Alert archive / West Virginia / Flash Flood Warnings in 2021

Flash Flood Warning 14, NWS Charleston, WV

June 9, 2021Boone County, Raleigh County, West Virginia

NWS Charleston, WV issued this flash flood warning at Jun 9, 2021, 3:34 PM EDT for Boone County, Raleigh County, West Virginia. It was in force for 95 min. 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 9, 2021, 3:34 PM EDT (19:34 UTC)
Expired
Jun 9, 2021, 5:09 PM EDT
In force
95 min
Issued by
NWS Charleston, WV
Area
Storm-based polygon
Flood severity
None

Counties Boone County, WV, Raleigh County, WV

The radar

The Charleston,WV radar (KRLX), 45 km from the middle of the area, began a volume at 19:37 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

Roanoke, VA (KRNK), launched 12:00Z, 7.6 hours before the alert went out and 201 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, Roanoke, VA at 12:00Z on 2021-06-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 92 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, Roanoke, VA at 12:00Z on 2021-06-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -24 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
92 J/kg
Mixed-layer CIN
-99 J/kg
Mixed-layer LCL
1085 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
-24 m²/s²
0-3 km storm-relative helicity
42 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

839 
WGUS51 KRLX 091934
FFWRLX
WVC005-081-092245-
/O.NEW.KRLX.FF.W.0014.210609T1934Z-210609T2245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Charleston WV
334 PM EDT Wed Jun 9 2021

The National Weather Service in Charleston has issued a

* Flash Flood Warning for...
  Southeastern Boone County in central West Virginia...
  Northwestern Raleigh County in southeastern West Virginia...

* Until 645 PM EDT.

* At 334 PM EDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 0.5 and 1 inch of rain 
  has 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...
  Bald Knob, Wharton, Whitesville, Stickney and Naoma.

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 3785 8157 3787 8173 3794 8178 3798 8162
      3801 8151 3799 8150 3786 8147

FLASH FLOOD...RADAR INDICATED

$$

JZ
1 follow-up statement
998 
WGUS71 KRLX 092109
FFSRLX

Flash Flood Statement
National Weather Service Charleston WV
509 PM EDT Wed Jun 9 2021

WVC005-081-092119-
/O.CAN.KRLX.FF.W.0014.000000T0000Z-210609T2245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Boone WV-Raleigh WV-
509 PM EDT Wed Jun 9 2021

...FLASH FLOOD WARNING IS CANCELLED FOR SOUTHEASTERN BOONE AND 
NORTHWESTERN RALEIGH COUNTIES...

The heavy rain has ended. Flooding is no longer expected to pose a 
threat. Please continue to heed remaining road closures, if any. If 
you see high water, turn around, don't drown.

LAT...LON 3785 8157 3787 8173 3794 8178 3798 8162
      3801 8151 3799 8150 3786 8147

$$

JZ

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 8, 8:18 PM EDTFlash Flood WarningRLXMcDowell3 hr
Jun 8, 9:54 PM EDTSpecial Weather StatementRLXFayette36 min
Jun 8, 10:27 PM EDTSpecial Weather StatementRLXBraxton, Webster33 min
Jun 8, 10:36 PM EDTSpecial Weather StatementRLXNicholas24 min
Jun 8, 11:22 PM EDTSpecial Weather StatementRLXWebster23 min
Jun 8, 11:48 PM EDTSpecial Weather StatementRLXPocahontas, Webster27 min
Jun 9, 12:16 AM EDTSpecial Weather StatementRLXPocahontas29 min
Jun 9, 12:45 AM EDTSpecial Weather StatementRLXPocahontas45 min
Jun 9, 11:04 AM EDTAreal Flood WarningRLXMason2 hr
Jun 9, 2:20 PM EDTFlash Flood WarningRLXClay, Kanawha55 min
Jun 9, 3:57 PM EDTSpecial Weather StatementRLXMcDowell48 min
Jun 9, 6:36 PM EDTFlash Flood WarningRLXCabell117 min
Jun 9, 7:39 PM EDTSpecial Weather StatementRLXMason36 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.