Forecasting tricks for the                        Vail Valley                         Meteorologist Joel GratzPhoto: Conno...
Worst Year   Best Year
Colorado                                              SNOTEL Current Snow Water Equivalent (SWE) % of NormalMar 11, 2013  ...
AverageLastyear                 This                 year
VailJanuary 31, 2013
VailJanuary 31, 2013
VailJanuary 31, 2013
My calling since age 5...Joel Gratz, Blue Mountain, PA, 1986. Photo: Steve Gratz   Joel Gratz, Aspen Highlands, CO, 2010. ...
CopperOctober 31, 2012
CMH Galena British ColumbiaDecember 29, 2012
THANK YOU!!!!!
THANK YOU!!!!!December 2007    28 person email list  2008-2009     500 person email list  2009-2010      245,000 pageviews...
THANK YOU!!!!!December 2007    28 person email list  2008-2009     500 person email list  2009-2010      245,000 pageviews...
THANK YOU!!!!!December 2007    28 person email list  2008-2009     500 person email list  2009-2010      245,000 pageviews...
THANK YOU!!!!!December 2007    28 person email list  2008-2009     500 person email list  2009-2010      245,000 pageviews...
THANK YOU!!!!!December 2007    28 person email list  2008-2009     500 person email list  2009-2010      245,000 pageviews...
THANK YOU!!!!!December 2007    28 person email list  2008-2009     500 person email list  2009-2010      245,000 pageviews...
THANK YOU!!!!!December 2007    28 person email list  2008-2009     500 person email list  2009-2010      245,000 pageviews...
THANK YOU!!!!!December 2007    28 person email list  2008-2009     500 person email list  2009-2010      245,000 pageviews...
How this presentation will help you:
How this presentation will help you:     1) Learn snow forecasting       tricks for the Vail Valley
How this presentation will help you:     1) Learn snow forecasting       tricks for the Vail Valley       2) Understand ho...
Is Colorado the toughest    state to forecast?                    Joel Gratz | Meadow Mountain, CO | 2009-03-11
La Nina storm tracks                   Courtesy: Mike Baker, NWS Boulder
El Nino storm tracks                   Courtesy: Mike Baker, NWS Boulder
Normal Water Temperatures
La Nada storm tracks                   Courtesy: Mike Baker, NWS Boulder
Weather Happenswhen moist air gets high
Weather Happenswhen moist air gets high1
Weather Happenswhen moist air gets high1         2
Weather Happenswhen moist air gets high1         2            3
Weather Happens  when moist air gets high“Weather happens” when moist air gets high.“Weather happens” when moist air gets ...
Where’s the moisture?
Where’s the moisture?Lots of moisture (ocean source)
Where’s the moisture?Lots of moisture (ocean source)                     OK moisture                   (ocean + plants)
Where’s the moisture?                   Less moisture                   (land source)Lots of moisture (ocean source)      ...
Weather Happenswhen moist air gets high
Weather Happenswhen moist air gets high1
Weather Happenswhen moist air gets high1         2
Weather Happenswhen moist air gets high1         2            3
Five ways to get high
Five ways to get high    C is for convection.
Five ways to get high    C is for convection.    L is for low pressure.
Five ways to get high    C is for convection.    L is for low pressure.    O is for orographic.
Five ways to get high    C is for convection.    L is for low pressure.    O is for orographic.    U is for undercut.
Five ways to get high    C is for convection.    L is for low pressure.    O is for orographic.    U is for undercut.    D...
Pleaaasssseeeee Rememberorographicsorographicsorographicsorographicsorographicsorographicsorographicsorographicsorographic...
Mountains = Precipitation             Joe Ramey, National Weather Service Grand Juntion, Slide #8 2009-2010 Winter Outlook...
Mountains = Precipitation             Joe Ramey, National Weather Service Grand Juntion, Slide #8 2009-2010 Winter Outlook...
Mountains = Precipitation             Joe Ramey, National Weather Service Grand Juntion, Slide #8 2009-2010 Winter Outlook...
Mountains = PrecipitationPark Range             Joe Ramey, National Weather Service Grand Juntion, Slide #8 2009-2010 Wint...
Mountains = PrecipitationPark Range             Joe Ramey, National Weather Service Grand Juntion, Slide #8 2009-2010 Wint...
Mountains = Precipitation   Park RangeFlattops                Joe Ramey, National Weather Service Grand Juntion, Slide #8 ...
Mountains = Precipitation   Park RangeFlattops                Joe Ramey, National Weather Service Grand Juntion, Slide #8 ...
Mountains = Precipitation     Park Range  FlattopsGrandMesa                  Joe Ramey, National Weather Service Grand Jun...
Mountains = Precipitation     Park Range  FlattopsGrandMesa                  Joe Ramey, National Weather Service Grand Jun...
Mountains = Precipitation     Park Range  FlattopsGrandMesa              Elk             Mtns                    Joe Ramey...
Mountains = Precipitation     Park Range  FlattopsGrandMesa              Elk             Mtns                    Joe Ramey...
Mountains = Precipitation     Park Range  FlattopsGrandMesa              Elk             Mtns  N&SSan Juans               ...
Mountains = Precipitation     Park Range  FlattopsGrandMesa              Elk             Mtns  N&SSan Juans               ...
Mountains = Precipitation     Park Range  FlattopsGrandMesa              Elk             Mtns  N&S                 EastSan...
Mountains = Precipitation     Park Range  FlattopsGrandMesa              Elk             Mtns  N&S                 EastSan...
Mountains = Precipitation     Park Range  FlattopsGrandMesa              Elk             Mtns                           Sa...
Mountains = Precipitation     Park Range  FlattopsGrandMesa              Elk             Mtns                           Sa...
Mountains = Precipitation     Park Range  FlattopsGrandMesa              Elk   Sawatch             Mtns                   ...
Mountains = Precipitation     Park Range  FlattopsGrandMesa              Elk   Sawatch             Mtns                   ...
Mountains = Precipitation     Park Range  Flattops                       Ten Mile &Grand                       MosquitoMes...
Mountains = Precipitation     Park Range  Flattops                       Ten Mile &Grand                       MosquitoMes...
Mountains = Precipitation     Park Range  Flattops                     Gore                       Ten Mile &Grand         ...
Mountains = Precipitation     Park Range  Flattops                     Gore                       Ten Mile &Grand         ...
Mountains = Precipitation     Park Range             Indian Peaks /                                RMNP  Flattops         ...
The best (upslope) wind direction                Steamboat       RMNP   Powderhorn                     Summit Co.         ...
Vail: Northwest winds
Vail: Northwest winds            Vail
Vail: Northwest winds              Vail     Beaver     Creek
Vail: Northwest winds                 G                     or                       e                      Ra            ...
Vail: Northwest winds                 G                     or                       e                      Ra            ...
Vail: Northwest winds                 G                     or                       e                      Ra            ...
Vail: Northwest winds                 G                     or                       e                      Ra            ...
Beaver Creek: West winds                   G                       or                         e                        Ra ...
Beaver Creek: West winds                   G                       or                         e                        Ra ...
Snow to liquid ratio
Snow to liquid ratio10” snow = 1” liquid --> heavy snow
Snow to liquid ratio10” snow = 1” liquid --> heavy snow15” snow = 1” liquid --> average
Snow to liquid ratio10” snow = 1” liquid --> heavy snow15” snow = 1” liquid --> average20” snow = 1” liquid --> blower pow
VailJanuary 31, 2013
Moisture in the air                          10F      0F                      Temperature >> colder
http://www.its.caltech.edu/~atomic/snowcrystals/primer/primer.htm
20” snow = 1” liquid --> blower pow
20” snow = 1” liquid --> blower pow• Lots of moisture
20” snow = 1” liquid --> blower pow• Lots of moisture• Mountain top temperatures  between about 0-10F
20” snow = 1” liquid --> blower pow• Lots of moisture• Mountain top temperatures  between about 0-10F• Not too much wind
Radar
Radar
Radar
Jamming the RadarBeam is blocked bythe first mountain andcan’t “see” to thesecond mountain.               0.5 deg
Overshooting the snowIf the radar is too far        20,000 ft                               Vailaway, the beam canovershoo...
Overshooting the snow                 Denver                 AirportGrandMesa                Pueblo                       ...
Overshooting the snow    Steamboat                  http://www.ncdc.noaa.gov/nexradinv/
Overshooting the snow    Steamboat                RMNP                       http://www.ncdc.noaa.gov/nexradinv/
Overshooting the snow    Steamboat                   RMNP                Summit Co.                             http://www...
Overshooting the snow    Steamboat                   RMNP       Vail                Summit Co.                            ...
Overshooting the snow          Steamboat                         RMNP             Vail                      Summit Co.  As...
Overshooting the snow          Steamboat                           RMNP             Vail                      Summit Co.  ...
Overshooting the snow                      Steamboat                                       RMNP                         Va...
Overshooting the snow                      Steamboat                                       RMNP                         Va...
http://www.ncdc.noaa.gov/nexradinv/
Surface Observations
Webcams!           March 11, 2013 8pm
Webcams!           March 11, 2013 9pm
Webcams!           March 11, 2013 10pm
What’s the forecast?To theinternet!
Favorite Sites       Twisterdata.comMeteo.psu.edu/~fxg1/ewall.htmlAvalanche.state.co.us/index.php
Joel Gratzjoel@opensnow.com
Forecasting tricks for Vail, CO (March 12, 2013)
Forecasting tricks for Vail, CO (March 12, 2013)
Forecasting tricks for Vail, CO (March 12, 2013)
Forecasting tricks for Vail, CO (March 12, 2013)
Forecasting tricks for Vail, CO (March 12, 2013)
Forecasting tricks for Vail, CO (March 12, 2013)
Forecasting tricks for Vail, CO (March 12, 2013)
Forecasting tricks for Vail, CO (March 12, 2013)
Forecasting tricks for Vail, CO (March 12, 2013)
Forecasting tricks for Vail, CO (March 12, 2013)
Forecasting tricks for Vail, CO (March 12, 2013)
Forecasting tricks for Vail, CO (March 12, 2013)
Forecasting tricks for Vail, CO (March 12, 2013)
Forecasting tricks for Vail, CO (March 12, 2013)
Forecasting tricks for Vail, CO (March 12, 2013)
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Forecasting tricks for Vail, CO (March 12, 2013)

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Overview of weather forecasting for the Vail Valley presented at the season's fourth Avalanche Awareness Seminar on March 12, 2013.

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Forecasting tricks for Vail, CO (March 12, 2013)

  1. Forecasting tricks for the Vail Valley Meteorologist Joel GratzPhoto: Connor Walberg,ActionPhotoSchool.com
  2. Worst Year Best Year
  3. Colorado SNOTEL Current Snow Water Equivalent (SWE) % of NormalMar 11, 2013 Laramie and North Platte 78 South Platte Fort Collins Yampa and White ! ! " $ # 76 ! ! Steamboat Springs 78 OurayCurrent Snow Water BoulderEquivalent (SWE) Upper Colorado ! ! 69Basin-wide Percent Headwaters Denverof 1981-2010 Median ( ! [ Glenwood Springs ! ! unavailable * 76 <50% " $ # 70 Aspen! ! 50 - 69% ! ! Grand Junction 70 - 89% Colorado Springs 90 - 109% Gunnison ! ! 110 - 129% 79 ! ! Gunnison Arkansas 130 - 149% Pueblo >=150% San Miguel, ! ! Dolores, Ouray 75 Animas and ! ! " $ # 25* Data unavailable at time San Juan of posting or measurement is not representative at this time of year 85 81 Alamosa ! !Provisional DataSubject to Revision ! ! Durango Upper Rio Grande Miles 0 10 20 40 60 80 100 The snow water equivalent percent of normal represents the current Prepared by the USDA/NRCS National Water and Climate Center snow water equivalent found at selected SNOTEL sites in or near the basin Portland, Oregon http://www.wcc.nrcs.usda.gov/gis/ compared to the average value for those sites on this day. Data based on Based on data from http://www.wcc.nrcs.usda.gov/reports/ the first reading of the day (typically 00:00). Science contact: Jim.Marron@por.usda.gov 503 414 3047
  4. AverageLastyear This year
  5. VailJanuary 31, 2013
  6. VailJanuary 31, 2013
  7. VailJanuary 31, 2013
  8. My calling since age 5...Joel Gratz, Blue Mountain, PA, 1986. Photo: Steve Gratz Joel Gratz, Aspen Highlands, CO, 2010. Photo: Ted Mahon
  9. CopperOctober 31, 2012
  10. CMH Galena British ColumbiaDecember 29, 2012
  11. THANK YOU!!!!!
  12. THANK YOU!!!!!December 2007 28 person email list 2008-2009 500 person email list 2009-2010 245,000 pageviews 2010-2011 1,315,000 pageviews 2011-2012 3,330,000 pageviews 2012-2013 12,000,000 pageviews
  13. THANK YOU!!!!!December 2007 28 person email list 2008-2009 500 person email list 2009-2010 245,000 pageviews 2010-2011 1,315,000 pageviews 2011-2012 3,330,000 pageviews 2012-2013 12,000,000 pageviews
  14. THANK YOU!!!!!December 2007 28 person email list 2008-2009 500 person email list 2009-2010 245,000 pageviews 2010-2011 1,315,000 pageviews 2011-2012 3,330,000 pageviews 2012-2013 12,000,000 pageviews
  15. THANK YOU!!!!!December 2007 28 person email list 2008-2009 500 person email list 2009-2010 245,000 pageviews 2010-2011 1,315,000 pageviews 2011-2012 3,330,000 pageviews 2012-2013 12,000,000 pageviews
  16. THANK YOU!!!!!December 2007 28 person email list 2008-2009 500 person email list 2009-2010 245,000 pageviews 2010-2011 1,315,000 pageviews 2011-2012 3,330,000 pageviews 2012-2013 12,000,000 pageviews
  17. THANK YOU!!!!!December 2007 28 person email list 2008-2009 500 person email list 2009-2010 245,000 pageviews 2010-2011 1,315,000 pageviews 2011-2012 3,330,000 pageviews 2012-2013 12,000,000 pageviews
  18. THANK YOU!!!!!December 2007 28 person email list 2008-2009 500 person email list 2009-2010 245,000 pageviews 2010-2011 1,315,000 pageviews 2011-2012 3,330,000 pageviews 2012-2013 12,000,000 pageviews
  19. THANK YOU!!!!!December 2007 28 person email list 2008-2009 500 person email list 2009-2010 245,000 pageviews 2010-2011 1,315,000 pageviews 2011-2012 3,330,000 pageviews 2012-2013 12,000,000 pageviews
  20. How this presentation will help you:
  21. How this presentation will help you: 1) Learn snow forecasting tricks for the Vail Valley
  22. How this presentation will help you: 1) Learn snow forecasting tricks for the Vail Valley 2) Understand how to interpret the current weather situation
  23. Is Colorado the toughest state to forecast? Joel Gratz | Meadow Mountain, CO | 2009-03-11
  24. La Nina storm tracks Courtesy: Mike Baker, NWS Boulder
  25. El Nino storm tracks Courtesy: Mike Baker, NWS Boulder
  26. Normal Water Temperatures
  27. La Nada storm tracks Courtesy: Mike Baker, NWS Boulder
  28. Weather Happenswhen moist air gets high
  29. Weather Happenswhen moist air gets high1
  30. Weather Happenswhen moist air gets high1 2
  31. Weather Happenswhen moist air gets high1 2 3
  32. Weather Happens when moist air gets high“Weather happens” when moist air gets high.“Weather happens” when moist air gets high.“Weather happens” when moist air gets high.“Weather happens” when moist air gets high.“Weather happens” when moist air gets high.
  33. Where’s the moisture?
  34. Where’s the moisture?Lots of moisture (ocean source)
  35. Where’s the moisture?Lots of moisture (ocean source) OK moisture (ocean + plants)
  36. Where’s the moisture? Less moisture (land source)Lots of moisture (ocean source) OK moisture (ocean + plants)
  37. Weather Happenswhen moist air gets high
  38. Weather Happenswhen moist air gets high1
  39. Weather Happenswhen moist air gets high1 2
  40. Weather Happenswhen moist air gets high1 2 3
  41. Five ways to get high
  42. Five ways to get high C is for convection.
  43. Five ways to get high C is for convection. L is for low pressure.
  44. Five ways to get high C is for convection. L is for low pressure. O is for orographic.
  45. Five ways to get high C is for convection. L is for low pressure. O is for orographic. U is for undercut.
  46. Five ways to get high C is for convection. L is for low pressure. O is for orographic. U is for undercut. D is for dynamic.
  47. Pleaaasssseeeee Rememberorographicsorographicsorographicsorographicsorographicsorographicsorographicsorographicsorographicsorographics
  48. Mountains = Precipitation Joe Ramey, National Weather Service Grand Juntion, Slide #8 2009-2010 Winter Outlook for Colorado
  49. Mountains = Precipitation Joe Ramey, National Weather Service Grand Juntion, Slide #8 2009-2010 Winter Outlook for Colorado
  50. Mountains = Precipitation Joe Ramey, National Weather Service Grand Juntion, Slide #8 2009-2010 Winter Outlook for Colorado
  51. Mountains = PrecipitationPark Range Joe Ramey, National Weather Service Grand Juntion, Slide #8 2009-2010 Winter Outlook for Colorado
  52. Mountains = PrecipitationPark Range Joe Ramey, National Weather Service Grand Juntion, Slide #8 2009-2010 Winter Outlook for Colorado
  53. Mountains = Precipitation Park RangeFlattops Joe Ramey, National Weather Service Grand Juntion, Slide #8 2009-2010 Winter Outlook for Colorado
  54. Mountains = Precipitation Park RangeFlattops Joe Ramey, National Weather Service Grand Juntion, Slide #8 2009-2010 Winter Outlook for Colorado
  55. Mountains = Precipitation Park Range FlattopsGrandMesa Joe Ramey, National Weather Service Grand Juntion, Slide #8 2009-2010 Winter Outlook for Colorado
  56. Mountains = Precipitation Park Range FlattopsGrandMesa Joe Ramey, National Weather Service Grand Juntion, Slide #8 2009-2010 Winter Outlook for Colorado
  57. Mountains = Precipitation Park Range FlattopsGrandMesa Elk Mtns Joe Ramey, National Weather Service Grand Juntion, Slide #8 2009-2010 Winter Outlook for Colorado
  58. Mountains = Precipitation Park Range FlattopsGrandMesa Elk Mtns Joe Ramey, National Weather Service Grand Juntion, Slide #8 2009-2010 Winter Outlook for Colorado
  59. Mountains = Precipitation Park Range FlattopsGrandMesa Elk Mtns N&SSan Juans Joe Ramey, National Weather Service Grand Juntion, Slide #8 2009-2010 Winter Outlook for Colorado
  60. Mountains = Precipitation Park Range FlattopsGrandMesa Elk Mtns N&SSan Juans Joe Ramey, National Weather Service Grand Juntion, Slide #8 2009-2010 Winter Outlook for Colorado
  61. Mountains = Precipitation Park Range FlattopsGrandMesa Elk Mtns N&S EastSan Juans San Juans Joe Ramey, National Weather Service Grand Juntion, Slide #8 2009-2010 Winter Outlook for Colorado
  62. Mountains = Precipitation Park Range FlattopsGrandMesa Elk Mtns N&S EastSan Juans San Juans Joe Ramey, National Weather Service Grand Juntion, Slide #8 2009-2010 Winter Outlook for Colorado
  63. Mountains = Precipitation Park Range FlattopsGrandMesa Elk Mtns Sangre de Christo N&S EastSan Juans San Juans Joe Ramey, National Weather Service Grand Juntion, Slide #8 2009-2010 Winter Outlook for Colorado
  64. Mountains = Precipitation Park Range FlattopsGrandMesa Elk Mtns Sangre de Christo N&S EastSan Juans San Juans Joe Ramey, National Weather Service Grand Juntion, Slide #8 2009-2010 Winter Outlook for Colorado
  65. Mountains = Precipitation Park Range FlattopsGrandMesa Elk Sawatch Mtns Sangre de Christo N&S EastSan Juans San Juans Joe Ramey, National Weather Service Grand Juntion, Slide #8 2009-2010 Winter Outlook for Colorado
  66. Mountains = Precipitation Park Range FlattopsGrandMesa Elk Sawatch Mtns Sangre de Christo N&S EastSan Juans San Juans Joe Ramey, National Weather Service Grand Juntion, Slide #8 2009-2010 Winter Outlook for Colorado
  67. Mountains = Precipitation Park Range Flattops Ten Mile &Grand MosquitoMesa Elk Sawatch Mtns Sangre de Christo N&S EastSan Juans San Juans Joe Ramey, National Weather Service Grand Juntion, Slide #8 2009-2010 Winter Outlook for Colorado
  68. Mountains = Precipitation Park Range Flattops Ten Mile &Grand MosquitoMesa Elk Sawatch Mtns Sangre de Christo N&S EastSan Juans San Juans Joe Ramey, National Weather Service Grand Juntion, Slide #8 2009-2010 Winter Outlook for Colorado
  69. Mountains = Precipitation Park Range Flattops Gore Ten Mile &Grand MosquitoMesa Elk Sawatch Mtns Sangre de Christo N&S EastSan Juans San Juans Joe Ramey, National Weather Service Grand Juntion, Slide #8 2009-2010 Winter Outlook for Colorado
  70. Mountains = Precipitation Park Range Flattops Gore Ten Mile &Grand MosquitoMesa Elk Sawatch Mtns Sangre de Christo N&S EastSan Juans San Juans Joe Ramey, National Weather Service Grand Juntion, Slide #8 2009-2010 Winter Outlook for Colorado
  71. Mountains = Precipitation Park Range Indian Peaks / RMNP Flattops Gore Ten Mile &Grand MosquitoMesa Elk Sawatch Mtns Sangre de Christo N&S EastSan Juans San Juans Joe Ramey, National Weather Service Grand Juntion, Slide #8 2009-2010 Winter Outlook for Colorado
  72. The best (upslope) wind direction Steamboat RMNP Powderhorn Summit Co. Vail Aspen Crested Butte Telluride Silverton Wolf Creek
  73. Vail: Northwest winds
  74. Vail: Northwest winds Vail
  75. Vail: Northwest winds Vail Beaver Creek
  76. Vail: Northwest winds G or e Ra ng e Vail Beaver Creek
  77. Vail: Northwest winds G or e Ra ng e Vail Beaver Creek Vail Pass
  78. Vail: Northwest winds G or e Ra ng e Vail Beaver Creek Vail Pass
  79. Vail: Northwest winds G or e Ra ng e Vail Beaver Creek Vail Pass
  80. Beaver Creek: West winds G or e Ra ng e Vail Beaver Creek Vail Pass
  81. Beaver Creek: West winds G or e Ra ng e Vail Beaver Creek Vail Pass
  82. Snow to liquid ratio
  83. Snow to liquid ratio10” snow = 1” liquid --> heavy snow
  84. Snow to liquid ratio10” snow = 1” liquid --> heavy snow15” snow = 1” liquid --> average
  85. Snow to liquid ratio10” snow = 1” liquid --> heavy snow15” snow = 1” liquid --> average20” snow = 1” liquid --> blower pow
  86. VailJanuary 31, 2013
  87. Moisture in the air 10F 0F Temperature >> colder
  88. http://www.its.caltech.edu/~atomic/snowcrystals/primer/primer.htm
  89. 20” snow = 1” liquid --> blower pow
  90. 20” snow = 1” liquid --> blower pow• Lots of moisture
  91. 20” snow = 1” liquid --> blower pow• Lots of moisture• Mountain top temperatures between about 0-10F
  92. 20” snow = 1” liquid --> blower pow• Lots of moisture• Mountain top temperatures between about 0-10F• Not too much wind
  93. Radar
  94. Radar
  95. Radar
  96. Jamming the RadarBeam is blocked bythe first mountain andcan’t “see” to thesecond mountain. 0.5 deg
  97. Overshooting the snowIf the radar is too far 20,000 ft Vailaway, the beam canovershoot the snow 15,000 ft 12,000 ft
  98. Overshooting the snow Denver AirportGrandMesa Pueblo http://www.ncdc.noaa.gov/nexradinv/
  99. Overshooting the snow Steamboat http://www.ncdc.noaa.gov/nexradinv/
  100. Overshooting the snow Steamboat RMNP http://www.ncdc.noaa.gov/nexradinv/
  101. Overshooting the snow Steamboat RMNP Summit Co. http://www.ncdc.noaa.gov/nexradinv/
  102. Overshooting the snow Steamboat RMNP Vail Summit Co. http://www.ncdc.noaa.gov/nexradinv/
  103. Overshooting the snow Steamboat RMNP Vail Summit Co. Aspen http://www.ncdc.noaa.gov/nexradinv/
  104. Overshooting the snow Steamboat RMNP Vail Summit Co. Aspen Crested Butte http://www.ncdc.noaa.gov/nexradinv/
  105. Overshooting the snow Steamboat RMNP Vail Summit Co. Aspen Crested ButteTelluride http://www.ncdc.noaa.gov/nexradinv/
  106. Overshooting the snow Steamboat RMNP Vail Summit Co. Aspen Crested ButteTelluride Wolf Creek http://www.ncdc.noaa.gov/nexradinv/
  107. http://www.ncdc.noaa.gov/nexradinv/
  108. Surface Observations
  109. Webcams! March 11, 2013 8pm
  110. Webcams! March 11, 2013 9pm
  111. Webcams! March 11, 2013 10pm
  112. What’s the forecast?To theinternet!
  113. Favorite Sites Twisterdata.comMeteo.psu.edu/~fxg1/ewall.htmlAvalanche.state.co.us/index.php
  114. Joel Gratzjoel@opensnow.com

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