Issued by the National Weather Service at 1:13 am CST on November 22, 2009
Through 5 am...areas of fog...some locally dense...will continue to develop across portions of deep south Texas. Reduced visibilities of 3 to 5 miles can be expected...with visibilities less than a mile in locally dense fog. Motorists are urged to slow down and drive with caution in dense fog.
Partly cloudy in the morning then becoming mostly cloudy. Areas of fog in the morning. Slight chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Southeast winds 10 to 15 mph. Chance of rain 20 percent.
Monday Night
Mostly cloudy. Slight chance of showers and thunderstorms through the night. Areas of fog after midnight. Lows in the mid 60s. Southeast winds 10 to 15 mph. Chance of rain 20 percent.
Tuesday
Showers and thunderstorms likely. Highs in the upper 70s. Chance of rain 60 percent.
Tuesday Night
Cloudy in the evening then becoming mostly cloudy. Chance of showers and thunderstorms. Lows around 60. Chance of rain 50 percent.
Wednesday
Mostly cloudy in the morning then becoming partly cloudy. Chance of showers. Highs in the lower 70s. Chance of rain 30 percent.
Wednesday Night
Mostly cloudy in the evening then becoming partly cloudy. Cooler. Slight chance of showers. Lows around 50. Chance of rain 20 percent.
Thanksgiving Day through Friday
Partly cloudy. Slight chance of showers. Highs in the mid 70s. Lows in the lower 50s. Chance of rain 20 percent.
Friday Night and Saturday
Partly cloudy. Lows in the mid 50s. Highs in the mid 70s.
... Dense fog advisory in effect until 9 am CST this morning...
The National Weather Service in Brownsville has issued a dense fog advisory... which is in effect until 9 am CST this morning.
Widespread areas of dense fog will develop over all of deep south Texas and the adjacent Laguna Madre reducing visibilities to around one quarter of a mile. This dense fog is a result of the combination of light surface winds and high relative humidity values. The dense fog will persist through mid morning today with visibilities steadily improving due to increased heating and surface winds.
Precautionary/preparedness actions...
A dense fog advisory means visibilities will frequently be reduced to less than one quarter mile. If driving... slow down... use your headlights... and leave plenty of distance ahead of you. Drive with care... and watch for stopped school buses and children crossing the streets.
Listen to NOAA Weather Radio for the latest updates on this weather situation.
2009 Hurricane Coverage
Dense Fog Advisory