Alert archive / Virginia / Flash Flood Warnings in 2021
Flash Flood Warning 13, NWS Blacksburg, VA
NWS Blacksburg, VA issued this flash flood warning at Jul 1, 2021, 7:24 PM EDT for Franklin County, Virginia. It was in force for 2 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
- Jul 1, 2021, 7:24 PM EDT (23:24 UTC)
- Expired
- Jul 1, 2021, 9:30 PM EDT
- In force
- 2 hr
- Issued by
- NWS Blacksburg, VA
- Area
- Storm-based polygon
- Flood severity
- None
County Franklin County, VA
The radar
The Roanoke radar (KFCX), 49 km from the middle of the area, began a volume at 23:24 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.
The nearest sounding before it
Roanoke, VA (KRNK), launched 12:00Z, 11.4 hours before the alert went out and 28 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
- 312 J/kg
- Mixed-layer CIN
- -59 J/kg
- Mixed-layer LCL
- 989 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 11 m²/s²
- 0-3 km storm-relative helicity
- 23 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
131
WGUS51 KRNK 012324
FFWRNK
VAC067-020130-
/O.NEW.KRNK.FF.W.0013.210701T2324Z-210702T0130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Blacksburg VA
724 PM EDT Thu Jul 1 2021
The National Weather Service in Blacksburg has issued a
* Flash Flood Warning for...
Southeastern Franklin County in west central Virginia...
* Until 930 PM EDT.
* At 724 PM EDT, Doppler radar indicated thunderstorms producing
heavy rain in Rocky Mount. Between 1.5 and 2.5 inches of rain have
fallen. Additional rainfall amounts of 1 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...
Rocky Mount, Penhook, Western Smith Mountain Lake, Sontag, Union
Hall, Southern Smith Mountain Lake and Westlake Corner.
This includes the following streams and drainages...
Doe Run, Furnace Creek, Blackwater River, Big Chestnut Creek,
Coles Creek, Dillons Mill Branch, Dinner Creek, Gills Creek and
Little Chestnut Creek.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
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 3701 7997 3711 7977 3709 7962 3708 7961
3708 7962 3707 7962 3707 7961 3699 7961
3693 7970 3688 7988
FLASH FLOOD...RADAR INDICATED
$$
PW2 follow-up statements
761
WGUS71 KRNK 020043
FFSRNK
Flash Flood Statement
National Weather Service Blacksburg VA
843 PM EDT Thu Jul 1 2021
VAC067-020130-
/O.CON.KRNK.FF.W.0013.000000T0000Z-210702T0130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Franklin VA-
843 PM EDT Thu Jul 1 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 930 PM EDT THIS
EVENING FOR SOUTHEASTERN FRANKLIN COUNTY...
At 843 PM EDT, Doppler radar indicated thunderstorms producing heavy
rain in Rocky Mount. Between 2 and 3 inches of rain have fallen.
Additional rainfall amounts of 0.5 to 1 inch are possible in the
warned area. Flash flooding is ongoing or expected to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.
Some locations that will experience flash flooding include...
Rocky Mount, Penhook, Western Smith Mountain Lake, Sontag, Union
Hall, Southern Smith Mountain Lake and Westlake Corner.
This includes the following streams and drainages...
Doe Run, Furnace Creek, Blackwater River, Big Chestnut Creek,
Coles Creek, Dillons Mill Branch, Dinner Creek, Gills Creek and
Little Chestnut Creek.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
When it is safe to do so, please send your reports of flooding,
including mudslides or flooded roads, to the National Weather
Service by calling toll free at 1...8 6 6...2 1 5...4 3 2 4. Reports
and pictures can also be shared on the National Weather Service
Blacksburg Facebook page and on Twitter.
&&
LAT...LON 3701 7997 3711 7977 3709 7962 3708 7961
3708 7962 3707 7962 3707 7961 3699 7961
3693 7970 3688 7988
FLASH FLOOD...RADAR INDICATED
$$
PW681
WGUS71 KRNK 020130
FFSRNK
Flash Flood Statement
National Weather Service Blacksburg VA
930 PM EDT Thu Jul 1 2021
VAC067-020140-
/O.EXP.KRNK.FF.W.0013.000000T0000Z-210702T0130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Franklin VA-
930 PM EDT Thu Jul 1 2021
...FLASH FLOOD WARNING WILL EXPIRE AT 930 PM EDT THIS EVENING FOR
SOUTHEASTERN FRANKLIN COUNTY...
The heavy rain has ended. Flooding is no longer expected to pose a
threat. Please continue to heed remaining road closures.
LAT...LON 3701 7997 3711 7977 3709 7962 3708 7961
3708 7962 3707 7962 3707 7961 3699 7961
3693 7970 3688 7988
$$
ASThe office that day
Everything else NWS Blacksburg, VA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 30, 8:41 PM EDT | Special Weather Statement | RNK | City of Buena Vista | 34 min |
| Jun 30, 9:32 PM EDT | Special Weather Statement | RNK | Bedford | 28 min |
| Jul 1, 10:00 AM EDT | Flash Flood Watch | RNK | Alleghany, Bath, Bland, Botetourt, Carroll, Craig and 17 more | 21 hr |
| Jul 1, 11:58 AM EDT | Special Weather Statement | RNK | Bath | 32 min |
| Jul 1, 12:36 PM EDT | Areal Flood Advisory | RNK | Carroll, Grayson, Patrick | 97 min |
| Jul 1, 1:43 PM EDT | Special Weather Statement | RNK | Floyd | 32 min |
| Jul 1, 2:11 PM EDT | Special Weather Statement | RNK | Franklin | 34 min |
| Jul 1, 2:39 PM EDT | Special Weather Statement | RNK | Appomattox | 36 min |
| Jul 1, 2:46 PM EDT | Special Weather Statement | RNK | Bedford | 29 min |
| Jul 1, 2:48 PM EDT | Special Weather Statement | RNK | Montgomery, Roanoke | 27 min |
| Jul 1, 3:08 PM EDT | Special Weather Statement | RNK | Buckingham | 37 min |
| Jul 1, 3:29 PM EDT | Special Weather Statement | RNK | Appomattox | 31 min |
| Jul 1, 3:45 PM EDT | Flash Flood Warning | RNK | Montgomery | 6 hr |
| Jul 1, 3:48 PM EDT | Special Weather Statement | RNK | Charlotte | 42 min |
| Jul 1, 4:13 PM EDT | Special Weather Statement | RNK | Pittsylvania | 47 min |
| Jul 1, 4:39 PM EDT | Special Weather Statement | RNK | Charlotte | 21 min |
| Jul 1, 4:46 PM EDT | Special Weather Statement | RNK | Craig | 44 min |
| Jul 1, 4:48 PM EDT | Special Weather Statement | RNK | Smyth | 42 min |
| Jul 1, 5:06 PM EDT | Special Weather Statement | RNK | Charlotte | 39 min |
| Jul 1, 5:10 PM EDT | Special Weather Statement | RNK | Franklin | 35 min |
| Jul 1, 5:29 PM EDT | Areal Flood Advisory | RNK | Bland, Carroll, Grayson, Pulaski, Smyth, Wythe | 3 hr |
| Jul 1, 5:47 PM EDT | Areal Flood Advisory | RNK | Campbell, Charlotte, Halifax | 6 hr |
| Jul 1, 5:57 PM EDT | Special Weather Statement | RNK | Franklin | 33 min |
| Jul 1, 6:09 PM EDT | Special Weather Statement | RNK | Pittsylvania | 36 min |
| Jul 1, 6:21 PM EDT | Areal Flood Advisory | RNK | Franklin | 63 min |
| Jul 1, 6:48 PM EDT | Special Weather Statement | RNK | Halifax | 42 min |
Nearby
Flash Flood Warnings in Virginia, 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.