Category: Extremes affecting Algeria

Heat wave occuring from November 16 2011 to November 20 2011 at 22.0°N 356.5°E

Download data: JSON

Event type: Heat wave

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

  • Algeria
  • Mali

Duration: 5 days

Time span: November 16 2011 to November 20 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 3.6 °C
  • Mean temperature: 25.1 °C
  • Maximum temperature anomaly: 4.3 °C
  • Maximum temperature: 26.9 °C

Event center: 22.0°N 356.5°E

Area affected: 62844 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-Nov-16_to_2011-Nov-20_356.5_22.0

Heat wave occuring from November 10 2011 to November 14 2011 at 41.0°N 3.0°E

Download data: JSON

Event type: Heat wave

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

  • Algeria
  • Morocco
  • Spain

Duration: 5 days

Time span: November 10 2011 to November 14 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 2.6 °C
  • Mean temperature: 19.1 °C
  • Maximum temperature anomaly: 5.4 °C
  • Maximum temperature: 20.7 °C

Event center: 41.0°N 3.0°E

Area affected: 131631 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-Nov-10_to_2011-Nov-14_3.0_41.0

Cold spell occuring from November 04 2011 to November 09 2011 at 32.0°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: 6 days

Time span: November 04 2011 to November 09 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -4.0 °C
  • Mean temperature: 11.7 °C
  • Minimum temperature anomaly: -8.4 °C
  • Minimum temperature: 0.1 °C

Event center: 32.0°N 354.5°E

Area affected: 267374 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-Nov-04_to_2011-Nov-09_354.5_32.0

Heat wave occuring from October 26 2011 to October 31 2011 at 25.0°N 8.5°E

Download data: JSON

Event type: Heat wave

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

  • Algeria
  • Libya

Duration: 6 days

Time span: October 26 2011 to October 31 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 3.8 °C
  • Mean temperature: 25.0 °C
  • Maximum temperature anomaly: 6.2 °C
  • Maximum temperature: 29.4 °C

Event center: 25.0°N 8.5°E

Area affected: 70167 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-26_to_2011-Oct-31_8.5_25.0

Cold spell occuring from October 24 2011 to October 27 2011 at 26.5°N 3.0°E

Download data: JSON

Event type: Cold spell

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

  • Algeria

Duration: 4 days

Time span: October 24 2011 to October 27 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -4.5 °C
  • Mean temperature: 22.3 °C
  • Minimum temperature anomaly: -6.5 °C
  • Minimum temperature: 20.3 °C

Event center: 26.5°N 3.0°E

Area affected: 131046 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-24_to_2011-Oct-27_3.0_26.5

Heat wave occuring from September 29 2011 to October 04 2011 at 27.5°N 352.5°E

Download data: JSON

Event type: Heat wave

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

  • Algeria
  • Mauritania
  • Morocco

Duration: 6 days

Time span: September 29 2011 to October 04 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 4.3 °C
  • Mean temperature: 32.2 °C
  • Maximum temperature anomaly: 6.0 °C
  • Maximum temperature: 34.6 °C

Event center: 27.5°N 352.5°E

Area affected: 225755 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-Sep-29_to_2011-Oct-04_352.5_27.5

Cold spell occuring from September 29 2011 to October 25 2011 at 28.0°N 13.5°E

Download data: JSON

Event type: Cold spell

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

  • Albania
  • Algeria
  • Austria
  • Bahrain
  • Belarus
  • Bosnia and Herzegovina
  • Bulgaria
  • Chad
  • Croatia
  • Cyprus
  • Egypt
  • Georgia
  • Greece
  • Hungary
  • Iran
  • Iraq
  • Italy
  • Kuwait
  • Libya
  • Mali
  • Mauritania
  • Moldova
  • Montenegro
  • Niger
  • North Macedonia
  • Poland
  • Romania
  • Saudi Arabia
  • Serbia
  • Slovakia
  • Slovenia
  • Sudan
  • Syria
  • Tunisia
  • Turkiye
  • Ukraine

Duration: 27 days

Time span: September 29 2011 to October 25 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -4.7 °C
  • Mean temperature: 17.4 °C
  • Minimum temperature anomaly: -11.5 °C
  • Minimum temperature: -3.7 °C

Event center: 28.0°N 13.5°E

Area affected: 9904325 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-Sep-29_to_2011-Oct-25_13.5_28.0

Heat wave occuring from September 06 2011 to September 27 2011 at 29.0°N 354.5°E

Download data: JSON

Event type: Heat wave

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

  • Algeria
  • Mali
  • Mauritania
  • Morocco
  • Tunisia

Duration: 22 days

Time span: September 06 2011 to September 27 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 4.2 °C
  • Mean temperature: 32.6 °C
  • Maximum temperature anomaly: 9.2 °C
  • Maximum temperature: 38.3 °C

Event center: 29.0°N 354.5°E

Area affected: 1546264 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-Sep-06_to_2011-Sep-27_354.5_29.0

Heat wave occuring from August 31 2011 to September 06 2011 at 32.5°N 13.0°E

Download data: JSON

Event type: Heat wave

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

  • Algeria
  • Libya
  • Tunisia

Duration: 7 days

Time span: August 31 2011 to September 06 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 3.9 °C
  • Mean temperature: 36.5 °C
  • Maximum temperature anomaly: 7.9 °C
  • Maximum temperature: 40.5 °C

Event center: 32.5°N 13.0°E

Area affected: 667092 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-Aug-31_to_2011-Sep-06_13.0_32.5

Cold spell occuring from August 22 2011 to September 05 2011 at 49.5°N 350.0°E

Download data: JSON

Event type: Cold spell

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

  • Algeria
  • France
  • Ireland
  • Morocco
  • Portugal
  • Spain
  • United Kingdom

Duration: 15 days

Time span: August 22 2011 to September 05 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -2.3 °C
  • Mean temperature: 16.5 °C
  • Minimum temperature anomaly: -7.8 °C
  • Minimum temperature: 9.8 °C

Event center: 49.5°N 350.0°E

Area affected: 2028060 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-Aug-22_to_2011-Sep-05_350.0_49.5