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Alberta Environment’s River Forecast Centre Presentation to the UNSTABLE Workshop

Alberta Environment’s River Forecast Centre Presentation to the UNSTABLE Workshop Edmonton, Alberta April 18, 2007 Ray Keller Team Leader, Flow Forecasting Water Management Operations. North Saskatchewan River at Edmonton – June 2005. What River Forecasting Does.

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Alberta Environment’s River Forecast Centre Presentation to the UNSTABLE Workshop

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  1. Alberta Environment’s River Forecast Centre Presentation to the UNSTABLE Workshop Edmonton, Alberta April 18, 2007 Ray Keller Team Leader, Flow Forecasting Water Management Operations North Saskatchewan River at Edmonton – June 2005

  2. What River Forecasting Does • Real-time monitoring and reporting • Water Management • Infrastructure Management • Water Supply Forecasting • Flood Forecasting

  3. 1. What do we monitor and report? Real-time data • Stream levels and flows • Lake and reservoir levels • Precipitation • Snowpack • Temperature, wind, humidity • Water quality

  4. Data Networks • Over 350 Hydrometric Stations (Water Levels/Flows) • Over 420 Meteorologic Stations • (AENV, EC, AAFRD, TransAlta, SRD) • 117 Snow Course Locations • 15Automated Snow Pillows Most stations (except snow courses) report hourly data Currently takes two man days per day to QA/QC real-time data

  5. Real-time Hydrometric Stations • Over 350 currently • Stream, lake, reservoir levels • Satellite/phone links

  6. Real-time Meteorological Stations ~ 218 Federal and Provincial Hourly Data • Precipitation • Temperature • Relative humidity • Wind speed

  7. Forestry Meteorological Stations • ~ 190stations • Mostly in north • Most report 2x-daily • Some report 1x-daily

  8. 46 Mountain Snow Course Sites 71 Plains

  9. Snow Pillows • 13Mountain Sites • (new site at South Esk) • 3Plains Area Sites • (new site in Swan Hills) USES • Snow-on-ground • Snow / Rain indicators • Melt rates

  10. How can UNSTABLE help? • Variety of Flood Conditions • Snowmelt • Plains - March - April • Only smaller streams affected (Paddle, Battle, Vermilion, etc) • Ice jams • Mountains - May - July • No flooding of major rivers by mountain snowmelt alone • Rainfall • Affects all rivers in Alberta • Flooding along major rivers is caused by heavy rainfall or heavy rainfall during mountain snowmelt Oldman River at Lethbridge – June 2005

  11. Contributions to UNSTABLE • Current meteorological sites in area • Proposed new sites for 2008 (approx. location)

  12. Opportunities • Alberta Environment will share all data in area • Opportunity to put additional sensors at existing locations if required • Very interested in results of study • AENV is heavily reliant on accurate weather forecasting for their functions

  13. Questions? Near Barrhead – March 2007

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