Alert archive / West Virginia / Flash Flood Warnings in 2012

Flash Flood Warning 19, NWS Charleston, WV

May 5, 2012Braxton County, Gilmer County, West Virginia

NWS Charleston, WV issued this flash flood warning at May 5, 2012, 11:52 AM EDT for Braxton County, Gilmer County, West Virginia. It was in force for 3 hr. 1 report 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
May 5, 2012, 11:52 AM EDT (15:52 UTC)
Expired
May 5, 2012, 2:45 PM EDT
In force
3 hr
Issued by
NWS Charleston, WV
Area
Storm-based polygon
Flood severity
None

Counties Braxton County, WV, Gilmer County, WV

The radar

The Charleston,WV radar (KRLX), 97 km from the middle of the area, began a volume at 15:52 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
May 5, 2:15 PM EDTFLASH FLOODCedarville, WVROCK SLIDE REPORTED NEAR CEDARVILLE CLOSING THE ROADWAY...NO ROAD NAME WAS GIVEN AT THE TIME OF THIS REPORT.

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

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 3.9 hours before the alert went out and 187 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 12:00Z on 2012-05-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 60 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, Pittsburgh, PA at 12:00Z on 2012-05-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -7 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
60 J/kg
Mixed-layer CIN
-51 J/kg
Mixed-layer LCL
598 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
-7 m²/s²
0-3 km storm-relative helicity
24 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.

465 
WGUS51 KRLX 051552
FFWRLX
WVC007-021-051845-
/O.NEW.KRLX.FF.W.0019.120505T1552Z-120505T1845Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CHARLESTON WV
1152 AM EDT SAT MAY 5 2012

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTH CENTRAL BRAXTON COUNTY IN WEST VIRGINIA...
  SOUTH CENTRAL GILMER COUNTY IN WEST VIRGINIA...

* UNTIL 245 PM EDT

* AT 1142 AM 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 
CEDARVILLE. THIS WARNING ALSO INCLUDES CEDAR CREEK...BUTCHERS 
RUN...BULL RUN AND TOMS RUN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

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

LAT...LON 3885 8090 3889 8080 3880 8072 3875 8083

$$

25
2 follow-up statements
613 
WGUS71 KRLX 051726
FFSRLX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
126 PM EDT SAT MAY 5 2012

WVC007-021-051845-
/O.CON.KRLX.FF.W.0019.000000T0000Z-120505T1845Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GILMER WV-BRAXTON WV-
126 PM EDT SAT MAY 5 2012

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 245 PM EDT FOR NORTH
CENTRAL BRAXTON AND SOUTH CENTRAL GILMER COUNTIES...

AT 115 PM EDT...PREVIOUS HEAVY RAINFALL OVER THE AREA WILL CAUSE 
STREAMS AND CREEKS TO CONTINUE TO RISE. 

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO 
CEDARVILLE. THIS WARNING ALSO INCLUDES CEDAR CREEK...BUTCHERS 
RUN...BULL RUN AND TOMS RUN. SOME FLOODING HAS BEEN REPORTED AROUND 
SAND FORK. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

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 3885 8090 3889 8080 3880 8072 3875 8083

$$

25
294 
WGUS71 KRLX 051840
FFSRLX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
240 PM EDT SAT MAY 5 2012

WVC007-021-051848-
/O.EXP.KRLX.FF.W.0019.000000T0000Z-120505T1845Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GILMER WV-BRAXTON WV-
240 PM EDT SAT MAY 5 2012

...THE FLASH FLOOD WARNING WILL EXPIRE AT 245 PM EDT FOR NORTH
CENTRAL BRAXTON AND SOUTH CENTRAL GILMER COUNTIES...

HEAVY RAIN HAS MOVED OUT OF THE AREA FOR NOW...THEREFORE THE FLASH 
FLOOD WARNING THAT WAS IN EFFECT HAS BEEN ALLOWED TO EXPIRE. 
ADDITIONAL SHOWERS OR THUNDERSTORMS REMAIN A POSSIBILITY THIS 
AFTERNOON. IF TRAINING OF THUNDERSTORMS OCCURS...THEN ADDITIONAL 
FLOODING COULD RESULT. THEREFORE YOU SHOULD STAY TUNED TO WEATHER 
INFORMATION IN CASE ADDITIONAL WARNINGS ARE NEEDED. 

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 3885 8090 3889 8080 3880 8072 3875 8083

$$

25

The office that day

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

IssuedProductOfficeCountiesLasted
May 4, 10:57 PM EDTSevere Thunderstorm WarningRLXMason48 min
May 4, 11:34 PM EDTSpecial Weather StatementRLXCabell, Jackson, Mason, Putnam, Roane, Wirt and 1 more3 hr
May 4, 11:50 PM EDTFlash Flood WarningRLXCabell, Jackson, Mason, Putnam5 hr
May 5, 12:23 AM EDTSpecial Weather StatementRLXCabell, Jackson, Putnam, Roane22 min
May 5, 12:58 AM EDTSpecial Weather StatementRLXKanawha, Lincoln32 min
May 5, 3:08 AM EDTSpecial Weather StatementRLXBraxton, Gilmer, Ritchie, Webster37 min
May 5, 4:00 AM EDTSpecial Weather StatementRLXBraxton, Gilmer, Lewis, Nicholas, Webster30 min
May 5, 4:55 PM EDTSpecial Weather StatementRLXRandolph110 min
May 5, 7:48 PM EDTSpecial Weather StatementRLXPleasants87 min

Nearby

Flash Flood Warnings in West Virginia, 2012Every flash flood warning in 2012

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.