The amount which you are being paid does not give you much room for severance. Most people who get severance are in executive positions within a company, or are high level staff with high pay. Severance for these individuals can be as little as 2 weeks salary and as much as 1 years salary. The higher of those two reserved for individuals who were able to negotiate this perk before accepting the job.
In these circumstances I would send this as an email or a letter.
It has been a true pleasure serving as the House Director for __________Sorority. I'm truly sad to be leaving your employ and face difficult challenges on the road ahead.
Because this notice of termination
came as a complete surprise to me and has caught me off guard as I am currently away from the house on a family emergency, I am in need of some consideration on your end to assist me through this transition. The notice period which you have given me does not provide me with enough time to return to the house and move my things out. Unfortunately, this means that I will have to incur some unexpected expenses in order to comply with your notice period.
I've been a loyal and honest employee and humbly ask that you consider granting me a two month severance pay of $1,600.00 in order to help me with this transition.
Thank you for your consideration of this matter and I look forward to hearing back from you.
This is just a suggestion on how I would approach it if I were in your situation.
I would follow this up with a phone call to the person you sent it to.