chap1_045 - 28-32 38-43 33-37 44-49 38-42 50-54 43-47 55-60...

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The Surface Station Model (b) Extent of Cloud Cover (d) (classified by fraction of sky which is cloudy) (a) N ff dd TT VV ww T T 1 d A i PPP PP o (r>3 99 0 Clear (0/8 coverage) Few (1/8 - 2/8 coverage) Scattered (3/8 - 4/8 coverage) Broken (5/8 - 7/8 coverage) Overcast (8/8 coverage) Sky Obscured Extent of cloud cover Wind speed (in knots) Direction from which the wind is blowing Air temperature (in °F) Visibility (in miles and fractions) Obstructions to visibility Dew point temperature (in °F) Sea-level pressure (in millibars) Change in sea-level pressure over the last 3 hours (c) Wind Speed and Direction ff MPH Knots Calm Calm 1-2 1-2 3-8 3-7 9-14 8-12 15-20 13-17 21-25 18-22 26-31 23-27 32-37
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Unformatted text preview: 28-32 38-43 33-37 44-49 38-42 50-54 43-47 55-60 48-52 61-66 53-57 67-71 58-62 72-77 63-67 78-83 68-72 84-89 73-77 Obstructions to Visibility * * Light snow V • • • • V Moderate snow Heavy snow Snow shower Light rain Moderate rain Heavy rain Rain shower Light drizzle Thunderstorm with rain Severe Thunderstorm Sleet FIGURE 1.24 / V\_ / Freezing rain Fog 00 Haze (a) Template for the standard station model, with short descriptions of entries; (b) Guidelines for entering cloud cover into the station model; ((c) Guidelines for entering wind direction and wind speed into the station model;; (d) Symbols used in the station model for some common obstructions to visibility....
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This note was uploaded on 08/11/2010 for the course METEO 003 taught by Professor Victoryanuzzi during the Spring '08 term at Pennsylvania State University, University Park.

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