Alert archive / Virginia / Flash Flood Warnings in 2021
Flash Flood Warning 35, NWS Morristown, TN
NWS Morristown, TN issued this flash flood warning at Aug 30, 2021, 1:21 PM EDT for Russell County, Washington County, Virginia. It was in force for 3 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
- Aug 30, 2021, 1:21 PM EDT (17:21 UTC)
- Expired
- Aug 30, 2021, 4:30 PM EDT
- In force
- 3 hr
- Issued by
- NWS Morristown, TN
- Area
- Storm-based polygon
- Flood severity
- None
Counties Russell County, VA, Washington County, VA
The radar
The Jackson,KY radar (KJKL), 124 km from the middle of the area, began a volume at 17:22 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, 5.4 hours before the alert went out and 223 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
- 766 J/kg
- Mixed-layer CIN
- -120 J/kg
- Mixed-layer LCL
- 1299 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 22 m²/s²
- 0-3 km storm-relative helicity
- 65 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
035
WGUS54 KMRX 301721
FFWMRX
VAC167-191-302030-
/O.NEW.KMRX.FF.W.0035.210830T1721Z-210830T2030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Morristown TN
121 PM EDT Mon Aug 30 2021
The National Weather Service in Morristown has issued a
* Flash Flood Warning for...
Central Russell County in southwestern Virginia...
Northwestern Washington County in southwestern Virginia...
* Until 430 PM EDT.
* At 121 PM EDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 1 and 3 inches of rain
have fallen. Additional rainfall amounts of 0.5 to 1.5 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...
Lebanon, Cleveland Va and Hansonville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be aware of your surroundings and do not drive on flooded roads.
In hilly terrain there are hundreds of low water crossings which are
potentially dangerous in heavy rain. Do not attempt to cross flooded
roads. Find an alternate route.
&&
LAT...LON 3688 8221 3700 8228 3699 8226 3703 8220
3703 8218 3704 8217 3704 8212 3705 8210
3704 8209 3704 8208 3705 8206 3705 8204
3706 8203 3685 8187 3677 8217
FLASH FLOOD...RADAR INDICATED
$$
BWThe office that day
Everything else NWS Morristown, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 30, 3:35 AM EDT | Flash Flood Watch | MRX | Lee, Russell, Scott, Washington, Wise, City of Bristol and 1 more | 48 hr |
| Aug 30, 12:15 PM EDT | Special Weather Statement | MRX | Russell | 30 min |
| Aug 30, 12:40 PM EDT | Areal Flood Advisory | MRX | Russell | 2 hr |
| Aug 30, 1:10 PM EDT | Areal Flood Advisory | MRX | Russell, Washington | 2 hr |
| Aug 30, 2:56 PM EDT | Areal Flood Advisory | MRX | Wise | 2 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.