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  • Home
  • Contact information
  • JSU synoptic lab
    • Syllabus
    • Take-home exams
    • Homework
    • Tropical Cyclones
      • Tropical cyclone climatology and overview
      • Tropical cyclone life cycle and motion
      • Tropical cyclone structure
      • Hurricane forecasting learning material
      • Hurricane forecasting tools
      • Storm surge
      • TUTTs and LA/MS flood event of 2016
    • Ocean applications
      • Waves
      • Tides
      • Miscellaneous ocean products
    • Streamlines
    • Regression and model output statistics
    • Forecasting baroclinic systems and other products
      • Analysis
      • Modal guidance
      • Model Output Statistics and National Blend of Models
      • Useful forecast products
  • JSU synoptic class
    • Syllabus
    • Exam Information
    • Homework
    • Stability
      • The Basics
      • The SkewT and related diagnostic tools
      • POP, air mass thunderstorms, sea breeze thunderstorms
      • Severe Weather
    • Map analysis
      • Upper-level synoptic charts
      • Contouring
      • Surface analysis and fronts
      • Vertical structure
      • Jet Streaks
    • Dynamics
      • Review of dynamics
      • Dynamics applications
      • QG Theory and the Omega equation
      • Cyclogenesis and baroclinic instability
    • Modeling
    • Fog
    • Winter Weather
  • JSU dynamics
    • Syllabus
    • Homework
    • Sample exam questions
    • Introduction (Chap. 1, HH)
    • Basic equations of meteorology (Chap. 2, HH)
    • Imbedded processes in equations of meteorology (Chap. 3, HH). Exam 2 material
    • Imbedded processes in equations of meteorology (Chap. 3, HH). Exam 3 material
    • Planetary boundary layer
    • Vorticity (Chap.4, HH)
    • Pertubation method and atmospheric waves (Chap 5, HH)
  • JSU numerical methods
    • Syllabus
    • Homework
    • Number Series
    • Interpolation
    • Basic matrix math
    • Filters And Fourier Analysis
    • Numerical derivatives
    • Numerical integration, random numbers, and Monte Carlo
    • Numerical solutions of differential equations and atmospheric modeling
    • Parameterization, data assimilation, and overview on WRF model
    • Final computer exercises
  • Dashboard
  • Winter weather
  • Overview - Winter Forecasting
  • The Bergeron-Findeisen process (written by Dana Tobin)
  • The physics of snowflakes (courtesy of snowcrystals.com)
  • Snowflake guide (courtesy of snowcrystals.com)
  • Snow morphology cheatsheet. Snow morphology diagram one. Snow morphology diagram two (detailed).
  • Definitions
          1) Winter weather terms 
          2) Snow
          3) Freezing rain
          4) Sleet (see definition in part 1)
  • The "rain-snow" line
  • Partial thickness technique
  • Freezing drizzle scenario when whole layer is below freezing (Air Weather Service document)
  • Snow-Liquid Ratio (SLR)
           1) Predicting SLR
           2) The Dube Flowchart
           3) The Cobb and Waldstreicher Technique . Example used in private sector - Bouldercast.com. 
  • Winter weather prediction notes
           1) Forecasting guidelines 
           2) Detailed presentation on winter precipitation (by NOAA's Wed Junker)
           3) Winter weather forecast checklist (by John Gordon)
  • Video lecture on winter precipitation. Audio only.
  • Additional (short) video lecture on winter precipitation. Audio only.

Mountain weather
  • Avalanches
            1) Overview on avalanches 
            2) Subsets of avalanche types
  • Downslope wind events
            1) Summary necessary conditions  
            2) Overview
            3) The Froude number . Experimental website using the Froude number for Vermont downslope wind event guidance
  • Mountain weather workshop (COMET lecture)

Specialty winter forecasting websites
  • Ski forecasting website (opensnow.com)
  • Northwest Avalanche Center  (www.nwac.us)
  • Colorado Avalanche Center (avalanche.state.co.us)
  • Seattle NWS --- Mount Ranier
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  • Home
  • Contact information
  • JSU synoptic lab
    • Syllabus
    • Take-home exams
    • Homework
    • Tropical Cyclones
      • Tropical cyclone climatology and overview
      • Tropical cyclone life cycle and motion
      • Tropical cyclone structure
      • Hurricane forecasting learning material
      • Hurricane forecasting tools
      • Storm surge
      • TUTTs and LA/MS flood event of 2016
    • Ocean applications
      • Waves
      • Tides
      • Miscellaneous ocean products
    • Streamlines
    • Regression and model output statistics
    • Forecasting baroclinic systems and other products
      • Analysis
      • Modal guidance
      • Model Output Statistics and National Blend of Models
      • Useful forecast products
  • JSU synoptic class
    • Syllabus
    • Exam Information
    • Homework
    • Stability
      • The Basics
      • The SkewT and related diagnostic tools
      • POP, air mass thunderstorms, sea breeze thunderstorms
      • Severe Weather
    • Map analysis
      • Upper-level synoptic charts
      • Contouring
      • Surface analysis and fronts
      • Vertical structure
      • Jet Streaks
    • Dynamics
      • Review of dynamics
      • Dynamics applications
      • QG Theory and the Omega equation
      • Cyclogenesis and baroclinic instability
    • Modeling
    • Fog
    • Winter Weather
  • JSU dynamics
    • Syllabus
    • Homework
    • Sample exam questions
    • Introduction (Chap. 1, HH)
    • Basic equations of meteorology (Chap. 2, HH)
    • Imbedded processes in equations of meteorology (Chap. 3, HH). Exam 2 material
    • Imbedded processes in equations of meteorology (Chap. 3, HH). Exam 3 material
    • Planetary boundary layer
    • Vorticity (Chap.4, HH)
    • Pertubation method and atmospheric waves (Chap 5, HH)
  • JSU numerical methods
    • Syllabus
    • Homework
    • Number Series
    • Interpolation
    • Basic matrix math
    • Filters And Fourier Analysis
    • Numerical derivatives
    • Numerical integration, random numbers, and Monte Carlo
    • Numerical solutions of differential equations and atmospheric modeling
    • Parameterization, data assimilation, and overview on WRF model
    • Final computer exercises
  • Dashboard