WatER YEAR 2020 UPDATES
July 10, 2020: WY2020 Season Summary
May 30, 2020: Snow Gone at SASP, Almost Gone at SBSP, Peak Flows, Low Volumes
May 19, 2020: All Dust Layers Merged, SBSP (12,200’) Melting Fast, Peak Discharge Timeframe, Another Dust Event?
May 12, 2020: Dust Event #1 Emerging Soon, Three Weeks of Rapid Snowmelt
May 5, 2020: May State-Wide CODOS Tour Observations
April 28, 2020: Warm-Up Ahead, Rapid Snowmelt, Swamp Angel Obs
April 19, 2020: CODOS Rabbit Ears and Willow Creek Observations, New Senator Beck Research Publications
April 14, 2020: April CODOS Tour Report
April 7, 2020: New Light Dust Event #2 and #3, Snowpack Obs, COVID-19 Thoughts, This Day in History
March 25, 2020: Second Leg of March CODOS Tour Report
March 19, 2020: First Leg of March CODOS Tour Report
March 11, 2020: Dust Event #1 Showing Itself, Snowpack Conditions, Atmospheric River to the Rescue?
March 2, 2020: March 1 Dust Enhanced Runoff Classification, Snowpack Conditions
February 5, 2020: Weather and Snow Summary, New Assistant, Alamosa Radar Video
January 15, 2020: “Water Report” Article, SBB Station Data Links, Snowpack Observations
December 18, 2019: Weather and Snowpack Summary, Avy Links, Happy Holidays
November 27, 2019 Update: Hello Winter, Snow School, Colorado Gives Day
October 22, 2019 Update: Snow School, SnowEx, IPCC, Etc…
Water Year 2019 Updates
September 21, 2019: WY2019 Season Summary
June 20, 2019 Update: 1” Precip, Wintry Weekend, Journal Publication
June 16, 2019 Update: Melt Rates, Plots, Still Lots of Snow
June 7, 2019 Update: Dust Out, Sun Out, Surf’s Up
June 4, 2019 CODOS Update: CODOS Tour Part II, Dust Emerged at SASP
May 31, 2019 CODOS Update: CODOS Tour Part I, Warm-Up in Forecast
May 28, 2019 CODOS Update: Another Dust Event, SASP Hits Peak SWE Again, Chances of Precip this Week
May 20, 2019 CODOS Update: New Dust Events D5 & D6, 2” New Precip, Stormy Week Continues
May 14, 2019 CODOS Update: D3 Emerging, Dust Event #4, Warm-Up Through Thursday Then More Precip
May 4, 2019 CODOS Update: Dust Present Throughout State, On Top Of Very Big Snowpack
April 29, 2019 CODOS Update: Significant Dust, Precip in Forecast, then Warm Up this Weekend
April 23, 2019 CODOS Update: Data Plots and General Observations
April 16, 2019 CODOS Update: Dust Event Number 3 Observed
April 6, 2019 CODOS Update: Live Graphics Page, DERC and Radiation Plots
March 27, 2019 CODOS Update: March 26 SASP and Red Mt Observations
March 23, 2019 CODOS Update: March 2019 CODOS Tour Summary
March 8, 2019: CODOS Update: D2 Observed, Snow Keeps Coming
March 3, 2019: CODOS Update: March 1 DERC for CODOS Monitoring Sites
February 12, 2019: CODOS Update: Atmo River, Light D1, Snowpack Update
January 23, 2019: CODOS Update: Current Conditions, SNOTEL Plots
December 20, 2018: CODOS Update: Mid-December Conditions
October 25, 2018: CODOS WY2019: Snow School, Nice Start to Water Year 2019
Water Year 2018 Updates
July 27: WY2018 Season Summary
May 24: CODOS Update: Snow Gone at SBSP (12,200')
May 16: CODOS Update: Tour of Front Range & Northern Sites, SASP Observations
May 12: CODOS Update: Dust Alert D8
May 10: CODOS Update: May CODOS Tour Central/Southern Locations
May 8: CODOS Update: D2-D7 Back on the Surface, It's Dirty
May 2: CODOS Update: Dust Fully Emerged at Senator Beck, Currently Getting Buried
April 25: CODOS Update: Dust Emerging at SASP, Elsewhere
April 20: CODOS Update: Dust at Willow/Berthoud/Loveland/Hoosier, New Dust Event D6 and D7
April 18: CODOS Update: April Statewide CODOS Tour Observations WY2018
April 13: CODOS Update: Dust Alert, Major D5 Event
April 6: CODOS Update: Dust Alert D4, Isothermal Snowpack at SASP, Shot of Precip, USGS Plots
April 3: CODOS Update: Statewide April 1 Snow Course Plots and Trends, Brief Dust Update
March 30: CODOS Update: Dust Alert D3, Melt Season, Atmo River Event Coming?
March 23: CODOS Update: SWE Plots, WY2002 Streamflow, Dust Conditions
March 18: CODOS Update: March 2018 CODOS Tour Summary
March 9: CODOS Update: Streamflow, Low Snowpack, General Thoughts
March 2: CODOS Update: March 1 SWE and Dust Conditions
February 21: CODOS Dust Alert D2 - Heavy, Widespread Event
February 5, 2018: CODOS Update: Jan Recap, Delayed D1, Snow School
January 2, 2018: CODOS Update: December Recap, Snow School for Water Professionals
October 24: CODOS WY2018: Snow School, DIA Exhibit, etc.
WATER YEAR 2017 UPDATES & ALERTS
July 13: WY2017 SEASON SUMMARY
June 17: CODOS UPDATE: IMAGES OF DUST STORM, SNOW GONE AT SBSP
June 12: CODOS UPDATE: SBB CONDITIONS UPDATE
June 1: CODOS UPDATE: SNOWMELT CONTINUES, WARMING EXPECTED INTO NEXT WEEK
May 26: CODOS UPDATE MAY 26: D1-D4 RESURFACED AT SENATOR BECK, ELSEWHERE
May 21: CODOS UPDATE: DUST COVERED BY 1' OF SNOW, 1.7" ADDITIONAL SWE AT SBB
May 17: CODOS UPDATE
May 9: WY2017 CODOS TOUR UPDATE
May 1: CODOS UPDATE
April 24: CODOS UPDATE: DUST CONDITIONS, SNOWMELT RATES, AND UNSETTLED WEATHER IN FORECAST
April 14: CODOS UPDATE: APRIL HAZE, CHANCE OF PRECIP IN FORECAST
April 12: APRIL 7-9 WY2017 CODOS TOUR UPDATE
April 10: CODOS ALERT: EVENT D4 WY2017
March 31: CODOS UPDATE-EVENT D3 WY2017
March 24: CODOS UPDATE: EVENT D2, SNOWPACK AT SWAMP ANGEL ISOTHERMAL
March 17: CODOS UPDATE
March 11: CODOS DUST ALERT - EVENT D1 WY2017
March 8: SENATOR BECK BASIN-WIDE SWE ESTIMATIONS FOR FEBRUARY
March 1: CODOS UPDATE - SWE CONDITIONS
January 5: DUST FREE SO FAR AND HEALTHY SNOWPACK
November 1: CENTER FOR SNOW UPDATE
WATER YEAR 2016 UPDATES & ALERTS
August 15: WY2016 SEASON SUMMARY
May 31: D2-D6 MERGED AT SASP
May 6: CODOS GENERAL UPDATE
April 29: D6 VERY FAINT
April 27: APRIL CODOS TOUR UPDATE FOR BERTHOUD AND LOVELAND PASS
April 26: D5 DOCUMENTED AT SENATOR BECK BASIN, AND D6 POSSIBLY COMING VERY SOON
April 21: APRIL WY 2016 CODOS TOUR UPDATE
March 29: DUST EVENT D4
March 27: CODOS UPDATE
March 24: CODOS DUST ALERT: D3
March 8: HAZE ALERT
March 1: CODOS UPDATE- MARCH 1 SWE CONDITIONS
February 19: D2 FOR WY2016 AT SENATOR BECK BASIN
January 25: CODOS UPDATE
December 20: CODOS DUST ALERT - EVENT D1 OF WY 2016
WATER YEAR 2015 UPDATES & ALERTS
July 7: WY 2015 SEASON SUMMARY: COLORADO'S WEIRD WINTER OF 2014/2015 - COLORADO'S DUST-ON-SNOW PROGRAM
June 22: UPDATE-BOUNTIFUL SPRING RUNOFF
June 4: JUNE 4, 2015 UPDATE - RECORD MAY, SURGING JUNE SNOWMELT
April 30: DUST EMERGING IN SAN JUAN MOUNTAINS
April 24: APRIL 24, 2015 UPDATE – CENTRAL & NORTHERN MOUNTAINS, FRONT RANGE
April 15: CODOS DUST ALERT-EVENT D3 OF WY 2015
April 14: CODOS DUST ALERT – POTENTIAL HIGH FOR EVENT D3 OF WY 2015
April 9: CODOS DUST ALERT-EVENT D2 OF WY 2015
April 6: WY 2015 UNFOLDING
March 1: CODOS UPDATE: MARCH 1 SWE CONDITIONS
February 26: NO-DUST ALERT: ARIZONA WEATHER SQUELCHING DUST EMISSIONS
February 16: DRY SPELL, EARLY SNOWPACK WARMING
January 22: NO DUST-ON-SNOW SO FAR, LOOKING AHEAD USING CODOS EXPERIENCE
WATER YEAR 2014 UPDATES & ALERTS
July 25: CODOS WY 2014 Summary
June 15: CODOS Dust Alert - Event D9-WY2014
June 10: CODOS Update - Dust forcing high snowmelt rates statewide
May 29: CODOS Alert for imminent, dust-enhanced surging in snowmelt runoff
May 26: CODOS Update - Upper Gunnison River and North Fork of the Gunnison
May 22: CODOS Update – Senator Beck Basin and Western San Juan Mountains
May 12: CODOS Dust Alert - D8
April 28: CODOS Update - Tour Summary April 23-26
April 28: CODOS Alert for events D6 and D7
April 23: Dust event averted
April 18: Dust event D6-WY2014 is increasingly likely next Tues/Weds
April 16: CODOS Update - Streamflow Surging and Decline, D4 (Re)Emergence
April 4: Senator Beck Basin CODOS Update
April 1-3 Site Updates: Park Cone | Spring Creek Pass | Wolf Creek Pass | Hoosier Pass | Loveland Pass | Berthoud Pass | Willow Creek Pass | Rabbit Ears Pass | McClure Pass | Grand Mesa
April 1: Dust Alert for D5-WY2014
March 31: CODOS Dust Alert for event D4-WY2014
March 27: CODOS Dust Alert for event D3-WY2014
March 26: Dust storm predicted in NE Arizona
March 18: CODOS Dust Alert for event D2-WY2014
March 17: CODOS Update on Large Snowpacks, Lack of Dust, Runoff Patterns
Feb 6: Windy January without dust
Jan 2: Clean snowcover so far, interesting early winter hydrology
SITE-SPECIFIC REFERENCE & ARCHIVE PAGES
Berthoud | Grand Mesa | Loveland Pass | Hoosier | McClure | Senator Beck Basin | Park Cone | Spring Creek | Willow Creek | Wolf Creek
WATER YEAR 2013 UPDATES & ALERTS
June 17, 2013: Colorado Dust-on-Snow Program WY 2013 Final Report
May 24, 2013: CODOS Update - D10, North to South Variation in Snowmelt
May 12, 2013: CODOS Update for Northern, Front Range, and Grand Mesa CODOS sites
May 7, 2013: CODOS Update for early May conditions at Senator Beck Basin
May 6, 2013: Dust-induced snow surface roughness: time lapse photography and more
April 30-May 1 CODOS Tour of southern sites:
April 30: Swamp Angel Study Plot
: McClure Pass
: Park Cone
May 1 : Spring Creek Pass
: Wolf Creek Pass
April 30, 2013: CODOS Dust Alert - D9, a very minor event at Senator Beck Basin
April 26, 2013: Dust-induced Snow Surface Roughness
April 24, 2013: CODOS Update - D6 and D8 Dust Near Top of Snowpacks Statewide
April 18, 2013: CODOS Dust Alert - D8 event finally over
April 16, 2013: CODOS Dust Alert - D8 now in 36th hour and ongoing
April 14, 2013: CODOS Dust-on-Snow Event Alert - D7-WY 2013, April 13-14
April 10-13 CODOS Tour: Summary
April 10: Swamp Angel Study Plot
April 11: Grand Mesa Study Plot
: Park Cone
April 12: Rabbit Ears Pass
: Willow Creek Pass
: Berthoud Summit
: Spring Creek Pass
: Wolf Creek Pass
April 13: Hoosier Pass
: Grizzly Peak
: McClure Pass
April 9, 2013: D6 A Major Deposition, Many Reports
April 8, 2013: CODOS Alert - Dust-on-Snow Event D6-WY2013
March 25, 2013: CODOS Tour Summary
March 22-23, 2013: CODOS Tour (part 2):
March 22: Swamp Angel Study Plot
March 22: Grand Mesa Study Plot
March 23: Spring Creek Pass
March 23: Wolf Creek Pass
March 22, 2013: Alert for event D5-2013
March 18-21, 2013 CODOS Tour (part 1):
March 19: Berthoud Summit
March 19: Grizzly Peak
March 18: Hoosier Pass
March 20: McClure Pass
March 18: Park Cone
March 20: Rabbit Ears Pass
March 19: Willow Creek Pass
March 21, 2013: Alert for event D4-WY2013
March 8, 2013: D3 Alert and new research on dust enhancement of precipitation
March 1, 2013: Conditions at Senator Beck Basin
February 19, 2013: Update - D2 had limited extent, approaching winter storm to blanket Colorado Plateau
February 9, 2013: D2 Alert
January 25, 2013: Update
January 1, 2013: CODOS Update for New Years 2013
November 30, 2012: Dry start to Water Year 2013
November 9, 2012: 1st dust event of the season (D1)
November 4, 2012: Dry October; Weather and climate websites
Sept 14, 2012: Another important new dust science article just out
September 5, 2012: Recent dust science articles
WATER YEAR 2012 UPDATES & ALERTS
2012 Final Report: A Case Study in Interannual Variability of Colorado Snowpack and the Role of Desert Dust
Berthoud Summit: WY 2012 Summary | May 2 | April 10 | March 28 | March 15
Grand Mesa: WY 2012 Summary | May 1 | April 5 | March 28 | March 16
Grizzly Peak: WY 2012 Summary | April 27 | April 10 | March 28 | March 15
Hoosier Pass: WY 2012 Summary | May 2 | April 9 | March 28 | March 14
McClure Pass: WY 2012 Summary | April 27 | April 11 | March 28 | March 16
Park Cone: WY 2012 Summary | April 27 | April 9 | March 28 | March 14
Rabbit Ears Pass: WY 2012 Summary | May 2 | April 10 | March 28 | March 15
Senator Beck Basin: WY 2012 Summary | April 23 | April 7-8 | March 26-27 | March 5-16
Spring Creek Pass: WY 2012 Summary | April 9 | March 28 | March 17
Willow Creek Pass: WY 2012 Summary | April 27 | April 10 | March 28 | March 15
Wolf Creek Pass: WY 2012 Summary | May 1 | April 9 | March 28 | March 17
Prior Year Updates:
Water Year 2012 CODOS Updates (pdf, 9.5 mb)
Water Year 2011 CODOS Updates (pdf, 5.4mb)
Water Year 2010 CODOS Updates (pdf, 5.4mb)
Water Year 2009 CODOS Updates (pdf, 2.3mb)
Water Year 2008 CODOS Updates (pdf, 0.8mb)