Commercial Fixed Wing
Flight Crew Multiengine; Flight Crew Instrument; Flight Crew Air Transport Pilot (ATP); Flight Crew Flight Instructor
Communication Breakdown
ATC Issue All Types; Deviation - Speed All Types; Deviation - Track / Heading All Types; Deviation / Discrepancy - Procedural Published Material / Policy; Inflight Event / Encounter Weather / Turbulence
Air Traffic Control Issued New Clearance
Procedure; Weather
We had spoken with Dispatch two hours before the flight about the days weather. We agreed on a new route that would work for all parties and operation needs. The route was filed and clearance gave the route to us. In the departure climbout we got a reroute back into the weather; we looked at it and told them unable. ATC said the almighty TMU needed it. We cited our safety concern and they give us a route that was on the border line of legal; we then had no more options with the weather at hand. TMU had plenty of time to be aware of the route; and gave us the clearance. Why should we even flight plan if we are going to get thrown all these curve balls with no recourse in the air. This is a definite safety concern. TMU is too far overreaching.
Air carrier Captain reported filing reroute to avoid weather; but TMU issued a reroute resulting in an unsafe flight into weather.