A cold front moved across South Central Texas in the afternoon
and evening of December 31st, that brought colder weather to
the area on New Years Day. A 2nd wave of cold air came
across the area from the north and northeast on the 1st,
making conditions colder the 2nd and maintaining the cold across
the area through the 3rd. This caused the barometric pressure to
rise close record highs on the 2nd. The highest barometric pressure
at Austin in January 2008 was 30.97 inches on the 2nd, only 0.01 inches away
from the record of 30.98 inches for January, and 0.04 inches
away from the All Time Record of 31.01 inches in December of 1989.
The highest barometric pressure at San Antonio for January 2008
on the 2nd was 30.91 inches, only 0.05 inches away from
the All Time Record of 30.96 inches in December 1989. At Del Rio the
highest barometric pressure for January 2008 was 30.93 inches,
also on the 2nd.
Early morning lows on the 2nd were
in the teens and 20s over the hill country to mostly
20s over the rest of South Central Texas.
After 3 cold days, a warming trend began on the 4th and
continued through the 11th. Some of the warmer days of
the month came on the 5th, 6th, and 7th.
Dry and windy conditions came on Saturday the 12th, in wake of a
dry, fast moving Pacific Cold Front.
Conditions warmed up ahead of the
cold front in the morning to the early afternoon.
The cooler temperatures that began with this cold front extended through the 20th,
by 2 additional waves of cold air, and by clouds and precipitation
the 16th to the 18th.
Rain fell in the cold air on the 16th and on the night of the 17th
through the day on the 18th. Some brief periods of freezing rain
were reported over parts of Burnet and Williamson County on the
morning of the 18th. The wave of cold and dry air that moved
across the area Saturday the 19th, left clear and cold
conditions the night of the 19th to morning of the 20th.
Like the Saturday a week earlier, breezy and dry conditions
swept across the area from the north on the 19th, only
the air mass was much colder than on the 12th.
Lows on the 20th were as cold or colder than on the 2nd,
and were in the teens over the hill country to the 20s
over the rest of South Central Texas.
The coldest lows for January 2008 and for many location in
the winter 2007/2008 season showed up on the 2nd and 20th.
The low of 15 at Austin Bergstrom the 20th
was the coldest low since a low of 13 on February 27, 2002.
The low of 17 at Hondo the 20th was the coldest at Hondo
since a low of 13 February 27 and March 4, 2002.
On January 20th, the low of 25 at Austin Mabry and 26 at
San Antonio was the coldest since the lows of 24 at both
locations on February 16, 2007.
The low of 23 at Del Rio on January 2nd was the coldest since
a low of 23 on February 2nd of 2007.
In the week of January 21st to the 26th, the week began with a
warming trend on Monday the 21st, and turned much colder
in the afternoon and evening of the 22nd. Three days of
overcast skies and light rain followed the 23rd to the
25th. The rainfall was not enough to help out with the ongoing
drought over South Central Texas; however, it did bring some relief.
A warming trend began the weekend of the
26th and 27th, and it continued through the 29th. The 29th was one of
the warmest days of the month, along with the 5th, 6th, and 7th.
A blanket of dust came across the area in the afternoon of
the 29th, with strong northwest winds of 25 to 45 mph.
Colder conditions followed in the late afternoon of the 29th
through the early morning of the 30th.
After brief light rain and showers in the early morning
of the 31st, skies cleared quickly in the mid to late morning.
Windy conditions followed, under clear skies, with
west and northwest winds of 25 to 56 mph, and afternoon
highs around 60 to the mid 60s.