One thing to try for those surprise warm weekends: go ahead and brew, store the finished (boiled) wort in sealed plastic containers as you might for a no-chill method. https://www.homebrewtalk.com/wiki/index.php/No_Chill_Method
Then you can do a yeast starter, and pitch when the yeast is...
I condition in growlers, using this type of polyseal screw cap: http://www.northernbrewer.com/shop/28mm-polyseal-screw-30ct.html
They hold the pressure, carbing has been fine.
One thing, though. I don't use the tablets.
I use a carbonation calculator (NB has an online one, there are...
I love this recipe, and many/most of the people I share it with have said this is the best beer I've made. (Below are the 3rd and 4th batches I've made. That's not counting the 2 batches where I've used it as a base for pumpkin ale in past years.)
EdWort (and some others) make reference to...