Interesting Setup for East Coast Later in the Week

[Hybridstorm_November2001]

000
FXUS61 KCAR 251926
AFDCAR

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CARIBOU ME
326 PM EDT TUE SEP 25 2007

.SYNOPSIS...

HIGH PRESSURE WILL REMAIN TO OUR SOUTH TONIGHT AS LOW PRESSURE TRACKS
ACROSS THE NORTH. A COLD FRONT WILL APPROACH WEDNESDAY MORNING AND
CROSS THE AREA WEDNESDAY AFTERNOON FOLLOWED BY HIGH PRESSURE BUILDING
TO THE NORTH WEDNESDAY NIGHT. A TROUGH OF LOW PRESSURE WILL APPROACH
FROM THE WEST THURSDAY NIGHT AS LOW PRESSURE OFF THE MID ATLANTIC
COAST TRACKS NORTH TOWARD THE GULF OF MAINE. THE LOW WILL WILL LIFT
NORTHEAST THROUGH THE MARITIMES ON FRIDAY.
&&


.SHORT TERM /WEDNESDAY NIGHT THROUGH FRIDAY NIGHT/...

A COLD FRONT REACHING THE COAST WEDNESDAY EVENING MAY BRING A SHOWER OR
ISOLATED THUNDERSTORM DOWNEAST BEFORE IT STALLS JUST OFFSHORE WEDNESDAY
NIGHT. HIGH PRESSURE WILL BUILD ACROSS THE NORTH WEDNESDAY NIGHT. BOTH
THE GFS AND NAM SHOW A LOW PRESSURE SYSTEM FORMING OF THE SOUTHEAST
COAST ON THURSDAY AS A TROUGH OF LOW PRESSURE BEGINS DIGGING INTO THE
GREAT LAKES. THICKNESSES INDICATE THIS IS A WARM CORE SYSTEM WHICH MAY
HAVE TROPICAL CHARACTERISTICS BUT SINCE IT`S BEING DRAWN INTO A TROUGH
AS IT PROGRESSES NORTH IT SHOULD LIKELY BE CONSIDERED SUBTROPICAL. AS
THE SYSTEM PUSHES NORTH LATER THURSDAY INTO THURSDAY EVENING THE RIDGING
BUILDING NORTH AHEAD OF THE SYSTEM AS A FUNCTION OF HEAT BEING EXHAUSTED
BY THE STORM WILL COMPRESS AGAINST THE EASTERN EDGE OF THE APPROACHING
TROUGH CREATING MID TO UPPER LEVEL FRONTOGENISIS AND A POTENTIALLY HEAVY
BAND OF RAIN ACROSS NORTHWESTERN AREAS. AN AREA OF HEAVY RAIN MAY ALSO
BE NEAR THE LOW CENTER AS IT LIFTS NORTH INTO THE MARITIMES LATE FRIDAY
INTO FRIDAY NIGHT.
&&

.LONG TERM /SATURDAY THROUGH TUESDAY/...
LOW PRESSURE WILL MOVE AWAY AND INTENSIFY SATURDAY BRINGING GUSTY
NORTHWEST WINDS BEHIND THE LOW WITH PARTIALLY CLEARING SKIES. HIGH
PRESSURE AND LIGHTER WINDS WILL FOLLOW FOR SUNDAY. A WEAK WAVE OF
LOW PRESSURE MAY PASS NORTH OF THE AREA MONDAY NIGHT INTO EARLY TUESDAY.
&&