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Keeping warm with thermal imaging

If you've got to be outside in these temperatures, dressing in layers is key to beating the cold.
    The idea is to trap your body heat and keep it close to your body.
With the help of some firefighters at the Osceola Fire Station.
Channel Three's Jenise Fernandez found out just how quickly that warmth can escape.

It's no surprise that when the temperature drops, it's time to bundle up.
With this thermal imaging camera, we can show you the difference between someone who is bundled up, versus someone who is exposed to the elements.
When a fire breaks out, firefighters have a hard time seeing through the smoke and flames.
    In comes the thermal imaging camera, which allows them to see hot spots.

"The main thing we use it for is searching for victims inside a house," said Lt. Adam Harrison. 

It can also show where the body loses heat in the cold.
The blue shows where there's heat, face and hands, uncovered and indoors, were giving off the most heat.
Those dark blue spots would be the coldest outside because it's exposed to the air.

"It immediately starts taking away from the heat. It could be an hour, could be more, it depends on his core and how long he can keep the body heat up," said Harrison. 

Outside, side by side with firefighter Watson, you can see that all bundled up there are only a few spots exposed.
Then we compared our hands, mine with gloves on, his without. The blue is the part that will get the coldest.
And while it is important to bundle up, you also want to be careful not to over-do it..

"What you don't wanna do is sweat profusely underneath. Because then when you do get cold, the sweat inside the material stays cold," he added.