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February 2013 mid-long range disco thread


Fozz

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LWX discussion from early morning, FWIW

LONG TERM /SUNDAY NIGHT THROUGH THURSDAY/...

HIPRES IS FCST TO SHIFT OFF THE COAST SUN NGT AS AN ORGANIZED LOW

MOVES NEWD INTO THE UPPER MIDWEST. BROAD SLY FLOW IN BETWEEN BOTH

SYSTEMS WILL DRAW WARM/MOIST AIR UP THE ERN SEABOARD. MOST GUIDANCE

PRINTS OUT LIGHT QPF LATE SUN NGT INTO MON. WHILE TEMPS ALOFT

QUICKLY RISE ABOVE FREEZING PRIOR PRECIP STARTING...A WEDGE OF COLD

AIR AT THE SFC WILL TAKE LONGER TO ERODE. A WINTRY MIX IS POSSIBLE

WITH THIS SETUP AT THE ONSET BEFORE THE CHANGEOVER TO RAIN SOMETIME

DURING THE DAY MON. IN-SITU CAD MAY DEVELOP MON AND LAST LONGER

THAN MODELS INDICATE...SO COLDER TEMPS AND CLOUDIER CONDITIONS MAY

PERSIST ERY NEXT WEEK.

FCST UNCERTAINTY DECREASES CONSIDERABLY FOR THE MIDDLE OF NEXT WEEK.

WILL NEED TO WATCH FOR A WAVE OF LOPRES DEVELOPING ALONG A STALLED

FRONTAL BOUNDARY LIKE THE 12Z GFS AND SOME ITS ENSEMBLE MEMBERS

SHOW. 00Z ECMWF ALSO ON BOARD W/ THIS SOLN...BUT IT KEEP PCPN S OF

CWFA.

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LWX discussion from early morning, FWIW

LONG TERM /SUNDAY NIGHT THROUGH THURSDAY/...

HIPRES IS FCST TO SHIFT OFF THE COAST SUN NGT AS AN ORGANIZED LOW

MOVES NEWD INTO THE UPPER MIDWEST. BROAD SLY FLOW IN BETWEEN BOTH

SYSTEMS WILL DRAW WARM/MOIST AIR UP THE ERN SEABOARD. MOST GUIDANCE

PRINTS OUT LIGHT QPF LATE SUN NGT INTO MON. WHILE TEMPS ALOFT

QUICKLY RISE ABOVE FREEZING PRIOR PRECIP STARTING...A WEDGE OF COLD

AIR AT THE SFC WILL TAKE LONGER TO ERODE. A WINTRY MIX IS POSSIBLE

WITH THIS SETUP AT THE ONSET BEFORE THE CHANGEOVER TO RAIN SOMETIME

DURING THE DAY MON. IN-SITU CAD MAY DEVELOP MON AND LAST LONGER

THAN MODELS INDICATE...SO COLDER TEMPS AND CLOUDIER CONDITIONS MAY

PERSIST ERY NEXT WEEK.

FCST UNCERTAINTY DECREASES CONSIDERABLY FOR THE MIDDLE OF NEXT WEEK.

WILL NEED TO WATCH FOR A WAVE OF LOPRES DEVELOPING ALONG A STALLED

FRONTAL BOUNDARY LIKE THE 12Z GFS AND SOME ITS ENSEMBLE MEMBERS

SHOW. 00Z ECMWF ALSO ON BOARD W/ THIS SOLN...BUT IT KEEP PCPN S OF

CWFA.

 

Right on cue.

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