Without looking back, can you please clarify that you have checked to see if courts are open for temporary support orders. I really think they would be as that certainly seems essential.
If courts are seeing these cases, you need to jump on this ASAP as usually it is set a little higher to motivate people to settle their divorces.
Look carefully into emergency court hearings.
Me 41, H 47, M 15 yrs, S11, S13 BD 1: 11/4/14 we work on it; really I pretzel myself BD 2: 3/31/15 H goes down to "dorm room" 8/15: H back to MBR 10/15: H back in dorm room 1/18: H files, now divorced