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re: Fun fact: No hurricane has ever crossed the equator
Posted on 3/20/24 at 4:58 pm to leeman101
Posted on 3/20/24 at 4:58 pm to leeman101
quote:Absolutely. In the northern hemisphere, when firing either north or south you will miss to the right. In the southern hemisphere you will miss left. And in either hemisphere you will miss high shooting to the east and low to the west.
I have heard in long range gun shooting (>1000 yrds), like with snipers they have to factor in the Coriolis effect and curvature of the earth, when aiming at their target.
Posted on 3/20/24 at 5:07 pm to billjamin
quote:
Fake news, there is no "equator" on this flat earth.
True. Its just one long assed pickled ball net down the middle.
Posted on 3/20/24 at 5:31 pm to Mr Roboto
quote:
always been this hot
No, sir. Last year was record-setting heat and drought for the region, breaking the previous record set in 2022. It was hot, hot, hot-- the 2023 average temp in August in Houston was 92.5°F, comparable to the old pre-AGW average temps on places like Phoenix or Baghdad.
Posted on 3/20/24 at 6:16 pm to GumboPot
No fully true. The strength of Coriolis changes with latitude and changes direction at the equator. Move around near the poles and experience more force; near the equator experience less.
Teaching the physics of movement on a spinning Earth is really hard if the teacher and students aren't math whizzes.
The people who figured this out were trying to aim long-distant cannon shots. The artillery guys knew that the shot had a drift.
Teaching the physics of movement on a spinning Earth is really hard if the teacher and students aren't math whizzes.
The people who figured this out were trying to aim long-distant cannon shots. The artillery guys knew that the shot had a drift.
Posted on 3/20/24 at 6:42 pm to Korkstand
quote:
The Coriolis effect doesn't work in toilets
Tell that to the US Embassy in Australia where they have a model that reverses the flush.
Posted on 3/20/24 at 6:58 pm to billjamin
quote:
Fake news, there is no "equator" on this flat earth
The Biblical earth model does have an equator. It also takes into account the tropic of capricorn and tropic of cancer.
Posted on 3/21/24 at 1:08 am to tarzana
quote:
Does this have anything to do with the heat dome which parked over the Gulf South for three months last summer, and made Louisiana and Texas hot as h*ll, or was it just simply AGW?
Not sure, but Rio de jinaeiro had a heat index of 144 this week. 107 with humidity off the charts
Posted on 3/21/24 at 7:53 am to Korkstand
quote:
The Coriolis force is real and ubiquitous, no doubt. However as I said the Coriolis effect is not a predictor in the rotation of water in a toilet. Nor a sink nor a bathtub. These scales are so small that the water would have to be perfectly still and the stopper perfectly released and the basin and drain perfectly shaped so as not to influence the rotation. And hold your breath. Even tornadoes do not always turn the expected way, because even at that scale the Coriolis force is very slight. Their rotation is influenced by the greater storm system that they are a part of.
I agree.
This subject in terms of hurricanes (in the OP title) reminds me of the ocean engineering course I took a long time ago in college. I vaguely remember the mathematical model for low and high pressure systems. In the northern hemisphere high pressure systems are blunted by the Coriolis effect. In low pressure systems the model (equation) could go to infinity (because the model does not include other factors that blunt low pressure systems as the wind speed increases). In short, the Coriolis is additive to low pressure systems and subtractive to high pressure systems.
Posted on 3/21/24 at 8:13 am to GumboPot
The figure is typical of what you see in textbooks trying to avoid the math by only considering movement N-S. Objects in motion also experience Coriolis when moving E-W... or any other angle.
It is all about conservation of angular momentum. It happens but is a weak force. Don't worry about it.
It is all about conservation of angular momentum. It happens but is a weak force. Don't worry about it.
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