Hard Freeze Over Much of Florida Is Due

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I recommend that Florida residents who are concerned about tonight’s temperature consult your local media for the forecast in your specific area.  On line you can go to http://www.weather.gov/ and at the small white rectangle near the top-left – type in your location or even easier, your 5 digit zip.

The image above shows an almost cloudless Florida earlier today.  It is covered by a frigid Arctic air mass.  The air is very dry and relatively clean.  There is not much water vapor within it to intercept outgoing infrared; the colder the air, the less energy is available to keep water in the vapor state.  During the daylight hours the incoming solar radiation exceeds the outgoing infrared but of course at night there will be no incoming solar radiation while terrestrial infrared continues to flow outward.  Therefore, it will get even colder.

Some folks in my neighborhood have wells.  Freezing at or near well sites is not uncommon.  It happened to one of my neighbors during a recent cold spell but fortunately there was no damage.  Since water expands by about 9% when it freezes, considerable damage can occur.  I run an extension cord out to my well and place a shop lamp on the surface and throw some sheets over the pump and plumbing fixtures to help hold in the heat from the 60 Watt light bulb.  In the several freezing episodes during the 43 months I’ve lived in this part of Florida, that method has worked for me without fail.  SEE IMAGE BELOW.

A neighbor suggested to me that a slow drip at a faucet inside will also help to prevent a line closure from freezing.  I have not tried that.

After tonight a slow warming trend is expected but this is probably not the last of this season’s cold episodes.

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