Weatherclasses.com
  • Home
  • Contact information
  • 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, MOS, and NBM
    • Forecasting baroclinic systems and other products
      • Analysis
      • Model guidance
      • Model Output Statistics and National Blend of Models
      • Useful forecast products
  • 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
  • Intro 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)
  • 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
               i.) Conference paper . . Recorded presentation of technique . 
               ii.) Example used in private sector - Bouldercast.com. 
               iii.) Current forecasts using this technique (University of Iowa website)
           4) Accounting for compaction (empirical equation)
  • 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) Videos: a. Slab avalanches; b. Point release example;  c. Skier overview on avalanche theory
            2) Overview on avalanches 
            3) Subsets of avalanche types
  • Summary of mountain terrain wind scenarios
            1) Overview
            2) Graphical summary
  • Downslope wind events and Santa Ana wind events
            1) Predicting Chinook and Santa Ana Wind events
            2) The Froude number
                 i.) Overview
                 ii) Graphics for different Froude numbers
​                 iii) Experimental website using the Froude number for Vermont downslope wind events and other winter concerns 
                      More information on this website. Also see this YouTube video
            3) The Santa Anna Wildfire Threat index (SAWTi) . Weather and Forecasting paper on SAWTi .
            4) Supplementary material --- 1) Santa Ana wind webpage ; 2) Santa Ana wind FAQ
            5) Papers on Santa Ana Winds: a. Climatology ; b. Another climatology paper;  c. Diagnostics; d. Oct. 2017 wildfire event
  • 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
Copyright © 2020 Weather Classes
Proudly powered by Weebly
  • Home
  • Contact information
  • 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, MOS, and NBM
    • Forecasting baroclinic systems and other products
      • Analysis
      • Model guidance
      • Model Output Statistics and National Blend of Models
      • Useful forecast products
  • 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
  • Intro 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)
  • 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