000 NZUS99 KDTX 261434 SYNNW1 .SYNOPSIS...SURFACE LOW PRESSURE...AVERAGING 29.60 INCHES...OVER NORTHERN LOWER MICHIGAN WILL SLOWLY MOVE EAST AND WEAKEN BY FRIDAY MORNING. A RIDGE OF HIGH PRESSURE WILL MOVE THROUGH SATURDAY FOLLOWED BY ANOTHER SURFACE LOW ON SUNDAY. A LARGE LOW PRESSURE SYSTEM WILL LIFT UP FROM THE SOUTH INTO THE AREA LATE WEDNESDAY INTO THURSDAY. $$