Alert archive / Ohio / Flash Flood Warnings in 2021
Flash Flood Warning 92, NWS Charleston, WV
NWS Charleston, WV issued this flash flood warning at Aug 18, 2021, 8:02 AM EDT for Morgan County, Perry County, Ohio. 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
- Aug 18, 2021, 8:02 AM EDT (12:02 UTC)
- Expired
- Aug 18, 2021, 12:00 PM EDT
- In force
- 4 hr
- Issued by
- NWS Charleston, WV
- Area
- Storm-based polygon
- Flood severity
- None
Counties Morgan County, OH, Perry County, OH
The radar
The Charleston,WV radar (KRLX), 159 km from the middle of the area, began a volume at 12:01 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
Pittsburgh, PA (KPIT), launched 12:00Z, 0.0 hours before the alert went out and 175 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
- 109 J/kg
- Mixed-layer CIN
- -40 J/kg
- Mixed-layer LCL
- 684 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 132 m²/s²
- 0-3 km storm-relative helicity
- 165 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted.
385
WGUS51 KRLX 181202
FFWRLX
OHC115-127-181600-
/O.NEW.KRLX.FF.W.0092.210818T1202Z-210818T1600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Charleston WV
802 AM EDT Wed Aug 18 2021
The National Weather Service in Charleston has issued a
* Flash Flood Warning for...
Northwestern Morgan County in southeastern Ohio...
East Central Perry County in southeastern Ohio...
* Until noon EDT.
* At 802 AM EDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 0.5 and 1 inch of rain
has fallen. 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...
Malta and Eagleport.
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.
Please report Severe Weather to the National Weather Service by
calling toll free, 800 401 9535, when you can do so safely. You may
also report severe weather by posting your report to the Charleston
West Virginia National Weather Service Facebook Page, or by using
the Twitter Hashtag, NWSRLX.
&&
LAT...LON 3973 8208 3977 8208 3976 8187 3976 8186
3976 8185 3976 8184 3960 8189 3967 8208
FLASH FLOOD...RADAR INDICATED
$$
MEK1 follow-up statement
021
WGUS71 KRLX 181555
FFSRLX
Flash Flood Statement
National Weather Service Charleston WV
1155 AM EDT Wed Aug 18 2021
OHC115-127-181605-
/O.EXP.KRLX.FF.W.0092.000000T0000Z-210818T1600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Morgan OH-Perry OH-
1155 AM EDT Wed Aug 18 2021
...FLASH FLOOD WARNING WILL EXPIRE AT NOON EDT TODAY FOR
NORTHWESTERN MORGAN AND EAST CENTRAL PERRY COUNTIES...
The heavy rain has ended. Flooding is no longer expected to pose a
threat. Please continue to heed remaining road closures.
A Flash Flood Watch remains in effect until 1200 PM EDT for portions
of northeast Kentucky, southeast Ohio and West Virginia.
LAT...LON 3973 8208 3977 8208 3976 8187 3976 8186
3976 8185 3976 8184 3960 8189 3967 8208
$$
MEKThe office that day
Everything else NWS Charleston, WV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 18, 3:55 AM EDT | Flash Flood Warning | RLX | Gallia, Lawrence | 6 hr |
| Aug 18, 4:48 AM EDT | Flash Flood Warning | RLX | Athens, Gallia, Jackson, Meigs, Vinton | 6 hr |
| Aug 18, 6:30 AM EDT | Flash Flood Warning | RLX | Athens, Morgan, Perry | 6 hr |
Nearby
Flash Flood Warnings in Ohio, 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.