Short Answer 
To achieve instant water freezing in the air, the temperature must be around -30¬∞C (-22¬∞F), which is significantly lower than water’s normal freezing point. Super-cooled water can remain liquid below 0¬∞C until it’s thrown into the cold air, where it rapidly crystallizes, creating impressive ice formations. Additionally, water’s unique properties, like density and heat capacity, greatly influence environmental factors and weather patterns.
Step 1: Understand the Required Temperature
To observe water freezing instantly in the air, it is essential for the air temperature to be significantly below freezing, typically around -30°C (-22°F). This low temperature allows for effective freezing of water particles as they are thrown into the air. The key here is that the air temperature needs to be at least 30 degrees Celsius lower than the normal freezing point of water (0°C) for this phenomenon to be noticed.
Step 2: The Role of Super-Cooled Water
Despite the freezing point being 0°C, water can exist as a liquid even when the temperature dips below this threshold due to a state known as super-cooled water. This condition allows water to remain liquid without immediately freezing, which can occur in very cold, dry environments. When thrown into the frigid air, this super-cooled water can rapidly crystallize into ice, creating a spectacular visual effect.
Step 3: Environmental Implications
The unique properties of water, such as its density and heat capacity, play a critical role in our environment. For instance, ice is less dense than liquid water, allowing it to float and influencing weather patterns significantly. The large amounts of energy needed to change water’s temperature can affect how water responds in various weather scenarios, such as the formation of snow or how spraying water on crops can provide protection during frost by freezing at higher temperatures.