Task C – Risk/Vulnerability Assessment Action C.6

Funded by European Union Civil Protection Task C – Risk/Vulnerability assessment Action C.6: Evaluation of socio-economic cost of the impacts of high wind disaster For the Wind Risk prevention project University of Ljubljana Technical University of Dortmund University of Split Municipality of Ajdovščina »With the contribution of the Civil Protection Financial Instrument of the European Union« Chapter C.6 – Evaluation of socio-economic cost of the impacts of high wind disaster Contents Chapter C.6 – Evaluation of socio‐economic cost of the impacts of high wind disaster ..................... 0 1. Introduction ............................................................................................................................ 4 2. Definitions and evaluation model ............................................................................................ 4 3. High wind events assessment in Split area ............................................................................... 7 3.1. Winds in Dalmatia ................................................................................................................... 7 3.1.1. Wind monitoring and alarming ....................................................................................... 8 3.1.2. Observed impacts of wind conditions ............................................................................. 9 4. Evaluation of the specific events in Croatia ............................................................................ 10 4.1. Sirocco in the end of January ................................................................................................. 10 4.1.1. Event situation description ............................................................................................ 10 4.1.2. Wind measurements during event ................................................................................ 12 4.1.3. Social impact of wind disaster ....................................................................................... 17 4.1.4. Economic impact of wind disaster ................................................................................ 19 4.2. The first Bora of March .......................................................................................................... 23 4.2.1. Event situation description ............................................................................................ 23 4.2.2. Wind measurements during event ................................................................................ 24 4.2.3. Social impact of wind disaster ....................................................................................... 30 4.2.4. Economic impact of wind disaster ................................................................................ 31 5. Evaluation of the specific events in Slovenia .......................................................................... 36 5.1. Basic principles of estimating the damage ............................................................................ 36 6. High wind events assessment in Slovenia ............................................................................... 39 6.1. Event situation description on July 13th and 14th 2008 .......................................................... 39 6.1.1. Wind measurements ..................................................................................................... 39 6.1.2. Social impact of wind disaster ....................................................................................... 40 6.1.3. Economic impacts of wind disaster ............................................................................... 44 6.2. Strong bora between January 31st and February 14th 2012 ................................................... 45 6.2.1. Social impact of wind disaster ....................................................................................... 47 6.3. Strong bora in 2012, 2013 and 2014 ..................................................................................... 49 6.3.1. Wind measurements between November 9th and 12th 2013 ........................................ 49 6.3.2. Social impact of bora wind ............................................................................................ 50 6.3.3. Wind measurements between November 23th and December 2nd in 2013 .................. 51 6.3.4. Social impact of bora wind ............................................................................................ 51 6.3.5. Wind measurements between February 5th and 9th in 2015 ......................................... 52 6.3.6. Social impact of wind disaster ....................................................................................... 53 6.4. Economic impact of strong bora 2012 ‐ 2015 ....................................................................... 55 7. Evaluation of Summer Storm Ela in North‐Rhine Westphalia ................................................. 57 1 »With the contribution of the Civil Protection Financial Instrument of the European Union« 7.1. Hazard Description ................................................................................................................ 57 7.1.1. Wind Measurements for Ela ......................................................................................... 57 7.2. Socio‐Economic Impacts of Summer Storm Ela ..................................................................... 59 7.2.1. Population ..................................................................................................................... 60 7.2.2. Infrastructure and Transport ......................................................................................... 62 7.2.3. Buildings ........................................................................................................................ 64 7.2.4. Forests ........................................................................................................................... 64 7.2.5. Other Socio‐Economic Costs ......................................................................................... 67 7.3. Comparison of Socio‐Economic Impacts of Summer Storm Ela with Winter Storm Kyrill ..... 68 8. Conclusions............................................................................................................................ 70 9. Abbreviations and definitions ................................................................................................ 71 10. References ......................................................................................................................... 72 List of Figures Figure 1: Model of evaluation of natural disasters .......................................................................................... 4 Figure 2: Wind‐rose with eight main winds for the Dalmatia County .............................................................. 7 Figure 3: High waves stroke Komiža harbor .................................................................................................. 10 Figure 4: High waves stroke Komiža harbor .................................................................................................. 10 Figure 5: Alert levels for the date of strong Sirocco in January ...................................................................... 11 Figure 6: Wind speed and wind gusts during strong Sirocco in January 2015 ................................................. 16 Figure 8: Destroyed waterfront in Komiža .................................................................................................... 17 Figure 9: Debris from the waterfront destroyed the house wall, two women were injured inside the house . 19 Figure 10: Man trying to save boat near Šibenik ........................................................................................... 20 Figure 11: Flooded waterfront in Vodice ...................................................................................................... 21 Figure 12: Flooded streats in Brodarica near Šibenik .................................................................................... 21 Figure 13: Destroyed waterfront in Rogoznica .............................................................................................. 22 Figure 14: Satellite image of the Rea cyclone taken on 5th of March 2015. ................................................... 23 Figure 15: Wind speed and wind gusts during strong Bora in March 2015 ..................................................... 30 Figure 17: Estimated damage caused by natural disaster – thunderstorm (strong wind)) .............................. 36 Figure 18: Wind measurement at Ljubljana Bežigrad .................................................................................... 40 Figure 19: Damage on primary school Vodice. .............................................................................................. 40 Figure 20: Damaged Kamnik Airport. ........................................................................................................... 43 Figure 21: Synoptic situation ........................................................................................................................ 45 Figure 22: Weather alerts for Slovenia ......................................................................................................... 45 Figure 23: Average wind speed per half an hour and 3‐second moving average wind sped in Ljubljana for time period between January 31st and February 14th in 2012 .......................................................................

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