Cusco heavy rainfall

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The unusual rainfall and floods in Cusco-Peru, during January, 2010 is described.

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  • Cusco heavy rainfall

    1. 1. SERVICIO NACIONAL DE METEOROLOGIA E HIDROLOGIA SENAMHI ABRIL, 2010 Analysis of extreme rainfall in Cusco in Summer 2010 Ing. Jorge Chira La Rosa [email_address] PERÚ Ministerio del Ambiente Servicio Nacional de Meteorología e Hidrología - SENAMHI
    2. 2. <ul><li>Introduction </li></ul><ul><li>Analysis of the rainfall episode </li></ul><ul><li>Conclusions </li></ul><ul><li>Recommendations </li></ul>SUMMARY PERÚ Ministerio del Ambiente Servicio Nacional de Meteorología e Hidrología - SENAMHI
    3. 3. An extreme precipitation event that affected almost all south highland of Peru is investigated. This event caused very strong socioeconomic impacts in the Cusco region. The outstanding event of 22–24 January 2010 was connected to a strong south-esterly flow, probably caused by a intensity of South Atlantic convergence zone that persisted for several days and brought unusually large levels of moisture to the South Peru . INTRODUCTION PERÚ Ministerio del Ambiente Servicio Nacional de Meteorología e Hidrología - SENAMHI
    4. 4. Satellite Pictures-TERRA-Modis January 21, 2010 Source: INPE/CPTEC/BRASIL
    5. 5. Pictures Animation-GOES Satélite January 21-25, 2010 Source: INPE/CPTEC/BRASIL
    6. 6. Study Area The city of Cusco is located at the central and south-eastern zone of Peru, Near Cusco is Vilcanota/Urubamba River valley. located about 10 miles north of Cusco Peru, and extends northwest through Pisac and Ollantaytambo cities. Manned weather stations in Cusco. Just three automatic weather stations in this place.
    7. 7. Rainfall Distributión Vilcanota River Basin Source: DCL/SENAMHI The rainfall incress between January 21-25 along the basin. High Basin Low Basin Medium Basin
    8. 8. Historical Rainfall in January Pisac-Cusco The picture shows a high amount of rainfall in january, 2010
    9. 9. Strong flow of Vilcanota river in Pisac, Cusco with 327 m3/s top exceed its historical values. Strong Flow of Vilcanota River of Cusco
    10. 10. Source: Civil Defense Institute Rainfall Impacts in South Peru
    11. 11. Source: Red Cross Flood Impacts in South Peru
    12. 12. Flood Impacts in Cusco city
    13. 13. Damage caused by floods in Cusco Source: EL COMERCIO Newspaper ( February 08, 2010) Deads 9 Injured people 10 Homes affected 10.325 Schools afected 35 Medical center affected 06 People affected 21.393 Losses 4 Homes destroyed 4.828 Schools destroyed 9 Medical center destroyed 02 Churchs affected 15 Public places affected 143 (losas, parques, estadios y otros) Losses (millions de US dolars) 250 Destroys railroads 6,15 km Affected railroads 2,45 km Asphalt roads destroyed 18 km Unpaved Road destroyed 11 km Track roads destroyed 56 km Track bridges destroyed 21 Track bridges affected 30 Fallen street light 477 Losen water intake 86 Farms destroyed (Ha) 16.281 Farms Affected (Ha) 10.950
    14. 14. | WARNING ISSUE
    15. 15. This figure shows the CLIMATE OUTLOOK issued to media, decision makers and stakholders before event Climate Forecast of Rainfall December 2009- February 2010 Extreme rainfall
    16. 16. <ul><li>During January 2010 heavy rainfall affected south Peru, increase of river and floods in Cusco, especially in Pisac city. </li></ul><ul><li>We observe incress activity of South Atlantic convergence zone that persisted for several days and brought unusually large levels of moisture to the South Peru. </li></ul><ul><li>The good cooperation between SENAMHI, Civil Defense Institute and Economy Ministry, lead to finance one automatic weather station loosen during this unusual floods. </li></ul><ul><li>At this moment there are a project supported by national government to deploy 12 automatic weather station in that place. This project was designed before this event. </li></ul>CONCLUSIONS
    17. 17. <ul><li>To establish an Early Warning System is neccesary in Cusco region, to warning the population by natural disaster. </li></ul><ul><li>To strengthen the capacity of local civil defense teams and organizations is necesary. </li></ul><ul><li>To organize the population is requerid to improve the emergency management. </li></ul><ul><li>Disaster Risk Management Specialists is necesary in order to manage the emergency and prevent future risks. </li></ul>RECOMMENDATIONS

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