Issued by the National Weather Service at 11:25 PM CST on November 22, 2009
A dense fog advisory is in effect east of a Graham...Eastland... Goldthwaite line through mid morning Monday. Areas of fog will continue forming through 3 am...some locally dense across rural areas and low-lying areas. Fog will continue to become more widespread and dense just before daybreak Monday morning. Persons commuting early Monday morning will need to allow extra time to reach their destination...use low beams...and allow extra room between vehicles for safe travel.
Overnight
Mostly clear. Areas of fog in the pre-dawn hours. Lows in the mid 40s. South winds around 5 mph.
Monday
Areas of fog in the morning. Mostly sunny. Highs in the lower 70s. Southwest winds 5 to 10 mph becoming south and increasing to 10 to 15 mph in the afternoon.
Monday Night
Mostly cloudy. A 20 percent chance of showers after midnight. Lows around 50. South winds 5 to 10 mph shifting to the northwest after midnight.
... Dense fog advisory in effect until 9 am CST Monday...
Light winds and clear skies has resulted in areas of fog developing across North Texas. Visibilities will continue to drop through the early morning hours... with areas of dense fog becoming likely toward early morning. Visibilities will be reduced to less than one quarter mile at times and will be most likely to occur in low lying areas and rural areas. Visibilities are expected to improve during the mid morning hours.
Precautionary/preparedness actions...
A dense fog advisory means visibilities will be reduced to less than one quarter mile. If driving... slow down... use your low-beam headlights... and leave plenty of distance between you and the vehicle ahead of you.