1. CBRFC June 2010 Water Supply Webinar 1 pm, June 7, 2010 Greg Smith These slides: www.cbrfc.noaa.gov/present/present.php PLEASE MUTE YOUR PHONES

2. Outline May Weather Review Any Snow Left? Weather / Climate forecast Water Supply Forecasts Peak Flows/Current Situation Web Reference: www.cbrfc.noaa.gov/wsup/pub2/map/html/cbrfc.6.2010.html Sports

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

5. Snow cover decrease between May 4 th and June 4 th www.nohrsc.noaa.gov

6. Web Reference: http://www.cbrfc.noaa.gov/gmap/gmapm.php?scon=checked Snow: May 6 (above) June 4 (right)

7. Web Reference: http://www.cbrfc.noaa.gov/station/sweplot/sweplot.cgi???open Snow: Upper Green Basin (above Flaming Gorge)

8. Web Reference: http://www.cbrfc.noaa.gov/station/sweplot/sweplot.cgi???open Snow: Colorado Mainstem (above Cameo)

9. Web Reference: http://www.cbrfc.noaa.gov/station/sweplot/sweplot.cgi???open Snow: San Juan Basin

10. Web Reference: http://www.cbrfc.noaa.gov/station/sweplot/sweplot.cgi???open Snow: Bear River

11. Web Reference: http://www.cbrfc.noaa.gov/station/sweplot/sweplot.cgi???open Snow: Six Creeks in Salt Lake County

12. Maximum Temperatures Sunday June 6 th

13. Forecast Precipitation Web Reference: www.hpc.ncep.noaa.govwww.hpc.ncep.noaa.gov Currently - Very warm temperatures 10-20 degrees above normal Grand Junction a record 101 yesterday (normal 84) Increasingly active weather as the week progresses. Cooler/Wet weekend possible June 7-12 Total

14. Precipitation Forecast Now through June 14th

15. El Nino Update Web Reference: http://www.cpc.noaa.gov and iri.columbia.edu/climate/ENSOhttp://www.cpc.noaa.gov

16. Chance for a La Nina developing by late summer of fall ?

17. Web Reference: http://www.cbrfc.noaa.gov/climate/climoForecasts.cgi June-July-August June

18. Web Reference: www.cbrfc.noaa.gov/gmap/gmapm.php?wcon=checked June 1, 2010 Water Supply Forecasts Highlights: May stream volumes below average most areas (exception the Virgin) Apr-Jul volume forecasts decreased slightly Duchesne, Sevier, and San Juan. Yampa/Little Snake near-above average. Little Change Elsewhere

19. Web Reference: www.cbrfc.noaa.gov/gmap/gmapm.php?wcon=checked

20. Web Reference: www.cbrfc.noaa.gov/gmap/gmapm.php?wcon=checked and waterwatch.usgs.govwww.cbrfc.noaa.gov/gmap/gmapm.php?wcon=checked

21. Web Reference: www.cbrfc.noaa.gov/gmap/gmapm.php?wcon=checked and Waterwatch.usgs.govwww.cbrfc.noaa.gov/gmap/gmapm.php?wcon=checked

22. Web Reference: www.cbrfc.noaa.gov/gmap/gmapm.php?wcon=checked

24. Web Reference: www.cbrfc.noaa.gov/gmap/gmapm.php?wcon=checked and waterwatch.usgs.govwww.cbrfc.noaa.gov/gmap/gmapm.php?wcon=checked

25. Web Reference: www.cbrfc.noaa.gov/gmap/gmapm.php?wcon=checked and waterwatch.usgs.govwww.cbrfc.noaa.gov/gmap/gmapm.php?wcon=checked

26. Online Publication Web Reference: www.cbrfc.noaa.gov/wsup/pub2/map/html/cpub.php

27. Peak Flows: Refer to our active web page. Higher elevation northern rivers peaking over the next 2-3 days. Much above average temperatures have accelerated snow melt resulting in flood issues. (In Red) Thundershowers may further enhance flows. Past snow melt peaks: Virgin/San Juan & lower elevations Web Reference: www.cbrfc.noaa.gov

28. Active Hydrographs – Short Term Peak Forecasts

29. More Resources www.cbrfc.noaa.gov Wateroutlook.nwrfc.noaa.gov Podcast versions of webinars available (CBRFC homepage -> podcasts 2010 forecast verification webinar and 2011 look ahead webinars will be scheduled in October / November

30. CBRFC Open House Objective: Improve understanding / communication of forecast process and forecast usage August 18, 2010 – Lower Basin Focused section: Aug 19 – Upper Basin Focused section: Aug 17 Salt Lake City, UT More details to come www.cbrfc.noaa.gov/wsup/openhouse.html

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