Narrative:

The event occurred on departure from den, flying the plains 2 departure. 50 NM east of aco, our radar painted level 4 and level 5 thunderstorms in this area with separation that allowed us to fly around given our operations specifications and fom. ZDV advised us we could deviate as necessary. Per our request, heading deviations as much as 50-60 degrees were used. ZDV cleared our flight to FL290. Approaching FL210 we shallowed our ascent rate to plus 300-600 FPM to avoid a large overhang. At FL215 we began experiencing heavy moderate turbulence and a windshear. Moments later, center asked us if we were climbing to FL290. I said yes, and advised him we were climbing at plus 300-600 FPM. He asked if we were descending. I said no, and I requested FL190. He was unable and gave us FL220. From FL210 to FL220, ZDV frequency 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 aircraft was in trail of us climbing. Although we did call the aircraft in sight, upon leveling at FL220, the moderate turbulence disconnected the autoplt. During recovery, we lost 100-150 ft of altitude. When handed off to the next controller, I reported the moderate turbulence.

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Original NASA ASRS Text

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

Narrative: 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.

Data retrieved from NASA's ASRS site as of July 2007 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.