Alert archive / West Virginia / Flash Flood Warnings in 2021

Flash Flood Warning 71, NWS Charleston, WV

July 1, 2021Cabell County, Wayne County, West Virginia; Lawrence County, Ohio; Boyd County, Kentucky

NWS Charleston, WV issued this flash flood warning at Jul 1, 2021, 1:23 AM EDT for Cabell County, Wayne County, West Virginia; Lawrence County, Ohio; Boyd County, Kentucky. It was in force for 4 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
Jul 1, 2021, 1:23 AM EDT (05:23 UTC)
Expired
Jul 1, 2021, 5:15 AM EDT
In force
4 hr
Issued by
NWS Charleston, WV
Area
Storm-based polygon
Flood severity
None

Counties Boyd County, KY, Lawrence County, OH, Cabell County, WV, Wayne County, WV

The radar

The Charleston,WV radar (KRLX), 75 km from the middle of the area, began a volume at 05:24 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

TimeReportWhereRemark
Jul 1, 1:45 AM EDTFLASH FLOOD1 Ne Huntington, WV2500 BLOCK OF 5TH AVENUE BEING BARRICADED DUE TO FLASH FLOODING.
Jul 1, 2:43 AM EDTHEAVY RAIN 2.621 Se Ashland, KYCWOP STATION REPORTS 2.62 INCHES OF RAIN SINCE MIDNIGHT WHILE RECEIVING 1.18 INCHES IN 5 MINUTES ENDING AT 1231 AM.

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 00:00Z, 5.4 hours before the alert went out and 155 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.

247 
WGUS51 KRLX 010523
FFWRLX
KYC019-OHC087-WVC011-099-010915-
/O.NEW.KRLX.FF.W.0071.210701T0523Z-210701T0915Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

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

The National Weather Service in Charleston has issued a

* Flash Flood Warning for...
  Boyd County in northeastern Kentucky...
  Southeastern Lawrence County in southeastern Ohio...
  Cabell County in central West Virginia...
  Northwestern Wayne County in western West Virginia...

* Until 515 AM EDT.

* At 123 AM EDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 1 and 2 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...
  Huntington, Ashland, Coal Grove, Chesapeake, Proctorville, 
  Cannonsburg, Barboursville, Kenova, Milton, Catlettsburg, Ceredo, 
  Durbin, Ona, Princess, Coalton, Culloden, South Point, Burlington, 
  Westwood and Crown City.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Excessive runoff from heavy rainfall will cause flooding of streets 
around Huntington. The highest threat areas for flooding are the 
railroad viaducts at 1st, 8th, 10th, 16th and 20th streets. In 
addition, the railroad viaduct at 14th street west may flood. 
Flooding may also be occurring along 5th avenue between 24th and 
25th streets.

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 3837 8279 3840 8280 3851 8264 3859 8248
      3858 8229 3859 8228 3859 8223 3838 8207
      3827 8262 3826 8270 3825 8271 3824 8275
      3834 8278 3836 8277

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

$$

ABE
2 follow-up statements
005 
WGUS71 KRLX 010554
FFSRLX

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

KYC019-OHC087-WVC011-099-010915-
/O.CON.KRLX.FF.W.0071.000000T0000Z-210701T0915Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Boyd KY-Lawrence OH-Cabell WV-Wayne WV-
154 AM EDT Thu Jul 1 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 515 AM EDT EARLY THIS 
MORNING FOR BOYD, SOUTHEASTERN LAWRENCE, CABELL AND NORTHWESTERN 
WAYNE COUNTIES...

At 154 AM EDT, Local law enforcement reported flash flooding 
occurring at the 2500 block of 5th Avenue in Huntington. Between 1.5 
and 2.5 inches of rain have fallen. Additional rainfall amounts of 
0.5 to 1 inch are possible in the warned area.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Law enforcement reported.

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...
  Huntington, Ashland, Coal Grove, Chesapeake, Proctorville, 
  Cannonsburg, Barboursville, Kenova, Milton, Catlettsburg, Ceredo, 
  Durbin, Ona, Princess, Coalton, Culloden, South Point, Burlington, 
  Westwood and Crown City.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Excessive runoff from heavy rainfall will cause flooding of streets 
around Huntington. The highest threat areas for flooding are the 
railroad viaducts at 1st, 8th, 10th, 16th and 20th streets. In 
addition, the railroad viaduct at 14th street west may flood. 
Flooding may also be occurring along 5th avenue between 24th and 
25th streets.

&&

LAT...LON 3837 8279 3840 8280 3851 8264 3859 8248
      3858 8229 3859 8228 3859 8223 3838 8207
      3827 8262 3826 8270 3825 8271 3824 8275
      3834 8278 3836 8277

FLASH FLOOD...OBSERVED

$$

ABE
109 
WGUS71 KRLX 010909
FFSRLX

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

KYC019-OHC087-WVC011-099-010919-
/O.EXP.KRLX.FF.W.0071.000000T0000Z-210701T0915Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Boyd KY-Lawrence OH-Cabell WV-Wayne WV-
509 AM EDT Thu Jul 1 2021

...FLASH FLOOD WARNING WILL EXPIRE AT 515 AM EDT EARLY THIS MORNING 
FOR BOYD, SOUTHEASTERN LAWRENCE, CABELL AND NORTHWESTERN WAYNE 
COUNTIES...

Flood waters have receded. Flooding is no longer expected to pose a 
threat. Please continue to heed remaining road closures.

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

LAT...LON 3837 8279 3840 8280 3851 8264 3859 8248
      3858 8229 3859 8228 3859 8223 3838 8207
      3827 8262 3826 8270 3825 8271 3824 8275
      3834 8278 3836 8277

$$

ABE

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 30, 10:30 PM EDTSpecial Weather StatementRLXJackson45 min
Jul 1, 1:00 AM EDTSpecial Weather StatementRLXCabell60 min
Jul 1, 2:23 AM EDTFlash Flood WarningRLXCabell, Mason6 hr
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
Jul 1, 12:17 AM EDTSpecial Weather StatementRLXLawrence43 min
Jul 1, 2:39 AM EDTSpecial Weather StatementRLXAthens51 min
Jul 1, 7:34 PM EDTSpecial Weather StatementRLXPerry26 min

Nearby

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