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Hurricane Debby


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TORNADO WARNING  
NATIONAL WEATHER SERVICE RALEIGH NC  
221 AM EDT THU AUG 8 2024  

THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A  

* TORNADO WARNING FOR...  
NORTHEASTERN WAYNE COUNTY IN CENTRAL NORTH CAROLINA...  
SOUTHERN WILSON COUNTY IN CENTRAL NORTH CAROLINA...  

* UNTIL 300 AM EDT.  

* AT 220 AM EDT, A CONFIRMED LARGE AND EXTREMELY DANGEROUS TORNADO  
WAS LOCATED 7 MILES NORTHWEST OF SNOW HILL, OR 12 MILES SOUTHWEST  
OF FARMVILLE, MOVING NORTHWEST AT 30 MPH. 

THIS IS A PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW!  

HAZARD...DAMAGING TORNADO.  

SOURCE...RADAR CONFIRMED TORNADO.  

IMPACT...YOU ARE IN A LIFE-THREATENING SITUATION. FLYING DEBRIS  
MAY BE DEADLY TO THOSE CAUGHT WITHOUT SHELTER. MOBILE  
HOMES WILL BE DESTROYED. CONSIDERABLE DAMAGE TO HOMES,  
BUSINESSES, AND VEHICLES IS LIKELY AND COMPLETE  
DESTRUCTION IS POSSIBLE.  

* THE TORNADO WILL BE NEAR...  
EUREKA AROUND 225 AM EDT.  
BLACK CREEK AROUND 235 AM EDT.  

OTHER LOCATIONS IMPACTED BY THIS TORNADIC THUNDERSTORM INCLUDE  
SARATOGA, LUCAMA, BLACK CREEK, EUREKA, AND STANTONSBURG.  

PRECAUTIONARY/PREPAREDNESS ACTIONS...  

TO REPEAT, A LARGE, EXTREMELY DANGEROUS AND POTENTIALLY DEADLY  
TORNADO IS ON THE GROUND
. TO PROTECT YOUR LIFE, TAKE COVER NOW! MOVE  
TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY  
BUILDING. AVOID WINDOWS. IF YOU ARE OUTDOORS, IN A MOBILE HOME, OR IN  
A VEHICLE, MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT  
YOURSELF FROM FLYING DEBRIS.

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TORNADO WARNING  
NATIONAL WEATHER SERVICE RALEIGH NC  
251 AM EDT THU AUG 8 2024  

THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A  

* TORNADO WARNING FOR...  
SOUTHWESTERN NASH COUNTY IN CENTRAL NORTH CAROLINA...  
SOUTHWESTERN WILSON COUNTY IN CENTRAL NORTH CAROLINA...  
NORTHEASTERN JOHNSTON COUNTY IN CENTRAL NORTH CAROLINA...  

* UNTIL 315 AM EDT.  

* AT 250 AM EDT, A CONFIRMED LARGE AND EXTREMELY DANGEROUS TORNADO  
WAS LOCATED 7 MILES SOUTHWEST OF WILSON, OR 20 MILES SOUTH OF  
NASHVILLE, MOVING NORTHWEST AT 35 MPH.  


THIS IS A PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW!  

HAZARD...DAMAGING TORNADO.  

SOURCE...RADAR CONFIRMED TORNADO.  

IMPACT...YOU ARE IN A LIFE-THREATENING SITUATION. FLYING DEBRIS  
MAY BE DEADLY TO THOSE CAUGHT WITHOUT SHELTER. MOBILE  
HOMES WILL BE DESTROYED. CONSIDERABLE DAMAGE TO HOMES,  
BUSINESSES, AND VEHICLES IS LIKELY AND COMPLETE  
DESTRUCTION IS POSSIBLE.  

* THE TORNADO WILL BE NEAR...  
BAILEY AROUND 255 AM EDT.  

OTHER LOCATIONS IMPACTED BY THIS TORNADIC THUNDERSTORM INCLUDE EMIT,  
SIMS, LUCAMA, BUCKHORN RESERVOIR, AND MIDDLESEX.

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41 minutes ago, WxWatcher007 said:

14805205.gif?0.5486601039041348
 

Quite a solid look on IR

It definitely spun up overnight when it regenerated convection. The dry air that mixed in when it stalled likely saved South Carolina from the catastrophic flooding it otherwise would’ve been capable of producing. Widespread flooding in NC this morning but nothing major yet at least that I’m aware of. I am becoming concerned for the foothill regions that will get upslope enhancement to possibly exceed 10”. This storm has been a prolific tornado producer, and unfortunately one caused a fatality in Wilson county this morning

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23 minutes ago, NorthHillsWx said:

It definitely spun up overnight when it regenerated convection. The dry air that mixed in when it stalled likely saved South Carolina from the catastrophic flooding it otherwise would’ve been capable of producing. Widespread flooding in NC this morning but nothing major yet at least that I’m aware of. I am becoming concerned for the foothill regions that will get upslope enhancement to possibly exceed 10”. This storm has been a prolific tornado producer, and unfortunately one caused a fatality in Wilson county this morning

Hopefully Debby picks up substantial speed soon to save the foothills.

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WTNT44 KNHC 081442
TCDAT4

Tropical Storm Debby Discussion Number  25
NWS National Hurricane Center Miami FL       AL042024
1100 AM EDT Thu Aug 08 2024

Debby continues to move farther inland with the center now located
over northern South Carolina.  Surface observations and radar data
indicate that the strongest winds are likely occurring near the
coast and just offshore of southern North Carolina.  The highest
sustained winds during the past couple of hours from reliable
surface observation sites are near 30 kt with higher gusts.  Based
on the decreasing observed wind speeds, the initial intensity is 
lowered to 35 kt for this advisory.  By far, the most significant 
threat with Debby continues to be flash flooding from heavy 
rainfall.

Debby is starting to accelerate toward the north-northwest, with the 
current motion estimated at 345/9-kt.  A ridge that is currently 
strengthening over the western Atlantic will cause Debby to 
accelerate northward, moving across central North Carolina this 
evening.  Then, a deep-layer trough will approach the Great Lakes 
region on Friday, which will cause Debby to accelerate northeastward 
over the Mid-Atlantic and Northeast U.S. Friday and Friday night and 
then over Atlantic Canada on Saturday.  There are only minor changes 
to the track forecast, hedging toward the latest consensus models.

Debby should continue to weaken as it moves farther inland, and most 
of the models indicate that the winds near the coast should decrease 
a bit more later today.  Debby is expected to weaken to a tropical 
depression by this afternoon or evening.  Model phase space diagrams 
show that Debby should complete transition to an extratropical 
cyclone in about 24 to 30 h.  The current satellite imagery shows 
that Debby is already starting to interact with the jet stream, 
which extends toward the east-northeast over the North Atlantic. 
Debby is now expected to complete extratropical transition in about 
24 h as the cyclone merges with a cold front while over the 
mid-Atlantic states.  Beyond Friday, models show a post-tropical 
Debby becoming extremely elongated along the cold front, which will 
eventually lead to dissipation.  The new NHC forecast has Debby 
dissipating Sunday morning, but that could occur sooner.


Key Messages:

1. Heavy rainfall across portions of the Carolinas is expected to
persist through today along with areas of considerable flooding.
Heavy rainfall will also result in considerable to locally
catastrophic flooding impacts across portions of the Mid-Atlantic
States and Northeast through Saturday morning.

2. Tropical storm conditions will continue for several more hours in
the Tropical Storm Warning area along the coast of northeastern
South Carolina and portions of North Carolina.

3. Coastal flooding due to storm surge is likely to continue along
portions of the North Carolina coastline for several more hours.


FORECAST POSITIONS AND MAX WINDS

INIT  08/1500Z 34.5N  79.9W   35 KT  40 MPH...INLAND
 12H  09/0000Z 35.8N  79.9W   30 KT  35 MPH...INLAND
 24H  09/1200Z 38.7N  78.8W   30 KT  35 MPH...POST-TROP/EXTRATROP
 36H  10/0000Z 42.8N  75.0W   30 KT  35 MPH...POST-TROP/EXTRATROP
 48H  10/1200Z 47.0N  69.3W   30 KT  35 MPH...POST-TROP/EXTRATROP
 60H  11/0000Z 50.7N  61.9W   30 KT  35 MPH...POST-TROP/EXTRATROP
 72H  11/1200Z...DISSIPATED
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On 8/7/2024 at 10:53 AM, GaWx said:

 Further to the above’s 8.5”, I’ve gotten an additional 1.8” since ~6PM yesterday for an updated total so far of ~10.3”, easily the largest amount from a single event since Matthew of early Oct of 2016.

 There’s still on and off light rain falling and it’s breezy here on the backside.

 As of yesterday morning’s update I had received 10.3” from Debby. I’ve since had an additional 0.6” to give me a Debby grand total (over 3 days) of 10.9”, easily the largest amount from a single event here since Matthew of Oct 7-8, 2016.


 Together with the 10” I got 7/19-8/3 from PM convection, I’ve received 20.9” during just the 20 day period of 7/19-8/7. Thus, any possible heavy rains from tropical or other during the next few weeks could be extra problematic.

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1 hour ago, StantonParkHoya said:

Sun is out in Raleigh 

That could be slightly concerning as the system has yet to pass. It could still spin up isolated rotating thunderstorms in the eastern NC through tonight.

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26 minutes ago, gymengineer said:

his favorite pastime is underplaying weather events discussed on these boards. He was doing the same thing in the tropical threads last year. Not sure if it's hatred towards the NWS/NHC or what, but he's consistent lol

 

image.thumb.png.7dce31ad771973ad4541e2c1a066d3c0.png

image.thumb.png.e163c11da10402c317aa0f0e6c118b4d.png

image.thumb.png.277950f8c05f484e6269afb236956409.png

image.thumb.png.1aac0e53aee47a5e6fb8f6cc3bdb16ad.png

 

RDU is well over 4" for the event already

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1 hour ago, TSG said:

his favorite pastime is underplaying weather events discussed on these boards. He was doing the same thing in the tropical threads last year. Not sure if it's hatred towards the NWS/NHC or what, but he's consistent lol

 

image.thumb.png.7dce31ad771973ad4541e2c1a066d3c0.png

image.thumb.png.e163c11da10402c317aa0f0e6c118b4d.png

image.thumb.png.277950f8c05f484e6269afb236956409.png

image.thumb.png.1aac0e53aee47a5e6fb8f6cc3bdb16ad.png

 

RDU is well over 4" for the event already

No, I’m a realist in a world of propagandists and hype men. 4 whole inches. Wow. I picked up a pinecone from my driveway today.

If people would stop treating every storm like the next coming of Camille, and stop hyping imminent RI, people would take threats more seriously when appropriate.

 

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Flash Flood Warning
SCC015-019-035-090930-
/O.NEW.KCHS.FF.W.0015.240809T0529Z-240809T0930Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Charleston SC
129 AM EDT Fri Aug 9 2024

...FLASH FLOOD EMERGENCY FOR MONCKS CORNER...

The National Weather Service in Charleston has issued a

* Flash Flood Warning for...
  Berkeley County in southeastern South Carolina...
  Charleston County in southeastern South Carolina...
  Dorchester County in southeastern South Carolina...

* Until 530 AM EDT.

* At 129 AM EDT, Doppler radar numerous showers and thunderstorms
  with torrential rainfall impacting much of Berkeley and Dorchester
  Counties and extending into parts of central and upper Charleston
  County. As much a 2 to 5 inches of rain has fallen in this area
  since late Thursday evening on top of the 9 to 17 inches of rain
  that has fallen over the past several days. Widespread dangerous
  flash flooding is ongoing across the city of Moncks Corner. High
  water rescues are in progress and a life threatening situation is
  developing. Take action now. Renewed flash flood could develop
  across other parts of Dorchester County as well as central and
  upper Charleston County.

  FLASH FLOOD EMERGENCY for Moncks Corner. This is a PARTICULARLY
  DANGEROUS SITUATION. SEEK HIGHER GROUND NOW!

  HAZARD...Life threatening flash flooding. Thunderstorms
           producing flash flooding.

  SOURCE...Radar indicated.

  IMPACT...This is a PARTICULARLY DANGEROUS SITUATION. SEEK
           HIGHER GROUND NOW! Life threatening flash flooding of
           low water crossings, small creeks and streams, urban
           areas, highways, streets and underpasses.

* Some locations that will experience flash flooding include...
  North Charleston, Summerville, Goose Creek, Hanahan, Moncks
  Corner, Saint George, Naval Weapons Station Charleston, Ladson,
  Givhans Ferry State Park and Dorchester.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Move to higher ground now! This is an extremely dangerous and
life-threatening situation. Do not attempt to travel unless you are
fleeing an area subject to flooding or under an evacuation order.

Be especially cautious at night when it is harder to recognize the
dangers of flooding.
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