Alert archive / West Virginia / Flash Flood Warnings in 2017

Flash Flood Warning 46, NWS Charleston, WV

July 28, 20176 counties in West Virginia; Lawrence County, Ohio

NWS Charleston, WV issued this flash flood warning at Jul 28, 2017, 2:31 PM EDT for 6 counties in West Virginia; Lawrence County, Ohio. It was in force for 3 hr. 3 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 28, 2017, 2:31 PM EDT (18:31 UTC)
Expired
Jul 28, 2017, 5:30 PM EDT
In force
3 hr
Issued by
NWS Charleston, WV
Area
Storm-based polygon
Flood severity
None

Counties Lawrence County, OH, Cabell County, WV, Kanawha County, WV, Lincoln County, WV, Mason County, WV, Putnam County, WV, Wayne County, WV

The radar

The Charleston,WV radar (KRLX), 29 km from the middle of the area, began a volume at 18:34 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 28, 2:45 PM EDTFLASH FLOOD5 Se Huntington, WVWATER FLOWING DOWN ARLINGTON BLVD NEAR RT 60. VIA TWITTER WITH VIDEO AND PICTURES.
Jul 28, 3:00 PM EDTFLASH FLOOD3 Ene Huntington, WV5TH AVENUE NEAR 25TH STREET CLOSED DUE TO HIGH WATER
Jul 28, 3:30 PM EDTFLASH FLOOD1 E The Ridge Estates, WVPOPLAR FORK OUT OF ITS BANKS FLOODING RT 33 NEAR BP STATION

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, 6.5 hours before the alert went out and 190 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 2017-07-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 165 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 2017-07-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -18 square meters per square second.193958Sfc1 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
165 J/kg
Mixed-layer CIN
-196 J/kg
Mixed-layer LCL
720 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
-18 m²/s²
0-3 km storm-relative helicity
42 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-0.3

Open this sounding in Storm Lab

The text

As transmitted.

834 
WGUS51 KRLX 281831
FFWRLX
OHC087-WVC011-039-043-053-079-099-282130-
/O.NEW.KRLX.FF.W.0046.170728T1831Z-170728T2130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Charleston WV
231 PM EDT FRI JUL 28 2017

The National Weather Service in Charleston West Virginia has issued a

* Flash Flood Warning for...
  Southeastern Lawrence County in southeastern Ohio...
  Southern Mason County in western West Virginia...
  Cabell County in central West Virginia...
  West central Kanawha County in central West Virginia...
  Southern Putnam County in western West Virginia...
  Northern Lincoln County in central West Virginia...
  North central Wayne County in western West Virginia...

* Until 530 PM EDT

* At 230 PM EDT, Doppler radar and automated rain gauges indicated
  thunderstorms producing heavy rain across the warned area. Up to
  one inch of rain has already fallen. Flash flooding is expected to
  begin shortly.

* Some locations that will experience flooding include...
  Huntington, Nitro, Hamlin, Chesapeake, Proctorville, St. Albans,
  Hurricane, Barboursville, Milton, Poca, Cross Lanes, Ona, Culloden,
  Tornado, Teays Valley, Alum Creek, West Hamlin, Athalia, Sweetland
  and Salt Rock.

Additional rainfall amounts of 0.50 to 1.00 inches are possible in 
the warned area.

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 3846 8171 3821 8196 3839 8253 3859 8224

$$

21
2 follow-up statements
644 
WGUS71 KRLX 282016
FFSRLX

Flash Flood Statement
National Weather Service Charleston WV
416 PM EDT FRI JUL 28 2017

OHC087-WVC011-039-043-053-079-099-282130-
/O.CON.KRLX.FF.W.0046.000000T0000Z-170728T2130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Lawrence OH-Mason WV-Cabell WV-Kanawha WV-Putnam WV-Lincoln WV-
Wayne WV-
416 PM EDT FRI JUL 28 2017

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 530 PM EDT FOR
SOUTHEASTERN LAWRENCE...SOUTHERN MASON...CABELL...WEST CENTRAL
KANAWHA...SOUTHERN PUTNAM...NORTHERN LINCOLN AND NORTH CENTRAL WAYNE
COUNTIES...

At 412 PM EDT, Doppler radar and automated rain gauges indicated 
thunderstorms produced a very rapid one to one half inch of rain. 
There have been several reports of creeks out of their banks, and/or 
roadways flooded. The heavy rain has moved out of the water, however 
high water in low spots may linger for the next hour or so. Heed any 
road closures and do not drive through flooded roadways.

Some locations that will experience flooding include...
Huntington, Nitro, Hamlin, Chesapeake, Proctorville, St. Albans,
Hurricane, Barboursville, Milton, Poca, Cross Lanes, Ona, Culloden,
Tornado, Teays Valley, Alum Creek, West Hamlin, Athalia, Sweetland
and Salt Rock.

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 3846 8171 3821 8196 3839 8253 3859 8224

$$

16
636 
WGUS71 KRLX 282123
FFSRLX

Flash Flood Statement
National Weather Service Charleston WV
523 PM EDT FRI JUL 28 2017

OHC087-WVC011-039-043-053-079-099-282132-
/O.EXP.KRLX.FF.W.0046.000000T0000Z-170728T2130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Lawrence OH-Mason WV-Cabell WV-Kanawha WV-Putnam WV-Lincoln WV-
Wayne WV-
523 PM EDT FRI JUL 28 2017

...THE FLASH FLOOD WARNING FOR SOUTHEASTERN LAWRENCE...SOUTHERN
MASON...CABELL...WEST CENTRAL KANAWHA...SOUTHERN PUTNAM...NORTHERN
LINCOLN AND NORTH CENTRAL WAYNE COUNTIES WILL EXPIRE AT 530 PM EDT...

The heavy rain has ended. There are some scattered showers that will 
move through this evening, however additional flooding is not 
expected. Please continue to heed any remaining road closures.

LAT...LON 3846 8171 3821 8196 3839 8253 3859 8224

$$

16

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 28, 1:00 PM EDTSpecial Weather StatementRLXCabell, Putnam2 hr
Jul 28, 1:58 PM EDTSpecial Weather StatementRLXCabell, Kanawha, Putnam62 min
Jul 28, 2:02 PM EDTSpecial Weather StatementRLXCabell, Kanawha, Putnam58 min
Jul 28, 2:55 PM EDTSpecial Weather StatementRLXKanawha50 min

Nearby

Flash Flood Warnings in West Virginia, 2017Flash Flood Warnings in Ohio, 2017Every flash flood warning in 2017

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.