MILAN, Feb 20 (Reuters) - Weeks of dry winter weather have raised concerns that Italy could face another drought after last summer's emergency, with the Alps having received less than half of their normal snowfall, according to scientists and environmental groups. "We are in a water deficit situation that has been building up since the winter of 2020-2021," climate expert Massimiliano Pasqui from Italian scientific research institute CNR was quoted as saying by daily Corriere della Sera. See here for a complete list of exchanges and delays