Alert archive / West Virginia / Flash Flood Warnings in 2011

Flash Flood Warning 48, NWS Charleston, WV

September 3, 2011Raleigh County, West Virginia

NWS Charleston, WV issued this flash flood warning at Sep 3, 2011, 5:05 PM EDT for Raleigh County, West Virginia. It was in force for 115 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
Sep 3, 2011, 5:05 PM EDT (21:05 UTC)
Expired
Sep 3, 2011, 7:00 PM EDT
In force
115 min
Issued by
NWS Charleston, WV
Area
Storm-based polygon
Flood severity
None

County Raleigh County, WV

The radar

The Charleston,WV radar (KRLX), 82 km from the middle of the area, began a volume at 21:08 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, 9.1 hours before the alert went out and 152 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 2011-09-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1125 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 2011-09-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 104 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
1125 J/kg
Mixed-layer CIN
-63 J/kg
Mixed-layer LCL
471 m above ground
0-6 km bulk shear
6 kt
0-1 km storm-relative helicity
104 m²/s²
0-3 km storm-relative helicity
116 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.

588 
WGUS51 KRLX 032105
FFWRLX
WVC081-032300-
/O.NEW.KRLX.FF.W.0048.110903T2105Z-110903T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

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

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  EAST CENTRAL RALEIGH COUNTY IN WEST VIRGINIA...

* UNTIL 700 PM EDT

* AT 455 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  VERY HEAVY RAIN FROM A THUNDERSTORM OVER THE WARNED AREA.

* THE STORM PRODUCING VERY HEAVY RAIN WILL OTHERWISE REMAIN OVER   
MAINLY RURAL AREAS OF THE INDICATED COUNTY. THE GLADE CREEK BASIN 
HAS RECEIVED A DOPPLER RADAR ESTIMATED 2 TO 3 INCHES OF RAIN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE
BANKS OF CREEKS AND STREAMS.

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 3785 8111 3782 8098 3774 8097 3774 8110

$$

26
2 follow-up statements
889 
WGUS71 KRLX 032214
FFSRLX

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

WVC081-032300-
/O.CON.KRLX.FF.W.0048.000000T0000Z-110903T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
RALEIGH WV-
614 PM EDT SAT SEP 3 2011

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 700 PM EDT FOR EAST
CENTRAL RALEIGH COUNTY...

AT 611 PM EDT...HEAVY RAIN CONTINUES OVER THE WARNED AREA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE
BANKS OF CREEKS AND STREAMS.

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 3785 8111 3782 8098 3774 8097 3774 8110

$$

26
095 
WGUS71 KRLX 032301
FFSRLX

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

WVC081-032310-
/O.EXP.KRLX.FF.W.0048.000000T0000Z-110903T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
RALEIGH WV-
701 PM EDT SAT SEP 3 2011

...THE FLASH FLOOD WARNING HAS EXPIRED FOR EAST CENTRAL RALEIGH
COUNTY...

HEAVY RAIN HAS MOVED OUT OF THE WARNED AREA...WITH LITTLE ADDITIONAL 
RAINFALL EXPECTED THIS EVENING. THUS...THE FLASH FLOOD WARNING HAS 
BEEN ALLOWED TO EXPIRE.

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 3785 8111 3782 8098 3774 8097 3774 8110

$$

05

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, 5:18 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, 6:59 PM EDTFlash Flood WarningRLXKanawha, Lincoln2 hr
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.