Alert archive / West Virginia / Flash Flood Warnings in 2017

Flash Flood Warning 33, NWS Charleston, WV

June 23, 201712 counties in West Virginia; Lawrence County, Kentucky

NWS Charleston, WV issued this flash flood warning at Jun 23, 2017, 9:41 PM EDT for 12 counties in West Virginia; Lawrence County, Kentucky. It was in force for 3 hr. 2 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
Jun 23, 2017, 9:41 PM EDT (01:41 UTC)
Expired
Jun 24, 2017, 12:45 AM EDT
In force
3 hr
Issued by
NWS Charleston, WV
Area
Storm-based polygon
Flood severity
None

Counties Lawrence County, KY, Boone County, WV, Braxton County, WV, Clay County, WV, Fayette County, WV, Kanawha County, WV, Lincoln County, WV, Logan County, WV, Mingo County, WV, Nicholas County, WV, Raleigh County, WV, Wayne County, WV, Wyoming County, WV

The radar

The Charleston,WV radar (KRLX), 39 km from the middle of the area, began a volume at 01:42 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 23, 9:48 PM EDTFLASH FLOODW Louisa, KYKY 3394 WEST OF LOUISA IS FLOODED. OLD LICK ROAD IN LOUISA KENTUCKY IS FLOODED. KY 3395 WEST OF LOUISA ALSO FLOODED
Jun 23, 11:05 PM EDTFLASH FLOOD6 W Louisa, KYMULTIPLE COUNTY SECONDARY ROADS BEING FLOODED IN THE CENTRAL PART OF LAWRENCE COUNTY AND WATER STILL RISING.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Roanoke, VA (KRNK), launched 00:00Z, 1.7 hours before the alert went out and 229 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 00:00Z on 2017-06-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 257 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, Roanoke, VA at 00:00Z on 2017-06-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 174 square meters per square second.19395878Sfc1 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
257 J/kg
Mixed-layer CIN
-15 J/kg
Mixed-layer LCL
1110 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
174 m²/s²
0-3 km storm-relative helicity
210 m²/s²
Significant tornado parameter
0.2
Supercell composite
8.5

Open this sounding in Storm Lab

The text

As transmitted.

774 
WGUS51 KRLX 240141
FFWRLX
KYC127-WVC005-007-015-019-039-043-045-059-067-081-099-109-240445-
/O.NEW.KRLX.FF.W.0033.170624T0141Z-170624T0445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Charleston WV
941 PM EDT FRI JUN 23 2017

The National Weather Service in Charleston West Virginia has issued a

* Flash Flood Warning for...
  Lawrence County in northeastern Kentucky...
  Central Kanawha County in central West Virginia...
  Lincoln County in central West Virginia...
  Northwestern Wyoming County in southern West Virginia...
  Wayne County in western West Virginia...
  Western Nicholas County in southeastern West Virginia...
  Mingo County in southern West Virginia...
  Southwestern Braxton County in north central West Virginia...
  Northwestern Raleigh County in southeastern West Virginia...
  Logan County in southern West Virginia...
  Clay County in north central West Virginia...
  Fayette County in southeastern West Virginia...
  Boone County in central West Virginia...

* Until 1245 AM EDT

* At 940 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...
  Charleston, Summersville, Madison, Fayetteville, Louisa, Logan,
  Clay, Blaine, Babcock State Park, Yatesville Lake State Park, Oak
  Hill, Montgomery, Chesapeake, Marmet, Mount Hope, Ansted, Oceana,
  Belle, Chapmanville and Cedar Grove.

Additional rainfall amounts of 1 to 2 inches are possible in the 
warned area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Be especially cautious at night when it is harder to recognize the
dangers of flooding.

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 3814 8291 3825 8181 3850 8118 3872 8095
      3843 8081 3809 8077 3808 8089 3806 8080
      3802 8080 3752 8194 3755 8213 3765 8217
      3768 8228 3767 8229 3768 8229 3776 8231
      3795 8250 3795 8258 3789 8265 3804 8299

$$

21
1 follow-up statement
264 
WGUS71 KRLX 240448
FFSRLX

Flash Flood Statement
National Weather Service Charleston WV
1248 AM EDT SAT JUN 24 2017

KYC127-WVC005-007-015-019-039-043-045-059-067-081-099-109-240458-
/O.EXP.KRLX.FF.W.0033.000000T0000Z-170624T0445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Lawrence KY-Kanawha WV-Lincoln WV-Wyoming WV-Wayne WV-Nicholas WV-
Mingo WV-Braxton WV-Raleigh WV-Logan WV-Clay WV-Fayette WV-Boone WV-
1248 AM EDT SAT JUN 24 2017

...THE FLASH FLOOD WARNING FOR LAWRENCE...CENTRAL KANAWHA...
LINCOLN...NORTHWESTERN WYOMING...WAYNE...WESTERN NICHOLAS...MINGO...
SOUTHWESTERN BRAXTON...NORTHWESTERN RALEIGH...LOGAN...CLAY...FAYETTE
AND BOONE COUNTIES HAS EXPIRED...

The heavy rain has ended. Flooding is no longer expected to pose a
threat. Please continue to heed any remaining road closures.

LAT...LON 3814 8291 3825 8181 3850 8118 3872 8095
      3843 8081 3809 8077 3808 8089 3806 8080
      3802 8080 3752 8194 3755 8213 3765 8217
      3768 8228 3767 8229 3768 8229 3776 8231
      3795 8250 3795 8258 3789 8265 3804 8299

$$

21

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 23, 8:00 PM EDTFlash Flood WarningRLXCabell, Mason, Putnam, Wayne7 hr
Jun 23, 8:00 PM EDTSpecial Weather StatementRLXDoddridge, Harrison, Taylor45 min
Jun 23, 8:05 PM EDTTornado WarningRLXJackson10 min
Jun 23, 8:26 PM EDTFlash Flood WarningRLXCabell, Jackson, Kanawha, Lincoln, Mason, Putnam and 3 more4 hr
Jun 23, 8:35 PM EDTFlash Flood WarningRLXPutnam4 hr
Jun 23, 8:42 PM EDTSpecial Weather StatementRLXTaylor33 min
Jun 23, 9:19 PM EDTSpecial Weather StatementRLXBoone, Clay, Fayette, Kanawha, Lincoln, Logan and 2 more116 min
Jun 23, 9:24 PM EDTFlash Flood WarningRLXCalhoun, Doddridge, Gilmer, Harrison, Lewis, Ritchie and 2 more3 hr
Jun 23, 10:28 PM EDTSpecial Weather StatementRLXMcDowell92 min
Jun 23, 10:48 PM EDTSpecial Weather StatementRLXRaleigh, Wyoming72 min
Jun 23, 11:06 PM EDTSpecial Weather StatementRLXBarbour, Braxton, Lewis, Pocahontas, Randolph, Taylor and 2 more114 min
Jun 24, 2:55 AM EDTAreal Flood WarningRLXCabell, Wayne3 hr
Jun 24, 6:11 AM EDTAreal Flood WarningRLXWood18 hr
Jun 24, 1:20 AM EDTRiver Flood WarningRLXCarter, Greenup17 hr
Jun 24, 6:00 AM EDTAreal Flood WarningRLXBoyd, Carter, Greenup3 hr
Jun 24, 8:50 AM EDTAreal Flood WarningRLXBoyd, Carter, Greenup18 hr

Nearby

Flash Flood Warnings in West Virginia, 2017Flash Flood Warnings in Kentucky, 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.