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[lysaght]

Hey guys - is this an unusually large wave? It's the third to my fort, the first two being 6 then 8 in volume. Really underprepared for this. Is there any reason it's so large? Not that it's a problem - the more workers the better heh

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[deknegt]

You sometimes get massive migraine waves like that. It happens often when you have made a good start and your value is going up.

[Sutremaine]

Weird, I just had a much larger third wave than normal. (24, after getting 2 and 4. All adults.)

Usually I set the initial cap to 15-20 dwarves and spend a year or so on extended setup, but this time I left the cap at 35, to get straight up to my desired population of just under 50. I believe that incrementally altering the population cap to be a little above what you have currently results in smaller waves, since prior to this I've never had a migrant wave in the 20s.

[BanjoSnake]

I've had some very large migrant waves early on, even without much in the way of value in the fort. Have you created a large amount of meals? Meals get a quality modifier which can give them potentially very high values with decent ingredients/large stacks of ingredients.

[WoobMonkey]

AFAIK, migration wave numbers are a function of both your wealth creation, and the population of your home civilization.

The largest migration waves I've had were in the 60's, and they're not the largest that have been reported.  It's completely normal.

[BanjoSnake]

Ah the high lobster graces us with its august presence!

AFAIK, migration wave numbers are a function of both your wealth creation, and the population of your home civilization.

The largest migration waves I've had were in the 60's, and they're not the largest that have been reported.  It's completely normal.

if that is true even a small increase in wealth could cause a large increase in the size of migrant waves. Is wealth reported only once a year by the caravan/liaison for the purposes of migration waves like population? Or does it update more frequently?

[WoobMonkey]

From Wiki:

'Migrant wave sizes

The first two migrant waves have a minimum size of 1, if it has a relative in your group already, and a maximum size of 10. The size of these waves are unaffected by fortress wealth.
The third migrant wave and on are influenced by the created wealth of the fortress, with more wealth attracting more immigrants (more research is needed to determine specifics). Specifically, they're influenced by the fortress wealth as reported by the last outgoing dwarven caravan. Wealth created after the caravan leaves has no influence until the next year's caravan leaves. If the caravan fails to make it out then the fortress' wealth is not reported. The dwarven liaison does not report on fortress wealth, in those circumstances where the liaison makes it out but the caravan doesn't.
Imported wealth, caravan sales figures, absolute caravan profit and caravan profit margin either have no effect on migration numbers, or only have an effect by applying a percent modification to the numbers driven by created wealth. If a fortress manages to trade (not offer) away 100% of its created wealth then no immigrants will come the next season. More research is needed to determine if the aforementioned statistics have any influence on migration numbers.
One factor which is known to affect migrant wave size is the total size of your fortress's units list (all 4 categories), which consists of dwarves, invaders, merchants, and animals which either died or currently live at your fortress. As this number increases, the maximum size of migrant waves will be reduced: starting at a local population of 1000, migrant wave sizes are limited to 10, and at subsequent levels of 1300, 1600, 1800, 2000, 2200, 2400, 2600, 2800, and 2900, the limit is decreased by 1, and once you reach a local population of 3000 you will cease to get migrants at all.'

[VerdantSF]

I wish I could find the thread, but someone a while back had a migrant wave in the hundreds.  I actually go through and rename all dwarves in a migrant wave so that families share surnames.  Waves in the twenties are big enough.  Something in the hundreds would make me reconsider my naming convention.

[zacen299]

I've made a thread on this before but sadly my record was only I think 72 (at the time) if my memory serves. Seriously though if you don't want migrants don't make a lot of wealth early. I've done it and it can get very bad when 100-200 dwarves show up at once. Not good for the fort and not good for your computer.

[Nyxalinth]

Does just digging out a lot of gems and gold nuggets but not yet doing anything with them count to trigger huge migration waves?  My current fort was in Fall and everything had frozen, I hadn't yet found  the caverns, and I had about 120 dwarves, and just enough booze to get through until summer at that level--Spring if the elves brought any.  suddenly in winter I got the biggest wave I'd  ever had--40 people.  This plus some general fubars of my own (I made a mental note to watch the booze stockpiles, then got distracted and didn't).  By the time the elves arrived with some booze and I'd breached the caverns and built a well, I had lost nearly 100 dwarves to dehydration, berserkers, and tantruming.

I can't even imagine 100 all at once.

[lysaght]

Thanks for the replies lads. Must have been the platinum I dug up.

[Nyxalinth]

Thanks for the replies lads. Must have been the platinum I dug up.

Lass here   But yeah, I wager that's it.  I have huge honking amounts of gold in two of my forts... it's like an instant !!Fun!! magnet, whether or not you do anything with it.

[SkyRender]

 Eventually I started nicknaming my Dwarves after the wave of migrants they came from (ie. K12 is the 12th migrant from the 11th wave).  The largest I saw was 34 Dwarves strong, though admittedly that was the wave in which the queen came.

[Oort]

I've gotten like 60 at once before... it's not a fun time.

[lysaght]

Thanks for the replies lads. Must have been the platinum I dug up.

Lass here   But yeah, I wager that's it.  I have huge honking amounts of gold in two of my forts... it's like an instant !!Fun!! magnet, whether or not you do anything with it.

Apologies.

*Lads and lasses