FNUS73 KDTX 051352 FWSDTX SPOT FORECAST FOR SOUTH LAKE PRAIRIE NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 952 AM EDT TUE MAY 5 2009 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. DISCUSSION...A RIDGE OF HIGH PRESSURE WILL PROVIDE ANOTHER DRY DAY...BUT WILL BE WEAKENING IN THE PROCESS. WEAK TROUGHING WILL BUILD INTO THE OHIO VALLEY TONIGHT...MAINTAINING SOUTHEAST WINDS ACROSS THE GREAT LAKES INTO WEDNESDAY. A LOW PRESSURE SYSTEM TRACKING ACROSS THE NORTHERN GREAT LAKES WILL SEND A COLD FRONT ACROSS LOWER TOWARD THE END OF THE WEEK...PROVIDING A CHANCE OF SHOWERS AND THUNDERSTORMS. $$ .TODAY... SKY/WEATHER.........PARTLY SUNNY (45-55 PERCENT). MAX TEMPERATURE.....AROUND 70. MIN HUMIDITY........30 PERCENT. WIND (20 FT)........SOUTHEAST WINDS 6 TO 11 MPH. TRANSPORT WINDS.....SOUTHEAST AROUND 12 MPH. MIXING HEIGHT.......1400 FT AGL...INCREASING TO 8800 FT AGL. MIXING HEIGHT.......1400 FT AGL...INCREASING TO 8800 FT AGL. VENTILATION RATE....EXCELLENT (MAX...600). .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (55-65 PERCENT). MIN TEMPERATURE.....44-49. MAX HUMIDITY........81 PERCENT. TRANSPORT WINDS.....SOUTH AROUND 10 MPH. VENTILATION RATE....POOR (MIN...0). $$ FORECASTER...SF REQUESTED BY...STEVE CROSS TYPE OF REQUEST...PRESCRIBED .TAG 20090505.SOUTH.01/DTX