Help on Station Model Plot Help on Station Model Plot

Here is an example station plot:

This is decoded as follows:

77 = Temperature
72 = Dewpoint
1016 = Pressure in millibars
2308 = Time of observation in UTC
= Wind velocity (in this case, from the south at 10 knots.)
= Cloud cover (in this case, mostly cloudy).
= Weather (in this case, a light rain shower).


Listing of cloud symbols:

Empty Circle                     = Clear (CLR)
Circle with single vertical line = Partly Cloudy or Scattered (SCT)
Circle with double vertical line = Mostly Cloudy or Broken (BKN)
Circle completely filled         = Cloudy or Overcast (OVC)
Circle with an 'X' in the middle = Obscured ( X ) 

Listing of Wind Symbols:

Circle          = Calm or missing
Half barb       = 5 knots                            
Each Full barb  = 10 knots
Each flag       = 50 knots

Listing of weather symbols:

1  = Tornado [not used]			14 = Moderate/Heavy rain shower		27 = Light Freezing Drizzle
2  = Thunderstorm			15 = Light rain shower			28 = Light Drizzle         
3  = Thunderstorm with rain		16 = Light rain				29 = Moderate Drizzle
4  = Thunderstorm with snow		17 = Moderate rain			30 = Heavy Drizzle
5  = Thunderstorm with freezing rain	18 = Heavy rain 			31 = Light sleet shower
6  = Thunderstorm with hail or sleet    19 = Light snow shower    		32 = Moderate/Heavy sleet shower
7  = Heavy Thunderstorm			20 = Moderate/Heavy snow shower		33 = Ice Crystals
8  = Thunderstorm with heavy rain	21 = Light snow				34 = Fog or Mist
9  = Thunderstorm with heavy snow	22 = Moderate snow			35 = Drifting snow [not used]
10 = Thunderstorm with heavy frzg rain  23 = Heavy snow				36 = Blowing sand/dust
11 = Thunderstorm with heavy sleet/hail 24 = Light Sleet			37 = Mix of rain and snow
12 = Moderate/Heavy freezing rain	25 = Moderate/Heavy Sleet               38 = Thunder without precipitation
13 = Light freezing rain		26 = Moderate/Heavy freezing drizzle	39 = Smoke


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