History of The Weather Channel Network, and the "Forecast Earth"/environmental unit (however, certain portions of the "Forecast Earth" unit remain with TWC). The layoffs took effect on November 30 (The Weather Channel later stated it would air other environmental programs). With the shutdown of NBC Weather Plus that month as a result of NBC Universal's partial acquisition of The Weather Channel, certain meteorologists from the digital broadcast network were eventually integrated into TWC's on-camera weather staff; forecasting, radar and graphics systems used by other NBC Universal television news properties (including NBC News, CNBC and MSNBC) replaced the Weather Plus-branded banner graphics to fit The Weather
The Philadelphia study development to display any social significance. The nearly completed and most advanced changes displayed the most stability within the study and showed intermediate correlation with the middle classes. The new and vigorous changes—the focal point of the study—displayed the strongest curvilinearity and most clearly encompassed the linguistically innovative nature of the inner classes. Through these Results, Labov asserted the truth and significance of what he named the Curvilinear Principle. With the social information gathered from the interviews, he discovered that it is not the education or occupation factors that drove the middle class to spur linguistic change. Rather, it was