Alert archive / Ohio / Flash Flood Warnings in 2021
Flash Flood Warning 98, NWS Charleston, WV
NWS Charleston, WV issued this flash flood warning at Aug 19, 2021, 3:09 PM EDT for Athens County, Ohio. It was in force for 3 hr. 2 reports 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
- Aug 19, 2021, 3:09 PM EDT (19:09 UTC)
- Expired
- Aug 19, 2021, 6:15 PM EDT
- In force
- 3 hr
- Issued by
- NWS Charleston, WV
- Area
- Storm-based polygon
- Flood severity
- None
County Athens County, OH
The radar
The Charleston,WV radar (KRLX), 114 km from the middle of the area, began a volume at 19:11 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 |
|---|---|---|---|
| Aug 19, 3:30 PM EDT | FLASH FLOOD | 1 N Canaanville, OH | HIGH WATER ACROSS STATE ROAD 690 IN ATHENS, OH. |
| Aug 19, 4:20 PM EDT | FLASH FLOOD | 2 Nnw Hickory Hills, OH | HIGH WATER ACROSS TERREL ROAD. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 12:00Z, 7.2 hours before the alert went out and 153 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
- 33 J/kg
- Mixed-layer CIN
- -63 J/kg
- Mixed-layer LCL
- 867 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- -10 m²/s²
- 0-3 km storm-relative helicity
- 13 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
799
WGUS51 KRLX 191909
FFWRLX
OHC009-192215-
/O.NEW.KRLX.FF.W.0098.210819T1909Z-210819T2215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Charleston WV
309 PM EDT Thu Aug 19 2021
The National Weather Service in Charleston has issued a
* Flash Flood Warning for...
South Central Athens County in southeastern Ohio...
* Until 615 PM EDT.
* At 309 PM EDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Up to 1.5 inches of rain have
fallen. Additional rainfall amounts up to 1 inch 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...
Athens and Stroud Run State Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
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 3934 8211 3937 8201 3928 8187 3921 8203
FLASH FLOOD...RADAR INDICATED
$$
JZ2 follow-up statements
137
WGUS71 KRLX 192041
FFSRLX
Flash Flood Statement
National Weather Service Charleston WV
441 PM EDT Thu Aug 19 2021
OHC009-192215-
/O.CON.KRLX.FF.W.0098.000000T0000Z-210819T2215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Athens OH-
441 PM EDT Thu Aug 19 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 615 PM EDT THIS
EVENING FOR SOUTH CENTRAL ATHENS COUNTY...
At 441 PM EDT, Rainfall amounts of 0.5 and 2 inches of rain have
fallen. Additional rainfall amounts up to 0.25 inches are possible
in the warned area. Flash flooding is ongoing or expected to begin
shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.
Some locations that will experience flash flooding include...
Athens and Stroud Run State Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be aware of your surroundings and do not drive on flooded roads.
Please report Severe Weather to the National Weather Service by
calling toll free, 800 401 9535, when you can do so safely. You may
also report severe weather by posting your report to the Charleston
West Virginia National Weather Service Facebook Page, or by using
the Twitter Hashtag, NWSRLX.
&&
LAT...LON 3934 8211 3937 8201 3928 8187 3921 8203
FLASH FLOOD...RADAR INDICATED
$$
JZ863 WGUS71 KRLX 192210 FFSRLX Flash Flood Statement National Weather Service Charleston WV 610 PM EDT Thu Aug 19 2021 OHC009-192220- /O.EXP.KRLX.FF.W.0098.000000T0000Z-210819T2215Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Athens OH- 610 PM EDT Thu Aug 19 2021 ...FLASH FLOOD WARNING WILL EXPIRE AT 615 PM EDT THIS EVENING FOR SOUTH CENTRAL ATHENS 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 3934 8211 3937 8201 3928 8187 3921 8203 $$ JZ
The office that day
Everything else NWS Charleston, WV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 19, 12:49 PM EDT | Flash Flood Warning | RLX | Gallia, Lawrence | 2 hr |
| Aug 19, 1:33 PM EDT | Flash Flood Warning | RLX | Gallia, Lawrence, Meigs | 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.