Alert archive / Ohio / Flash Flood Warnings in 2021

Flash Flood Warning 72, NWS Charleston, WV

July 1, 2021Gallia County, Lawrence County, Ohio; Cabell County, Mason County, West Virginia

NWS Charleston, WV issued this flash flood warning at Jul 1, 2021, 2:23 AM EDT for Gallia County, Lawrence County, Ohio; Cabell County, Mason County, West Virginia. It was in force for 6 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
Jul 1, 2021, 2:23 AM EDT (06:23 UTC)
Expired
Jul 1, 2021, 8:24 AM EDT
In force
6 hr
Issued by
NWS Charleston, WV
Area
Storm-based polygon
Flood severity
None

Counties Gallia County, OH, Lawrence County, OH, Cabell County, WV, Mason County, WV

The radar

The Charleston,WV radar (KRLX), 56 km from the middle of the area, began a volume at 06:23 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

Cncnati-Daytn, OH (KILN), launched 00:00Z, 6.4 hours before the alert went out and 163 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 00:00Z on 2021-07-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1557 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 00:00Z on 2021-07-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -3 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
1557 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
768 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
-3 m²/s²
0-3 km storm-relative helicity
53 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

606 
WGUS51 KRLX 010623
FFWRLX
OHC053-087-WVC011-053-011015-
/O.NEW.KRLX.FF.W.0072.210701T0623Z-210701T1015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Charleston WV
223 AM EDT Thu Jul 1 2021

The National Weather Service in Charleston has issued a

* Flash Flood Warning for...
  Southern Gallia County in southeastern Ohio...
  Central Lawrence County in southeastern Ohio...
  North Central Cabell County in central West Virginia...
  Southern Mason County in western West Virginia...

* Until 615 AM EDT.

* At 223 AM EDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 1 and 2.5 inches of 
  rain have fallen. The expected rainfall rate is 1 to 2 inches in 1 
  hour. 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...
  Ironton, Gallipolis, Coal Grove, Lake Vesuvius, Vernon, Waterloo, 
  Aid, Crown City, Gallopolis Ferry, Ashton, Pedro, Southside and 
  Grimms Landing.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Be especially cautious at night when it is harder to recognize the 
dangers of flooding.

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 3851 8266 3868 8271 3882 8219 3867 8186
      3866 8190 3866 8191 3866 8196 3863 8202
      3861 8206 3860 8207 3855 8217 3854 8219
      3859 8223 3859 8228 3858 8229 3859 8248
      3850 8265

FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...1-2 INCHES IN 1 HOUR

$$

ABE
3 follow-up statements
354 
WGUS71 KRLX 010723
FFSRLX

Flash Flood Statement
National Weather Service Charleston WV
323 AM EDT Thu Jul 1 2021

OHC053-087-WVC011-053-011015-
/O.CON.KRLX.FF.W.0072.000000T0000Z-210701T1015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Gallia OH-Lawrence OH-Cabell WV-Mason WV-
323 AM EDT Thu Jul 1 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 615 AM EDT THIS 
MORNING FOR SOUTHERN GALLIA, CENTRAL LAWRENCE, NORTH CENTRAL CABELL 
AND SOUTHERN MASON COUNTIES...

At 323 AM EDT, Doppler radar indicated a break in the heavy rainfall 
across the warned area, but additional thunderstorms producing heavy 
rain moving toward the region from Kentucky. Between 1.5 and 3 
inches of rain have fallen. Additional rainfall amounts of 0.5 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...
  Ironton, Gallipolis, Coal Grove, Lake Vesuvius, Vernon, Waterloo, 
  Aid, Crown City, Gallopolis Ferry, Ashton, Pedro, Southside and 
  Grimms Landing.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

Be especially cautious at night when it is harder to recognize the 
dangers of flooding.

&&

LAT...LON 3851 8266 3868 8271 3882 8219 3867 8186
      3866 8190 3866 8191 3866 8196 3863 8202
      3861 8206 3860 8207 3855 8217 3854 8219
      3859 8223 3859 8228 3858 8229 3859 8248
      3850 8265

FLASH FLOOD...RADAR INDICATED

$$

ABE
452 
WGUS51 KRLX 010957
FFWRLX
OHC053-087-WVC011-053-011315-
/O.EXT.KRLX.FF.W.0072.000000T0000Z-210701T1315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Charleston WV
557 AM EDT Thu Jul 1 2021

The National Weather Service in Charleston has extended the

* Flash Flood Warning for...
  Southern Gallia County in southeastern Ohio...
  Central Lawrence County in southeastern Ohio...
  North Central Cabell County in central West Virginia...
  Southern Mason County in western West Virginia...

* Until 915 AM EDT.

* At 557 AM EDT, Doppler radar indicated thunderstorms producing 
  heavy rain moving back into the warned area. Between 1.5 and 3 
  inches of rain have fallen. Additional rainfall amounts of 0.5 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...
  Ironton, Gallipolis, Coal Grove, Lake Vesuvius, Vernon, Waterloo, 
  Aid, Crown City, Gallopolis Ferry, Ashton, Pedro, Southside and 
  Grimms Landing.

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 3851 8266 3868 8271 3882 8219 3867 8186
      3866 8190 3866 8191 3866 8196 3863 8202
      3861 8206 3860 8207 3855 8217 3854 8219
      3859 8223 3859 8228 3858 8229 3859 8248
      3850 8265

FLASH FLOOD...RADAR INDICATED

$$

ABE
443 
WGUS71 KRLX 011224
FFSRLX

Flash Flood Statement
National Weather Service Charleston WV
824 AM EDT Thu Jul 1 2021

OHC053-087-WVC011-053-011234-
/O.CAN.KRLX.FF.W.0072.000000T0000Z-210701T1315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Gallia OH-Lawrence OH-Cabell WV-Mason WV-
824 AM EDT Thu Jul 1 2021

...FLASH FLOOD WARNING IS CANCELLED FOR SOUTHERN GALLIA, CENTRAL 
LAWRENCE, NORTH CENTRAL CABELL AND SOUTHERN MASON COUNTIES...

The heaviest of the rain has ended, and any high water should have 
receded. There were no reports of flooding or road closures. 
Flooding is no longer expected to pose a threat. Please heed any 
high water or road closure signs.

A Flash Flood Watch remains in effect until 200 AM EDT Friday for 
portions of northeast Kentucky, southeast Ohio and West Virginia.

LAT...LON 3851 8266 3868 8271 3882 8219 3867 8186
      3866 8190 3866 8191 3866 8196 3863 8202
      3861 8206 3860 8207 3855 8217 3854 8219
      3859 8223 3859 8228 3858 8229 3859 8248
      3850 8265

$$

TRM

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 1, 12:17 AM EDTSpecial Weather StatementRLXLawrence43 min
Jul 1, 1:23 AM EDTFlash Flood WarningRLXLawrence4 hr
Jul 1, 2:39 AM EDTSpecial Weather StatementRLXAthens51 min
Jul 1, 7:34 PM EDTSpecial Weather StatementRLXPerry26 min
Jun 30, 10:30 PM EDTSpecial Weather StatementRLXJackson45 min
Jul 1, 1:00 AM EDTSpecial Weather StatementRLXCabell60 min
Jul 1, 4:42 AM EDTSpecial Weather StatementRLXBarbour48 min
Jul 1, 2:05 PM EDTSpecial Weather StatementRLXMcDowell25 min
Jul 1, 3:15 PM EDTSpecial Weather StatementRLXClay, Kanawha, Lincoln30 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; radar from the NEXRAD Level II archive.