Amar,<br><br>One of the issues with snowmaking is getting the water droplets to freeze. Supercooled droplets can occur at quire low temperatures and is no doubt and issue in snowmaking. I had heard and seen that some years ago, snowmakers were using additives (one creative one was a bacterium that had ice nucleating properties) to promote freezing even at temps just at or below freezing. I can imagine that the heat of crystalization can have an effect at the warmer temps, but considering the high volume of air used in relation to the relatively small amount of water in the airflow that evaporative cooling wouldn't be such a big factor at the low temps shown on your table. Do you know if these nucleating additives are currently being used?<br><br>Alan
