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CHEHALIS RIVER BASIN FLOOD WARNING SYSTEM OCTOBER 29, 2019 SCOTT - PowerPoint PPT Presentation

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CHEHALIS RIVER BASIN FLOOD WARNING SYSTEM OCTOBER 29, 2019 SCOTT BOETTCHER CHEHALIS RIVER BASIN FLOOD AUTHORITY STAFF DAVID CURTIS WARNING SYSTEM TECHNICAL CONSULTANT 1of 23 December 2007 Photo by Bob Walter THE OREGONIAN/Bruce Ely 2of

  1. CHEHALIS RIVER BASIN FLOOD WARNING SYSTEM OCTOBER 29, 2019 SCOTT BOETTCHER CHEHALIS RIVER BASIN FLOOD AUTHORITY STAFF DAVID CURTIS WARNING SYSTEM TECHNICAL CONSULTANT 1of 23

  2. December 2007 Photo by Bob Walter THE OREGONIAN/Bruce Ely 2of 23

  3. January 2009 http://www.katu.com/news/37243024.html http://www.komonews.com/weather/blogs/scott/37346554.html 3of 23

  4. PROBLEMS/GOALS • IMPROVE RIVER FORECASTING • IMPROVE INFORMATION ACCURACY AND COMMUNICATION • GOAL = NO SURPRISES! 4of 23

  5. DESIGN/BUILD FLOOD WARNING SYSTEM GUIDING PRINCIPLES • COST EFFECTIVE • LEVERAGE EXISTING RESOURCES • IMMEDIATE BENEFITS 5of 23

  6. DESIGN/BUILD INITIAL FLOOD WARNING SYSTEM • IMPROVE ON-THE-GROUND MONITORING NETWORK  8 RAIN/TEMPERATURE STATIONS  2 RAIN/TEMPERATURE/STREAM STATIONS • INTERNET DATA AND WARNING • INUNDATION MAPPING • WWW.CHEHALISRIVERFLOOD.COM 6of 23

  7. NEW BASIN GAGE SITES 7of 23

  8. REPLACE NWS GAGES 8of 23

  9. REPLACE NWS GAGES 9of 23

  10. NEW GAGES THURSTON COUNTY Total Sensors in Chehalis System: 260 10of 23

  11. TOTAL= 89 GAGE SITES 11of 23

  12. NEW WEBCAMS (2019) 12of 23

  13. WWW.CHEHALISRIVERFLOOD.COM 13of 23

  14. EMAIL GAGE ALERTS: RISING RIVER LEVELS 14of 23

  15. EMAIL GAGE ALERTS: SIGN-UPS Current Total = 1037 15of 23

  16. EMAIL GAGE ALERTS: USER SURVEY Gender Device Male Female Desktop Laptop Tablet Smart Phone Purpose Age News gathering Travel concerns Resident Employee safety Elected Official Job Early warning Testing WSDOT EOC Student safety Relatives in Chehalis General Interest Forestry Interests First responder Lewis County Pub Wrks Animal safety 21-30 31-40 41-50 51-60 61-70 71-80 81-90 16of 23

  17. EMAIL GAGE ALERTS: KEY BENEFITS • SITUATIONAL AWARENESS • EMPLOYEE/STAFF SAFETY • RESIDENCE SAFETY • TRAVEL PLANNING 17of 23

  18. EMAIL GAGE ALERTS: SIGN-UP NOW 18of 23

  19. INUNDATION MAPPING No Flood Moderate Action Major Minor Major 19of 23

  20. INUNDATION MAPPING Inundated area at river stage 69.6 ft. 20of 23

  21. GETTING READY FOR 2019-20 FLOOD SEASON • INSTALL 3 RD WEBCAM AT SATSOP RIVER MONTE-ELMA BRIDGE • IMPLEMENT OUTREACH CAMPAIGN o SCHOOLS o CHURCHES o UTILITY MAILERS • CONSIDER TRAINING WEBINAR IN NOVEMBER 21of 23

  22. ON THE RIGHT TRACK 22of 23

  23. THANK YOU! SCOTT BOETTCHER CHEHALIS RIVER BASIN FLOOD AUTHORITY STAFF 360/480-6600 SCOTTB@SBGH-PARTNERS.COM DAVID CURTIS WARNING SYSTEM TECHNICAL CONSULTANT 916/932-7402 DCURTIS@WESTCONSULTANTS.COM BE AWARE, BE PREPARED 23of 23

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