* * * * * As much as I hate Debtember, I can't wait for it to come this year > AGREEMENT AMONG THE TRACK GUIDANCE MODELS...WHICH HAD BEEN VERY GOOD > OVER THE PAST COUPLE OF DAYS...HAS COMPLETELY COLLAPSED TODAY. THE > 06Z RUNS OF THE GFS...GFDL...AND NOGAPS MODELS ACCELERATED WILMA > RAPIDLY TOWARD NEW ENGLAND UNDER THE INFLUENCE OF A LARGE LOW > PRESSURE SYSTEM IN THE GREAT LAKES REGION. ALL THREE OF THESE > MODELS HAVE BACKED OFF OF THIS SOLUTION...WITH THE GFDL SHOWING AN > EXTREME CHANGE...WITH ITS 5-DAY POSITION SHIFTING A MERE 1650 NMI > FROM ITS PREVIOUS POSITION IN MAINE TO THE WESTERN TIP OF CUBA. > THERE IS ALMOST AS MUCH SPREAD IN THE 5-DAY POSITIONS OF THE 12Z > GFS ENSEMBLE MEMBERS...WHICH RANGE FROM THE YUCATAN TO WELL EAST OF > THE DELMARVA PENINSULA. WHAT THIS ILLUSTRATES IS THE EXTREME > SENSITIVITY OF WILMA'S FUTURE TRACK TO ITS INTERACTION WITH THE > GREAT LAKES LOW. OVER THE PAST COUPLE OF DAYS...WILMA HAS BEEN > MOVING SLIGHTLY TO THE LEFT OR SOUTH OF THE MODEL GUIDANCE...AND > THE LEFT-MOST OF THE GUIDANCE SOLUTIONS ARE NOW SHOWING WILMA > DELAYING OR MISSING THE CONNECTION WITH THE LOW. I HAVE SLOWED THE > OFFICIAL FORECAST JUST A LITTLE BIT AT THIS TIME...BUT IF WILMA > CONTINUES TO MOVE MORE TO THE LEFT THAN EXPECTED...SUBSTANTIAL > CHANGES TO THE OFFICIAL FORECAST MAY HAVE TO BE MADE DOWN THE LINE. > NEEDLESS TO SAY...CONFIDENCE IN THE FORECAST TRACK...ESPECIALLY THE > TIMING...HAS DECREASED CONSIDERABLY.> “HUR RICANE WILMA DISCUSSION NUMBER 18 [1]” Or in other words … “We have no clue where this thing [2] is going.” Lovely. [1] http://www.nhc.noaa.gov/text/refresh/MIATCDAT4+shtml/192106.shtml? [2] http://www.nhc.noaa.gov/archive/2005/refresh/WILMA+shtml/211020.shtml? Email Sean Conner at sean@conman.org .