Dramatic developments re the upstream low which throws big doubts into the ECM upstream:
A STORM SYSTEM MOVING OFF THE MID ATLANTIC COAST DURING THE MID WEEK
PERIOD NOW APPEARS MOST LIKELY TO PASS WELL SOUTH AND EAST OF THE
AREA SPARING THE REGION FROM SIGNIFICANT PRECIPITATION. HOWEVER...AS
THE SYSTEM INTENSIFIES SOUTH AND EAST OF NOVA SCOTIA WEDNESDAY NIGHT
AN INVERTED TROUGH WILL EXTEND BACK FROM THE SYSTEM SUPPORTED BY
ADDITIONAL JET ENERGY COMING IN FROM THE GREAT LAKES. THIS INVERTED
TROUGH MAY SUPPORT A SMALL AREA OF LIGHT SNOW OR SNOW SHOWERS ALONG
THE DOWNEAST COAST WEDNESDAY NIGHT
Inverted in this case means negatively tilted, look at the timeline and what the ECM does between Wednesday and Thursday!
Van netweather. En vergelijk op dat moment de runs van EC, UKMO en GFS...
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