Alert archive / Virginia / Flash Flood Warnings in 2021
Flash Flood Warning 15, NWS Baltimore/Washington
NWS Baltimore/Washington issued this flash flood warning at Jun 13, 2021, 5:26 PM EDT for Highland County, Virginia. It was in force for 2 hr. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jun 13, 2021, 5:26 PM EDT (21:26 UTC)
- Expired
- Jun 13, 2021, 7:50 PM EDT
- In force
- 2 hr
- Issued by
- NWS Baltimore/Washington
- Area
- Storm-based polygon
- Flood severity
- None
County Highland County, VA
The radar
The Roanoke radar (KFCX), 150 km from the middle of the area, began a volume at 21:29 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 13, 7:30 PM EDT | FLOOD | 3 Sw Mill Gap, VA | 10000 BLOCK OF MILL GAP ROAD CLOSED DUE TO FLOODING. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Roanoke, VA (KRNK), launched 12:00Z, 9.4 hours before the alert went out and 120 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
- 60 J/kg
- Mixed-layer CIN
- -22 J/kg
- Mixed-layer LCL
- 614 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 22 m²/s²
- 0-3 km storm-relative helicity
- 58 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
644
WGUS51 KLWX 132126
FFWLWX
VAC091-140030-
/O.NEW.KLWX.FF.W.0015.210613T2126Z-210614T0030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Baltimore MD/Washington DC
526 PM EDT Sun Jun 13 2021
The National Weather Service in Sterling Virginia has issued a
* Flash Flood Warning for...
Southwestern Highland County in western Virginia...
* Until 830 PM EDT.
* At 526 PM EDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 1 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 may experience flash flooding include...
Mustoe... Bolar...
Clover Creek... Williamsville...
Mill Gap...
Additional rainfall amounts of 0.5 to 1.5 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.
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 3836 7973 3825 7941 3823 7943 3822 7944
3822 7947 3822 7948 3821 7948 3818 7951
3820 7956 3822 7971 3827 7980 3827 7979
3831 7981 3832 7980 3833 7977 3836 7976
3835 7974
FLASH FLOOD...RADAR INDICATED
$$
KJP2 follow-up statements
338
WGUS71 KLWX 132214
FFSLWX
Flash Flood Statement
National Weather Service Baltimore MD/Washington DC
614 PM EDT Sun Jun 13 2021
VAC091-140030-
/O.CON.KLWX.FF.W.0015.000000T0000Z-210614T0030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Highland VA-
614 PM EDT Sun Jun 13 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 830 PM EDT THIS
EVENING FOR SOUTHWESTERN HIGHLAND COUNTY...
At 614 PM EDT, Doppler radar indicated thunderstorms producing heavy
rain across the warned area. Between 1.5 and 3.5 inches of rain have
fallen. Flash flooding is ongoing or expected to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Doppler radar.
IMPACT...Flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other
drainage and low lying areas.
Some locations that may experience flash flooding include...
Mustoe... Bolar...
Clover Creek... Williamsville...
Mill Gap...
Additional rainfall amounts of 0.5 to 1 inch are possible in the
warned area.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.
&&
LAT...LON 3836 7973 3825 7941 3823 7943 3822 7944
3822 7947 3822 7948 3821 7948 3818 7951
3820 7956 3822 7971 3827 7980 3827 7979
3831 7981 3832 7980 3833 7977 3836 7976
3835 7974
FLASH FLOOD...RADAR INDICATED
$$
KJP816
WGUS71 KLWX 132350
FFSLWX
Flash Flood Statement
National Weather Service Baltimore MD/Washington DC
750 PM EDT Sun Jun 13 2021
VAC091-140000-
/O.CAN.KLWX.FF.W.0015.000000T0000Z-210614T0030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Highland VA-
750 PM EDT Sun Jun 13 2021
...FLASH FLOOD WARNING FOR SOUTHWESTERN HIGHLAND COUNTY HAS BEEN
REPLACED WITH A FLOOD WARNING...
LAT...LON 3836 7973 3825 7941 3823 7943 3822 7944
3822 7947 3822 7948 3821 7948 3818 7951
3820 7956 3822 7971 3827 7980 3827 7979
3831 7981 3832 7980 3833 7977 3836 7976
3835 7974
$$
CJLThe office that day
Everything else NWS Baltimore/Washington issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 12, 8:43 PM EDT | Coastal Flood Advisory | LWX | King George | 15 hr |
| Jun 13, 1:16 AM EDT | Small Craft Advisory | LWX | 28 hr | |
| Jun 13, 1:29 PM EDT | Severe Thunderstorm Warning | LWX | Page, Rockingham, Shenandoah | 46 min |
| Jun 13, 3:06 PM EDT | Severe Thunderstorm Warning | LWX | Augusta | 39 min |
| Jun 13, 3:07 PM EDT | Areal Flood Warning | LWX | Madison | 3 hr |
| Jun 13, 3:46 PM EDT | Severe Thunderstorm Warning | LWX | Augusta, City of Staunton, City of Waynesboro | 29 min |
| Jun 13, 4:04 PM EDT | Severe Thunderstorm Warning | LWX | Augusta, Nelson, City of Waynesboro | 27 min |
| Jun 13, 7:50 PM EDT | Areal Flood Warning | LWX | Highland | 3 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.