So, the email. I ended up just sending a "Hi how are you this is what I'm up to" email. Dropped in a "Haven't seen H since December so not looking good, unfortunately" amongst other things. No reply yet but she's a busy lady with 2 young kids so I'm not sweating it (we were in text contact a couple of weeks ago).
H 37 Me 36 Together 15 years Married 5 years No kids BD Apr 2014 H moved out 2 Jun 2014