Alert archive / North Carolina / Flash Flood Warnings in 2021
Flash Flood Warning 6, NWS Blacksburg, VA
NWS Blacksburg, VA issued this flash flood warning at Jun 11, 2021, 2:12 PM EDT for Caswell County, North Carolina. It was in force for 112 min. 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 11, 2021, 2:12 PM EDT (18:12 UTC)
- Expired
- Jun 11, 2021, 4:04 PM EDT
- In force
- 112 min
- Issued by
- NWS Blacksburg, VA
- Area
- Storm-based polygon
- Flood severity
- None
County Caswell County, NC
The radar
The Roanoke radar (KFCX), 109 km from the middle of the area, began a volume at 18:15 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
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 6.2 hours before the alert went out and 57 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
- 329 J/kg
- Mixed-layer CIN
- -57 J/kg
- Mixed-layer LCL
- 871 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 53 m²/s²
- 0-3 km storm-relative helicity
- 71 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
285
WGUS51 KRNK 111812
FFWRNK
NCC033-112115-
/O.NEW.KRNK.FF.W.0006.210611T1812Z-210611T2115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Blacksburg VA
212 PM EDT Fri Jun 11 2021
The National Weather Service in Blacksburg has issued a
* Flash Flood Warning for...
Caswell County in north central North Carolina...
* Until 515 PM EDT.
* At 212 PM EDT, Doppler radar indicated thunderstorms producing
heavy rain across western and central Caswell county, with a new
area of thunderstorms and heavy rainfall moving into the southern
and southeastern part of the county. Areas around Quick, Pelham,
and Yanceyville have received between 1.5 and 2 inches of rain
have fallen. Flash flooding is ongoing or expected to begin
shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Doppler radar.
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...
Yanceyville, Bethel, Providence, Jericho, Prospect Hill, Camp
Springs and Milton.
This includes the following streams and drainages...
Cane Creek, Burkes Creek, Benton Branch and Country Line Creek.
Additional rainfall amounts of 1 to 2 inches are possible in the
warned area.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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.
A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.
&&
LAT...LON 3625 7953 3654 7951 3654 7914 3624 7915
FLASH FLOOD...RADAR INDICATED
$$
RAB2 follow-up statements
380
WGUS71 KRNK 111908
FFSRNK
Flash Flood Statement
National Weather Service Blacksburg VA
308 PM EDT Fri Jun 11 2021
NCC033-112115-
/O.CON.KRNK.FF.W.0006.000000T0000Z-210611T2115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Caswell NC-
308 PM EDT Fri Jun 11 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 515 PM EDT THIS
AFTERNOON FOR CASWELL COUNTY...
At 308 PM EDT, Doppler radar indicated that rainfall has decreased
across Caswell County during the past hour. Several locations in the
county saw from 1.5 to 2.0 inches of rainfall during the past couple
of hours. This is in addition to heavy rain which fell in many of
these same areas yesterday. Flash flooding is ongoing or expected to
begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Doppler radar.
IMPACT...Flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other
drainage and low lying areas.
Some locations that will experience flash flooding include...
Yanceyville, Bethel, Providence, Jericho, Prospect Hill, Camp
Springs and Milton.
This includes the following streams and drainages...
Cane Creek, Burkes Creek, Benton Branch and Country Line Creek.
Additional rainfall amounts of 1 to 2 inches are possible in the
warned area.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
When it is safe to do so, please send your reports of flooding,
including mudslides or flooded roads, to the National Weather
Service by calling toll free at 1...8 6 6...2 1 5...4 3 2 4. Reports
and pictures can also be shared on the National Weather Service
Blacksburg Facebook page and on Twitter.
A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.
&&
LAT...LON 3625 7953 3654 7951 3654 7914 3624 7915
FLASH FLOOD...RADAR INDICATED
$$
RAB086 WGUS71 KRNK 112004 FFSRNK Flash Flood Statement National Weather Service Blacksburg VA 404 PM EDT Fri Jun 11 2021 NCC033-112014- /O.CAN.KRNK.FF.W.0006.000000T0000Z-210611T2115Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Caswell NC- 404 PM EDT Fri Jun 11 2021 ...FLASH FLOOD WARNING IS CANCELLED FOR CASWELL COUNTY... 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 3625 7953 3654 7951 3654 7914 3624 7915 $$ RAB
The office that day
Everything else NWS Blacksburg, VA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 10, 8:12 PM EDT | Areal Flood Advisory | RNK | Caswell | 111 min |
| Jun 11, 12:56 PM EDT | Flash Flood Warning | RNK | Rockingham | 3 hr |
| Jun 11, 1:13 PM EDT | Areal Flood Advisory | RNK | Stokes, Surry, Yadkin | 3 hr |
| Jun 11, 1:24 PM EDT | Special Weather Statement | RNK | Caswell | 51 min |
| Jun 11, 1:35 PM EDT | Severe Thunderstorm Warning | RNK | Stokes, Surry, Yadkin | 55 min |
| Jun 11, 1:46 PM EDT | Severe Thunderstorm Warning | RNK | Caswell, Rockingham | 40 min |
| Jun 11, 1:52 PM EDT | Flash Flood Warning | RNK | Yadkin | 2 hr |
| Jun 11, 2:38 PM EDT | Special Weather Statement | RNK | Caswell | 37 min |
| Jun 11, 2:52 PM EDT | Flash Flood Warning | RNK | Stokes | 77 min |
| Jun 11, 4:47 PM EDT | Special Weather Statement | RNK | Yadkin | 43 min |
Nearby
Flash Flood Warnings in North Carolina, 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.