URGENT - WEATHER MESSAGE National Weather Service Houston/Galveston TX 1050 PM CST Tue Nov 28 2017 ...Dense Fog Advisory in Effect... .Areas of dense fog will continue developing and persist through mid morning Wednesday. Visibility will be reduced at or below 1/4 miles at times. TXZ177-178-198>200-212>214-226-227-236>238-291300- /O.NEW.KHGX.FG.Y.0030.171129T0450Z-171129T1600Z/ Brazoria-Chambers-Fort Bend-Galveston-Grimes-Harris-Liberty- Matagorda-Montgomery-San Jacinto-Walker-Waller-Wharton- Including the cities of Alvin, Anahuac, Angleton, Bay City, Brookshire, Cleveland, Coldspring, Conroe, Dayton, El Campo, Freeport, Friendswood, Galveston, Hempstead, Houston, Humble, Huntsville, Katy, Lake Jackson, League City, Liberty, Missouri City, Mont Belvieu, Navasota, Palacios, Pasadena, Pearland, Pierce, Prairie View, Richmond, Rosenberg, Shepherd, Sugar Land, Texas City, The Woodlands, Tomball, Wharton, Willis, and Winnie 1050 PM CST Tue Nov 28 2017 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CST WEDNESDAY... The National Weather Service in Houston/Galveston has issued a Dense Fog Advisory, which is in effect until 10 AM CST Wednesday. * EVENT...dense fog. * TIMING...through mid morning Wednesday. * IMPACT...visibility reduced to 1/4 mile or less at times making travel difficult. 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.