I have looked into wind chill in the past in respect of sailing, in that instance it is the effect on the skin, I was interested in why wind chill seems to have such a great effect on exposed skin, relatively little and not excessively cold wind can cause the body to lose so much heat. Now clearly air passing across any surface will take away heat by convection (the same way that air passing through the fins of an aircooled engine cool it) however there seemed to be more to it - and there is. Mix the vinegar and water with a ratio of 3 to 1. You want the vinegar to be really prevalent in this solution as it is the active ingredient that prevents the freezing from occurring. Add the solution to a spray bottle and apply a heavy coating to the windshield. If you so choose, apply it to all the windows and mirrors on the exterior of the car. Then wipe down the windshields and mirrors with an old towel. This solution can also be used the morning of to dissolve any ice accumulation. Rubbing Alcohol Solution No, not in any way. I am not denying that evaporation will cause freezing in a wind; what I am saying is that the numbers quoted on weather forecasts are related to the effect on humans, you can't use those numbers to tell what will happen to washer fluid, or any other inanimate object. There are several recipes for ice prevention spray. A few spritzes before you cover your windshield at night and your windshield will be clear in the morning. Try one of these in a large spray bottle. Vinegar Method

If the previous methods do not prevent ice from forming on the inside of your windscreen, there may be a more serious matter causing the issue. Problems with your car’s drainage or ventilation can result in a damp car interior. This constant dampness makes your car vulnerable to icy windows during winter and fogged-up windows in the summer. We recommend putting a windscreen cover on in the evening before temperatures begin to drop so that you can prevent frost from forming. Using a windscreen cover could save you time in the morning and prevent you from being out in the cold de-icing your car! If you are new to a Northern state or just new to driving in the snow, these few tips can save you time and effort in your battle with the elements. Let them do the heavy lifting for you. Park Facing East Running your defroster to warm the windshield often fogs the windshield further. If you have an air conditioner, run it at the same time to reduce the moisture inside the cabin. Keep a felt chalkboard eraser in the car to wipe off the windshield. Clear Windows are Safe Windows Our AA Patrol of the Year, says, "Driving safely means making sure that your line of vision is kept clear. If your vision's obscured, you might not be able to see the road ahead properly and it could even create a blind spot. Use a lint-free cloth to wipe condensation off windows without leaving smears." Remember: tech is on your sideInvest in some de-icer – Although you may still be required to scrape your car, de-icer speeds up the process a lot and you can get some designed for you to spray on your windscreen the night before – which prevents freezing and adds convenience! Keep these in mind for your daily battle with snow, ice, and frost. Don’t clear a tiny space with your credit card, then drive off like a tank-commander with only a tiny hole cleared. Spending a few minutes will save you a lot of time and keep you, and others, a little safer on the roads. Turn on the air conditioning as this will remove any moisture in the air to prevent the windscreen from misting up. Getting ahead of the game and planning the day before a forecasted freezing cold night could save you a lot of time and effort. Preparing a solution of mixed water and vinegar the night before and spraying it on your windscreen should stop your car from getting really icy. If at all possible, a nice, snug, above-freezing garage is your best bet. No ice crystals form there! Your insurance company also favors indoor, secured parking, so this method of keeping your windshield safely clear also keeps your premiums low.

There are a few things that you should definitely avoid when it comes to clearing ice off your car. As to your examples, it does not apply to a bowl full of water, and re a car's radiator, if it were externally wet then the phase change of the vaporising water would have an additional cooling effect though clearly not below the freezing point of the internal coolant. You can also buy windscreen wash with de-icer in it. This saves you from having to spray the car yourself, as you can just use your windscreen wash to melt away any ice. Potato juice, a waste product of vodka distillation, has been used in the snowy mountain roads of Tennessee," says Burkhauser. The sugars from the potato keep ice from forming all together! Caroline SincarukOur final piece of advice is for your wing mirrors. An effective way of stopping them from becoming iced up is to simply place a plastic bag over each and secure them in place with rubber bands. This process also applies to wet inanimate object such as washer jets, the fact that the surface temp of the washer jet might be only slight above freezing (i.e much colder than skin) is irrelevant, the vapourisation of the water sitting on the surface requires energy (as per above), that energy is taken via conduction from the surface thus cooling it beyond the level that it would be cooled by convection as would be the case were it dry. Thus an unheated, untreated washer jet can freeze in ambient temps a little above freezing. Have you ever watched the videos of boiling water freezing instantly when thrown in the air? It has to be below -30F to do that. It doesn’t have to be that cold for winter weather to make driving dangerous. Simple frost on your windshield can critically obscure your line of sight.