Alert archive / Virginia / Flash Flood Warnings in 2021

Flash Flood Warning 2, NWS Blacksburg, VA

June 7, 20214 counties in Virginia; Greenbrier County, Monroe County, Summers County, West Virginia

NWS Blacksburg, VA issued this flash flood warning at Jun 7, 2021, 8:04 PM EDT for 4 counties in Virginia; Greenbrier County, Monroe County, Summers County, West Virginia. It was in force for 4 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: Jun 7, 2021, 8:04 PM EDT (00:04 UTC)
Expired: Jun 7, 2021, 11:53 PM EDT
In force: 4 hr
Issued by: NWS Blacksburg, VA
Area: Storm-based polygon
Flood severity: None

Counties Alleghany County, VA, Bath County, VA, City of Covington, VA, Craig County, VA, Greenbrier County, WV, Monroe County, WV, Summers County, WV

The radar

The Roanoke radar (KFCX), 112 km from the middle of the area, began a volume at 00:07 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

Roanoke, VA (KRNK), launched 00:00Z, 0.1 hours before the alert went out and 126 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 418 J/kg
Mixed-layer CIN: -7 J/kg
Mixed-layer LCL: 1132 m above ground
0-6 km bulk shear: 11 kt
0-1 km storm-relative helicity: -15 m²/s²
0-3 km storm-relative helicity: -22 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

022 
WGUS51 KRNK 080004
FFWRNK
VAC005-017-045-580-WVC025-063-089-080615-
/O.NEW.KRNK.FF.W.0002.210608T0004Z-210608T0615Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Blacksburg VA
804 PM EDT Mon Jun 7 2021

The National Weather Service in Blacksburg has issued a

* Flash Flood Warning for...
  Central Craig County in southwestern Virginia...
  Alleghany VA County in west central Virginia...
  Bath County in west central Virginia...
  The City of Covington in west central Virginia...
  Greenbrier County in southeastern West Virginia...
  Northeastern Monroe County in southeastern West Virginia...
  Northeastern Summers County in southeastern West Virginia...

* Until 215 AM EDT Tuesday.

* At 804 PM EDT, Doppler radar and automated rain gauges indicated 
  thunderstorms producing heavy rain across the warned area. Between 
  1 and 3 inches of rain have fallen. Flash flooding is ongoing or 
  expected to begin shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Doppler radar and automated gauges.

  IMPACT...Flooding of small creeks and streams, urban areas,
           highways, streets and underpasses as well as other
           drainage and low lying areas.

* Some locations that will experience flash flooding include...
  Alleghany, Covington, Lewisburg, White Sulphur Springs, 
  Ronceverte, Rainelle and Alderson.

This includes the following locations...
	The West Virginia State Fairgrounds.

This includes the following streams and drainages...
  Barbours Creek, Back Creek, Anthony Creek and Beaver Creek.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Excessive runoff from heavy rainfall will cause flooding of small 
creeks and streams, urban areas, highways, streets and underpasses 
as well as other drainage areas and low lying spots.

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 3786 8075 3795 8081 3799 8077 3803 8083
      3806 8080 3808 8089 3810 8088 3808 8070
      3827 8044 3822 8036 3811 8036 3804 8020
      3806 7995 3818 7992 3827 7980 3818 7951
      3740 8031 3776 8090 3782 8094

FLASH FLOOD...RADAR AND GAUGE INDICATED
EXPECTED RAINFALL...2 INCHES IN 2 HOURS 

$$

AS

3 follow-up statements

179 
WGUS71 KRNK 080045
FFSRNK

Flash Flood Statement
National Weather Service Blacksburg VA
845 PM EDT Mon Jun 7 2021

VAC005-017-045-580-WVC025-063-089-080615-
/O.CON.KRNK.FF.W.0002.000000T0000Z-210608T0615Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Alleghany VA VA-Bath VA-Craig VA-City of Covington VA-Greenbrier WV-
Monroe WV-Summers WV-
845 PM EDT Mon Jun 7 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 215 AM EDT TUESDAY 
FOR CENTRAL CRAIG, ALLEGHANY VA, BATH, GREENBRIER, NORTHEASTERN 
MONROE AND NORTHEASTERN SUMMERS COUNTIES AND THE CITY OF COVINGTON...

At 845 PM EDT, Doppler radar and automated rain gauges indicated 
thunderstorms producing heavy rain across the warned area. Between 1 
and 3 inches of rain have fallen. Flash flooding is ongoing or 
expected to begin shortly.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Doppler radar and automated gauges.

IMPACT...Flooding of small creeks and streams, urban areas,
         highways, streets and underpasses as well as other
         drainage and low lying areas.

Some locations that will experience flash flooding include...
  Alleghany, Covington, Lewisburg, White Sulphur Springs, 
  Ronceverte, Rainelle and Alderson.

This includes the following locations...
	The West Virginia State Fairgrounds.

This includes the following streams and drainages...
  Barbours Creek, Back Creek, Anthony Creek and Beaver Creek.

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.

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 3786 8075 3795 8081 3799 8077 3803 8083
      3806 8080 3808 8089 3810 8088 3808 8070
      3827 8044 3822 8036 3811 8036 3804 8020
      3806 7995 3818 7992 3827 7980 3818 7951
      3740 8031 3776 8090 3782 8094

FLASH FLOOD...RADAR AND GAUGE INDICATED
EXPECTED RAINFALL...2 INCHES IN 2 HOURS 

$$

AS

110 
WGUS71 KRNK 080240
FFSRNK

Flash Flood Statement
National Weather Service Blacksburg VA
1040 PM EDT Mon Jun 7 2021

VAC005-017-045-580-WVC025-063-089-080615-
/O.CON.KRNK.FF.W.0002.000000T0000Z-210608T0615Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Alleghany VA VA-Bath VA-Craig VA-City of Covington VA-Greenbrier WV-
Monroe WV-Summers WV-
1040 PM EDT Mon Jun 7 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 215 AM EDT TUESDAY 
FOR CENTRAL CRAIG, ALLEGHANY VA, BATH, GREENBRIER, NORTHEASTERN 
MONROE AND NORTHEASTERN SUMMERS COUNTIES AND THE CITY OF COVINGTON...

At 1040 PM EDT, Automated rain gauges indicated thunderstorms 
produced heavy rain across the warned area. Between 2 and 4 inches 
of rain have fallen. Flash flooding is ongoing or expected to begin 
shortly.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Doppler radar and automated gauges.

IMPACT...Flooding of small creeks and streams, urban areas,
         highways, streets and underpasses as well as other
         drainage and low lying areas.

Some locations that will experience flash flooding include...
  Alleghany, Covington, Lewisburg, White Sulphur Springs, 
  Ronceverte, Rainelle and Alderson.

This includes the following locations...
	The West Virginia State Fairgrounds.

This includes the following streams and drainages...
  Barbours Creek, Back Creek, Anthony Creek and Beaver Creek.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Excessive runoff from heavy rainfall will cause flooding of small 
creeks and streams, country roads, farmland, and other low lying 
spots.

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 3786 8075 3795 8081 3799 8077 3803 8083
      3806 8080 3808 8089 3810 8088 3808 8070
      3827 8044 3822 8036 3811 8036 3804 8020
      3806 7995 3818 7992 3827 7980 3818 7951
      3740 8031 3776 8090 3782 8094

FLASH FLOOD...RADAR AND GAUGE INDICATED
EXPECTED RAINFALL...0.25 INCHES IN 2 HOURS 

$$

AS

210 
WGUS71 KRNK 080353
FFSRNK

Flash Flood Statement
National Weather Service Blacksburg VA
1153 PM EDT Mon Jun 7 2021

VAC005-017-045-580-WVC025-063-089-080403-
/O.CAN.KRNK.FF.W.0002.000000T0000Z-210608T0615Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Alleghany VA VA-Bath VA-Craig VA-City of Covington VA-Greenbrier WV-
Monroe WV-Summers WV-
1153 PM EDT Mon Jun 7 2021

...FLASH FLOOD WARNING IS CANCELLED FOR CENTRAL CRAIG, ALLEGHANY VA, 
BATH, GREENBRIER, NORTHEASTERN MONROE AND NORTHEASTERN SUMMERS 
COUNTIES AND THE CITY OF COVINGTON...

County dispatch and stream gages indicated no flooding, and heavy 
rain ended earlier, so the flash flood threat is over.

LAT...LON 3786 8075 3795 8081 3799 8077 3803 8083
      3806 8080 3808 8089 3810 8088 3808 8070
      3827 8044 3822 8036 3811 8036 3804 8020
      3806 7995 3818 7992 3827 7980 3818 7951
      3740 8031 3776 8090 3782 8094

$$

WP

The office that day

Everything else NWS Blacksburg, VA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 7, 9:09 PM EDT	Special Weather Statement	RNK	Campbell	36 min
Jun 8, 1:01 PM EDT	Special Weather Statement	RNK	Bedford, Botetourt, Franklin	44 min
Jun 8, 1:52 PM EDT	Special Weather Statement	RNK	Amherst, Bedford, Campbell, City of Lynchburg	38 min
Jun 8, 2:11 PM EDT	Special Weather Statement	RNK	Grayson	34 min
Jun 8, 2:29 PM EDT	Special Weather Statement	RNK	City of Lynchburg	46 min
Jun 8, 2:38 PM EDT	Special Weather Statement	RNK	Franklin	37 min
Jun 8, 3:09 PM EDT	Special Weather Statement	RNK	Grayson	36 min
Jun 8, 3:35 PM EDT	Areal Flood Advisory	RNK	Grayson	115 min
Jun 8, 4:00 PM EDT	Special Weather Statement	RNK	Bedford	45 min
Jun 8, 4:11 PM EDT	Special Weather Statement	RNK	Pulaski, City of Radford	34 min
Jun 8, 4:41 PM EDT	Special Weather Statement	RNK	Montgomery	34 min
Jun 8, 5:01 PM EDT	Special Weather Statement	RNK	Roanoke, City of Roanoke, City of Salem	44 min
Jun 8, 5:08 PM EDT	Severe Thunderstorm Warning	RNK	Montgomery, Roanoke, City of Roanoke, City of Salem	52 min
Jun 8, 5:41 PM EDT	Areal Flood Warning	RNK	Montgomery, Roanoke, City of Salem	3 min
Jun 8, 5:44 PM EDT	Flash Flood Warning	RNK	Montgomery, Roanoke, City of Salem	112 min
Jun 8, 6:08 PM EDT	Special Weather Statement	RNK	Botetourt	37 min

Nearby

Flash Flood Warnings in Virginia, 2021 Flash Flood Warnings in West Virginia, 2021 Every 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.