WEATHER APPS FOR OFFSHORE SAILORS - A Meteorologist's Tool Bag

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The O'Kellys

The O'Kellys

Күн бұрын

When it comes to how enjoyable offshore sailing is, nothing matters more than the weather. Today we are going to talk about which iPad (and computer) applications are best for receiving weather both with high speed internet, and with low bandwidth equipment like satellite phones and HF radio. We'll also talk about the best FREE apps, and the best PAID apps.
**Want to get PredictWind? Buy it here and we get a little kickback: www.predictwind.com/?ref=sail...
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Predictwind tutorials: help.predictwind.com/en/
Dr. Jack Katzfey Bio: people.csiro.au/K/J/Jack-Katzfey
________________________________
Weather & Routing for a good passage. Eleuthera to Abacos on a L46 • Weather & Routing for ...
Patreon: / theokellys
Squarespace 14 day free trial: squarespace.syuh.net/AvmDj
Consulting: www.sailclarity.com/consulting
iTunes Podcast: podcasts.apple.com/us/podcast...
Private Fb Group: / 475364229906600
Products we use: www.amazon.com/shop/nickokelly
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Nick and Megan have been #sailing and living #OffTheGrid on and off for the past 20 years. We love to #travel and spend time in #nature and we hope to see you out here!
Nick's Books and Audiobooks:
Get Her on Board is about getting that significant other to buy into this cruising nonsense. People seem to like it. All proceeds go to our dog Sugar.
Audiobook: www.audible.com/pd/B00CIE9I1I...
Book:
www.amazon.com/dp/0578057298/...
Live on the Margin is about making money on the go trading stocks and options. I co-wrote it with Pat Schulte of Bumfuzzle. People seem to like that one too. All proceeds donated to our boat.
Audiobook: www.audible.com/pd/B00CMCGHPQ...
Book:
www.amazon.com/dp/0578116642/...
Audiobooks:
Bumfuzzle - Just out Looking for Pirates.
You know these guys, and now you know me, so have a listen.
www.audible.com/pd/B00CWJISRE...
Bound for Distant Seas, by James Baldwin
James is the real deal and this his story of adventure aboard a small, simple boat.
www.audible.com/pd/B015HQBDWU...
00:00 INTRO
01:22 Keys to Forecasting
02:35 Types of Models
04:25 Types of Weather Apps
05:39 Free Apps
08:30 PredictWind
14:00 Weather4D
17:57 Jack Katzfey Interview
#Leopard46 #BoatLife #Catamaran #TravelVlog #DigitalNomad #LifeStyle #Sailboats

Пікірлер: 254
@VictoriaWargaming
@VictoriaWargaming 3 жыл бұрын
Thanks for this video. I am going through the whole 'collect all the information' phase and videos like this are extremely helpful.
@TheOKellys
@TheOKellys 3 жыл бұрын
Glad it was helpful!
@carsonc1272
@carsonc1272 3 жыл бұрын
Nick! This episode is gold. Thanks for your hard work and knowledge. You're THE guy to do this kind of video. Please let us look over your shoulder in the future as you consider the weather on future trips.
@steveturansky9031
@steveturansky9031 3 жыл бұрын
I guess I need the Weather Interpretation for Dummies package - The one that comes with the dartboard and darts.
@kaylaandjimbryant8258
@kaylaandjimbryant8258 3 жыл бұрын
I can recommend a couple of older books that are useful to cruisers that we have found helpful: "Mariner's Weather Handbook" and "Surviving the Storm", both from 1999 by the Dashews (Steve and Linda). The latter should be in every cruiser's library. Although we have some nicer tools now than weatherfax (still important), his advice and case examples are still good, imho.
@timmitchell8784
@timmitchell8784 3 жыл бұрын
Absolutely awesome. Thank you for going so deep into weather. That helped us understand weather so much better. Thanks Timmy
@MCMaxwell100
@MCMaxwell100 3 жыл бұрын
Thank you Nick for these weather videos. Very well done, informative, and timely!
@everythingexplained
@everythingexplained 3 жыл бұрын
Thank you for a very informative video! All complex systems are interesting and it's easy to forget the knowledge required to understand them, whether it's weather, a stock exchange, power grid distribution or fluids in a jet engine. Thanks for sharing!
@RealRyanFlynn
@RealRyanFlynn 3 жыл бұрын
Great tips. I’ve always had a fascination with the weather and the sea, and even took a couple of meteorology and oceanography courses in university when I was attempting to steer myself for a commission with the Air Force 10 years ago. This really puts in perspective just how little I scratched the surface, but I may just get some more courses under my belt for better understanding the nuances of forecasting from boundary conditions. Thanks for the resource recommendations!
@SirCharles12357
@SirCharles12357 3 жыл бұрын
This is the video I've been waiting for, knowing that you're a meteorologist. Fantastic job, great information, well presented! Thanks!! [Edit: forgot to mention: Loved the intro talking point about the dynamics of the two largest fluids on earth. Nice perspective!]
@cabrissonb444
@cabrissonb444 3 жыл бұрын
Must admit that a lot of the info (especially the interview portion) was over my head as not educated enough on the topic to follow! I would love you to walk us through some passage planning scenarios using predictwind and your thoughts process as you determine whether or not to go/when to go.
@benlindner5285
@benlindner5285 3 жыл бұрын
I'm interested in really long passage planning, like West Coast N America to S. Pacific. Is it even possible to plan that long range? Do you just sail and tweak your routing as you get updates?
@charonstyxferryman
@charonstyxferryman 3 жыл бұрын
@@benlindner5285 Quote you ; " Is it even possible to plan that long range?" If possible, I would harbor hopping, and make passage planning decisions as you go. Other than that there are the recurring patterns. Summer weather is better than winter weather. There is a cyclone/typhoon/hurricane (⇽ those words have the same meaning) season, and the monsoon season as well.
@TheOKellys
@TheOKellys 3 жыл бұрын
I’ll try to do more of that. There is some passage planning in some videos from a year and a half ago....check the channel, I think the thumbnail on one of them is “Is you go How Fast?”
@TheOKellys
@TheOKellys 3 жыл бұрын
Yes Ben, on long passages, you wait for the proper time of year when average conditions are most favorable, then you head off with a good window and tweak along the way.
@mikemessina6710
@mikemessina6710 3 жыл бұрын
YES YES YES, Please give the break down as if explaining to a (idiot) child. lol... Very Tough digesting this when not familiar at all. Thanks my friend,,, LOVE the content!
@peterlitchford13
@peterlitchford13 3 жыл бұрын
This is a much needed amplification of weather tools available to sailors today. Personally, I would put that information ahead of GPS based navigation when off shore! Well done!
@donb4386
@donb4386 3 жыл бұрын
Well that was fascinating and underscored how little I know about the weather or the wind models (Predict Wind) I use. Learning more will become another of my winter projects. Thanks for doing this.
@davidolson7575
@davidolson7575 3 жыл бұрын
Another fantastic video, I’m so happy that you Able to get the interview and you did an awesome job. I’d like to see you do more on this type of video in again thanks so much be safe and take care
@chrisbennett5510
@chrisbennett5510 3 жыл бұрын
Fantastic information! Thx to you for sharing your knowledge, insights, and experience. Cheers.
@martineisenschmied435
@martineisenschmied435 3 жыл бұрын
This was a very helpful video. I had seen other videos on weather apps, but not with this kind of detail. Thank you.
@FrankConforti
@FrankConforti 3 жыл бұрын
Thank you for this “deep dive” into what goes into forecasting. Despite the complexity of dealing with so many variables you make it easier for the layperson to understand just what goes into accurate modeling and forecasts. Thank you again
@donhamblen8060
@donhamblen8060 3 жыл бұрын
Great video. We have used Predict Wind standard for cruising from Pensacola to the Keys/Bahamas for the last three years. The passage planning is great for picking the window (from four sequential days). After picking the day, you have the four models to review for the passage plan. (The CAPE model is also helpful to forecast the potential convective activity.) Predict Wind is very accurate and it's fun to compare the models along the passage.
@josephpaulson4479
@josephpaulson4479 3 жыл бұрын
Nick, thanks for all the amazing content! I'm reading your book right now and it is great. Keep up the good work.
@TheOKellys
@TheOKellys 3 жыл бұрын
Awesome, thank you!
@vincentbarkley9121
@vincentbarkley9121 3 жыл бұрын
You knocked this one out of the park. Excellent. Thank you.
@mandmmilling3716
@mandmmilling3716 3 жыл бұрын
This video was great!!! exactly what i needed for my up coming trip up the west coast to the Dalles.
@jimwilson9005
@jimwilson9005 3 жыл бұрын
Again thank you very much for the added information I learned more today than I have in years about the weather
@sjf1stgrade699
@sjf1stgrade699 3 жыл бұрын
Excellent Info. Thanks so much for doing this video. Well done!
@dancampbell8149
@dancampbell8149 3 жыл бұрын
Very well done thank you. I took a weather course in boaters university and this helped connect some dots.
@thorcloud5172
@thorcloud5172 3 жыл бұрын
Great video thank you. Lots of information that i was going to research.
@sylvaingregoire9008
@sylvaingregoire9008 3 жыл бұрын
i watched and listened twice and now realize that i need a weather terminology dictionnary, so if this is the intro to weather mapping, weather 101 will be most interesting (i used will be) , because im hopeful. Just noticed that your eye has completly healed, im very happy about that although i kinda miss the pirate patch, and lastly i miss the yatch rock, great work, stay safe.
@scottseaman6247
@scottseaman6247 3 жыл бұрын
Thanks for the info, just downloaded the Windy app
@TraneFrancks
@TraneFrancks 3 жыл бұрын
Thanks for this, Nick. I hadn't realized that there is a free level of Windy. I just downloaded it, despite not having a boat yet, to flesh out the information for the typhoon season here in Tokyo. It's fascinating to see the winds in Windy and compare it to the track and forecast discussion on CIMSS Tropical Cyclones.
@torstenhansen4308
@torstenhansen4308 3 жыл бұрын
Nice to see you geek out👍. Great job.
@PaulBeauchemin
@PaulBeauchemin 3 жыл бұрын
Great video. The interview took me back to discussions in Chem Engineering classes
@iwashpowercleaning7724
@iwashpowercleaning7724 2 жыл бұрын
This is the best video across the platform that I’ve watched about the subject by FAR. Great job Nick, Fair winds for us all…
@johnburkey1135
@johnburkey1135 3 жыл бұрын
best weather video for cruisers ive seen - bravo
@Dave-SailsAway
@Dave-SailsAway 3 жыл бұрын
Best sailing vid I've seen in well over a month. Very informative.
@TheoSmith249
@TheoSmith249 3 жыл бұрын
I used to use Herb Hilgenberg, via SSB for Atlantic/Caribbean routing back in the early 90's. He was based in Burlington Ontario, and held a check in Net every day for years routing sailors. We always sent him a nice 'stipend' every yr. Thanks for this vid. It's excellent to have an experienced users perspective.
@pleclerc1
@pleclerc1 3 жыл бұрын
Another great video guys. As always, I learn a lot from watching your channel, so thank you for taking the time to produce these super informative videos.
@pleclerc1
@pleclerc1 3 жыл бұрын
You know a video showing us how you read the winds and seas on your devices for short and long distance trips would be pretty cool IMO :)
@forsuccessforlife7441
@forsuccessforlife7441 3 жыл бұрын
Nicely done! As always, very informative!
@TheOKellys
@TheOKellys 3 жыл бұрын
Appreciate it! Glad it was helpful!
@keithwalker8990
@keithwalker8990 3 жыл бұрын
This is a great video, I think ill need to watch it again or maybe three times.
@aleroxit
@aleroxit 3 жыл бұрын
Weather geeking! Nice!
@garethjones1111
@garethjones1111 3 жыл бұрын
Thank you for doing this episode I found it really helpful and informative.
@bilsabo
@bilsabo 3 жыл бұрын
What a great video, Thank you for this!
@clearthedek
@clearthedek 3 жыл бұрын
Nick, wanted to let you know that I totally geeked out on this. I’ve been using PredictWind for a while now is my go to and it was great affirmation hearing from both you and the founder of predict wind. Weather is never a constant in the power of mother nature is always awesome, so thank you so much for doing this video
@TheOKellys
@TheOKellys 3 жыл бұрын
I’m glad Jordie. Jack is a good guy. Could geek out with him for hours.
@svsavinggrace8331
@svsavinggrace8331 3 жыл бұрын
This is a fantastic video. Thank you so much.
@RiverWoods111
@RiverWoods111 3 жыл бұрын
This is very interesting! Since moving to the South where I am now in Tornado Alley and tropical storms, I have really taken an interest in the weather and what it is doing, so I know what to expect. I consider this to be my training! LMBO
@jasonwoodall2371
@jasonwoodall2371 2 жыл бұрын
Keep this coming. Ventusky and windy are windy are great! I’ll pay for apps when I start going offshore. Love this info. Keep it going
@johnwilliamson6624
@johnwilliamson6624 3 жыл бұрын
Great informative video and thank you.
@bearparts
@bearparts 3 жыл бұрын
Ok, now I know I need to study more on this... Thanks for the great info.
@cavcom
@cavcom 3 жыл бұрын
I'm looking for my first sail boat now and am studying all the info I can find. Wanted to thank you for all of this and have been following you for a bit now. Maybe someday ill see you in a warm sunny harbor in the Caribbean.
@karlmartinlind5070
@karlmartinlind5070 3 жыл бұрын
Thanks, super interesting and useful - and the bromance, funny 😆
@JohnCornellier
@JohnCornellier 3 жыл бұрын
As others have mentioned, would love to see a "weather 101" episode or even mini-series. From a theoretical introduction, to global systems, to the effects of local terrain. I wish I could look at the jet-stream-level map and have some idea of what local effect that will have.
@burlms
@burlms 3 жыл бұрын
Super helpful, thank you!
@ttpersonalaccount
@ttpersonalaccount 3 жыл бұрын
Thanks for sharing all this
@benlindner5285
@benlindner5285 3 жыл бұрын
Excellent and very helpful! I planned on a GO and PW so it is nice to know I am on the right track. I sail for the S. Pacific in March '21!
@TheOKellys
@TheOKellys 3 жыл бұрын
Hope we see you out there Ben!
@glennedwards1449
@glennedwards1449 3 жыл бұрын
Judging from that interview I think Nick is in love! Definitely a Bromance going on there :)
@TheOKellys
@TheOKellys 3 жыл бұрын
lol
@Ron-zr6se
@Ron-zr6se 3 жыл бұрын
Very useful information and once gain a great video.
@JibeTalking
@JibeTalking 3 жыл бұрын
Thanks Nick, great review of Predict Wind, I have downloaded it and use it. As a retired U.S. Army Intelligence Officer we briefed commanders on weather effects on battlefield operating systems, terrain, flight and and of course troops on the ground. As well I have a minor in geography from Southern Illinois University which had a weather component to it. I am a bit of a weather nerd so, I love what your are talking about and understand just how important weather data is before you go on voyage across the ocean. I am coming to you from Turks and Caicos, Seven Stars Resort and Spa. Doing some Scuba tomorrow and am looking forward to getting under the water. But had to look at the weather data to get back out on the water... Good look to getting back to Clarity when you do. Be safe and we look forward to your next videos.
@TheOKellys
@TheOKellys 3 жыл бұрын
Hey Ron, I (Nick) was a geography undergrad after my meteorology program was cut by Measure 5 legislation. Love geomorphology myself. Enjoy T&C! Say hi to the fishes for us.
@thewedword
@thewedword 3 жыл бұрын
Weather Professor Nick, great video, excellent guest, alumnus and sailor, another weather headjust like you, thanks this information and insight makes us all better sailors! Love it man! Thanks for sharing
@TheOKellys
@TheOKellys 3 жыл бұрын
Capt. Prof. Nick Esq. LOL. Thanks DJ!
@miked5563
@miked5563 3 жыл бұрын
Thank you, Master weather wisconsin pro. Actually, just thank you. Best feature seems to be wind and tide option. Thanks for sharing.
@dariusseo480
@dariusseo480 2 жыл бұрын
Really thoughtful discussion
@maus0292
@maus0292 3 жыл бұрын
Love this content. It’s great info that seems to be said but not explained on other channels. I wonder what you think of the app “MyRadar” they have added lots of features over the last year. Also - do these models take into account solar radiation or surface heating and water temps to forecast? Not i don’t have a background in this. Is there is good laymen’s book to understand forecasting specifically for sailing or in general. Or are you writing one
@danielboughton3624
@danielboughton3624 10 ай бұрын
Saw the beginning and thought that looks like the PNW coastal range and sure enough... Fun discussion on the weather app and models at the end. Very valuable to get into the geek level detail questions with the designer. Having sailed in the sound and Hood's canal the thermals are always a thing. Sailing near land mass especially with mountains and the cool water below you learn quickly to pay attention. You can run up/down a coastline avoiding general offshore wind/current trends if there is a local variation that is favorable. This is also true on the east coast where I am now. I get interior wind patterns plus thermals until I get closer to the ocean and then there is confused wind and then the offshore trend dominates.
@sailingkaimana9776
@sailingkaimana9776 3 жыл бұрын
Fantastic video thanks Nick! And yes, the Aussie accent is the best 😂😉
@lorneserpa5888
@lorneserpa5888 3 жыл бұрын
Great vid!
@FtLMale1
@FtLMale1 3 жыл бұрын
Wow, a lot to digest. And the comments echoed many of my own thoughts and questions. Now I realize I’ll need to budget time (learning curve) and money for one of the most important ingredients I’m seeking when sailing offshore... Good Weather!
@TheOKellys
@TheOKellys 3 жыл бұрын
It's a huge subject, but it is literally the whole ball of wax in terms of good times vs bad times on a small boat. Or any boat.
@fitcoupleslife6739
@fitcoupleslife6739 3 жыл бұрын
awesome Video!! Thank you
@kevsworld69
@kevsworld69 3 жыл бұрын
Weather novices have been educated by masters in this video, for which I sincerely appreciate and thank you! Perhaps this is an intro to a few weather classes by our favorite offshore team. Would you consider minimizing our weather naivete with a walk through of a route planning through interesting patterns? This long awaited video is awesome! Thank you
@It-b-Blair
@It-b-Blair 3 жыл бұрын
Great gratitude!!! 🙏🙏🙏🙏
@skulijakobsson5116
@skulijakobsson5116 3 жыл бұрын
Brilliant! Thx!
@JJ82IOE
@JJ82IOE 3 жыл бұрын
Wind guru is fantastic!
@Daniel-lf3vj
@Daniel-lf3vj 3 жыл бұрын
excellent my wife and I are going to go board our first sailboat next week and sail it down to florida from new york, very nervous your video helps alot with the detailed information you provided. Thank you very much
@TheOKellys
@TheOKellys 3 жыл бұрын
That’s quite a voyage! Fair winds!
@vxnova1
@vxnova1 3 жыл бұрын
Thanks for sharing , love these types of videos, Note that Ventusky is now $2.99
@oceansquatch1481
@oceansquatch1481 3 жыл бұрын
Great video Nick! Really appreciate the drill down on weather and route planning. Might there be a book or video course in the future?
@TheOKellys
@TheOKellys 3 жыл бұрын
I need more time than I have. I need another Nick....who will work for what I pay myself. lol
@lyndajenkins9145
@lyndajenkins9145 3 жыл бұрын
I'm fascinated with atmospheric science and would like to learn more about forecasting, without going back to graduate school. This video was very helpful. Do you have additional advice for developing a theoretical underpinning of forecasting?
@remybrouwer8700
@remybrouwer8700 3 жыл бұрын
Excellent, very helpful
@stevewildman1045
@stevewildman1045 3 жыл бұрын
As a pilot, you use all available weather tools, and in my opinion you can't ever learn enough on the variables of changing weather, wind and clear shear. Thanks for sharing this info as I live just a stones throw from the ice near Lockwood Folly inlet, NC coast. I will explore the mentioned programs.
@TheOKellys
@TheOKellys 3 жыл бұрын
Do a bit of flying when I can as well. Luxury we have on the boat weather-wise is a little more time to consider things, usually less risk of icing, and with Clarity....unlimited fuel.... :) Fly well my friend.
@zetetimm
@zetetimm 3 жыл бұрын
Great video Nick!!! I love the background #missyousugar
@Papaondas
@Papaondas 3 жыл бұрын
fantastic video, u are a * Nick, calm and clear explanation of a very important subject , thanks for charing your knowledge
@alimitchell5346
@alimitchell5346 3 жыл бұрын
Great insight..👍
@williamediger3193
@williamediger3193 3 жыл бұрын
Thanks so much for this well produced and structured video. As a long time pilot I have slightly more understanding than the average Joe (only slightly) but of course my predictive capacity is improved by the average very short window needed for a safe flight and restricted to the areas well above the surface. People rarely appreciate the incredible complexity of these models and the dependency on limited data collection ability especially offshore! I have only sailed offshore a few times and that was a number of years ago when these models and apps were not available. It was hold your wet finger up and look at the wind vane and barometer. Scary stuff sometimes. Thanks again for the video and the info on the available predictive software that can now significantly improve both my knowledge and my peace of mind. Stay Safe.
@TheOKellys
@TheOKellys 3 жыл бұрын
I’m hoping that these weather/sailing apps for cruisers evolve to where Foreflight is! Amazing power with these tablets in our hands
@williamediger3193
@williamediger3193 3 жыл бұрын
@@TheOKellys Absolutely! It is wonderful the age we live in with the rapid advancements. The old Arthur C. Clarke adage holds true, "Any sufficiently advanced technology will be interpreted as magic to the natives". Welcome native!
@carlosvallejo4926
@carlosvallejo4926 3 жыл бұрын
Hello Nick If there is a library of must keep must watch videos, this one will be number one. That was one of the most interesting videos I have ever watched. If I was a fan of meteorology now I am addicted. Thank you , amazing knowledge. Cheers from NYC
@TheOKellys
@TheOKellys 3 жыл бұрын
Thanks Carlos!
@giovannifiorentino8947
@giovannifiorentino8947 3 жыл бұрын
Nick, great video about life importance matter for sailing. Please keep including the short one minute introduction to weather forecast and rout with clouds type identification on each sea passage. It makes a useful practice.
@TheOKellys
@TheOKellys 3 жыл бұрын
You got it!
@GrantGrove
@GrantGrove 3 жыл бұрын
I also found GRIB US or UGrib Very useful and helpful as a weather tool years ago.
@robertflindall4692
@robertflindall4692 3 жыл бұрын
You're welcome for clicking. :P I would love to see more weather related sailing videos and you are the perfect person to serve them up!
@kaylaandjimbryant8258
@kaylaandjimbryant8258 3 жыл бұрын
Ditto! A cruising meteorologist!
@stevesooby8297
@stevesooby8297 3 жыл бұрын
Good stuff.
@Spar19row
@Spar19row 3 жыл бұрын
It took me years to figure out all the functionality in my GPS. I think the same will hold true for these weather applications.
@jamelweatherspoon363
@jamelweatherspoon363 3 жыл бұрын
Very informative. Would like to see you do a follow-up video focusing on voyage planning using the apps. Really like how professionally you are invested in this topic. Really showed what to expect from these apps. I want more! Saved in my favorites.
@TheOKellys
@TheOKellys 3 жыл бұрын
Thanks Jamel. Will try to integrate into the vlogs this season
@SailingLifeonJupiter
@SailingLifeonJupiter 3 жыл бұрын
Great info!
@TheOKellys
@TheOKellys 3 жыл бұрын
Glad it was helpful!
@robthompson7174
@robthompson7174 3 жыл бұрын
Great vid, Nick. Thanks for that. I'm down the learning path with my marine meteorology and finding one area where I'm a bit stuck, maybe you can help. Can you suggest a resource for learning more about the impact of upper atmosphere interaction with weather systems, specifically the 500mb level winds? I understand the 3 dimensionality of the nature of the air stream and the divergence/convergence with low/high pressure systems, but how do we use that to anticipate whether a system will intensify or be stable? I have Steve Dashews Weather Book that discusses it, but that's about it. I use earth null school for watching the air stream at 500mb and how the circum-polar lobes extend into the 30 latitudes, but I don't get the "so what?" yet. Do you know where else I can read on this topic? Much appreciated !
@SkylersRants
@SkylersRants 3 жыл бұрын
Fascinating.
@SailingPauHana
@SailingPauHana 3 жыл бұрын
Great episode. Very informative. I wish all of my hobbies were not weather dependent (sailing, flying..etc.). I'm curious if you've seen forecasts that were way off....so off that it was dangerous?
@TheOKellys
@TheOKellys 3 жыл бұрын
Yes, sometimes. There have been several documented cases of "bomb cyclone" formation which all of the models miss. We were actually caught in one of those staying in at Lucaya many years before the sailing adventures. Mostly though, I see models overdoing it in some frontal situations and "overreacting."
@VERTICALWisdom
@VERTICALWisdom 3 жыл бұрын
Your obvious passion for sure. Bit above us mere sailors - would be nice to see a series of short videos on a specific decision making process given a set of conditions. Because of this ... we decided to do xyz. Thanks for the great content.
@TheOKellys
@TheOKellys 3 жыл бұрын
Good idea. When we get underway again on Clarity in a couple weeks, I am going to do a bit more of that...or will try. I do get the feeling that this is boring stuff for a lot of people...but it shouldn't be...absolutely critical to good trips.
@VERTICALWisdom
@VERTICALWisdom 3 жыл бұрын
@@TheOKellys Don't believe sailors find it boring at all, but short takes on how you process the info for a voyage is practical and we can all learn from it.
@tvonzweck
@tvonzweck 3 жыл бұрын
Best book I've ever found on weather - Modern Marine Weather by David Burch, recommended by those who have gone before me. It blows me away how much more information he provides and in such a way that if I read it some of it a few times, I comprehend. What a great video you did. Really enjoyed the interview. Q: what does it mean when a model "blows up" or "runs away"? I really appreciate you taking the time to do this. I have started the PW / Iridium Go purchase process no less than 3 times in the last few months and then pulled back. I'll check out your affiliate link.
@TheOKellys
@TheOKellys 3 жыл бұрын
There are a lot of positive feedback processes in the real atmosphere...”nonlinearities” we call them. Too many and too detailed to get into here. But bottom line, in the real atmosphere, little things can have tremendous effects. So the geniuses who build these models try to capture these nonlinear processes, but they can be “too sensitive” in some circumstances and the model solutions get out of control with feedback loops sometimes. That’s what we mean by blowing up. Now this happens with all models all the time, and so there are “smoothing” algorithms applied at some grid scales and time scales in an effort to keep things reigned in....but that can go too far as well.... So the best models for any particular kind of initial conditions are best at “attenuating” these nonlinear processes realistically. It is a very difficult task for any model.
@Peter_Herrman
@Peter_Herrman 3 жыл бұрын
Great stuff Nick! I'm sure Megan appreciated a week off from the limelight. ;o) Next week, sewing machine comparison!
@jeremiahjahn
@jeremiahjahn 3 жыл бұрын
Well, that was just awesome. Thanks for the info. I find software generally easier to use once I understand what the developer's intentions are. So getting it straight from the horse's mouth makes predict wind's features and foibles far clearer. To me the key was that it's really about showing the range of possibilities to be prepared for.
@TheOKellys
@TheOKellys 3 жыл бұрын
exactly. anyone who says..."hey the model was wrong"....just doesn't understand how models work or how to forecast. For the foreseeable future, a human being is required to make a good forecast. That will change eventually, but for now....a (skilled) person needs to know the limitations of each model and the range of possibilities. This video wasn't really about forecast, but maybe that's a topic for another video.
@jeremiahjahn
@jeremiahjahn 3 жыл бұрын
@@TheOKellys yes please!
@kaylaandjimbryant8258
@kaylaandjimbryant8258 3 жыл бұрын
I can recommend a couple of older books that are useful to cruisers that we have found helpful: "Mariner's Weather Handbook" and "Surviving the Storm", both from 1999 by the Dashews (Steve and Linda). The latter should be in every cruiser's library. Although we have some nicer tools now than weatherfax (still important), his advice and case examples are still good, imho.
@othereyesediting6783
@othereyesediting6783 6 ай бұрын
Overly technical for me, but I'm sure it's a wealth of info for those sailors able to use the apps and tools.
@JayBr61
@JayBr61 3 жыл бұрын
I watch you guys, and I watch Delos. I really appreciate that you don't try to imitate Delos. I watched two episodes on another channel, and they even danced around to the Delos theme song. I love what Delos does, but I envision myself sailing more like you guys. Love these in-depth discussions of sailing topics. Fair winds and following seas!
@TheOKellys
@TheOKellys 3 жыл бұрын
Thanks! I don’t think we’d do a very good Delos. They are way cooler than us. Lol
@JayBr61
@JayBr61 3 жыл бұрын
@@TheOKellys Way cooler than this old dog, too. And I'm good with that.
@wetwaterfish
@wetwaterfish 3 жыл бұрын
Hi guys! Thanks for all your usefull content in your videos. I see the only main difference between the standard and professional package is the Ocean/Tidal Currents feature. In your opinion, is it worth paying double for that one feature? (a circumnavigation is in future plans)
@TheOKellys
@TheOKellys 3 жыл бұрын
Hey there! Other difference is the 1km resolution model data and more extensive gribs from ECMWF, including wave model. Both the ocean and 1km data is going to be very hard to access offshore due to file sizes. However, if you are going to be operating around strong currents like off E coast of USA, SE coast of Africa, N of Australia, that can be very useful with passage planning. The high res model data is also most useful around land masses where cell signal is going to be more realistic. So yes, you are paying a lot more, but there is also a lot more potentially useful data. If this is all new, go for Standard and upgrade. If you are into serious offshore prep already, I do think having all the Pro data is helpful.
@pbristow
@pbristow 3 жыл бұрын
Excellent video - thank you! Unless I missed it, I don't think you mention the free portion of PredictWind, which is all we use. The PWE and PWG models are available down to 8km resolution for free on both phone and web/laptop.
@TheOKellys
@TheOKellys 3 жыл бұрын
Right! And really, that's all we need. We go Pro so we can get downloads over Iridium.
@EricEversonArtAndDesign
@EricEversonArtAndDesign 3 жыл бұрын
Excellent video! The interview was interesting to listen to, but I got lost in the jargon more than once. Still, I appreciate that you went reasonably deep in a short amount of time. I'm a weather newB, so my question is basic: When modeling over bodies of water, do they look at the currents bringing warm waters that may radiate heat?
@TheOKellys
@TheOKellys 3 жыл бұрын
Well, I am not a modeller but I believe the ocean surface parameterizations are integral. How that is handled exactly, I am not sure, but the latent heat energy of the ocean is a primary driving force.
@jerryprsha1389
@jerryprsha1389 3 жыл бұрын
I'd love to see more info on AIS and internet, etc.
@joelgunderson396
@joelgunderson396 3 жыл бұрын
I'm curious as to whether you also download the NOAA maps showing the highs, lows, isobars, fronts etc to compare the models from the apps. I am going to be starting my journey in the next couple of months. Ive done the ASA 119 weather class and have downloaded those and the text forecasts to try to get an accurate picture of what is coming
@TheOKellys
@TheOKellys 3 жыл бұрын
Naaah, no need for someone to draw that stuff in for me. I can see fronts, highs, lows, etc. right on the data.
@jvodan
@jvodan 3 жыл бұрын
I am big fan of predict-wind, I use the high precision model to plan sailing on my local harbor. Weather 4D recently drop Android support as it is not a 64 bit app and google play store has dropped 32bit app. The IOS app is still supported and under active development
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