Alert archive / Virginia / Flash Flood Warnings in 2021
Flash Flood Warning 13, NWS Baltimore/Washington
NWS Baltimore/Washington issued this flash flood warning at Jun 10, 2021, 9:17 PM EDT for Madison County, Virginia. It was in force for 7 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 10, 2021, 9:17 PM EDT (01:17 UTC)
- Expired
- Jun 11, 2021, 4:11 AM EDT
- In force
- 7 hr
- Issued by
- NWS Baltimore/Washington
- Area
- Storm-based polygon
- Damage threat
- Considerable
- Flood severity
- None
County Madison County, VA
The radar
The Sterling radar (KLWX), 99 km from the middle of the area, began a volume at 01:16 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
Washington/Dulle, VA (KIAD), launched 00:00Z, 1.3 hours before the alert went out and 102 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
- 194 J/kg
- Mixed-layer CIN
- -40 J/kg
- Mixed-layer LCL
- 667 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- -9 m²/s²
- 0-3 km storm-relative helicity
- 28 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.1
The text
As transmitted.
976
WGUS51 KLWX 110117
FFWLWX
VAC113-110415-
/O.NEW.KLWX.FF.W.0013.210611T0117Z-210611T0415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Baltimore MD/Washington DC
917 PM EDT Thu Jun 10 2021
The National Weather Service in Sterling Virginia has issued a
* Flash Flood Warning for...
Madison County in northwestern Virginia...
* Until 1215 AM EDT.
* At 917 PM EDT, Doppler radar indicated thunderstorms producing
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...Life threatening flash flooding. Thunderstorms
producing flash flooding.
SOURCE...Doppler radar.
IMPACT...Life threatening flash flooding of creeks and streams,
urban areas, highways, streets and underpasses.
* Some locations that may experience flash flooding include...
Madison... Brightwood...
Aylor... Banco...
Criglersville... Haywood...
Syria... Graves Mill...
Pratts... Wolftown...
Etlan... Shelby...
Hood... Aroda...
Nethers... Rochelle...
Oakpark... Leon...
Fordsville...
Additional rainfall amounts of 1 to 2 inches are possible in the
warned area.
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.
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 3826 7827 3828 7830 3827 7832 3828 7835
3829 7835 3829 7836 3832 7836 3832 7838
3836 7843 3838 7842 3841 7844 3845 7844
3846 7845 3851 7843 3863 7834 3844 7812
3843 7813 3839 7809 3838 7811
FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
$$
BKF3 follow-up statements
500
WGUS51 KLWX 110401
FFWLWX
VAC113-110715-
/O.EXT.KLWX.FF.W.0013.000000T0000Z-210611T0715Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Baltimore MD/Washington DC
1201 AM EDT Fri Jun 11 2021
The National Weather Service in Sterling Virginia has extended the
* Flash Flood Warning for...
Madison County in northwestern Virginia...
* Until 315 AM EDT.
* At 1201 AM EDT, Doppler radar and automated rain gauges indicated
thunderstorms producing heavy rain across the warned area. Between
4 and 8 inches of rain have fallen. Flash flooding is ongoing and
expected to continue.
HAZARD...Life threatening flash flooding. Thunderstorms
producing flash flooding.
SOURCE...Doppler radar and automated gauges.
IMPACT...Life threatening flash flooding of creeks and streams,
urban areas, highways, streets and underpasses.
* Some locations that may experience flash flooding include...
Madison... Brightwood...
Aylor... Banco...
Criglersville... Haywood...
Syria... Graves Mill...
Pratts... Wolftown...
Etlan... Shelby...
Hood... Aroda...
Nethers... Rochelle...
Oakpark... Leon...
Fordsville...
Additional rainfall amounts of 2 to 3 inches are possible in the
warned area.
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.
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 3826 7827 3828 7830 3827 7832 3828 7835
3829 7835 3829 7836 3832 7836 3832 7838
3836 7843 3838 7842 3841 7844 3845 7844
3846 7845 3851 7843 3863 7834 3844 7812
3843 7813 3839 7809 3838 7811
FLASH FLOOD...RADAR AND GAUGE INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
$$
BRO038
WGUS51 KLWX 110658
FFWLWX
VAC113-111015-
/O.EXT.KLWX.FF.W.0013.000000T0000Z-210611T1015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Baltimore MD/Washington DC
258 AM EDT Fri Jun 11 2021
The National Weather Service in Sterling Virginia has extended the
* Flash Flood Warning for...
Madison County in northwestern Virginia...
* Until 615 AM EDT.
* At 258 AM EDT, Doppler radar and automated rain gauges indicated
thunderstorms producing heavy rain across the warned area. Between
3 and 6 inches of rain have fallen. Flash flooding is ongoing.
HAZARD...Life threatening flash flooding. Thunderstorms
producing flash flooding.
SOURCE...Doppler radar and automated gauges.
IMPACT...Life threatening flash flooding of creeks and streams,
urban areas, highways, streets and underpasses.
* Some locations that may experience flash flooding include...
Madison... Brightwood...
Aylor... Banco...
Criglersville... Haywood...
Syria... Graves Mill...
Pratts... Wolftown...
Etlan... Shelby...
Hood... Aroda...
Nethers... Rochelle...
Oakpark... Leon...
Fordsville...
Additional rainfall amounts of 1 to 2 inches are possible in the
warned area.
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.
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 3826 7827 3828 7830 3827 7832 3828 7835
3829 7835 3829 7836 3832 7836 3832 7838
3836 7843 3838 7842 3841 7844 3845 7844
3846 7845 3851 7843 3863 7834 3844 7812
3843 7813 3839 7809 3838 7811
FLASH FLOOD...RADAR AND GAUGE INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
$$
KLW187
WGUS71 KLWX 110811
FFSLWX
Flash Flood Statement
National Weather Service Baltimore MD/Washington DC
411 AM EDT Fri Jun 11 2021
VAC113-110821-
/O.CAN.KLWX.FF.W.0013.000000T0000Z-210611T1015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Madison VA-
411 AM EDT Fri Jun 11 2021
...FLASH FLOOD WARNING FOR MADISON COUNTY HAS BEEN REPLACED WITH A
FLOOD WARNING...
LAT...LON 3826 7827 3828 7830 3827 7832 3828 7835
3829 7835 3829 7836 3832 7836 3832 7838
3836 7843 3838 7842 3841 7844 3845 7844
3846 7845 3851 7843 3863 7834 3844 7812
3843 7813 3839 7809 3838 7811
$$
KLWThe office that day
Everything else NWS Baltimore/Washington issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 10, 8:20 PM EDT | Areal Flood Warning | LWX | Frederick | 2 hr |
| Jun 10, 9:47 PM EDT | Areal Flood Warning | LWX | Frederick | 13 min |
| Jun 11, 1:49 AM EDT | Small Craft Advisory | LWX | 35 hr | |
| Jun 11, 3:36 AM EDT | River Flood Warning | LWX | Culpeper, Fauquier | 19 hr |
| Jun 11, 4:11 AM EDT | Areal Flood Warning | LWX | Culpeper, Greene, Madison | 5 hr |
| Jun 11, 4:13 AM EDT | Areal Flood Warning | LWX | Culpeper, Rappahannock | 11 hr |
| Jun 11, 8:59 AM EDT | Areal Flood Warning | LWX | Culpeper, Madison, Orange | 7 hr |
| Jun 11, 9:59 AM EDT | Areal Flood Warning | LWX | King George, Stafford | 11 hr |
| Jun 11, 11:51 AM EDT | Areal Flood Warning | LWX | Loudoun | 9 hr |
| Jun 11, 1:10 PM EDT | Areal Flood Warning | LWX | Loudoun | 6 hr |
| Jun 11, 1:41 PM EDT | Areal Flood Warning | LWX | Loudoun | 6 hr |
| Jun 11, 2:15 PM EDT | River Flood Warning | LWX | Culpeper, Orange, Spotsylvania | 3 hr |
| Jun 11, 2:47 PM EDT | Coastal Flood Advisory | LWX | Arlington, King George, City of Alexandria, City of Falls Church | 22 hr |
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.