NATS 101 Thursday March 27 notes

NATS 101 Thursday March 27 notes - (30 = FROZEN DEW) (25 20...

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Thursday March 27 NATS 101 p. 88 unsaturated = RH (less than) < 100% unsaturated air cools at a rate of 10 o C/Km saturated air cools at a rate of 6 o C/Km because water vapor is condensing sinking air warms this is unsaturated air this is a 4 th way of causing rising air motions—topographic or orographic lifting p. 89 how you measure humidity: use a sling psychrometer p. 90 late afternoon early evening (40 35 = DEW)
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Unformatted text preview: (30 = FROZEN DEW) (25 20 = FROST WATER VAPOR ICE) nothing; RH never reaches 100% p. 91 at the ground when water vapor starts to condense it condensed onto objects on the ground condensation nuclei (see details p. 92) in the atmosphere: low humidity: dry haze increased RH (about 75%): wet hazebig drop in visibility high RH (near 100%): fog...
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NATS 101 Thursday March 27 notes - (30 = FROZEN DEW) (25 20...

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