Elena CRISTOFORI Adriana ALBANESE - NASA Arset · Elena CRISTOFORI (1,2), Adriana ALBANESE (1,3),...
Transcript of Elena CRISTOFORI Adriana ALBANESE - NASA Arset · Elena CRISTOFORI (1,2), Adriana ALBANESE (1,3),...
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Elena CRISTOFORI (1,2), Adriana ALBANESE (1,3), (1) ITHACA - Information Technology for Humanitarian Assistance, Cooperation and
Action, Torino, Italy (2) Politecnico di Torino, Torino, Italy
(3) World Food Programme (WFP) - Emergency Preparedness and Response Branch (OMEP), Roma, Italy,
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1. ITHACA overview 2. ERDS Aim and Datasets 3. ERDS live demo 4. Case studies 5. ERDS operational applications
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INFORMATION TECHNOLOGY FOR HUMANITARIAN ASSISTANCE, COOPERATION AND ACTION
Higher Institute on Territorial Systems for Innovation
Non-profit association
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Provide scientific analysis and services to the WFP and the broader humanitarian community in support of environmental emergencies for disaster preparedness and response
1. remote sensing
2. hydrology
3. meteorology
4. cartography
5. GIS
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Meteorological hazards are increasing in frequency and in damage potential
Early Warning Systems are not often publicly available especially in developing countries
Monitoring and forecasting of severe weather events allow more effective emergency preparedness and response
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The Extreme Rainfall Detection System (ERDS) is a service aimed at providing timely and easy to understand alerts related to exceptional rainfalls and potential flood events at global scale.
1. Tropical Rainfall Measuring Mission (TRMM) Multisatellite Precipitation Analysis (TMPA) necessary for the near-real time detection of heavy rainfall (0.25° spatial resolution)
2. NOAA-GFS (Global Forecast System) deterministic model necessary for forecasted precipitation alerts
(0.5° spatial resolution)
OPEN SOURCE DATA
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Automatic procedure for the:
1. calculation of accumulated rainfall
2. correction of rainfall thresholds with climatological coefficients
3. identification of alerts using climatological rainfall thresholds
4. dissemination of alerts through an open-source WebGIS application
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Alert Layers:
near-real time and
forecasting alerts.
Three different alert levels can be visualized, based on a specific cumulated
rainfall threshold, defined as the amount of precipitation for a given duration over a
specific climatic area
Dynamic table showing affected countries and affected population, which is automatically updated in accordance with the selected Alert Layer. Countries are ordered from the most affected to the less affected (in terms of population).
http://erds2.ithacaweb.org/
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ERDS application: http://erds2.ithacaweb.org/
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TRMM 24h accumulated rainfall
Rainfall brought by TD ZORAIDA
Isolated but heavy thunderstorms over central Ethiopia and southern Somalia
Heavy rainfall over south-western Turkey
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TRMM 24h heavy rainfall alerts
Moderate to heavy alerts over south-eastern Vietnam due to past 24h rainfall
Low to moderate alerts over central Ethiopia and southern Somalia due to past 24h rainfall
Low to moderate alerts over south-western Turkey due to past 24h rainfall
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TRMM 7 days heavy rainfall alerts
No specific issues based on 7 days accumulated rainfall
Moderate to heavy alerts over northern and eastern Somalia due to effects of Cyclone THREE
No specific issues based on 7 days accumulated rainfall
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GFS 24h forecasted rainfall alerts
24h forecasted rainfall alerts due to TD ZORAIDA
Moderate to heavy showers/thunderstorms over central Ethiopia
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GFS 3 days forecasted rainfall alerts
3 days forecasted rainfall alerts due to TD ZORAIDA
Low risk of heavy rainfall over central Ethiopia during following 3 days
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GFS 6 days forecasted rainfall alerts
6 days forecasted rainfall alerts due to TD ZORAIDA
Low risk of heavy rainfall over central Ethiopia during following 6 days
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October 9, 2013 GFS Forecasted accumulated rainfall for the next 6 days
Following layers have been downloaded from ERDS web-site as shape-files: -24h GFS forecast -24h GFS alerts -3 days GFS alerts -6 days GFS alerts
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October 10, 2013 Alert map by administrative districts
Making an INTERSECTION of downloaded shape-files with administrative districts layers a warning map has been produced and disseminated to end-users
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The same procedure has been applied on October 11th producing a warning map based on 3 days accumulated GFS alerts. Also the track of the cyclone, downloaded from JTWC, has been superposed to the alerted districts
October 11, 2013 Alert on administrative districts + cyclone track Post-event map
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ü Flood event: 14-23 January 2013 ü Analysis of archived TRMM and GFS cumulated rainfall
ü Aggregation of near-real time and forecasted rainfall over the same areas
ü Effective alert dissemination using reference data-sets
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TRMM – 7days GFS – 3days TRMM+GFS Integration of alerts: persistency of rainfall assessment Near-real time alerts Forecasted alerts
Aggregation of near-real time and forecasted rainfall over the same areas
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Rainfall alerts
Providing analysis capabilities for the event magnitude and vulnerability assessment.
Intersection with main
watercourses
Alerts in flood-prone areas
Population vulnerability in flood-prone areas
High risk area
Flood scenario
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November 9, 2013 Alerts for the next 24h
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November 9, 2013 Alerts for the next 24h
Alerts for next 3 days
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November 11, 2013
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Piero Boccardo – ITHACA Director
Simone Dalmasso – ERDS development
Paolo Pasquali – ERDS front-end development
Simone Balbo - ERDS back-end development
Eros Agosto - ERDS back-end development
Federico Cuatto - ERDS development support
Andrea Ajmar – Database administrator
Walther Camaro – Data analyst
To contact the ITHACA Early Warning Team: [email protected]
ERDS application:
http://erds2.ithacaweb.org/
ERDS would not have been available without the help of: