April continued the cold, wet pattern we’ve seen in the upper Colorado Basin and, especially, in the Great Basin since February. With the already large snowpacks and the forecast for this pattern to persist, flooding becomes more and more likely with each passing day. The chart below shows percentile rankings for the SNOTEL sites in [...]

CBRFC has been running webinars discussing the current long lead peak flow forecasts and water supply forecasts. Upcoming webinars are May 6 (water supply) and May 11 (peak flow). Details for each of these are available online here: http://www.cbrfc.noaa.gov/rss/cbrfcnews.xml In addition, slides from past webinars are available online here: http://www.cbrfc.noaa.gov/present/present2011.cgi Please comment if you have [...]

As winter gives way to spring, we are seeing very high readings at many of the SNOTEL sites in our basin. To put these in perspective with past years, the map below shows the percentile ranking of the snow water equalivant readings at the SNOTELs for sites with ten or more years of record.The black [...]