... In the semi-acid region of Colorado, the pH is constant at 7.30 in the firstpart of a storm and drops to 7.00 in the second part. In Italy, the pH oscillated between 6.4 and 5. 6, indicating the ... will also expand the belt of clouds containing ice north in the southern and south in the northernhemisphere. This in turn will increase daytime global cooling.8 FORMATION OF ICE IN CLOUDSPhase ... evaporates in the presence of ice, resulting in the ice growing. Under suchconditions, the surface temperature of the evaporating water drop decreases and the temperatureof the growing ice surface increases...