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Joined: Apr 2000
Posts: 10,542
Carpal Tunnel
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Carpal Tunnel
Joined: Apr 2000
Posts: 10,542 |
>If you look at wwh's chart, Faldage, and locate eleven, you'll see the place where the two factors required for snow in Richmond, VA, intercepted at 11.
if you'll pardon the intrusion, I think the "11" is confusing matters in use of the charts. there are no 11's on the F chart, and I rather suspect Loftan was talking about degrees F. (I doubt that it snows at 11 degrees C, even in brumal North Dakota.)
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Joined: Dec 2000
Posts: 13,803
Carpal Tunnel
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Carpal Tunnel
Joined: Dec 2000
Posts: 13,803 |
We're reading the chart the same way OK. It's what the dew point is that I think is confusing you. It's the temperature at which the amount of water that's in the air would become 100% relative humidity. Maybe it's the relative humidity that's confusing you. If you have a certain amount of water in the air at, say, 38°F and it gives you 20% RH, then, if the temperature drops to 24°F the RH would become 45%. The warmer the air the more water it can hold. The Relative Humidity is the amount of water in the air divided by the total amount it can hold expressed as a percentage. When the temperature drops to the point where the air can no longer hold that much water it precipitates out onto things. Dew. If the dew point is below 32°F it comes out as frost. Capisce?
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Joined: Dec 2000
Posts: 13,803
Carpal Tunnel
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Carpal Tunnel
Joined: Dec 2000
Posts: 13,803 |
11°C
Oops. Well, my argument holds. Just use different numbers.
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