Synopsis for Lake Superior
.SYNOPSIS...LOW PRESSURE OF 29.3 INCHES OVER JAMES BAY WILL MOVE TO 
NOVA SCOTIA BY SUNDAY NIGHT AS A HIGH PRESSURE RIDGE OF 30.1 INCHES 
ACROSS THE NORTHERN PLAINS PUSHES INTO THE OHIO VALLEY ON SUNDAY AND 
THE EASTERN SEABOARD BY MONDAY. LOW PRESSURE OF 29.6 INCHES WILL 
FOLLOW THE RIDGE AND CROSS THE UPPER GREAT LAKES LATE MONDAY NIGHT 
INTO TUESDAY...THEN DEEPEN TO 29.2 INCHES WHILE LIFTING TO CENTRAL 
QUEBEC BY WEDNESDAY MORNING. A WEAK 30.1 INCH HIGH PRESSURE RIDGE 
WILL DRIFT FROM THE NORTHERN PLAINS TO THE UPPER MISSISSIPPI VALLEY 
ON WEDNESDAY BEFORE DISSIPATING OVER THE UPPER GREAT LAKES ON 
THURSDAY. MEANWHILE...WEAK 30.0 INCH LOW PRESSURE WILL TRACK 
SOUTHEASTWARD INTO THE MIDDLE MISSISSIPPI VALLEY ON THURSDAY. 

Synopsis for Lake Michigan
.SYNOPSIS...LOW PRESSURE OF 29.2 INCHES MOVING EASTWARD ACROSS JAMES 
BAY THIS AFTERNOON WILL WEAKEN TO 29.3 INCHES AS IT REACHES SOUTHERN 
QUEBEC SUNDAY MORNING. RIDGING OF 30.0 INCHES WILL BUILD ACROSS LAKE 
MICHIGAN SUNDAY QUICKLY SHIFTING TO THE EAST SUNDAY EVENING. BROAD 
LOW PRESSURE OF AROUND 29.5 INCHES WILL MOVE ACROSS THE CENTRAL AND 
NORTHERN PLAINS INTO MONDAY AND REACH THE UPPER GREAT LAKES MONDAY 
NIGHT. THE LOW WILL DEEPEN TO 29.4 INCHES WHILE CONSOLIDATING
ACROSS CENTRAL AND SOUTHERN ONTARIO TUESDAY. THE LOW WILL THEN
TRACK NEAR OR ACROSS SOUTHERN JAMES BAY TUESDAY NIGHT WHILE
DEEPENING FURTHER. THE LOW WILL DRAG A SERIES OF COLD FRONTAL
BOUNDARIES ACROSS LAKE MICHIGAN MONDAY NIGHT AND TUESDAY. HIGH
PRESSURE IS THEN EXPECTED TO SPREAD SOUTH OF THE REGION WEDNESDAY
WITH A RIDGE AXIS CROSSING THE LAKE.

Synopsis for Lake Huron
.SYNOPSIS...SURFACE LOW PRESSURE...OF 29.20 INCHES...WILL SWING 
THROUGH THE JAMES BAY REGION TODAY. THE SURFACE LOW WILL THEN 
DESCEND THROUGH QUEBEC AND INTO THE NORTHEASTERN UNITED STATES BY 
SUNDAY. A WEAK RIDGE OF SURFACE HIGH PRESSURE IS EXPECTED TO SLIDE 
THROUGH THE CENTRAL GREAT LAKES LATE SUNDAY AND INTO THE START OF 
NEXT WEEK.

Synopsis for Lake Erie
.SYNOPSIS...A COLD FRONT WILL MOVE SOUTH ACROSS THE LAKE THIS
EVENING. HIGH PRESSURE 30.10 INCHES WILL BUILD ACROSS THE REGION
SUNDAY AND THEN TO THE EAST COAST MONDAY. A WARM FRONT WILL LIFT
NORTH ACROSS THE LAKE MONDAY...FOLLOWED BY A COLD FRONT ON TUESDAY
AFTERNOON. A TROUGH AVERAGING 29.70 INCHES WILL MOVE EAST ACROSS
THE LAKE ON WEDNESDAY FOLLOWED BY HIGH PRESSURE 30.20 INCHES
ACROSS THE OHIO VALLEY THURSDAY.

Synopsis for Lake Ontario
.SYNOPSIS...A 29.2 INCH LOW OVER JAMES BAY WILL MOVE TO THE GULF OF 
SAINT LAWRENCE BY SUNDAY EVENING...WITH A COLD FRONT CROSSING THE 
LAKE EARLY THIS EVENING. A 30.1 INCH HIGH WILL THEN BUILD INTO THE 
LOWER LAKES ON MONDAY...BEFORE DRIFTING TO THE EAST COAST BY 
TUESDAY. FOLLOWING THE DEPARTURE OF THIS HIGH...ANOTHER 29.3 INCH 
LOW WILL LIFT FROM THE UPPER GREAT LAKES TUESDAY TO JAMES BAY BY 
WEDNESDAY...WHILE PUSHING ITS TRAILING COLD FRONT ACROSS THE LAKE 
TUESDAY NIGHT.