Alert archive / West Virginia / Flash Flood Warnings in 2011

Flash Flood Warning 49, NWS Charleston, WV

September 3, 2011Kanawha County, Lincoln County, West Virginia

NWS Charleston, WV issued this flash flood warning at Sep 3, 2011, 6:59 PM EDT for Kanawha County, Lincoln County, West Virginia. It was in force for 2 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
Sep 3, 2011, 6:59 PM EDT (22:59 UTC)
Expired
Sep 3, 2011, 9:00 PM EDT
In force
2 hr
Issued by
NWS Charleston, WV
Area
Storm-based polygon
Flood severity
None

Counties Kanawha County, WV, Lincoln County, WV

The radar

The Charleston,WV radar (KRLX), 3 km from the middle of the area, began a volume at 23:02 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

Cncnati-Daytn, OH (KILN), launched 12:00Z, 11.0 hours before the alert went out and 217 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 2011-09-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2038 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 2011-09-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -45 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
2038 J/kg
Mixed-layer CIN
-76 J/kg
Mixed-layer LCL
1480 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
-45 m²/s²
0-3 km storm-relative helicity
-23 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

838 
WGUS51 KRLX 032259
FFWRLX
WVC039-043-040100-
/O.NEW.KRLX.FF.W.0049.110903T2259Z-110904T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CHARLESTON WV
659 PM EDT SAT SEP 3 2011

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CENTRAL KANAWHA COUNTY IN WEST VIRGINIA...
  THIS INCLUDES THE CITIES OF...NITRO...CHARLESTON...
  EXTREME NORTHEASTERN LINCOLN COUNTY IN WEST VIRGINIA...

* UNTIL 900 PM EDT

* AT 658 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  VERY HEAVY RAIN FROM A THUNDERSTORM OVER THE WARNED AREA.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO TORNADO...
  ST. ALBANS...SOUTH CHARLESTON...INSTITUTE...DUNBAR AND COAL FORK

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. MOVE TO HIGHER GROUND.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.

&&

PLEASE REPORT HIGH WATER TO THE NATIONAL WEATHER SERVICE BY CALLING
TOLL FREE...877-633-6772...WHEN YOU CAN DO SO SAFELY.

LAT...LON 3842 8186 3842 8152 3819 8148 3826 8187

$$

26
2 follow-up statements
171 
WGUS71 KRLX 040001
FFSRLX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
801 PM EDT SAT SEP 3 2011

WVC039-043-040100-
/O.CON.KRLX.FF.W.0049.000000T0000Z-110904T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LINCOLN WV-KANAWHA WV-
801 PM EDT SAT SEP 3 2011

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 900 PM EDT FOR
CENTRAL KANAWHA AND NORTHEASTERN LINCOLN COUNTIES...

AT 753 PM EDT...RAIN WAS STILL FALLING OVER THE WARNED AREA.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO TORNADO...ST.
ALBANS...SOUTH CHARLESTON...NITRO...INSTITUTE...DUNBAR AND 
CHARLESTON. STREAMS AND CREEKS AFFECTED INCLUDE BUT ARE NOT LIMITED 
TO DAVIS CREEK...LICK BRANCH...AND RAYS BRANCH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. MOVE TO HIGHER GROUND.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.

TURN AROUND DON'T DROWN. DO NOT DRIVE YOUR CAR ON FLOODED ROADWAYS.

PLEASE REPORT HIGH WATER TO THE NATIONAL WEATHER SERVICE BY CALLING
TOLL FREE 877-633-6772 WHEN YOU CAN DO SO SAFELY.

&&

LAT...LON 3842 8186 3842 8152 3819 8148 3826 8187

$$

26
729 
WGUS71 KRLX 040052
FFSRLX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
852 PM EDT SAT SEP 3 2011

WVC039-043-040100-
/O.EXP.KRLX.FF.W.0049.000000T0000Z-110904T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LINCOLN WV-KANAWHA WV-
852 PM EDT SAT SEP 3 2011

...THE FLASH FLOOD WARNING WILL EXPIRE AT 900 PM EDT FOR CENTRAL
KANAWHA AND NORTHEASTERN LINCOLN COUNTIES...

HEAVY RAIN IS NO LONGER ANTICIPATED...THEREFORE THE FLASH FLOOD
WARNING THAT WAS IN EFFECT HAS BEEN ALLOWED TO EXPIRE. STREAMS AND
CREEKS HAVE BEGUN TO RECEDE AND NO LONGER POSE A FLASH FLOOD THREAT.

HOWEVER...SOME AREA CREEKS...STREAMS...AND CULVERTS MAY REMAIN 
SWOLLEN OVER THE NEXT FEW HOURS INTO THE OVERNIGHT. 

TURN AROUND DON'T DROWN. DO NOT DRIVE YOUR CAR ON FLOODED ROADWAYS.

PLEASE REPORT HIGH WATER TO THE NATIONAL WEATHER SERVICE BY CALLING
TOLL FREE 877-633-6772 WHEN YOU CAN DO SO SAFELY.

LAT...LON 3842 8186 3842 8152 3819 8148 3826 8187

$$

26

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 3, 3:18 AM EDTHeat AdvisoryRLXBoone, Cabell, Jackson, Kanawha, Lincoln, Logan and 5 more17 hr
Sep 3, 2:39 PM EDTSpecial Weather StatementRLXMcDowell36 min
Sep 3, 3:28 PM EDTSpecial Weather StatementRLXWyoming32 min
Sep 3, 4:13 PM EDTSpecial Weather StatementRLXWyoming32 min
Sep 3, 4:29 PM EDTSpecial Weather StatementRLXWyoming31 min
Sep 3, 4:49 PM EDTSpecial Weather StatementRLXRaleigh56 min
Sep 3, 5:05 PM EDTFlash Flood WarningRLXRaleigh115 min
Sep 3, 5:18 PM EDTSpecial Weather StatementRLXMingo27 min
Sep 3, 5:40 PM EDTSevere Thunderstorm WarningRLXMingo, Wayne35 min
Sep 3, 5:58 PM EDTSpecial Weather StatementRLXClay32 min
Sep 3, 6:06 PM EDTSpecial Weather StatementRLXBoone24 min
Sep 3, 6:17 PM EDTSpecial Weather StatementRLXKanawha43 min
Sep 3, 6:21 PM EDTSevere Thunderstorm WarningRLXClay, Fayette, Nicholas39 min
Sep 3, 6:27 PM EDTSevere Thunderstorm WarningRLXKanawha48 min
Sep 3, 6:29 PM EDTSpecial Weather StatementRLXLincoln46 min
Sep 3, 6:34 PM EDTSevere Thunderstorm WarningRLXLincoln, Logan, Wayne56 min
Sep 3, 6:35 PM EDTSpecial Weather StatementRLXClay40 min
Sep 3, 7:18 PM EDTSpecial Weather StatementRLXPutnam27 min

Nearby

Flash Flood Warnings in West Virginia, 2011Every flash flood warning in 2011

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.