1. CBRFC May 2009 Water Supply Webinar 1pm MDT, May 7, 2009 Brent Bernard These slides: www.cbrfc.noaa.gov/present/present.cgi

2. Outline April Weather Review Snow States Current Weather, Climate & Forecasts Water Supply Forecasts Web Reference: www.cbrfc.noaa.gov/wsup/pub2/map/html/cbrfc.5.2009.html

3. Web Reference: http://www.cbrfc.noaa.gov/precip/qpe/mapsum/mapsum.cgi??cbrfc?M?2009?02

4. Current Snow Water Equivalent Conditions Web Reference :http://www.cbrfc.noaa.gov/gmap/gmap.php

5. Bear and Hams Fork Drainage 7-9k average to above average SWE Majority of GB, UC and Lower GN 7-9k SWE is below average. San Juan and Lower GB 9-10k Are below to Much below average SWE ~ 7-9K Feet SWE ~ 9-10k Feet

6. The current upper elevation San Juan Snowpack is below to much below average. The current >10k ft. snowpack is average to above average in the UC and Eastern Green River Basin. Overall SWE Above 10000 Feet Elevation

7. Website Link Reference:http://www.cbrfc.noaa.gov/station/sweplot/sweplot.cgi?yrList=avg&yrList=2009&yrList=2008&yrList=1998&stationList=TRLU1&monly=0&tavg=s&hsim= sknn&index=&dbsvr=&indextitle=Untitled Bear River, Weber River, Provo River Headwater SWE Peak SWE ~ 108%

8. Website Link Reference:http://www.cbrfc.noaa.gov/station/sweplot/sweplot.cgi?yrList=avg&yrList=2009&yrList=2008&yrList=1995&stationList=MLDU1&monly=0&tavg=s&hsim =sknn&index=&dbsvr=&indextitle=Untitled Upper Colorado River Headwaters ~ SWE Peak SWE 2009 ~ 115%

9. Website Link http://www.cbrfc.noaa.gov/station/sweplot/sweplot.cgi?yrList=avg&yrList=2009&yrList=2008&yrList=1995&stationList=MLDU1& monly=0&tavg=s&hsim=sknn&index=&dbsvr=&indextitle=Untitled Northern Great Basin SWE Peak SWE ~ 115%

10. Website Link http:// www.cbrfc.noaa.gov/snow/station/sweplot/png/brtc2+cmbc2+cumc2+lpdc2+mdlc2+minc2+mlsc2+rmpc2+spsc2+usjc2+valc2+wcsc2+cscc2.06-21- avg.2009.2008.0.s.0.png San Juan Basin SWE Peak SWE ~ 98%

11. Website Link http://www.cbrfc.noaa.gov/snow/station/sweplot/png/bndu1+ekpw4+bbsw4+kllw4+srsw4+stdu1+towc2.06-21-avg.2009.2008.0.s.0.png Peak SWE ~ 105% Green River Headwaters SWE

12. First 7 days of May ~ Precipitation Web Reference: http://water.weather.gov Departure from normal was 2 inches in the upper elevations regions

13. Forecast Precipitation Web References: www.cpc.noaa.gov and www.hpc.noaa.govwww.cpc.noaa.govwww.hpc.noaa.gov

14. Short Term Temperature Forecasts No Large Ridge Building Forecast, through May 20, 2009. Slow Steady Melts are the norm with these conditions

15. http://www.cbrfc.noaa.gov/climate/climoForecasts.cgi May, June, July Precip. Outlook May Precipitation Outlook Climate Forecasts

16. CBRFC Online Publications May 2009 www.cbrfc.noaa.gov/wsup/pub2/map/html/cbrfc.3.2009.html

17. Web Reference: http://www.cbrfc.noaa.gov/wsup/pub2/outlook.php?region=lp&month=5&year=2009 Web Publications Evolution Plots Median Forecasts Exceedance Probabilities

18. Upper Colorado Groups - Median Forecast

19. Gunnison & Dolores River Basins ~ Specifics Median Gunnison, 95% Avg. Median Dolores, 80% Avg.

20. San Juan Basin Median Forecasts Median May, April Through July Forecast 85% of Average

21. Green River Group ~ Median Forecasts

22. Virgin River Basin Median Forecasts

23. Great Salt Lake Basin Median Forecasts http://www.cbrfc.noaa.gov/wsup/pub2/outlook.php?region=sl&month=5&year=2009#br.sites Median Bear River, 98% Avg. Median Weber Basin, 106% Avg.

24. Great Salt Lake Basin Cont ’ n Forecast Six Creeks,108% Forecast Utah Lake,102%

25. Beta Water Supply Map http://www.cbrfc.noaa.gov/gmap/gmap.php

26. San Juan ~ Navajo Reservoir http://www.cbrfc.noaa.gov/gmap/gmap.php 690kaf

27. Little Snake River ~ Nr Lily http://www.cbrfc.noaa.gov/gmap/gmap.php 490kaf

28. Green River Basin – Warren Bridge http://www.cbrfc.noaa.gov/gmap/gmap.php 250kaf

29. Gunnison – Blue Mesa Res. http://www.cbrfc.noaa.gov/gmap/gmap.php 690kaf

30. http://www.cbrfc.noaa.gov/gmap/gmap.php Colorado River – Lake Powell 7300kaf

31. http://www.cbrfc.noaa.gov/gmap/gmap.php Weber River at Oakley 131kaf

32. More Resources www.cbrfc.noaa.gov www.nwrfc.noaa.gov/westernwater No June webinar scheduled … Is there interest? Fall webinar will be scheduled to review this year ’ s forecasts, evaluate historical forecasts, and discuss the upcoming forecasts and improvements

33. Brent Bernard CBRFC Hydrologist Kevin Werner Service Coordination Hydrologist Phone: 801.524.5130 Email: kevin.werner@noaa.govkevin.werner@noaa Feedback, Questions, Concerns always welcome….