Alert archive / West Virginia / Flash Flood Warnings in 2021

Flash Flood Warning 69, NWS Charleston, WV

June 30, 2021Wayne County, West Virginia; Boyd County, Kentucky

NWS Charleston, WV issued this flash flood warning at Jun 30, 2021, 4:21 PM EDT for Wayne County, West Virginia; Boyd County, Kentucky. It was in force for 2 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
Jun 30, 2021, 4:21 PM EDT (20:21 UTC)
Expired
Jun 30, 2021, 6:22 PM EDT
In force
2 hr
Issued by
NWS Charleston, WV
Area
Storm-based polygon
Flood severity
None

Counties Boyd County, KY, Wayne County, WV

The radar

The Charleston,WV radar (KRLX), 75 km from the middle of the area, began a volume at 20:21 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 12:00Z, 8.4 hours before the alert went out and 165 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 2021-06-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 608 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 2021-06-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -4 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
608 J/kg
Mixed-layer CIN
-78 J/kg
Mixed-layer LCL
1164 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
-4 m²/s²
0-3 km storm-relative helicity
-19 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

888 
WGUS51 KRLX 302021
FFWRLX
KYC019-WVC099-010115-
/O.NEW.KRLX.FF.W.0069.210630T2021Z-210701T0115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Charleston WV
421 PM EDT Wed Jun 30 2021

The National Weather Service in Charleston has issued a

* Flash Flood Warning for...
  Southeastern Boyd County in northeastern Kentucky...
  Northwestern Wayne County in western West Virginia...

* Until 915 PM EDT.

* At 421 PM EDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 1 and 2 inches of rain 
  have 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...
  Lockwood.

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 3827 8258 3829 8259 3829 8260 3833 8259
      3833 8257 3832 8256 3830 8258 3829 8257
      3827 8257

FLASH FLOOD...RADAR INDICATED

$$

ARJ
1 follow-up statement
906 
WGUS71 KRLX 302222
FFSRLX

Flash Flood Statement
National Weather Service Charleston WV
622 PM EDT Wed Jun 30 2021

KYC019-WVC099-302232-
/O.CAN.KRLX.FF.W.0069.000000T0000Z-210701T0115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Boyd KY-Wayne WV-
622 PM EDT Wed Jun 30 2021

...FLASH FLOOD WARNING IS CANCELLED FOR SOUTHEASTERN BOYD AND 
NORTHWESTERN WAYNE COUNTIES...

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 3827 8258 3829 8259 3829 8260 3833 8259
      3833 8257 3832 8256 3830 8258 3829 8257
      3827 8257

$$

ARJ

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 30, 12:04 PM EDTSpecial Weather StatementRLXClay26 min
Jun 30, 12:05 PM EDTSpecial Weather StatementRLXKanawha25 min
Jun 30, 12:42 PM EDTFlash Flood WarningRLXBoone, Lincoln3 hr
Jun 30, 12:55 PM EDTSpecial Weather StatementRLXUpshur35 min
Jun 30, 1:55 PM EDTSevere Thunderstorm WarningRLXWood35 min
Jun 30, 2:09 PM EDTFlash Flood WatchRLXBarbour, Boone, Braxton, Cabell, Calhoun, Clay and 28 more39 hr
Jun 30, 2:22 PM EDTSpecial Weather StatementRLXPleasants23 min
Jun 30, 2:44 PM EDTSpecial Weather StatementRLXDoddridge, Pleasants, Tyler31 min
Jun 30, 2:46 PM EDTSpecial Weather StatementRLXUpshur29 min
Jun 30, 3:14 PM EDTSpecial Weather StatementRLXTyler31 min
Jun 30, 3:59 PM EDTAreal Flood WarningRLXBoone64 min
Jun 30, 4:07 PM EDTSpecial Weather StatementRLXWayne38 min
Jun 30, 4:41 PM EDTSpecial Weather StatementRLXCabell49 min
Jun 30, 3:19 PM EDTSpecial Weather StatementRLXBoyd26 min

Nearby

Flash Flood Warnings in West Virginia, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.