Narrative:

I was enroute from hec VOR to pga VOR. While enroute I was over broken to scattered clouds several thousand feet below me. As I proceeded; the clouds became overcast still below me. My weather program showed a narrow band of clouds in my path about 30 miles west of pga with tops less than 17;500 ft; which I was flying. As I approached the clouds; they were rising and higher than 17;500 ft. I could have reversed course but since they were rising I would still have to climb above 18;000 ft. I climbed to 19;000 ft and within 5 minutes was able to descend clear of clouds. Lesson learned: file IFR if there is weather that could possibly be worse than forecast.

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Original NASA ASRS Text

Title: General aviation pilot anticipates being able to clear clouds at his cruise altitude of 17;500 FT according to his on board weather program; but finds the tops to be higher. Reporter elects to climb to 19;000 FT until clear of clouds and continues to destination.

Narrative: I was enroute from HEC VOR to PGA VOR. While enroute I was over broken to scattered clouds several thousand feet below me. As I proceeded; the clouds became overcast still below me. My weather program showed a narrow band of clouds in my path about 30 miles west of PGA with tops less than 17;500 FT; which I was flying. As I approached the clouds; they were rising and higher than 17;500 FT. I could have reversed course but since they were rising I would still have to climb above 18;000 FT. I climbed to 19;000 FT and within 5 minutes was able to descend clear of clouds. Lesson learned: file IFR if there is weather that could possibly be worse than forecast.

Data retrieved from NASA's ASRS site as of July 2013 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.