Vremea pentru marinari

Vremea pentru marinari



Descrierea unui marinar a diferitelor sisteme meteorologice și oceanografice întâlnite pe mare și modul în care acestea pot fi interpretate și tratate de marinarul cu barca mică fără volumele de informații și predicții bazate pe internet disponibile pentru marinarii cu fotolii de pe uscat.

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32 thoughts on “Vremea pentru marinari

  1. Great, great lesson, thanks.  I suggest that the Wave Height Distribution bell curve has an error, in that Hs is by definition the wave height that is the 66.7 percentile of all waves, which means (as you say) that 1/3 will be higher. However, your "grey area" under the curve does not have the 1/3 point coinciding with the Hs point.  I offer this out of respect for the important, very-credible work you have presented and I assume this is just a glitch.  Thanks again.

  2. Outstanding video.  Very knowledgeable.  Not doubting your info but have a question that maybe you could explain: at roughly 29:30 you are talking about steering/heading relative to storm track.  If the wind/waves is/are coming from NW, wouldn't I want my bow INTO them?  Why would I want them coming into my stern?  Again, not doubting the information, but from a very, very green sailor (only spent about 3 years periodically underway in US Navy FFG. No real sailing experience.) it would seem that I would always, especially in a storm, want my bow into the wind/wave.

  3. I have a question. You mentioned these eddies can be moving 3 and a half to 4 knots. Can you get trapped in these while sailing? Lets say the winds died…. would you get trapped? Having to motor out of an eddie?

  4. Познавательный канал! С меня подписка и лайки!Надеемся на взаимность!)? Mutual subscription lets go ! Come to visit us in the new video waiting for you)

  5. Amazingly comprehensive lesson. Thank you for making this available. Wish I found this before my ocean trip to st Helena 🙂

  6. Great lecture! However the pronunciation of "height" as "height-th" (with a th sound at end) was driving me crazy. "Depth" and "Width" have a 'th' sound at the end, but "height" as a 't' sound at the end. Other than that verbal tick, the content was excellent by any measure.

  7. You Should Update Your Weather awareness Training, and Stop The Coriolis Effect Suggestions as We Know Storms are Independent and often 2 storms near one another will have counter rotation, irrespective of Equatorial Location, The Forces that cause Rotational direction are NOT a Coriolis effect and are still being Theorized…
    Just an observation

  8. A great presentation. Lots of the 'why' we tend to forget, which connects all the other knowledge we know together. Thanks for taking the time out to make, and upload this.

  9. Excellent video. I was in need to review my meteorology and you explain things incredibly well in this video. It’s simple and straight forward. I appreciate it.

  10. Wouldn't it be more appropriate to characterize "warm air rising" as warmer less dense air in the center of a LOW is "pushed up" rather than "rising" because of the more dense cooler air surrounding that tends to spread into the less dense warmer air seeking its lowest possible point ? In other words, does a warm air molecule have special powers that defy gravity or does it merely float upon denser air below it?

  11. Captain Tom, many thanks for this, the best weather lesson for sailing I have ever witnessed. Easy to understand and very well presented. Think I should go to Maryland from the UK for a sailing lesson!!

  12. It is an intense course for serous sailor. Loved so much! I learned so much from your presentation which was packed with information and personal experience!
    Thank you captain so much for sharing 👍👍👍

  13. Excellent presentation. Good old-fashioned lecturing, thorough and deep – and without all the annoying distractions of loud background music and flashy graphics. Just as we like it. Thanks a lot

  14. V = f * L. And f = 1/T. So V = L / T or L = V * T. Yet at 45:36 you are saying v (knots) = 3 x T, so the longer the period, the faster the wave. What does that imply for the wavelength, L? A 10 second interval wave travels at 30 knots, a 13 second interval wave travels at 39 knots. This implies a 10 second interval period wave, travelling at 30 knots (so 55km/h), in comparison with a 13 second interval period wave, travelling at 39 knots (so 55km/h), has a L of 30 Knts * 10 = 300 NM / time unit as against a L = 39 * 13 = 507 NM / time unit, which is to say a ratio of 1 : 1.69 (or the square of v1 to v2).

    Hmmmm, are you sure that's right? I can imagine wavelength varying in proportion with V if T is constant, or L varying in inverse proportion to F, and thus in proportion to T, if V is constant, but V being proportionate to T seems a bit skew-whiff.

  15. Thanks for a great presentation. Just have to reverse everything in my head because I'm in the southern hemisphere. Just one little mistake, cyclones don't intensify and turn into hurricanes, they're just hurricanes that spin the wrong way around.

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