  • Maximum temperature: 36.2 °C

Event center: 20.5°N 10.0°E

Area affected: 221536 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-Apr-20_to_2011-Apr-26_10.0_20.5

Heat wave occuring from April 15 2011 to April 17 2011 at 31.5°N 0.5°E

Download data: JSON

Event type: Heat wave

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

  • Algeria

Duration: 3 days

Time span: April 15 2011 to April 17 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 5.0 °C
  • Mean temperature: 25.9 °C
  • Maximum temperature anomaly: 5.7 °C
  • Maximum temperature: 27.2 °C

Event center: 31.5°N 0.5°E

Area affected: 50214 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-Apr-15_to_2011-Apr-17_0.5_31.5

Cold spell occuring from April 07 2011 to April 12 2011 at 15.0°N 7.5°E

Download data: JSON

Event type: Cold spell

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

  • Algeria
  • Libya
  • Niger

Duration: 6 days

Time span: April 07 2011 to April 12 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -5.2 °C
  • Mean temperature: 23.4 °C
  • Minimum temperature anomaly: -7.7 °C
  • Minimum temperature: 15.4 °C

Event center: 15.0°N 7.5°E

Area affected: 642904 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-Apr-07_to_2011-Apr-12_7.5_15.0

Cold spell occuring from April 01 2011 to April 05 2011 at 19.0°N 9.0°E

Download data: JSON

Event type: Cold spell

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

  • Algeria
  • Libya
  • Niger

Duration: 5 days

Time span: April 01 2011 to April 05 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -5.1 °C
  • Mean temperature: 20.2 °C
  • Minimum temperature anomaly: -7.6 °C
  • Minimum temperature: 12.6 °C

Event center: 19.0°N 9.0°E

Area affected: 413712 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-Apr-01_to_2011-Apr-05_9.0_19.0

Heat wave occuring from March 30 2011 to April 24 2011 at 42.5°N 1.5°E

Download data: JSON

Event type: Heat wave

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

  • Albania
  • Algeria
  • Andorra
  • Austria
  • Bosnia and Herzegovina
  • Burkina Faso
  • Canarias
  • Croatia
  • Czech Republic
  • Denmark
  • France
  • Germany
  • Hungary
  • Ireland
  • Italy
  • Luxembourg
  • Mali
  • Mauritania
  • Montenegro
  • Morocco
  • Niger
  • Poland
  • Portugal
  • Slovenia
  • Spain
  • Switzerland
  • Tunisia
  • United Kingdom

Duration: 26 days

Time span: March 30 2011 to April 24 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 3.8 °C
  • Mean temperature: 18.0 °C
  • Maximum temperature anomaly: 11.4 °C
  • Maximum temperature: 38.9 °C

Event center: 42.5°N 361.5°E

Area affected: 8959975 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-30_to_2011-Apr-24_1.5_42.5

Heat wave occuring from March 01 2011 to March 20 2011 at 21.0°N 6.0°E

Download data: JSON

Event type: Heat wave

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

  • Albania
  • Algeria
  • Burkina Faso
  • Cameroon
  • Chad
  • Ghana
  • Greece
  • Guinea
  • Italy
  • Libya
  • Mali
  • Mauritania
  • Niger
  • Nigeria
  • North Macedonia

Duration: 20 days

Time span: March 01 2011 to March 20 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 5.3 °C
  • Mean temperature: 28.6 °C
  • Maximum temperature anomaly: 12.5 °C
  • Maximum temperature: 35.7 °C

Event center: 21.0°N 6.0°E

Area affected: 5064525 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-01_to_2011-Mar-20_6.0_21.0

Cold spell occuring from March 01 2011 to March 18 2011 at 33.5°N 335.5°E

Download data: JSON

Event type: Cold spell

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

  • Algeria
  • Azores
  • Canarias
  • Faroe Islands
  • Greenland
  • Iceland
  • Ireland
  • Madeira
  • Mali
  • Mauritania
  • Morocco
  • United Kingdom

Duration: 18 days

Time span: March 01 2011 to March 18 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -3.6 °C
  • Mean temperature: 7.1 °C
  • Minimum temperature anomaly: -15.6 °C
  • Minimum temperature: -47.3 °C

Event center: 33.5°N 335.5°E

Area affected: 9945656 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-01_to_2011-Mar-18_335.5_33.5