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Hurricane Debby


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1 minute ago, gtg947h said:

5.19 inches so far here in Pooler, and two tornado warnings :thumbsdown:

Back yard is flooding, starting to get nervous about my shop (it's a little lower than the house)...

Good luck there too.

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The tropical cyclone should continue to weaken while it moves over 
land for the next day or so.  By late Tuesday, assuming the center 
of the system moves back over water, some re-intensification is 
forecast.  The NHC forecast continues to show only modest 
restrengthening due to the uncertainties, although this may be 
conservative.
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Perhaps it’s a touch faster and east—I don’t have an overlay, but the center is still inland looking at the radar loop. The circle is where I’d put it. 

dRKjq9z.png
 

Radar velocities remain between 40-50mph so the weakening trend has continued, but like I said earlier the structure is what matters. It has clearly degraded, perhaps at a slightly accelerated pace, the last few hours. 

75887073.gif?0.9728662604884825
 

How much this all matters remains to be seen. I’ll be looking for whether convection begins to fire closer to the center as it approaches the coast, which will take time. SSTs are warm but we have to see if the center can get over the Gulf Stream and for any meaningful amount of time.

AJ43uNg.jpeg

Shear doesn’t look too bad in the Atlantic the next few days looking at current analysis and SHIPS, so time and proximity to land are the biggest inhibitors determining whether this remains a TS or makes a run at hurricane intensity again. 

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30 minutes ago, NotSureWeather said:

Stronger and more east

Well perhaps Hilton Head gets 15 inches instead of 30 inches. That's a relief. Perhaps Deb gets picked up and ends up faster than forecast sparing the Southeast from historic floods.

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SUMMARY OF 1100 PM EDT...0300 UTC...INFORMATION
-----------------------------------------------
LOCATION...31.1N 82.1W
ABOUT 60 MI...95 KM NNW OF JACKSONVILLE FLORIDA
ABOUT 35 MI...60 KM W OF BRUNSWICK GEORGIA
MAXIMUM SUSTAINED WINDS...45 MPH...75 KM/H
PRESENT MOVEMENT...NE OR 50 DEGREES AT 7 MPH...11 KM/H
MINIMUM CENTRAL PRESSURE...997 MB...29.44 INCHES
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Now that Debby is approaching her stall era, even 10 miles of difference east could change her eventual fate. If the center can fully park itself offshore than I think it can regain hurricane strength, maybe become even stronger than before FL landfall. Otherwise, I expect we will continue to see Debby spin down.

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