Alert archive / North Carolina / Flash Flood Warnings in 2021
Flash Flood Warning 6, NWS Wilmington, NC
NWS Wilmington, NC issued this flash flood warning at Sep 21, 2021, 5:20 PM EDT for Brunswick County, New Hanover County, Pender County, North Carolina. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Sep 21, 2021, 5:20 PM EDT (21:20 UTC)
- Expired
- Sep 21, 2021, 8:30 PM EDT
- In force
- 3 hr
- Issued by
- NWS Wilmington, NC
- Area
- Storm-based polygon
- Flood severity
- None
Counties Brunswick County, NC, New Hanover County, NC, Pender County, NC
The radar
The Wilmington radar (KLTX), 55 km from the middle of the area, began a volume at 21:20 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Newport, NC (KMHX), launched 12:00Z, 9.3 hours before the alert went out and 113 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 583 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 763 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 37 m²/s²
- 0-3 km storm-relative helicity
- 86 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
665
WGUS52 KILM 212120
FFWILM
NCC019-129-141-220030-
/O.NEW.KILM.FF.W.0006.210921T2120Z-210922T0030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Wilmington NC
520 PM EDT Tue Sep 21 2021
The National Weather Service in Wilmington has issued a
* Flash Flood Warning for...
Northeastern Brunswick County in southeastern North Carolina...
Northwestern New Hanover County in southeastern North Carolina...
South Central Pender County in southeastern North Carolina...
* Until 830 PM EDT.
* At 520 PM EDT, emergency management reported that Daws Creek Road
just to the west of Highway 133 in eastern Brunswick County, NC is
closed. Meanwhile, radar indicates possible flooding along and
north of downtown Wilmington, NC. Between 2 and 4.5 inches of rain
have fallen. Additional rainfall amounts of 1 to 2 inches are
possible in the warned area. Flash flooding is ongoing or expected
to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Emergency management reported.
IMPACT...Flash flooding of small creeks and streams, urban
areas, highways, streets and underpasses as well as
other poor drainage and low-lying areas.
* Some locations that will experience flash flooding include...
Wilmington, Leland, Wrightsboro, Hightsville, Wilmington
International Airport, Cape Fear Community College North Campus,
Kings Grant, Castle Hayne, Murrayville, University Of North
Carolina At Wilmington, Ogden, Masonboro, Silver Lake, Belville,
Navassa and New Hanover Regional Medical Center.
This includes the following highways...
Interstate 140 between mile markers 15 and 20.
Interstate 40 between mile markers 411 and 416.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Excessive runoff from heavy rainfall will cause dangerous flooding,
especially near creeks and streams, drainage ditches, and low-lying
flood prone areas. Turn around, don't drown if you encounter a
flooded road. Most flood deaths occur in vehicles. Stay away from
storm drains, culverts, creeks, and streams. Water levels can rise
rapidly and sweep you away.
&&
LAT...LON 3439 7805 3441 7778 3435 7780 3416 7789
3412 7801 3419 7800 3420 7800
FLASH FLOOD...OBSERVED
$$
IGB1 follow-up statement
576
WGUS72 KILM 220020
FFSILM
Flash Flood Statement
National Weather Service Wilmington NC
820 PM EDT Tue Sep 21 2021
NCC019-129-141-220030-
/O.EXP.KILM.FF.W.0006.000000T0000Z-210922T0030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Brunswick NC-New Hanover NC-Pender NC-
820 PM EDT Tue Sep 21 2021
...FLASH FLOOD WARNING WILL EXPIRE AT 830 PM EDT THIS EVENING FOR
NORTHEASTERN BRUNSWICK, NORTHWESTERN NEW HANOVER AND SOUTH CENTRAL
PENDER COUNTIES...
Flooding is no longer expected to pose a threat. Please continue to
heed remaining road closures.
A Flash Flood Watch remains in effect until 900 AM EDT Wednesday for
portions of southeast North Carolina and northeast South Carolina.
LAT...LON 3439 7805 3441 7778 3435 7780 3416 7789
3412 7801 3419 7800 3420 7800
$$
IGBThe office that day
Everything else NWS Wilmington, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 20, 8:08 PM EDT | Rip Current Statement | ILM | New Hanover, Pender | 24 hr |
| Sep 21, 3:12 AM EDT | Flash Flood Watch | ILM | Bladen, Brunswick, Columbus, New Hanover, Pender | 39 hr |
| Sep 21, 8:23 AM EDT | Areal Flood Advisory | ILM | Brunswick, New Hanover, Pender | 112 min |
| Sep 21, 9:13 AM EDT | Coastal Flood Advisory | ILM | New Hanover | 4 hr |
| Sep 21, 10:11 AM EDT | Small Craft Advisory | ILM | 14 hr | |
| Sep 21, 11:13 AM EDT | Areal Flood Advisory | ILM | Bladen, Brunswick, Columbus | 3 hr |
| Sep 21, 12:34 PM EDT | Special Weather Statement | ILM | Brunswick | 41 min |
| Sep 21, 1:34 PM EDT | Areal Flood Advisory | ILM | Bladen, Brunswick, Columbus, New Hanover, Pender | 3 hr |
| Sep 21, 5:00 PM EDT | Flash Flood Warning | ILM | New Hanover | 21 min |
| Sep 21, 5:47 PM EDT | Areal Flood Advisory | ILM | Pender | 3 hr |
Nearby
Flash Flood Warnings in North Carolina, 2021Every flash flood warning in 2021
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.