Alert archive / West Virginia / Flash Flood Warnings in 2021

Flash Flood Warning 68, NWS Charleston, WV

June 30, 2021Boone County, Lincoln County, West Virginia

NWS Charleston, WV issued this flash flood warning at Jun 30, 2021, 12:42 PM EDT for Boone County, Lincoln County, West Virginia. It was in force for 3 hr. 1 report 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
Jun 30, 2021, 12:42 PM EDT (16:42 UTC)
Expired
Jun 30, 2021, 3:45 PM EDT
In force
3 hr
Issued by
NWS Charleston, WV
Area
Storm-based polygon
Flood severity
None

Counties Boone County, WV, Lincoln County, WV

The radar

The Charleston,WV radar (KRLX), 15 km from the middle of the area, began a volume at 16:42 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
Jun 30, 1:00 PM EDTFLASH FLOOD5 Nnw Danville, WVMIDDLE HORSE CREEK OUT OF ITS BANKS AND FLOODING MIDDLE HORSE CREEK RD.

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, 4.7 hours before the alert went out and 220 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.

512 
WGUS51 KRLX 301642
FFWRLX
WVC005-043-301945-
/O.NEW.KRLX.FF.W.0068.210630T1642Z-210630T1945Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Charleston WV
1242 PM EDT Wed Jun 30 2021

The National Weather Service in Charleston has issued a

* Flash Flood Warning for...
  Northwestern Boone County in central West Virginia...
  East Central Lincoln County in central West Virginia...

* Until 345 PM EDT.

* At 1242 PM EDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 2 and 3 inches of rain 
  have fallen. The expected rainfall rate is 1 to 1.5 inches in 30 
  minutes. 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...
  Julian, Alum Creek, Danville, Woodville, Alkol and Ashford.

This includes the following streams and drainages...
  Brush Creek, Old House Branch, Camp Creek, Big Horse Creek, Rock 
  Creek, Berry Branch, Turtle Creek, Dodson Fork, Cobb Creek, Ivy 
  Creek, Buckeye Fork, Locust Fork, Bear Branch.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

In hilly terrain there are hundreds of low water crossings which are 
potentially dangerous in heavy rain. Do not attempt to cross flooded 
roads. Find an alternate route.

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 3816 8200 3825 8183 3824 8181 3822 8180
      3823 8182 3822 8182 3822 8184 3819 8182
      3818 8181 3818 8180 3820 8181 3821 8181
      3821 8179 3823 8178 3821 8176 3820 8175
      3820 8173 3818 8168 3805 8189

FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...1-1.5 INCHES IN 30 MINUTES

$$

CG
2 follow-up statements
935 
WGUS71 KRLX 301811
FFSRLX

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

WVC005-043-301945-
/O.CON.KRLX.FF.W.0068.000000T0000Z-210630T1945Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Boone WV-Lincoln WV-
211 PM EDT Wed Jun 30 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 345 PM EDT THIS 
AFTERNOON FOR NORTHWESTERN BOONE AND EAST CENTRAL LINCOLN COUNTIES...

At 211 PM EDT, The public reported that Middle Horse Creek near 
Julian is out of its banks at 100 PM leading to water on roadways. 
Between 3 and 3.5 inches of rain have fallen. Flash flooding is 
already occurring.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Public 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...
  Julian, Alum Creek, Danville, Woodville, Alkol and Ashford.

This includes the following streams and drainages...
  Brush Creek, Old House Branch, Camp Creek, Big Horse Creek, Rock 
  Creek, Berry Branch, Turtle Creek, Dodson Fork, Cobb Creek, Ivy 
  Creek, Buckeye Fork, Locust Fork, Bear Branch.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

In hilly terrain there are hundreds of low water crossings which are 
potentially dangerous in heavy rain. Do not attempt to cross flooded 
roads. Find an alternate route.

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 3816 8200 3825 8183 3824 8181 3822 8180
      3823 8182 3822 8182 3822 8184 3819 8182
      3818 8181 3818 8180 3820 8181 3821 8181
      3821 8179 3823 8178 3821 8176 3820 8175
      3820 8173 3818 8168 3805 8189

FLASH FLOOD...OBSERVED

$$

CG
763 
WGUS71 KRLX 301951
FFSRLX

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

WVC005-043-302001-
/O.EXP.KRLX.FF.W.0068.000000T0000Z-210630T1945Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Boone WV-Lincoln WV-
351 PM EDT Wed Jun 30 2021

...FLASH FLOOD WARNING HAS EXPIRED FOR NORTHWESTERN BOONE AND EAST 
CENTRAL LINCOLN COUNTIES...

Heavy rain has ended. However, emergency managers reported that 
Middle Horse Creek Road in Julian continues flooded for about a 
mile. Please continue to heed remaining road closures. An areal 
flood warning will be issued to cover this flooding threat.

LAT...LON 3816 8200 3825 8183 3824 8181 3822 8180
      3823 8182 3822 8182 3822 8184 3819 8182
      3818 8181 3818 8180 3821 8181 3821 8179
      3823 8178 3820 8175 3820 8173 3818 8168
      3805 8189

$$

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, 12:55 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, 4:21 PM EDTFlash Flood WarningRLXWayne2 hr
Jun 30, 4:41 PM EDTSpecial Weather StatementRLXCabell49 min

Nearby

Flash 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.