...A FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH 7 AM CDT TUESDAY FOR ALL OF EAST TEXAS...EXTREME SOUTHEAST OKLAHOMA...SOUTHWEST ARKANSAS...AND NORTH LOUISIANA... ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH TUESDAY MORNING... THE FLASH FLOOD WATCH CONTINUES FOR * THROUGH TUESDAY MORNING * SHOWERS AND THUNDERSTORMS WILL INCREASE THIS AFTERNOON AND TONIGHT OVER MUCH OF THE FOUR STATE REGION...AHEAD OF A STRONG UPPER LEVEL DISTURBANCE THAT WILL LIFT NORTHEAST ACROSS CENTRAL TEXAS AND OKLAHOMA. LOCALLY HEAVY RAINFALL WILL BE POSSIBLE...WITH ADDITIONAL RAINFALL AMOUNTS OF ONE TO THREE INCHES EXPECTED...WITH ISOLATED HIGHER AMOUNTS. WITH GROUNDS STILL SATURATED FROM EXCESSIVE RAINFALL THAT HAS FALLEN OVER THE LAST WEEK...THIS ADDITIONAL RAINFALL WILL RESULT IN INCREASED RUNOFF AND THE POTENTIAL FOR FLASH FLOODING. * LOW LYING AND POOR DRAINAGE AREAS...ESPECIALLY IN THE VICINITY OF RAPIDLY RISING CREEKS AND VERY HEAVY RAINFALL...WILL BE MOST PRONE TO FLASH FLOODING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION. DO NOT CROSS MOVING WATER ON ROADWAYS...BRIDGES...AND AT LOW WATER CROSSINGS. ROAD SURFACES AND CULVERTS CAN BE WASHED OUT. TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD DEATHS OCCUR IN VEHICLES ATTEMPTING TO CROSS IN HIGH WATER.