Alert archive / West Virginia / Flash Flood Warnings in 2021

Flash Flood Warning 33, NWS Charleston, WV

June 10, 2021Harrison County, West Virginia

NWS Charleston, WV issued this flash flood warning at Jun 10, 2021, 9:12 PM EDT for Harrison County, West Virginia. It was in force for 3 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 10, 2021, 9:12 PM EDT (01:12 UTC)
Expired
Jun 11, 2021, 12:15 AM EDT
In force
3 hr
Issued by
NWS Charleston, WV
Area
Storm-based polygon
Flood severity
None

County Harrison County, WV

The radar

The Pittsburgh radar (KPBZ), 124 km from the middle of the area, began a volume at 01:11 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

Pittsburgh, PA (KPIT), launched 00:00Z, 1.2 hours before the alert went out and 112 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, Pittsburgh, PA at 00:00Z on 2021-06-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 84 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Pittsburgh, PA at 00:00Z on 2021-06-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 31 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
84 J/kg
Mixed-layer CIN
-58 J/kg
Mixed-layer LCL
1003 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
31 m²/s²
0-3 km storm-relative helicity
69 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

463 
WGUS51 KRLX 110112
FFWRLX
WVC033-110415-
/O.NEW.KRLX.FF.W.0033.210611T0112Z-210611T0415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Charleston WV
912 PM EDT Thu Jun 10 2021

The National Weather Service in Charleston has issued a

* Flash Flood Warning for...
  North Central Harrison County in northern West Virginia...

* Until 1215 AM EDT.

* At 912 PM EDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 1 and 2.5 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...
  Enterprise.

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 3943 8053 3943 8052 3946 8051 3946 8049
      3947 8049 3943 8029 3944 8028 3943 8026
      3941 8029 3938 8040 3939 8043

FLASH FLOOD...RADAR INDICATED

$$

JZ
1 follow-up statement
419 
WGUS71 KRLX 110410
FFSRLX

Flash Flood Statement
National Weather Service Charleston WV
1210 AM EDT Fri Jun 11 2021

WVC033-110420-
/O.EXP.KRLX.FF.W.0033.000000T0000Z-210611T0415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Harrison WV-
1210 AM EDT Fri Jun 11 2021

...FLASH FLOOD WARNING WILL EXPIRE AT 1215 AM EDT EARLY THIS MORNING 
FOR NORTH CENTRAL HARRISON COUNTY...

Heavy rain has ended and any flood waters have likely receded. 
Flooding is no longer expected to pose a threat. Please continue to 
heed remaining road closures.

LAT...LON 3943 8053 3943 8052 3946 8051 3946 8049
      3947 8049 3943 8029 3944 8028 3943 8026
      3941 8029 3938 8040 3939 8043

$$

JLB

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 10, 8:11 PM EDTFlash Flood WarningRLXCabell, Lincoln2 hr
Jun 10, 8:21 PM EDTFlash Flood WarningRLXKanawha2 hr
Jun 10, 8:43 PM EDTSpecial Weather StatementRLXPutnam32 min
Jun 10, 8:59 PM EDTSpecial Weather StatementRLXJackson46 min
Jun 10, 10:45 PM EDTAreal Flood WarningRLXJackson2 hr
Jun 11, 7:07 AM EDTFlash Flood WarningRLXLogan, Mingo4 hr
Jun 11, 11:24 AM EDTFlash Flood WarningRLXBraxton, Nicholas92 min
Jun 11, 12:04 PM EDTFlash Flood WarningRLXBraxton, Gilmer, Lewis3 hr
Jun 11, 12:25 PM EDTFlash Flood WarningRLXLincoln, Putnam71 min
Jun 11, 1:15 PM EDTFlash Flood WarningRLXBarbour, Harrison, Taylor, Upshur3 hr
Jun 11, 2:25 PM EDTFlash Flood WarningRLXUpshur3 hr
Jun 11, 2:43 PM EDTSpecial Weather StatementRLXDoddridge62 min
Jun 11, 2:50 PM EDTFlash Flood WarningRLXDoddridge, Harrison3 hr
Jun 11, 3:02 PM EDTSpecial Weather StatementRLXCabell, Wayne58 min
Jun 11, 3:26 PM EDTFlash Flood WarningRLXBraxton, Lewis, Upshur6 hr
Jun 11, 3:31 PM EDTSpecial Weather StatementRLXLincoln, Putnam59 min
Jun 11, 3:56 PM EDTFlash Flood Warning Considerable damage threatRLXBoone, Kanawha, Lincoln, Logan, Wayne5 hr
Jun 11, 4:35 PM EDTSpecial Weather StatementRLXBoone, Kanawha, Logan55 min
Jun 11, 4:52 PM EDTFlash Flood WarningRLXBoone, Kanawha3 hr
Jun 11, 5:03 PM EDTSpecial Weather StatementRLXRitchie57 min
Jun 11, 5:11 PM EDTSpecial Weather StatementRLXGilmer49 min
Jun 11, 5:14 PM EDTFlash Flood WarningRLXCalhoun, Gilmer, Ritchie4 hr
Jun 11, 5:22 PM EDTSpecial Weather StatementRLXFayette23 min
Jun 11, 5:29 PM EDTFlash Flood WarningRLXRitchie3 hr
Jun 11, 5:37 PM EDTFlash Flood WarningRLXLogan, Mingo2 hr
Jun 11, 5:43 PM EDTFlash Flood WarningRLXLogan, Wyoming2 hr
Jun 11, 5:47 PM EDTFlash Flood WarningRLXBraxton, Calhoun, Clay, Gilmer3 hr
Jun 11, 6:04 PM EDTAreal Flood WarningRLXHarrison3 hr
Jun 11, 6:59 PM EDTFlash Flood WarningRLXBraxton, Gilmer, Lewis4 hr
Jun 11, 7:21 PM EDTSpecial Weather StatementRLXNicholas54 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.