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Hurricane Debby

JHS said:
992 it looks like.
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I think a drop to 980-985mb is certainly possible, depending how long it has over water. The problem is that even a high end category 1 strengthening up to landfall and hitting the coast at a right angle can still cause a significant storm surge, especially with the beaches taking a pounding from rough surf the next couple days.
 
Chazwin said:
I think a drop to 980-985mb is certainly possible, depending how long it has over water. The problem is that even a high end category 1 strengthening up to landfall and hitting the coast at a right angle can still cause a significant storm surge, especially with the beaches taking a pounding from rough surf the next couple days.
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Holden beach is already damaged at the point on the east end IMG951811(1).jpg20240803_091055.jpg
 
Kind of grateful for Debby a little bit because this has currently been blocking your typical summer heat. It's been nice outside.

The rain forecasted off the stall though...yikes.
 
What a mess here! There had been a tornado warning that expired an hour ago. Much of the yard and entire patio is covered with standing water. Street flooded. Now this and there’s a very long ways to go before the on and off heavy rain ends. And the strong winds haven’t even got here yet though they’re now picking up. Also Tornado watch extended til 1AM:

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
BRYAN COUNTY IN SOUTHEASTERN GEORGIA...
BULLOCH COUNTY IN SOUTHEASTERN GEORGIA...
CHATHAM COUNTY IN SOUTHEASTERN GEORGIA...
EFFINGHAM COUNTY IN SOUTHEASTERN GEORGIA...
EVANS COUNTY IN SOUTHEASTERN GEORGIA...
LIBERTY COUNTY IN SOUTHEASTERN GEORGIA...
LONG COUNTY IN SOUTHEASTERN GEORGIA...
MCINTOSH COUNTY IN SOUTHEASTERN GEORGIA...
TATTNALL COUNTY IN SOUTHEASTERN GEORGIA...
JASPER COUNTY IN SOUTHEASTERN SOUTH CAROLINA...

* UNTIL 1130 PM EDT.

* AT 532 PM EDT, DOPPLER RADAR INDICATED BANDS OF TORRENTIAL RAIN
ASSOCIATED WITH TROPICAL STORM DEBBY WILL EXPAND ACROSS MUCH OF
SOUTHEAST GEORGIA THROUGH THE EVENING HOURS. BETWEEN 2.5 AND 5
INCHES OF RAIN HAVE FALLEN SO FAR THIS AFTERNOON. ADDITIONAL
RAINFALL AMOUNTS OF 4 TO 6 INCHES, WITH LOCALLY HIGHER AMOUNTS,
ARE POSSIBLE IN THE WARNED AREA. FLASH FLOODING IS EXPECTED TO
DEVELOP THIS EVENING AND COULD CONTINUE INTO THE OVERNIGHT HOURS.

HAZARD...LIFE THREATENING FLASH FLOODING. HEAVY RAIN PRODUCING
FLASH FLOODING.

SOURCE...RADAR INDICATED.

IMPACT...LIFE THREATENING FLASH FLOODING OF CREEKS AND STREAMS,
URBAN AREAS, HIGHWAYS, STREETS AND UNDERPASSES.

* SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...
HINESVILLE, SAVANNAH, POOLER, BLUFFTON, RICHMOND HILL, REIDSVILLE,
GLENNVILLE, TYBEE ISLAND, CLAXTON, PEMBROKE AND DARIEN.
 
The 18z GFS is sticking to its guns. It’s either going to make the other modeling look rediculous or it’s going to have one the worst performances we have ever seen from a model in the mid range.
 
JHS said:
It is actually west, and the center may just get back to Alabama again.
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I was just going to say that. Its going rot over land a very long time before it ever gets here. Nothing burger here and it doesnt get back over water long enough to do much windwise
 
JHS said:
It is actually west, and the center may just get back to Alabama again.
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Made almost to the GA/AL line before turning NNE. The center is just south of ATL on Friday evening. I mean this isn’t just the GFS doing goofy things like it does in the long range. This is literally getting into the time period that it’s most useful.

Edit: Even its rainfall totals are off for the set up. By 12z Saturday, there’s only 1-2 inches of rainfall for the NC mountains, despite days of a moist southeast flow running up the mountains.
 
Observation vs science, but the trough to the west in the Carolinas (piedmont) and easterly wind fetch, plus a loop back west should be the focus here? For some reason this screams over-performer piedmont west. Even back to the south facing mtns (upslope).
 
Wilmington is not being shy about this risk.

&&

.SHORT TERM /TUESDAY NIGHT THROUGH WEDNESDAY NIGHT/...
Well into the thick of Debby at this point. Constant rain this
period, expected to be extremely heavy most of the time, as deep
Atlantic moisture gets pulled in from Debby spinning just offshore
of South Carolina. This deep moisture, combined with the slow
motion, will yield a widespread flooding rain threat. Flash flooding
is projected to be extreme in some cases, with rainfall amounts of
16-20 inches possible near the coast (8-16 inches possible inland).
If a particular rain band sets up just right, rainfall amounts could
easily exceed these numbers.

Several areas are likely to see road scours, washouts, and/or
complete failures. Flooding into structures in the low-lying areas
are a given. Flood waters are likely to cut some areas off from the
mainland. Over the last day or two, we`ve been using words like
"devastating," "catastrophic," and "life-threatening". These
words still apply. This is an issue everywhere, but especially
for the northeast SC coast. DO NOT drive across flooded areas.
Past events of this caliber have led to flash flood-related
fatalities, mostly because of people driving through flooded
roads. Please don`t do this.

We`ve gotten a lot of calls asking for comparisons of Debby vs.
other storms of the past. It`s not really appropriate to play the
comparison game, because Debby will be historic in its own right.
There is no way for us to know if you and your home will
specifically be part of that negative history. But what we CAN say
is that many lives and homes alike will be upended by this storm.
These kind of widespread impacts we haven`t seen in at least 5
years. PLEASE prepare now. Have fresh water, non-perishable foods,
batteries, meds, and more at the ready. Charge all of your devices.
See ready.gov/hurricanes for more information on what to include. Go
to weather.gov/media/ilm/LatestBriefing.pdf for our latest forecast,
which goes into better detail than what these forecast discussions
give
 
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