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Tropical Hurricane Sally

DustinWx said:
To me eye looks to be filing in on radar. Not sure if it means anything
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I think you’re referring to the eye wall? But if not I think thats what I’m seeing on radar right now.. clearly the eye wall is starting to get more established around the entire eye .. definitely a big eye at that ..looks to be about 45 miles wide .. but seeing lots of new thunderstorms wrapping around and developing really trying to close off this eye .. if we see it happen .. I can easily see an upgrade to cat 2 but I’m not seeing wild readings on the velocity data which makes me think she’s just a very organized cat 1
 
Nick_boynton_ said:
I think you’re referring to the eye wall? But if not I think thats what I’m seeing on radar right now.. clearly the eye wall is starting to get more established around the entire eye .. definitely a big eye at that ..looks to be about 45 miles wide .. but seeing lots of new thunderstorms wrapping around and developing really trying to close off this eye .. if we see it happen .. I can easily see an upgrade to cat 2 but I’m not seeing wild readings on the velocity data which makes me think she’s just a very organized cat 1
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Friction also should be helping wrap her up nice and tight from now on since she’s on the approach now ... but she’s moving so slow which makes me think that’s why we’re seeing models give her a last second crank since that friction will tighten her up a lot longer than if a storm was approaching at 15-20 mph
 
not far off from what I’m thinking. Maybe shave 15% off those totals from GSP to Rockingham NC tho. A1C51C79-D5FF-412B-8029-AC7C66551F34.jpeg
 
90MPH Sustained Wind and 103 Gust from the SSW reported at 160 meters above this buoy location. Gust of 107 MPH Gust reported at 4:20PM.

NDBC - Station KVOA Recent Data

National Data Buoy Center - Recent observations from station KVOA (29.229N 87.781W) - Viosca Knoll 786 / Petronius (Chevron).
www.ndbc.noaa.gov www.ndbc.noaa.gov
 
Duke Energy water release for the Nantahala, Catawba, Yadkin and Keowee-Toxaway river basins. To prepare for the storm, Duke Energy is lowering lake levels by aggressively moving water through these river systems.
 
You can clearly see the eye trying to clear. Its looks stronger as well. Wonder if pressures dropping?
 
If you look at the velocity on the mobile, AL radar it looks like the winds in the NE quadrant are getting faster. Instresting watching the loop on radarScreenshot_20200915-184505_RadarScope.jpgScreenshot_20200915-184512_RadarScope.jpg
 
Is the dry air that's been inhibiting Sally all day part of a piece of upper level energy that merged with the storm this afternoon? I'm trying to figure out why Sally has been strengthening over the past hour, and the only thing I can think of that's different a 200Mb piece of energy injected itself around the SW side of the storm.

When I look at the 250 Mb wind map, you can actually see upper level winds circulating around Sally when the 200Mb energy stacks over Sally. Then she gets captured by the trough.
tropicaltidbits.com

GFS Model

GFS model forecast of 250mb Wind for CONUS
tropicaltidbits.com tropicaltidbits.com
 
Looking at TWC’s radar, it definitely looks like the movement has been NNE to NE for about the last hour. Honestly it’s probably the most noticeable movement in any direction I’ve seen in an hour frame all day
 
Chazwin said:
Looking at TWC’s radar, it definitely looks like the movement has been NNE to NE for about the last hour. Honestly it’s probably the most noticeable movement in any direction I’ve seen in an hour frame all day
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It’s actually stationary.


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