| Entry: Drain Wind originally posted by ReAct [last edit 2/4/2004 9:51 PM by ReAct - edited 1 times] |
| A term used to describe air currents caused by a rapid influx of water into a storm system or sewage system. A larqe quantity of water will displace an equal volume of air as it enters a system, temperature differences between the water and air can also induce thermal air currents. Some drain and tunnel systems have regular breezes blowing through them due to construction and/or placement. But any previously unencountered air current, or breeze of unusual strength or temperature, may be an indicator of a rapidly flooding system. Should a Drain Wind be experienced it is best to exit the system as quickly as is possible. |
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