LIBERTY, October 20, 2009 - ON WEDNESDAY AN UPPER LEVEL TROUGH OF LOW PRESSURE WILL APPROACH FROM THE WEST...WITH ITS ASSOCIATED COLD FRONT MOVING ACROSS THE AREA THURSDAY. THIS TROUGH WILL DRAW UP MOISTURE RICH GULF AIR AND...ALONG WITH HIGHER LEVEL MOISTURE AND ENERGY ASSOCIATED WITH THE REMNANTS OF TROPICAL STORM RICK...WILL HEIGHTEN THE CHANCE FOR MODERATE RAINFALL. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS ARE EXPECTED TO DEVELOP WEDNESDAY AFTERNOON... BECOMING MORE NUMEROUS AND WIDESPREAD WEDNESDAY EVENING INTO THURSDAY MORNING AS THE FRONT APPROACHES FROM NORTH CENTRAL TEXAS. WHEN ACCOUNTING FOR THIS DEEPER MOISTURE AND DISTURBANCES RIDING IN FROM THE SOUTHWEST...THERE WILL BE THE POTENTIAL FOR LOCALLY HEAVY RAINFALL AS THE FRONT ADVANCES INTO SOUTHEASTERN TEXAS. RAINFALL TOTALS WILL AVERAGE BETWEEN 1 TO 2 INCHES...WITH A MODEST CHANCE FOR ISOLATED TOTALS OF BETWEEN 3 TO 5 INCHES. RAIN RUN-OFF TYPE FLOODING MAY OCCUR OVER THOSE AREAS THAT RECEIVE THESE GREATER THAN 3 INCH RATES. ALTHOUGH THE AIR MASS BEHIND THIS FRONT IS COOLER AND DRIER...THE TEMPERATURE DIFFERENCE BETWEEN ITSELF AND AIR TO THE SOUTH WILL NOT BE SIGNIFICANT ENOUGH TO MENTION SEVERE STORMS. THIS INCLEMENT WEATHER IS EXPECTED TO COME TO AN END BY EARLY FRIDAY MORNING.

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