Temperatures below 15 degrees F. (-9 C) expected.
“A Hard Freeze Warning means sub-freezing temperatures are imminent or highly likely,” warns the National Weather Service. “These conditions will kill crops and other sensitive vegetation.”
1 Jan 2018 – Map courtesy National Weather Service
Note the hard freeze warnings across the deep southern states, in purple.
Temps at or below 15 degrees F. (-9 C) forecast in some areas, with wind chills dropping to as low as -5F (-20.5C).
URGENT – WEATHER MESSAGE
National Weather Service New Orleans LA
359 PM CST Mon Jan 1 2018…VERY COLD AIR WILL REMAIN ENTRENCHED ACROSS THE REGION…
Very cold airmass continue to settle in tonight and Tuesday morning.
HARD FREEZE WARNING UNTIL NOON CST TUESDAY…
HARD FREEZE WARNING FROM 6 PM TUESDAY TO 10 AM CST WEDS…PRECAUTIONARY/PREPAREDNESS ACTIONS…
Make frequent checks on the elderly. Make sure their furnaces are working and heating the house properly.
Be particularly careful with portable heaters…there is a danger of fire or poisonous fumes
Pets are also subject to the extreme cold. Keep pets indoors as much as possible. if this is not possible…make sure outdoor pets have warm…dry shelter and provide sufficient food and fresh unfrozen water.
A Hard Freeze Warning means sub-freezing temperatures are imminent or highly likely. These conditions will kill crops and other sensitive vegetation.
Via http://forecast.weather.gov/wwamap/wwatxtget.php?cwa=usa&wwa=Hard%20Freeze%20Warning