ACR MDT ENCOUNTERED TURBULENCE ON DESCENT; FA INJURED. COMPLAINS ABOUT FLT CREWS NOT PASSING ON WX REPORTS TO ATC.

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WHILE APCHING ROANOKE (FROM THE SECTOR) AT 10000'; WE WERE CLRED TO DSND TO 6000'. AT ABOUT 29 MI FROM ROA; I INITIATED THE DSCNT. THE CAPT HAD INFORMED THE F/A TO CLEAR UP THE CABIN AND BE SEATED DUE TO POSSIBLE TURB AT LOWER ALTS. DURING THE INITIAL DSCNT; THE INTAKE DEFLECTORS WERE EXTENDED AND THE ACFT WAS SLOWED AS WE APCHED A SCATTERED CLOUD LAYER (LENTICULAR CLOUDS SEEN IN THE AREA EARLIER IN THE DAY). PRIOR TO 6000' WE WERE CLRED TO CONTINUE TO 3800'. AT AROUND 6000' I AVOIDED SOME CLOUDS BUT HAD TO PENETRATE 1 CLOUD; ENCOUNTERING SOME MODERATE CHOP IN THE CLOUD. ONCE IN THE CLR; WE CONTINUED ON AN EXTENDED BASE TOWARD THE ARPT. DURING THIS TIME; WE ENCOUNTERED A SHORT PERIOD OF MODERATE CHOP IN WHICH THE ACFT DROPPED SHARPLY. WE CONTINUED TO DSND THROUGH 3800' ONTO A FINAL FOR RWY 33 AT ROANOKE. THE REMAINDER OF THE APCH AND LNDG WAS UNEVENTFUL. ALTHOUGH THE F/A HAD TOLD US THAT SHE WAS ALRIGHT IN THE AIR; ONCE ON THE GND SHE TOLD US THAT SHE HAD BEEN THROWN AROUND A BIT DURING THE LAST TURB WE HIT. SHE HAD REACHED OVER TO STRAIGHTEN OUT SOME MAGAZINES AND THE TURB CAUGHT HER BEND OVER WITH HER SHOULDER STRAPS LOOSENED (SHE DID NOT WORK THE NEXT DAY). SIGMET 22 LISTING TURB AT THE LOWER ALTS HAD BEEN CANCELLED AND THERE WAS NO INDICATION OF TURB IN THE ROA AREA ON THE ATIS. SINCE THE ACFT HAD BEEN SLOWED TO NEAR TURB PENETRATION AIRSPD; I'M NOT SURE WHAT ELSE COULD HAVE BEEN DONE. A RPT OF TURB WOULD HAVE BEEN NICE; BUT APCH CTLR MAY NOT HAVE RECEIVED ANY FROM DEPARTING/ARRIVING ACFT. DUE TO MIL DUTIES; I HAVE HAD A 6 YR BREAK FROM STATESIDE FLYING. IT SEEMS THAT THERE ARE A LOT FEWER RIDE RPTS OR RPTS ON TURB; ICING CONDITIONS; ETC FROM ACFT NOW THAN THERE WERE A FEW YRS AGO. THERE ARE STILL SOME INTERCOMPANY RPTS; BUT RPTS TO ATC FACS AND BTWN ACFT OVER THE SAME ROUTE ARE FEW AND FAR BTWN. RECOMMEND RENEWED ENCOURAGEMENT BY ATC TO GET THESE RPTS TO ACFT THEY ARE WORKING. CURRENTLY SOME CTLRS SEEM TO APPRECIATE; OTHERS EITHER IGNORE IT OR SEEM INSULTED.