National Weather Service: Cold temps throughout morning hours

The National Weather Service in Melbourne has issued an urgent weather alert for Volusia and Lake Counties for early Tuesday:

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MELBOURNE FL
414 AM EST TUE JAN 5 2010

COUNTY SPECIFIC MESSAGE:

/O.CON.KMLB.WC.W.0001.000000T0000Z-100105T1400Z/
INLAND VOLUSIA-NORTHERN LAKE-COASTAL VOLUSIA-SOUTHERN LAKE-
INCLUDING THE CITIES OF...DE LAND...LEESBURG...DAYTONA BEACH...
CLERMONT
414 AM EST TUE JAN 5 2010

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 9 AM EST THIS
MORNING...

A WIND CHILL WARNING REMAINS IN EFFECT UNTIL 9 AM EST THIS
MORNING.

A REINFORCING COLD AIR MASS WILL PUSH SOUTH OVER THE AREA THIS
MORNING WITH LOWS FALLING BELOW FREEZING IN THE UPPER 20S WITH A
FEW NORMALLY COLDER LOCATIONS REACHING THE MID 20S. ELEVATED
NORTHWEST WINDS AROUND 10 MPH WILL CREATE VERY LOW WIND CHILL
VALUES INTO THE UPPER TEENS OVER THE WARNING AREA LATE TONIGHT
INTO THE EARLY MORNING HOURS TUESDAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND
STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. IF
PRECAUTIONS ARE NOT TAKEN...THIS MAY RESULT IN FROST BITE OR
HYPOTHERMIA IF YOU REMAIN IN THESE FREEZING CONDITIONS FOR AN
EXTENDED DURATION.

AFFECTED COUNTIES:
IN FLORIDA: LAKE, VOLUSIA.