Updated 4/12/17

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  • Snowmap (overlayed)
  • 7 day 24 hr forecast with the following data:
    • Day – Date
    • Forecast Icon (cloudy, sunny, etc)
    • High Temp
    • Low Temp
    • Dewpoint Temp
    • Winds (short text – Winds SW 5 to 10 mph)
    • Snow Potential (short text – 2 to 4 inches expected)
    • Freezing Level graph (hourly levels for 24 hrs)
  • Long Range Forecast – Long Text
  • Short Range Forecast – Long Text
  • Regional Discussion – Long Text
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  • Webcam images(full size> and carousel(thumbnails) with appropriate slider navigation arrows/buttons
  • SnoCountry Snow Reports – See existing data fields
  • National Weather Service Current Conditions – See existing data fields
  • National Weather Service Forecasts – See existing data fields
  • Computer Precipitation Model – See existing data fields, note alternate colors for Rain vs Snow
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  • User Snow Reports display
  • User Snow Report Forms via select pulldown menus

Menu Bar Sample

Just getting this started… (added 4/12/2017 – looks great!! – Chris M)

Working on this later today (10 Apr- Chris)

Notes RE grib data (notes to self mostly):

500′ = 10mb
50′ =  1mb
700mb = 10,000ft (standard level)
500mb = 20,000ft
*so at that level:
200mb in height change = 10,000ft
20mb in height change = 1,000ft
10mb in height change = 500ft

From 700-500mb (10,000 to 20,000ft) = 20mb change per 1,000′
From 850-700mb (5,000 to 10,000ft) = 30mb change per 1,000′
From 1,000-850mb (Sea level to 5,000ft) = 30mb change per 1,000′

640mb = 13,000′ (top elevation at the highest resorts in CO, including Arapahoe Basin)
650mb = 12,500′ (top elevation of most major Colorado resorts)
710mb = 9,500′ (base elevation of most Summit CO resorts in Colorado)
740mb = 8,000′ (near Aspen base/ town elevation)

*For RH% use interpolation between mb levels, temperature (converted from Kelvin) and dew point temperature

*Inventory #186 = 700mb temperature (?) <– we will use this number a lot
#168=600mb temp
#177 = 650mb ”
#195 = 750mb ”
#204 = 800mb ”
#213 = 850mb ”
#222 = 900mb ”
#239 = 950mb ”
#256 = 1000mb (sea level) ”

*For fail safe (in order that we have no really bad forecast temperature outputs) use monthly climatology extremes available at dri.edu (SOD), for US based places we cover, and still looking for reliable source for world locations, though I can give extreme high and low temperatures for each area that would work better than not having a fail safe at all.

*Could add micro-climatology inputs for areas I cover more closely, like Colorado. Example:
Parameters to check in order to add/ subtract degrees of Fahrenheit
-Wind direction (west wind +/- 0, northwest-northeast wind -2, southeast-southwest wind +5, east wind +1)
-Sky condition (cloudy with rain/ snow?, Mostly cloudy with rain/ snow?, Mostly cloudy but no precip?, Partly cloudy with rain/ snow?, Partly cloudy with no precip?, Mostly clear?)
-Season (Spring?, Summer?, Fall?, Winter?)
-Temperature/ Dew point temperature “depression”/ difference:
-20+F, super adiabatic lapse rate +6F per 1,000′ drop in elevation
-10 to 20F, adiabatic lapse rate, +4 to 5F per 1,000′ drop in elevation
-0 to 9F, +3F per 1,000′ drop in elevation