Alert archive / Ohio / Flash Flood Warnings in 2021

Flash Flood Warning 103, NWS Charleston, WV

August 29, 2021Gallia County, Meigs County, Vinton County, Ohio; Mason County, West Virginia

NWS Charleston, WV issued this flash flood warning at Aug 29, 2021, 3:49 PM EDT for Gallia County, Meigs County, Vinton County, Ohio; Mason County, West 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 29, 2021, 3:49 PM EDT (19:49 UTC)
Expired
Aug 29, 2021, 7:00 PM EDT
In force
3 hr
Issued by
NWS Charleston, WV
Area
Storm-based polygon
Flood severity
None

Counties Gallia County, OH, Meigs County, OH, Vinton County, OH, Mason County, WV

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 7.8 hours before the alert went out and 141 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.

Skew-T log-pSkew-T log-p diagram, Cncnati-Daytn, OH at 12:00Z on 2021-08-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1111 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cncnati-Daytn, OH at 12:00Z on 2021-08-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 52 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1111 J/kg
Mixed-layer CIN
-41 J/kg
Mixed-layer LCL
1131 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
52 m²/s²
0-3 km storm-relative helicity
41 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

847 
WGUS51 KRLX 291949
FFWRLX
OHC053-105-163-WVC053-292300-
/O.NEW.KRLX.FF.W.0103.210829T1949Z-210829T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Charleston WV
349 PM EDT Sun Aug 29 2021

The National Weather Service in Charleston has issued a

* Flash Flood Warning for...
  Northeastern Gallia County in southeastern Ohio...
  West Central Meigs County in southeastern Ohio...
  Southeastern Vinton County in southeastern Ohio...
  Northwestern Mason County in western West Virginia...

* Until 700 PM EDT.

* At 349 PM EDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 1 and 2 inches of rain 
  have fallen. Additional rainfall amounts of 1 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...
  Point Pleasant, Pomeroy, Rutland, Middleport, Vinton, Wilkesville, 
  Cheshire, Kyger, Salem Center and Lakin.

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 3905 8242 3907 8241 3908 8238 3909 8232
      3907 8217 3907 8208 3905 8206 3898 8203
      3888 8211 3887 8216 3886 8223 3886 8228
      3888 8228 3889 8231 3892 8235 3894 8240
      3894 8241

FLASH FLOOD...RADAR INDICATED

$$

JSH
1 follow-up statement
275 
WGUS71 KRLX 292117
FFSRLX

Flash Flood Statement
National Weather Service Charleston WV
517 PM EDT Sun Aug 29 2021

OHC053-105-163-WVC053-292300-
/O.CON.KRLX.FF.W.0103.000000T0000Z-210829T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Gallia OH-Meigs OH-Vinton OH-Mason WV-
517 PM EDT Sun Aug 29 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING 
FOR NORTHEASTERN GALLIA, WEST CENTRAL MEIGS, SOUTHEASTERN VINTON AND 
NORTHWESTERN MASON COUNTIES...

At 517 PM EDT, Doppler radar indicated thunderstorms producing heavy 
rain across the warned area. Between 1 and 3 inches of rain have 
fallen. However, only light rain is falling across the warned area 
at this time. Flash flooding should be 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...
  Point Pleasant, Pomeroy, Rutland, Middleport, Vinton, Wilkesville, 
  Cheshire, Kyger, Salem Center and Lakin.

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 3905 8242 3907 8241 3908 8238 3909 8232
      3907 8217 3907 8208 3905 8206 3898 8203
      3888 8211 3887 8216 3886 8223 3886 8228
      3888 8228 3889 8231 3892 8235 3894 8240
      3894 8241

FLASH FLOOD...RADAR INDICATED

$$

JSH

The office that day

Everything else NWS Charleston, WV issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 29, 11:59 AM EDTSpecial Weather StatementRLXPerry46 min
Aug 29, 12:22 PM EDTSpecial Weather StatementRLXVinton38 min
Aug 29, 1:47 PM EDTFlash Flood WarningRLXAthens, Morgan2 hr
Aug 29, 1:55 PM EDTSevere Thunderstorm WarningRLXAthens, Washington35 min
Aug 29, 2:21 PM EDTSevere Thunderstorm WarningRLXWashington39 min
Aug 29, 2:54 PM EDTSpecial Weather StatementRLXScioto51 min
Aug 29, 3:13 PM EDTSpecial Weather StatementRLXGallia47 min
Aug 29, 3:14 PM EDTSpecial Weather StatementRLXGallia46 min
Aug 29, 3:25 PM EDTSpecial Weather StatementRLXVinton50 min
Aug 29, 4:19 PM EDTSpecial Weather StatementRLXMeigs41 min
Aug 29, 4:51 PM EDTSpecial Weather StatementRLXPerry54 min
Aug 29, 2:48 PM EDTSevere Thunderstorm WarningRLXRitchie, Wirt, Wood27 min
Aug 29, 3:08 PM EDTSpecial Weather StatementRLXCabell52 min
Aug 29, 3:27 PM EDTSevere Thunderstorm WarningRLXJackson, Mason, Putnam33 min
Aug 29, 3:53 PM EDTSevere Thunderstorm WarningRLXJackson, Mason, Putnam20 min
Aug 29, 3:57 PM EDTSpecial Weather StatementRLXKanawha33 min
Aug 29, 4:02 PM EDTSpecial Weather StatementRLXDoddridge, Harrison, Lewis, Taylor, Upshur58 min
Aug 29, 4:03 PM EDTSevere Thunderstorm WarningRLXKanawha, Putnam27 min
Aug 29, 4:15 PM EDTSpecial Weather StatementRLXRoane30 min
Aug 29, 4:51 PM EDTSpecial Weather StatementRLXClay24 min
Aug 29, 5:20 PM EDTSpecial Weather StatementRLXClay, Fayette, Nicholas25 min

Nearby

Flash Flood Warnings in Ohio, 2021Flash Flood Warnings in West 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.