000 WGUS84 KBRO 301930 FLSBRO FLOOD ADVISORY NATIONAL WEATHER SERVICE BROWNSVILLE TX 230 PM CDT THU AUG 30 2007 TXC215-302030- 230 PM CDT THU AUG 30 2007 THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED AN * URBAN AND SMALL STREAM FLOOD ADVISORY FOR... SOUTH CENTRAL HIDALGO COUNTY IN DEEP SOUTH TEXAS... THIS INCLUDES THE CITIES OF...PALMHURST...MADERO...CAMPO ALTO... CANTU...ABRAM...SAN JUAN...PHARR...MISSION...MCALLEN...HIDALGO... ALAMO... * UNTIL 330 PM CDT * AT 230 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR IN BROWNSVILLE DETECTED HEAVY RAIN PRODUCING THUNDERSTORMS OVER SOUTHERN HIDALGO COUNTY. THESE STORMS ARE MOVING WEST NORTHWEST AROUND 15 MPH AND HAVE A HISTORY OF PRODUCING RAINFALL RATES OF ONE TO TWO INCHES AN HOUR. MOTORISTS ALONG HIGHWAYS 281 AND 83 IN SOUTHERN HIDALGO COUNTY SHOULD SLOW DOWN AND EXERCISE CAUTION. EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE ELEVATED LEVELS ON SMALL CREEKS AND STREAMS...AND PONDING OF WATER IN URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES AS WELL AS OTHER POOR DRAINAGE AREAS AND LOW LYING SPOTS. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. MOVE TO HIGHER GROUND. LAT...LON 2615 9847 2605 9825 2603 9812 2620 9809 2629 9844 $$ BC