Alert archive / West Virginia / Flash Flood Warnings in 2012

Flash Flood Warning 38, NWS Charleston, WV

August 9, 2012Barbour County, Randolph County, West Virginia

NWS Charleston, WV issued this flash flood warning at Aug 9, 2012, 3:14 PM EDT for Barbour County, Randolph 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
Aug 9, 2012, 3:14 PM EDT (19:14 UTC)
Expired
Aug 9, 2012, 5:15 PM EDT
In force
2 hr
Issued by
NWS Charleston, WV
Area
Storm-based polygon
Flood severity
None

Counties Barbour County, WV, Randolph County, WV

The radar

The Pittsburgh radar (KPBZ), 172 km from the middle of the area, began a volume at 19:14 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

Pittsburgh, PA (KAGC), launched 12:00Z, 7.2 hours before the alert went out and 157 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 2012-08-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 769 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 2012-08-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 76 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
769 J/kg
Mixed-layer CIN
-97 J/kg
Mixed-layer LCL
1021 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
76 m²/s²
0-3 km storm-relative helicity
102 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.8

Open this sounding in Storm Lab

The text

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

559 
WGUS51 KRLX 091914
FFWRLX
WVC001-083-092215-
/O.NEW.KRLX.FF.W.0038.120809T1914Z-120809T2215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CHARLESTON WV
314 PM EDT THU AUG 9 2012

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHEASTERN BARBOUR COUNTY IN WEST VIRGINIA...
  NORTH CENTRAL RANDOLPH COUNTY IN WEST VIRGINIA...
  THIS INCLUDES THE CITY OF ELKINS...

* UNTIL 615 PM EDT

* AT 309 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  VERY HEAVY RAIN FROM VERY SLOW MOVING THUNDERSTORMS OVER THE       
  WARNED AREA.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO BELINGTON

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.

MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO
AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE USUALLY
DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS POWERFUL
ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING FLOODED
ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN.

&&

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

LAT...LON 3879 7994 3891 8006 3917 7983 3916 7982
      3913 7983 3908 7977 3904 7977 3903 7972
      3902 7972

$$

16
1 follow-up statement
669 
WGUS71 KRLX 092115
FFSRLX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
515 PM EDT THU AUG 9 2012

WVC001-083-092118-
/O.CAN.KRLX.FF.W.0038.000000T0000Z-120809T2215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
RANDOLPH WV-BARBOUR WV-
515 PM EDT THU AUG 9 2012

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR SOUTHEASTERN
BARBOUR AND NORTH CENTRAL RANDOLPH COUNTIES...

HEAVY RAIN HAS MOVED OUT OF THE AREA AS A RESULT THE FLASH FLOOD 
WARNING HAS BEEN CANCELLED. 

WHILE THE RAIN HAS MOVED OUT OF THE AREA...HIGH WATER MAY STILL 
REMAIN ON LOCAL CREEKS AND STREAMS...AND IN POOR DRAINAGE AND LOW 
LYING AREAS...ESPECIALLY IN THE VICINITY OF ROUTE 250/14 NORTH OF US 
33 IN NORTHEASTERN RANDOLPH COUNTY.

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 3879 7994 3891 8006 3917 7983 3916 7982
      3913 7983 3908 7977 3904 7977 3903 7972
      3902 7972

$$

16

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 8, 8:15 PM EDTSpecial Weather StatementRLXDoddridge, Harrison30 min
Aug 8, 8:49 PM EDTSpecial Weather StatementRLXDoddridge, Harrison26 min
Aug 8, 9:18 PM EDTSpecial Weather StatementRLXBarbour, Harrison, Taylor27 min
Aug 8, 11:52 PM EDTSpecial Weather StatementRLXGilmer23 min
Aug 9, 12:01 AM EDTSevere Thunderstorm WarningRLXBraxton, Gilmer, Lewis29 min
Aug 9, 3:07 PM EDTSpecial Weather StatementRLXBarbour23 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.