Flash Flood Warning 36, NWS Greenville-Spartanburg, SC

Issued

Aug 17, 2021, 10:21 PM EDT (02:21 UTC)

Expired

Aug 18, 2021, 1:23 AM EDT

In force

3 hr

Issued by

NWS Greenville-Spartanburg, SC

Area

Storm-based polygon

Flood severity

None

County Catawba County, NC

The Greer radar (KGSP), 128 km from the middle of the area, began a volume at 02:24 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.

319 
WGUS52 KGSP 180221
FFWGSP
NCC035-180815-
/O.NEW.KGSP.FF.W.0036.210818T0221Z-210818T0815Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Greenville-Spartanburg SC
1021 PM EDT Tue Aug 17 2021

The National Weather Service in Greenville-Spartanburg has issued a

* Flash Flood Warning for...
  Western Catawba County in the piedmont of North Carolina...

* Until 415 AM EDT.

* At 1021 PM EDT, Extremely intense rainfall from a band of 
  thunderstorms has just moved through western Catawba County, 
  including over the Hickory metro area.  These storms quickly 
  produced 1-3 inches of rainfall in about 60 minutes.  The 
  intensity of these storms over such a short period of time may 
  cause areas of flash flooding, especially in the Hickory to 
  Conover area over the next 1-2 hours.  Please avoid low-lying 
  areas adjacent to streams, low-water crossings, and all flooded 
  roadways.

  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 may experience flash flooding include...
  Hickory, Newton, St. Stephens, Conover, Longview, Claremont, 
  Mountain View, Lake Hickory, Lookout Shoals Lake, Startown, 
  Propst, Northlakes, Oxford and Cooksville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

&&

LAT...LON 3577 8110 3565 8125 3556 8130 3557 8153
      3561 8151 3569 8142 3577 8136 3577 8135
      3578 8136 3579 8134 3580 8127 3582 8125
      3581 8122 3582 8120 3583 8114 3579 8113

FLASH FLOOD...RADAR INDICATED

$$

JMP

274 
WGUS72 KGSP 180523
FFSGSP

Flash Flood Statement
National Weather Service Greenville-Spartanburg SC
123 AM EDT Wed Aug 18 2021

NCC035-180533-
/O.CAN.KGSP.FF.W.0036.000000T0000Z-210818T0815Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Catawba NC-
123 AM EDT Wed Aug 18 2021

...FLASH FLOOD WARNING IS CANCELLED FOR WESTERN CATAWBA COUNTY...

The heavy rain has ended across Catawba County, including the 
Hickory metro area.  Small streams across the area have crested and
receded below critical levels.  However, additional rises along the 
Catawba River are likely overnight into Wednesday afternoon and new 
areas of river and reservoir flooding may develop.  Residents along 
or downstream of Catawba River lakes should pay close attention to 
lake levels through Wednesday.  Please continue to heed all 
barricades which remain in place to ensure roadway safety.

LAT...LON 3577 8110 3565 8125 3556 8130 3557 8153
      3561 8151 3569 8142 3577 8136 3577 8135
      3578 8136 3579 8134 3580 8127 3582 8125
      3581 8122 3582 8120 3583 8114 3579 8113

$$

JMP

Flash Flood Warnings in North Carolina, 2021Every flash flood warning in 2021

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.