Synopsis for Lake Superior
.SYNOPSIS...A 30.4 INCH RIDGE OVER NORTHERN ONTARIO WILL SHIFT 
EASTWARD TO QUEBEC TODAY AS A 29.5 INCH LOW PRESSURE OVER THE 
CENTRAL PLAINS LIFTS A 29.7 INCH TROUGH NORTHWARD ACROSS LAKE 
SUPERIOR. BY TUESDAY...THE LOW WILL DEVOLVE INTO AN ELONGATED 
TROUGH FROM NORTHERN ONTARIO TO THE MID MISSISSIPPI VALLEY...WHERE
IT WILL REMAIN THROUGH WEDNESDAY. A 29.4 INCH LOW WILL ORGANIZE 
ALONG THIS TROUGH OVER CENTRAL WISCONSIN WEDNESDAY AFTERNOON... 
THEN LIFT NORTHWARD ACROSS UPPER MICHIGAN ON THURSDAY AND DEEPEN 
TO 29.2 INCHES. AS THE LOW EXITS INTO QUEBEC THURSDAY NIGHT AND 
FRIDAY...A 30.1 INCH RIDGE WILL BUILD OVER THE UPPER GREAT LAKES.

Synopsis for Lake Michigan
.SYNOPSIS...A RIDGE OF HIGH PRESSURE AVERAGING 30.1 INCHES 
EXTENDS ACROSS THE GREAT LAKES TO THE CENTRAL AND SOUTHERN PLAINS.
LOW PRESSURE OF 29.4 INCHES WILL MOVE FROM THE NORTHERN PLAINS 
TODAY TO LAKE SUPERIOR TUESDAY AND FILL. NEW LOW PRESSURE OF 29.3 
INCHES OVER THE CENTRAL PLAINS TUESDAY WILL MOVE NORTHEAST TO LAKE
MICHIGAN WEDNESDAY AND WEDNESDAY NIGHT...AND THEN CONTINUE TO THE
NORTHEAST THURSDAY.

Synopsis for Lake Huron
.SYNOPSIS...A LARGE AREA OF SURFACE HIGH PRESSURE...AVERAGING 30.40 
INCHES WILL STAY IN PLACE TODAY AND TUESDAY OVER MUCH OF ONTARIO AND 
QUEBEC. LOW PRESSURE WILL SLOWLY GATHER ITSELF BY MIDWEEK OVER THE 
CENTRAL PLAINS...EVENTUALLY LIFTING INTO WISCONSIN AT 29.20 INCHES 
ON THURSDAY.

Synopsis for Lake Erie
.SYNOPSIS...A WEAK RIDGE 30.20 INCHES OVER ONTARIO WILL CONTINUE 
TO INFLUENCE LAKE ERIE THROUGH THE DAY. A WARM FRONT WILL LIFT 
NORTH ACROSS THE LAKE EARLY TUESDAY AS LOW PRESSURE 29.50 INCHES 
MOVES ONTO THE WESTERN LAKES. A COLD FRONT WILL EXTEND SOUTH FROM 
THE LOW INTO THE CENTRAL PLAINS. WEDNESDAY NIGHT ANOTHER LOW 29.30
INCHES WILL DEVELOP ON THE FRONT AND MOVE NORTH REACHING THE 
CENTRAL LAKES BY THURSDAY MORNING. THE COLD FRONT WILL CROSS THE 
LAKE THURSDAY EVENING.

Synopsis for Lake Ontario
.SYNOPSIS...A 30.4 INCH HIGH NEAR JAMES BAY WILL EXTEND SOUTH
ACROSS THE LAKE THIS AFTERNOON. AFTER THAT...A 29.6 INCH LOW 
ALONG THE CAROLINA COAST WILL SLOWLY TRACK NORTHEASTWARD ALONG THE
MID ATLANTIC AND NEW ENGLAND COASTLINES THROUGH MID WEEK.