Indicated airspeed increase near clouds

From:         acgales@aol.com (Acgales)
Organization: America Online, Inc. (1-800-827-6364)
Date:         12 Oct 96 02:36:05 
View raw article
  or MIME structure

I'm a new boy to turboprops; I have been warned about, and observed,
roughly a 10 knot increase in IAS when descending in an ATR-42 as it
approaches clouds.

Does anybody have an explanation for this phenomenon?

Thanks

Tony Gales

acgales@aol.com