WX DEVS; TURB AND LOSS OF AUTOPLT RESULT IN MINOR ALT EXCURSION ON DEP FROM DEN.

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THE EVENT OCCURRED ON DEP FROM DEN; FLYING THE PLAINS 2 DEP. 50 NM E OF ACO; OUR RADAR PAINTED LEVEL 4 AND LEVEL 5 TSTMS IN THIS AREA WITH SEPARATION THAT ALLOWED US TO FLY AROUND GIVEN OUR OPS SPECS AND FOM. ZDV ADVISED US WE COULD DEVIATE AS NECESSARY. PER OUR REQUEST; HDG DEVS AS MUCH AS 50-60 DEGS WERE USED. ZDV CLRED OUR FLT TO FL290. APCHING FL210 WE SHALLOWED OUR ASCENT RATE TO PLUS 300-600 FPM TO AVOID A LARGE OVERHANG. AT FL215 WE BEGAN EXPERIENCING HVY MODERATE TURB AND A WINDSHEAR. MOMENTS LATER; CTR ASKED US IF WE WERE CLBING TO FL290. I SAID YES; AND ADVISED HIM WE WERE CLBING AT PLUS 300-600 FPM. HE ASKED IF WE WERE DSNDING. I SAID NO; AND I REQUESTED FL190. HE WAS UNABLE AND GAVE US FL220. FROM FL210 TO FL220; ZDV FREQ WAS RATHER CONGESTED AND IT WAS DIFFICULT TO GET A WORD IN. WE NEVER HAD A TCASII ADVISORY; NOR HAD ZDV TOLD US THAT AN ACFT WAS IN TRAIL OF US CLBING. ALTHOUGH WE DID CALL THE ACFT IN SIGHT; UPON LEVELING AT FL220; THE MODERATE TURB DISCONNECTED THE AUTOPLT. DURING RECOVERY; WE LOST 100-150 FT OF ALT. WHEN HANDED OFF TO THE NEXT CTLR; I RPTED THE MODERATE TURB.