Harbour waterspout : Weather, Road Conditions & River Levels

Slayer · Posted: Mon Mar 14, 2011 6:38 pm Post subject: Harbour waterspout

Watched a rather big waterspout work its way from one end of catalina flats to the other today around 0930. Got some pics off my phone and will try to download them but because of the distance ( I was on the East Arm Port) they look pretty cr.p. Would have givien you a touch up in a tinnie I reckon.

Davey D · Posted: Mon Mar 14, 2011 6:54 pm Post subject: Re: Harbour waterspout

Any idea what causes that to happen

nomad · Posted: Mon Mar 14, 2011 7:26 pm Post subject: Re: Harbour waterspout

I didnt but google does
A waterspout occurs when a tornado forms over oceans, lakes, or rivers. They form when high layers of cool air blow across a body of water while warm moist air sweeps up from below. They appear as thin columns with the funnels sucking up water over mushroom-shaped water sprays.

Waterspouts can vary in size from a few feet to more than a mile in height, and from a few feet to hundreds of feet wide. Witnesses say they make hissing and sucking noises as they move. These water twisters can move anywhere from 2 to 80 miles an hour. Winds within the waterspout can spiral around at 60-120 miles an hour. These phenomena usually last up to fifteen minutes, and few last more than half an hour.

http://library.thinkquest.org/C003603/e ... outs.shtml

Davey D · Posted: Mon Mar 14, 2011 8:17 pm Post subject: Re: Harbour waterspout

so really a kite surfers worst nightmare

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