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- No current warnings issued
Low pressure in the Bay of Campeche is expected to move northwestward into the southwest Gulf of Mexico. It will almost certainly become a tropical depression or named tropical storm (“Nicholas”) later today (Sunday) or Monday.
If it develops it will most probably parallel the Texas coast before making landfall somewhere on the central or northern TX Gulf Coast.
Although it is too soon to say how much wind or storm surge this potential system might create, RV’ers between Corpus Christi TX and Lake Charles LA should be prepared for anywhere between 4-8 and possibly up to 11 inches of rain from Monday through Thursday. These rain amounts will certainly cause flash flooding in poor drainage areas, streams, ponds and along smaller rivers.
If I was camping or planning an RV trip along the TX coast north of Corpus Christi for next week I would be prepared for very heavy rains and the possibility of flooding that would require moving from the campgrounds or roads leading to your destination may be impassible. If I had the opportunity to reschedule the trip I would do so. If I’m already on the coast I would ensure my rig is ready to roll within 24 hours with full fuel, fresh water and propane, and empty waste tanks.
Expected rainfall through Thursday afternoon along the TX and LA Coasts 
NOT A STORM FORECAST – but this graphic shows a possible track of the tropical system through Wednesday evening, from one of the normally reliable models. 
Overview of all the areas of potential development currently being monitored by the National Hurricane Center