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  • Current Tropical Systems
    Erin

Hurricane Erin

The 24-hour errors from the official track have generally been decently good, but they're now 66 nautical miles too far north, as today's westward jog is taking the official forecast by surprise somewhat. I'll avoid them for brevity, but even the HAFS-A and HAFS-B are too far north 24-hours lagged, by about 30-35 nautical miles.

1755370821269.png



The HAFS-A intensity error 24-hours lagged is shown below, of course showing how under modeled the RI was. Other models show similar or worse error.


1755371036308.png



The track versus the NHC Cone 3 days ago:

1755371794017.png


And the track versus 24 hours ago and 12 hours ago show it is outside the Cone altogether, to the South.


1755371825261.png


1755371852833.png




4 days out, really the only people currently that need to watch for trends is Bermuda, but with the forecast trending on the south and west side of the cone, I'd be less concerned about them and increasingly watchful over in the Outer Banks.
1755371992394.png



Going out 5 days, Nova Scotia will have to watch and interestingly, the New England states will need to watch as well for trends. Looks very unlikely, but watch trends.

1755372101416.png
 
Anyone know when the next recon will be in the storm? Looks like the eye wall replacement cycle that was starting earlier FAILED (meaning on replacement, no weakening) and it looks like it's continuing to strengthen. I really hope we don't miss the peak because of plane scheduling.
 
Anyone know when the next recon will be in the storm? Looks like the eye wall replacement cycle that was starting earlier FAILED (meaning on replacement, no weakening) and it looks like it's continuing to strengthen. I really hope we don't miss the peak because of plane scheduling.
To answer my own question, best I can tell, they have planes departing around 7:30 PM tonight into the storm. Such a long wait ugh.

EDIT: I appear mistaken.

 
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