Alert archive / North Carolina / River Flood Warnings in 2021

River Flood Warning 4, NWS Greenville-Spartanburg, SC

March 25, 2021Buncombe County, North Carolina

NWS Greenville-Spartanburg, SC issued this river flood warning at Mar 25, 2021, 10:57 PM EDT for Buncombe County, North Carolina. It took effect at Mar 26, 2021, 12:52 AM EDT. It was in force for 4 hr.

The area

The outline as issued.

The facts

Issued
Mar 25, 2021, 10:57 PM EDT (02:57 UTC)
In effect from
Mar 26, 2021, 12:52 AM EDT
Expired
Mar 26, 2021, 5:21 AM EDT
In force
4 hr
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon
Flood severity
Minor

County Buncombe County, NC

The radar

The Greer radar (KGSP), 83 km from the middle of the area, began a volume at 02:59 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 river

Written for the forecast point Swannanoa River below Hendersonville Rd (NC 81), in Biltmore Village (2 S Asheville) (BLTN7). The gauge peaked at 9.66 ft at Mar 26, 2021, 12:00 AM EDT.

actionminormoderate5101503/2603/27
Action stage
9 ft
Minor stage
10 ft
Moderate stage
14.5 ft
Major stage
16.5 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 03451000, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

The text

As transmitted.

622 
WGUS42 KGSP 260257
FLWGSP

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Greenville-Spartanburg SC
1057 PM EDT Thu Mar 25 2021

...The National Weather Service in Greenville-Spartanburg SC has 
issued a Flood Warning for the following rivers in North Carolina...

  Swannanoa River At Biltmore affecting Buncombe County.


.Numerous rounds of heavy rainfall have affected the Middle French 
Broad and Swannanoa watersheds since Thursday morning, resulting in 
widespread accumulations of 2-4 inches across Buncombe County.  This 
rainfall is causing rapid rises along the French Broad and Swannanoa 
rivers and associated tributaries.  Expect nuisance to Minor 
flooding of adjacent low-lying areas, including farmland, 
boat-access areas, commercial properties, greenways, parks, and a 
few secondary roads between Asheville Airport and Woodfin, including 
areas of Asheville and Biltmore Village, beginning tonight and 
persisting into early Friday morning.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Motorists should not attempt to drive around barricades or drive 
cars through flooded areas.

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

&&


NCC021-261800-
/O.NEW.KGSP.FL.W.0004.210326T0452Z-210327T0050Z/
/BLTN7.1.ER.210326T0452Z.210326T0600Z.210326T1249Z.NO/
1057 PM EDT Thu Mar 25 2021

The National Weather Service in Greenville-Spartanburg has issued a

* Flood Warning for
  the Swannanoa River At Biltmore.
* Until Friday evening.
* At 10:45 PM EDT Thursday the stage was 9.1 feet and rising rapidly.
* Minor Flood Stage is 10.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above Minor Flood Stage 
  around midnight tonight to a crest of 10.5 feet by 2am. A higher 
  crest between 10.5 and 11.5 feet is possible as additional 
  rainfall is expected tonight so please stay weather aware and 
  monitor river conditions closely.  The Swannanoa River will then 
  fall below Minor Flood Stage tomorrow morning.
* Impact...At 10.0 feet, Minor Flood Stage.  Backwater effects from 
  the Swannanoa River may be causing flooding along Sweeten Creek 
  forcing floodwaters onto Garfield St.  Swannanoa River floodwaters 
  are approaching and may be flooding parts of Swannanoa River Rd. 
  (NC 81), Caledonia Rd., Glendale Ave., and Thompson St.


&&

LAT...LON 3555 8255 3563 8255 3563 8245 3558 8244

$$

JMP
1 follow-up statement
016 
WGUS82 KGSP 260921
FLSGSP

Flood Statement
National Weather Service Greenville-Spartanburg SC
521 AM EDT Fri Mar 26 2021

...The Flood Warning is cancelled for the following rivers in North 
Carolina...

  Swannanoa River At Biltmore affecting Buncombe County.

.Heavy rainfall has ended across the Swannanoa River watershed and 
additional rainfall is not expected.  The river has crested as the 
floodwave has passed into the French Broad River.  With the 
Swannanoa River falling below bankfull levels, flooding is no longer 
a threat and the Flood Warning will be cancelled.

NCC021-261030-
/O.CAN.KGSP.FL.W.0004.000000T0000Z-210326T0921Z/
/BLTN7.1.ER.000000T0000Z.000000T0000Z.000000T0000Z.NO/
521 AM EDT Fri Mar 26 2021

...The Flood Warning for the Swannanoa River At Biltmore has been 
cancelled...

The Flood Warning is cancelled for
  the Swannanoa River At Biltmore.
* At 5:00 AM EDT Friday the stage was 7.9 feet and falling steadily.
* Minor Flood Stage is 10.0 feet.
* Forecast...The river is expected to fall to 2.4 feet early 
  Wednesday morning.

&&


               Fld   Observed           Forecasts (8 am EDT)     
Location       Stg   Stg   Day/Time     Sat   Sun   Mon          

Swannanoa River
Biltmore       10.0  7.9   Fri 5 am EDT 2.7   2.5   2.4          





&&

LAT...LON 3555 8255 3563 8255 3563 8245 3558 8244

$$

JMP

The office that day

Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 25, 9:20 PM EDTAreal Flood WarningGSPMacon9 hr
Mar 25, 9:48 PM EDTAreal Flood WarningGSPHenderson, Transylvania14 hr
Mar 25, 10:18 PM EDTRiver Flood WarningGSPBuncombe, Henderson59 hr
Mar 25, 10:24 PM EDTAreal Flood AdvisoryGSPHaywood, Jackson8 hr
Mar 25, 10:29 PM EDTRiver Flood AdvisoryGSPMadison3 hr
Mar 25, 10:45 PM EDTAreal Flood AdvisoryGSPBuncombe, McDowell6 hr
Mar 25, 10:50 PM EDTRiver Flood AdvisoryGSPBuncombe64 hr
Mar 25, 11:42 PM EDTSpecial Weather StatementGSPCleveland, Gaston, Lincoln48 min
Mar 26, 12:27 AM EDTRiver Flood AdvisoryGSPSwain11 hr
Mar 26, 1:13 AM EDTAreal Flood AdvisoryGSPGraham, Swain5 hr
Mar 26, 1:45 AM EDTRiver Flood WarningGSPMadison13 hr
Mar 26, 2:23 AM EDTSpecial Weather StatementGSPCatawba, Cleveland, Lincoln, Polk, Rutherford37 min
Mar 26, 2:50 AM EDTAreal Flood AdvisoryGSPPolk, Rutherford14 hr
Mar 26, 2:55 AM EDTRiver Flood WarningGSPGaston51 hr
Mar 26, 2:57 AM EDTSpecial Weather StatementGSPCatawba, Iredell, Lincoln33 min
Mar 26, 3:00 AM EDTSpecial Weather StatementGSPCleveland30 min
Mar 26, 3:05 AM EDTRiver Flood AdvisoryGSPMadison8 hr
Mar 26, 3:21 AM EDTRiver Flood WarningGSPCleveland27 hr
Mar 26, 3:28 AM EDTSpecial Weather StatementGSPCleveland, Gaston, Lincoln32 min
Mar 26, 3:52 AM EDTAreal Flood AdvisoryGSPCabarrus25 hr
Mar 26, 3:56 AM EDTSpecial Weather StatementGSPCabarrus, Gaston, Rowan34 min
Mar 26, 4:12 AM EDTAreal Flood AdvisoryGSPCabarrus, Iredell, Mecklenburg, Rowan12 hr
Mar 26, 4:49 AM EDTAreal Flood AdvisoryGSPMacon, Swain24 hr
Mar 26, 8:50 AM EDTAreal Flood AdvisoryGSPAlexander, Catawba, Iredell21 hr
Mar 26, 3:49 PM EDTAreal Flood WarningGSPRowan9 hr

Nearby

River Flood Warnings in North Carolina, 2021Every river 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; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.