Flash Flood Warning 31, NWS Blacksburg, VA

Issued

Aug 18, 2021, 2:10 AM EDT (06:10 UTC)

Expired

Aug 18, 2021, 7:26 AM EDT

In force

5 hr

Issued by

NWS Blacksburg, VA

Area

Storm-based polygon

Flood severity

None

Counties Alleghany County, NC, Surry County, NC, Carroll County, VA, Grayson County, VA

The Roanoke radar (KFCX), 72 km from the middle of the area, began a volume at 06:09 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.

174 
WGUS51 KRNK 180610
FFWRNK
NCC005-171-VAC035-077-181215-
/O.NEW.KRNK.FF.W.0031.210818T0610Z-210818T1215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Blacksburg VA
210 AM EDT Wed Aug 18 2021

The National Weather Service in Blacksburg has issued a

* Flash Flood Warning for...
  Northeastern Alleghany NC County in northwestern North Carolina...
  Western Surry County in northwestern North Carolina...
  Southeastern Carroll County in southwestern Virginia...
  Southeastern Grayson County in southwestern Virginia...

* Until 815 AM EDT Wednesday.

* At 210 AM EDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 2.5 and 3.5 inches of 
  rain have fallen. Additional rainfall amounts up to 0.5 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...
  Hillsville...                      Bottom...
  Cana...                            Fancy Gap...
  Mountain Park...                   Lambsburg...
  Pipers Gap...

This includes the following streams and drainages...
  Brushy Fork, Cody Creek, Christian Creek, Big Reed Island Creek, 
  Burks Fork, Brannon Branch, Chestnut Creek, Beaverdam Creek and 
  Big Pine Creek.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

When it is safe to do so, please send your reports of flooding, 
including mudslides or flooded roads, to the National Weather 
Service by calling toll free at 1...8 6 6...2 1 5...4 3 2 4. Reports 
and pictures can also be shared on the National Weather Service 
Blacksburg Facebook page and on Twitter.

&&

LAT...LON 3656 8094 3659 8094 3679 8081 3681 8056
      3629 8078 3640 8095

FLASH FLOOD...RADAR INDICATED

$$

16

237 
WGUS71 KRNK 180956
FFSRNK

Flash Flood Statement
National Weather Service Blacksburg VA
556 AM EDT Wed Aug 18 2021

NCC005-171-VAC035-077-181215-
/O.CON.KRNK.FF.W.0031.000000T0000Z-210818T1215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Alleghany NC NC-Surry NC-Carroll VA-Grayson VA-
556 AM EDT Wed Aug 18 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 815 AM EDT THIS 
MORNING FOR NORTHEASTERN ALLEGHANY NC, WESTERN SURRY, SOUTHEASTERN 
CARROLL AND SOUTHEASTERN GRAYSON COUNTIES...

At 556 AM EDT, Doppler radar indicated light to occasionally 
moderate rainfall across the warned area. However, between 2.5 and 
3.5 inches of rain fell earlier in the night. Runoff from this rain 
will continue to collect in area rivers and streams, with some 
rising out of their banks, resulting in localized flooding.

HAZARD...Flash flooding caused by heavy rain.

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...
Hillsville...                      Bottom...
Cana...                            Fancy Gap...
Mountain Park...                   Lambsburg...
Pipers Gap...

This includes the following streams and drainages...
  Brushy Fork, Cody Creek, Christian Creek, Big Reed Island Creek, 
  Burks Fork, Brannon Branch, Chestnut Creek, Beaverdam Creek and 
  Big Pine Creek.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

When it is safe to do so, please send your reports of flooding, 
including mudslides or flooded roads, to the National Weather 
Service by calling toll free at 1...8 6 6...2 1 5...4 3 2 4. Reports 
and pictures can also be shared on the National Weather Service 
Blacksburg Facebook page and on Twitter.

&&

LAT...LON 3656 8094 3659 8094 3679 8081 3681 8056
      3629 8078 3640 8095

FLASH FLOOD...RADAR INDICATED

$$

16

816 
WGUS71 KRNK 181126
FFSRNK

Flash Flood Statement
National Weather Service Blacksburg VA
726 AM EDT Wed Aug 18 2021

NCC005-171-VAC035-077-181136-
/O.CAN.KRNK.FF.W.0031.000000T0000Z-210818T1215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Alleghany NC NC-Surry NC-Carroll VA-Grayson VA-
726 AM EDT Wed Aug 18 2021

...FLASH FLOOD WARNING IS CANCELLED FOR NORTHEASTERN ALLEGHANY NC, 
WESTERN SURRY, SOUTHEASTERN CARROLL AND SOUTHEASTERN GRAYSON 
COUNTIES...

Flood waters have receded. The heavy rain has ended. Flooding is no 
longer expected to pose a threat. Please continue to heed remaining 
road closures.

LAT...LON 3656 8094 3659 8094 3679 8081 3681 8056
      3629 8078 3640 8095

$$

16

Flash Flood Warnings in Virginia, 2021Flash 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.