Narrative:

I was working nlc [north local]; IFR WX (weather) so having to protect for missed approaches. I rolled an aircraft X on a 090 [heading] initially protecting runway xx miss. Landing assured; turned the aircraft X to a 110 [heading] as I had cleared another aircraft for takeoff on a 090. I shipped the first aircraft X to departure on the 110 heading. The following aircraft Y was close behind the preceding (one with departure on a 110; one with me on a 090) so I turned the second aircraft Y left to 060 vectors for spacing. As they start to turn; I see the TRACON starts to turn the preceding aircraft X to the left cutting out the aircraft Y I'm still controlling. I turn my aircraft further left to 040; and it appears TRACON does the same; so I turn mine left to a 360 to avoid any further potential collision. I shipped the second aircraft on the 360. I'm unsure if separation was lost but this was clearly an unsafe situation.this is probably the fourth or fifth time in the last couple of months; at least that I'm aware of; where a TRACON controller(s) has turned separated departures from ZZZ tower at each other; essentially un-separating them. The last we were told was that 'they (the controller(s) at TRACON) would be talked to;' which clearly hasn't helped. As this situation going unfolding; I'm audibly making it clear to the tower cab that this is happening. The supervisor was aware and made no call to the TRACON. Needless to say I was heated that they're (TRACON) still trying to put airplanes together and my anger escalated with the supervisor doing nothing about it. I said out loud 'that's it; get me out' because I could tell how upset I was and that nothing good was going to come from remaining on position that heated. The supervisor didn't do anything about that either; luckily a controller was working tmc (traffic management coordinator) and he came over and got me out on his own.when I got downstairs I called the tower recorded line and requested a report be filed to look into the possible loss of separation as it was clear the supervisor wasn't interested in taking action on their own. I called the recorded line again today around xa:00 local to ask if a report had been filed and the supervisor on the desk (different than the one aware of the situation) looked and said they don't see anything that I described. 22 hours after management was notified of a possible loss and nothing is done about it. It really shows what kind of safety culture we have in the FAA. At least I know I'm doing my part to move toward a safety culture; but it's just really discouraging to feel like the other half doesn't care. I guess the only thing I could think of to prevent this from happening (assuming these situations aren't deliberate; but a lack of understanding how to separate aircraft on TRACON's end) would be that TRACON shouldn't be allowed to turn departures from the heading ZZZ tower handed them on until the aircraft have vacated 5;000 feet (the altitude departures climb to out of ZZZ). It would also be nice to see management care about unsafe situations like this rather than decide they don't want to deal with it and file the paperwork.

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Original NASA ASRS Text

Title: Tower Controller reported problems with TRACON turning aircraft into each other causing conflicts.

Narrative: I was working NLC [North Local]; IFR WX (weather) so having to protect for missed approaches. I rolled an Aircraft X on a 090 [heading] initially protecting Runway XX miss. Landing assured; turned the Aircraft X to a 110 [heading] as I had cleared another aircraft for takeoff on a 090. I shipped the first Aircraft X to departure on the 110 heading. The following Aircraft Y was close behind the preceding (one with departure on a 110; one with me on a 090) so I turned the second Aircraft Y left to 060 vectors for spacing. As they start to turn; I see the TRACON starts to turn the preceding Aircraft X to the left cutting out the Aircraft Y I'm still controlling. I turn my aircraft further left to 040; and it appears TRACON does the same; so I turn mine left to a 360 to avoid any further potential collision. I shipped the second aircraft on the 360. I'm unsure if separation was lost but this was clearly an unsafe situation.This is probably the fourth or fifth time in the last couple of months; at least that I'm aware of; where a TRACON Controller(s) has turned separated departures from ZZZ Tower at each other; essentially un-separating them. The last we were told was that 'They (the Controller(s) at TRACON) would be talked to;' which clearly hasn't helped. As this situation going unfolding; I'm audibly making it clear to the tower cab that this is happening. The Supervisor was aware and made no call to the TRACON. Needless to say I was heated that they're (TRACON) still trying to put airplanes together and my anger escalated with the Supervisor doing nothing about it. I said out loud 'That's it; get me out' because I could tell how upset I was and that nothing good was going to come from remaining on position that heated. The Supervisor didn't do anything about that either; luckily a Controller was working TMC (Traffic Management Coordinator) and he came over and got me out on his own.When I got downstairs I called the Tower recorded line and requested a report be filed to look into the possible loss of separation as it was clear the Supervisor wasn't interested in taking action on their own. I called the recorded line again today around XA:00 local to ask if a report had been filed and the Supervisor on the desk (different than the one aware of the situation) looked and said they don't see anything that I described. 22 hours after management was notified of a possible loss and nothing is done about it. It really shows what kind of safety culture we have in the FAA. At least I know I'm doing my part to move toward a safety culture; but it's just really discouraging to feel like the other half doesn't care. I guess the only thing I could think of to prevent this from happening (assuming these situations aren't deliberate; but a lack of understanding how to separate aircraft on TRACON's end) would be that TRACON shouldn't be allowed to turn departures from the heading ZZZ Tower handed them on until the aircraft have vacated 5;000 feet (the altitude departures climb to out of ZZZ). It would also be nice to see management care about unsafe situations like this rather than decide they don't want to deal with it and file the paperwork.

Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.