From the Melb AFD WX PATTERN REMAINS ON TRACK FOR THE DEVELOPMENT OF A CUTOFF LOW ALONG THE MID ATLC COAST BY 12Z SAT. STRONG H25 JET BRANCH OVER THE UPPER MID WEST WILL PUSH EAST INTO NEW ENGLAND. THIS JET WILL TIGHTEN THE WIND/PRESSURE FIELD ON THE WEST SIDE OF A HI AMPLITUDE
H50-H25 TROF JUST OFF THE ERN SEABOARD. THE RESULTING INCREASE IN UPR LVL DIVERGENCE OVER THE EAST COAST WILL SPIN UP A WEAK CLOSED
LOW OUT OF A THE SRN EXTENSION OF A DEPARTINGSTORM SYSTEM OVER ERN
CANADA AND THE GREAT LAKES.

THE NEW LOW IS EXPECTED TO REMAIN TRAPPED OVER THE SE U.S. THROUGH THE WEEKEND. THE ATLC RIDGE WILL BLOCK THE LOW FROM MOVING E...
WHILE A STRONG CONTINENTAL RIDGE OVER WRN CANADA WILL PUSH ACROSS THE NRN TIER STATES UNDER THE INFLUENCE OF STRONG H85-H30 ZONAL
FLOW. THE CONTINENTAL RIDGE WILL BLOCK THE LOW FROM ESCAPING TO THE NORTH...AND MAY EVEN CAUSE IT TO RETROGRADE INTO THE GULF STATES.

Anything to brew right now will be home grown, and is always a possibility when troughs are hung up.