Alert archive / North Carolina / Flash Flood Warnings in 2021
Flash Flood Warning 10, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this flash flood warning at Aug 16, 2021, 3:02 AM EDT for Haywood County, Jackson County, Transylvania County, North Carolina. It was in force for 5 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
- Aug 16, 2021, 3:02 AM EDT (07:02 UTC)
- Expired
- Aug 16, 2021, 7:45 AM EDT
- In force
- 5 hr
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Storm-based polygon
- Flood severity
- None
Counties Haywood County, NC, Jackson County, NC, Transylvania County, NC
The radar
The Greer radar (KGSP), 76 km from the middle of the area, began a volume at 07:03 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
Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 7.0 hours before the alert went out and 254 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
- 919 J/kg
- Mixed-layer CIN
- -9 J/kg
- Mixed-layer LCL
- 972 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- 11 m²/s²
- 0-3 km storm-relative helicity
- 31 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
329
WGUS52 KGSP 160702
FFWGSP
NCC087-099-175-161015-
/O.NEW.KGSP.FF.W.0010.210816T0702Z-210816T1015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Greenville-Spartanburg SC
302 AM EDT Mon Aug 16 2021
The National Weather Service in Greenville-Spartanburg has issued a
* Flash Flood Warning for...
Southeastern Haywood County in western North Carolina...
Southeastern Jackson County in western North Carolina...
Central Transylvania County in western North Carolina...
* Until 615 AM EDT.
* At 302 AM EDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 2 and 4 inches of rain
have fallen. Additional rainfall amounts up to 1 inch are possible
in the warned area. Flash flooding is ongoing or expected to begin
shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
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...
Graveyard Fields, Black Balsam Area, B.R. Parkway-Black Balsam To
Mount Pisgah, Lake Toxaway, B.R. Parkway-Balsam Gap To Black
Balsam Area, Gorges State Park, Balsam Grove, Wolf Mountain, Cruso
and Sapphire.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
&&
LAT...LON 3511 8304 3516 8305 3526 8300 3536 8291
3544 8285 3545 8283 3538 8272 3526 8280
3511 8294 3509 8300
FLASH FLOOD...RADAR INDICATED
$$
Krentz2 follow-up statements
073
WGUS72 KGSP 160757
FFSGSP
Flash Flood Statement
National Weather Service Greenville-Spartanburg SC
357 AM EDT Mon Aug 16 2021
NCC087-099-175-161015-
/O.CON.KGSP.FF.W.0010.000000T0000Z-210816T1015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Haywood NC-Jackson NC-Transylvania NC-
357 AM EDT Mon Aug 16 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 615 AM EDT THIS
MORNING FOR SOUTHEASTERN HAYWOOD, SOUTHEASTERN JACKSON AND CENTRAL
TRANSYLVANIA COUNTIES...
At 357 AM EDT, Doppler radar indicated thunderstorms producing heavy
rain across the warned area. Between 3 and 5 inches of rain have
fallen. Additional rainfall amounts up 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...Radar.
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...
Graveyard Fields, Black Balsam Area, B.R. Parkway-Black Balsam To
Mount Pisgah, Lake Toxaway, B.R. Parkway-Balsam Gap To Black
Balsam Area, Gorges State Park, Balsam Grove, Wolf Mountain, Cruso
and Sapphire.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Heavy rain is increasing the risk of landslides, especially in areas
where slides have occurred in the past. Be especially alert if you
are near a stream, especially at the base of a mountain or in a
cove. Watch for loose-moving soil and rocks or a sudden increase in
streamflow. Leave the area quickly if this is observed. When driving
along roads where the terrain is steep or rocky, watch and listen
for falling rocks, mud, trees and other debris.
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
&&
LAT...LON 3511 8304 3516 8305 3526 8300 3536 8291
3544 8285 3545 8283 3538 8272 3526 8280
3511 8294 3509 8300
FLASH FLOOD...RADAR INDICATED
$$
Krentz786
WGUS52 KGSP 160959
FFWGSP
NCC087-099-175-161145-
/O.EXT.KGSP.FF.W.0010.000000T0000Z-210816T1145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Greenville-Spartanburg SC
559 AM EDT Mon Aug 16 2021
The National Weather Service in Greenville-Spartanburg has extended
the
* Flash Flood Warning for...
Southeastern Haywood County in western North Carolina...
Southeastern Jackson County in western North Carolina...
Central Transylvania County in western North Carolina...
* Until 745 AM EDT.
* At 559 AM EDT, Doppler radar and automated rain gauges indicated
thunderstorms producing heavy rain across the warned area. Between
4 and 7 inches of rain have fallen since 1 am. Additional rainfall
amounts up to 1 inch are possible in the warned area. Flash
flooding is ongoing or expected to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar and automated gauges.
IMPACT...Flash flooding of small creeks and streams, highways,
streets and underpasses as well as other poor drainage
and low-lying areas.
* Some locations that will experience flash flooding include...
Graveyard Fields, Black Balsam Area, B.R. Parkway-Black Balsam To
Mount Pisgah, Lake Toxaway, B.R. Parkway-Balsam Gap To Black
Balsam Area, Gorges State Park, Balsam Grove, Wolf Mountain, Cruso
and Sapphire.
Rain will end temporarily across the Warned area by 630 am, but
water will continue to rise on streams that drain into the French
Broad River above Rosman and into Lake Toxaway and Lake Jocassee.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Heavy rain is increasing the risk of landslides, especially in areas
where slides have occurred in the past. Be especially alert if you
are near a stream, especially at the base of a mountain or in a
cove. Watch for loose-moving soil and rocks or a sudden increase in
streamflow. Leave the area quickly if this is observed. When driving
along roads where the terrain is steep or rocky, watch and listen
for falling rocks, mud, trees and other debris.
Flooding is occurring or is imminent. It is important to know where
you are relative to streams, rivers, or creeks which can become
killers in heavy rains. Campers and hikers should avoid streams or
creeks.
&&
LAT...LON 3511 8304 3516 8305 3526 8300 3536 8291
3544 8285 3545 8283 3538 8272 3526 8280
3511 8294 3509 8300
FLASH FLOOD...RADAR AND GAUGE INDICATED
$$
MooreThe office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 15, 8:06 PM EDT | Special Weather Statement | GSP | Cleveland | 24 min |
| Aug 15, 8:07 PM EDT | Special Weather Statement | GSP | Transylvania | 23 min |
| Aug 15, 8:09 PM EDT | Special Weather Statement | GSP | McDowell | 36 min |
| Aug 15, 8:18 PM EDT | Special Weather Statement | GSP | Rutherford | 27 min |
| Aug 15, 8:30 PM EDT | Special Weather Statement | GSP | Catawba, Lincoln | 30 min |
| Aug 15, 8:53 PM EDT | Special Weather Statement | GSP | Transylvania | 52 min |
| Aug 15, 9:05 PM EDT | Special Weather Statement | GSP | Catawba | 25 min |
| Aug 15, 9:18 PM EDT | Special Weather Statement | GSP | McDowell | 27 min |
| Aug 15, 9:45 PM EDT | Special Weather Statement | GSP | Avery | 30 min |
| Aug 16, 2:52 AM EDT | Areal Flood Advisory | GSP | Buncombe, Haywood, Henderson, Jackson, Transylvania | 3 hr |
| Aug 16, 4:39 AM EDT | Flash Flood Warning | GSP | Jackson, Transylvania | 3 hr |
| Aug 16, 4:59 AM EDT | Flash Flood Warning | GSP | Henderson, Transylvania | 3 hr |
| Aug 16, 7:43 AM EDT | Flash Flood Warning | GSP | Transylvania | 4 hr |
| Aug 16, 8:51 AM EDT | Special Weather Statement | GSP | Catawba | 39 min |
| Aug 16, 9:49 AM EDT | Special Weather Statement | GSP | Catawba, Lincoln | 41 min |
| Aug 16, 10:24 AM EDT | Flash Flood Warning | GSP | Catawba, Lincoln | 3 hr |
| Aug 16, 2:20 PM EDT | Flash Flood Watch | GSP | Avery, Buncombe, Burke, Caldwell, Graham, Haywood and 11 more | 40 hr |
| Aug 16, 3:46 PM EDT | Special Weather Statement | GSP | Gaston, Mecklenburg | 59 min |
| Aug 16, 4:46 PM EDT | Special Weather Statement | GSP | Transylvania | 59 min |
| Aug 16, 5:14 PM EDT | Special Weather Statement | GSP | Davie, Iredell | 76 min |
| Aug 16, 6:53 PM EDT | Areal Flood Advisory | GSP | Jackson, Transylvania | 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.