Alert archive / Virginia / Flash Flood Warnings in 2021
Flash Flood Warning 23, NWS Blacksburg, VA
NWS Blacksburg, VA issued this flash flood warning at Jul 24, 2021, 9:14 PM EDT for Buckingham County, 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
- Jul 24, 2021, 9:14 PM EDT (01:14 UTC)
- Expired
- Jul 25, 2021, 1:15 AM EDT
- In force
- 4 hr
- Issued by
- NWS Blacksburg, VA
- Area
- Storm-based polygon
- Flood severity
- None
County Buckingham County, VA
The radar
The Roanoke radar (KFCX), 153 km from the middle of the area, began a volume at 01:15 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, 1.2 hours before the alert went out and 84 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
- 565 J/kg
- Mixed-layer CIN
- -23 J/kg
- Mixed-layer LCL
- 974 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 32 m²/s²
- 0-3 km storm-relative helicity
- 60 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 2.7
The text
As transmitted.
502
WGUS51 KRNK 250114
FFWRNK
VAC029-250315-
/O.NEW.KRNK.FF.W.0023.210725T0114Z-210725T0315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Blacksburg VA
914 PM EDT Sat Jul 24 2021
The National Weather Service in Blacksburg has issued a
* Flash Flood Warning for...
West Central Buckingham County in central Virginia...
* Until 1115 PM EDT.
* At 914 PM EDT, Doppler radar indicated thunderstorms producing
heavy rain in Wingina. Between 3 and 6 inches of rain have fallen.
Additional rainfall amounts of 1 to 3 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...
Wingina...
This includes the following streams and drainages...
James River, North River, Sycamore Creek, Sawmill Creek, Little
Creek, Kidd Creek, Dolittle Creek and Little Sycamore Creek.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Move to higher ground now. Act quickly to protect your life.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
&&
LAT...LON 3765 7872 3767 7870 3757 7866 3757 7867
3758 7873 3761 7875 3764 7877 3763 7873
3764 7872 3764 7870
FLASH FLOOD...RADAR INDICATED
$$
RAB2 follow-up statements
311
WGUS71 KRNK 250234
FFSRNK
Flash Flood Statement
National Weather Service Blacksburg VA
1034 PM EDT Sat Jul 24 2021
VAC029-250315-
/O.CON.KRNK.FF.W.0023.000000T0000Z-210725T0315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Buckingham VA-
1034 PM EDT Sat Jul 24 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1115 PM EDT THIS
EVENING FOR WEST CENTRAL BUCKINGHAM COUNTY...
At 1034 PM EDT, An area of thunderstorms has persisted for the last
three hours in the general area between Centenary and Wingina
producing excessive amounts of rainfall between 3 and 7 inches.
These amounts of rainfall in such period of time will result in
serious flash flooding of normally flood prone and low-lying areas.
Flooding of streets and highways is also likely. Small creeks and
streams will experience sharp rises in areas where this rainfall has
occurred. Flash flooding is imminent. If you are in a flash flood
prone area, move to higher ground immediately.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.
Some locations that will experience flash flooding include...
Wingina...
Northwest and North Central Buckingham County.
This includes the following streams and drainages...
James River, North River, Sycamore Creek, Sawmill Creek, Little
Creek, Kidd Creek, Dolittle Creek and Little Sycamore Creek.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Move to higher ground now. Act quickly to protect your life.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
&&
LAT...LON 3765 7872 3767 7870 3757 7866 3757 7867
3758 7873 3761 7875 3764 7877 3763 7873
3764 7872 3764 7870
FLASH FLOOD...RADAR INDICATED
$$
RAB164
WGUS51 KRNK 250309
FFWRNK
VAC029-250515-
/O.EXT.KRNK.FF.W.0023.000000T0000Z-210725T0515Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Blacksburg VA
1109 PM EDT Sat Jul 24 2021
The National Weather Service in Blacksburg has extended the
* Flash Flood Warning for...
West Central Buckingham County in central Virginia...
* Until 115 AM EDT.
* At 1109 PM EDT, Flash flooding is ongoing in northwestern
Buckingham county. Emergency management reported thunderstorms
producing heavy rain in between Wingina and Centenary. Between 3
and 8 inches of rain have fallen. Additional rainfall amounts of 1
to 1.5 inches are possible in the warned area. Flash flooding is
already occurring. Sycamore Creek Road has been washed out and
with a landslide at Woodlawn Church Road. Sycamore Creek is out
of its banks.
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...
Wingina...
Northwest and North Central Buckingham County.
This includes the following streams and drainages...
James River, North River, Sycamore Creek, Sawmill Creek, Little
Creek, Kidd Creek, Dolittle Creek and Little Sycamore Creek.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Move to higher ground now. Act quickly to protect your life.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
&&
LAT...LON 3765 7872 3767 7870 3757 7866 3757 7867
3758 7873 3761 7875 3764 7877 3763 7873
3764 7872 3764 7870
FLASH FLOOD...RADAR INDICATED
$$
RABThe office that day
Everything else NWS Blacksburg, VA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 25, 5:36 PM EDT | Special Weather Statement | RNK | Bedford | 24 min |
| Jul 25, 6:33 PM EDT | Special Weather Statement | RNK | Amherst | 27 min |
| Jul 25, 6:44 PM EDT | Severe Thunderstorm Warning | RNK | Amherst, Appomattox, Campbell | 61 min |
| Jul 25, 7:09 PM EDT | Areal Flood Advisory | RNK | Amherst | 2 hr |
| Jul 25, 7:12 PM EDT | Special Weather Statement | RNK | Buckingham | 48 min |
| Jul 25, 7:45 PM EDT | Special Weather Statement | RNK | City of Lynchburg | 30 min |
| Jul 25, 7:57 PM EDT | Severe Thunderstorm Warning | RNK | Amherst, Appomattox, Campbell | 28 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.