Alert archive / Ohio / Flash Flood Warnings in 2010

Flash Flood Warning 21, NWS Charleston, WV

May 18, 2010Athens County, Washington County, Ohio; Pleasants County, Wood County, West Virginia

NWS Charleston, WV issued this flash flood warning at May 18, 2010, 4:47 PM EDT for Athens County, Washington County, Ohio; Pleasants County, Wood County, West Virginia. It was in force for 88 min. 3 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
May 18, 2010, 4:47 PM EDT (20:47 UTC)
Expired
May 18, 2010, 6:15 PM EDT
In force
88 min
Issued by
NWS Charleston, WV
Area
Storm-based polygon
Flood severity
None

Counties Athens County, OH, Washington County, OH, Pleasants County, WV, Wood County, WV

The radar

The Charleston,WV radar (KRLX), 116 km from the middle of the area, began a volume at 20:50 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 18, 5:20 PM EDTFLOOD8 Ne Parkersburg, WVCR 16 OLD SAINT MARYS PIKE CLOSED DUE TO HIGH WATER.
May 18, 5:20 PM EDTFLOODParkersburg, WVROAD CLOSED DUE TO HIGH WATER AT JUNCTION OF PARK VIEW AND LAKEVIEW DRIVE.
May 18, 5:20 PM EDTFLASH FLOOD3 Ne Parkersburg, WVCOLLEGE PARKWAY BLOCKED OFF BY WATER AT ROSEMONT ROAD.

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, 8.8 hours before the alert went out and 174 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 2010-05-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2010-05-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 94 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
502 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
94 m²/s²
0-3 km storm-relative helicity
79 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.

968 
WGUS51 KRLX 182047
FFWRLX
OHC009-167-WVC073-107-182215-
/O.NEW.KRLX.FF.W.0021.100518T2047Z-100518T2215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CHARLESTON WV
447 PM EDT TUE MAY 18 2010

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  PLEASANTS COUNTY IN WEST VIRGINIA...
  NORTHERN WOOD COUNTY IN WEST VIRGINIA...
  THIS INCLUDES THE CITY OF PARKERSBURG...
  SOUTHEASTERN ATHENS COUNTY IN SOUTHEAST OHIO...
  THIS INCLUDES THE CITY OF COOLVILLE...
  SOUTHERN WASHINGTON COUNTY IN SOUTHEAST OHIO...
  THIS INCLUDES THE CITIES OF...MARIETTA...BELPRE...

* UNTIL 615 PM EDT

* AT 441 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
  SLOWLY MOVING LINE OF HEAVY SHOWERS AND EMBEDDED THUNDERSTORMS.    
  DOPPLER RADAR ESTIMATES A HALF INCH TO ONCE INCH OF RAIN HAS       
  FALLEN SINCE 4 PM...WITH LOCALLY IN EXCESS OF AN INCH. WITH THE    
  SOIL ALREADY VERY WET FROM RECENT RAINFALL...THIS NEW RAIN WILL    
  CAUSE RAPID AND SIGNIFICANT RISES ON CREEKS AND SMALL STREAMS.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO            
  PARKERSBURG...WILLIAMSTOWN...WASHINGTON...VIENNA...LUBECK AND BOAZ

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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...DON'T 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 3942 8185 3944 8145 3939 8127 3922 8133
      3919 8185

$$

09
2 follow-up statements
305 
WGUS71 KRLX 182139
FFSRLX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
539 PM EDT TUE MAY 18 2010

OHC009-167-WVC073-107-182215-
/O.CON.KRLX.FF.W.0021.000000T0000Z-100518T2215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ATHENS OH-WASHINGTON OH-WOOD WV-PLEASANTS WV-
539 PM EDT TUE MAY 18 2010

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 615 PM EDT FOR
PLEASANTS...NORTHERN WOOD...SOUTHERN WASHINGTON AND SOUTHEASTERN
ATHENS COUNTIES...

AT 535 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THAT A HALF INCH TO ONE FULL INCH OF RAIN HAS FALLEN SINCE 4PM 
ACROSS MOST OF THE WARNED AREA. WITH THE SOIL ALREADY VERY WET FROM 
RECENT RAINFALL...THIS NEW RAIN IS CAUSING RAPID AND SIGNIFICANT 
RISES ON CREEKS AND SMALL STREAMS. FLOODING OF ROADWAYS HAS BEEN 
REPORTED IN THE PARKERSBURG AREA.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO 
PARKERSBURG...MARIETTA...WILLIAMSTOWN AND BOAZ.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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...DON'T DROWN.

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 3942 8185 3944 8145 3939 8127 3922 8133
      3919 8185

$$

09
561 
WGUS71 KRLX 182215
FFSRLX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
615 PM EDT TUE MAY 18 2010

OHC009-167-WVC073-107-182221-
/O.EXP.KRLX.FF.W.0021.000000T0000Z-100518T2215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ATHENS OH-WASHINGTON OH-WOOD WV-PLEASANTS WV-
615 PM EDT TUE MAY 18 2010

...THE FLASH FLOOD WARNING WILL EXPIRE AT 615 PM EDT FOR PLEASANTS...
NORTHERN WOOD...SOUTHERN WASHINGTON AND SOUTHEASTERN ATHENS
COUNTIES...

AT 611 PM EDT...NATIONAL WEATHER SERVICE DOPPLER ESTIMATED THAT UP 
TO AN INCH OF RAIN HAS FALLEN SINCE 4PM...BUT THE HEAVY RAIN HAS 
ENDED. THEREFORE THE FLASH FLOOD WARNING THAT WAS IN EFFECT HAS BEEN 
ALLOWED TO EXPIRE. THOUGH STREAMS AND CREEKS ARE BEGINNING TO 
RECEDE...ELEVATED LEVELS CAN STILL BE EXPECTED TO LINGER INTO THE 
EVENING.

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 3942 8185 3944 8145 3939 8127 3922 8133
      3919 8185

$$

09

The office that day

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

IssuedProductOfficeCountiesLasted
May 17, 8:49 PM EDTFlash Flood WarningRLXMcDowell, Wyoming116 min
May 18, 2:21 AM EDTFlash Flood WarningRLXLogan, Mingo84 min
May 18, 3:03 AM EDTFlash Flood WarningRLXLogan87 min
May 18, 5:49 AM EDTFlash Flood WarningRLXPleasants, Ritchie116 min
May 18, 3:46 PM EDTFlash Flood WarningRLXRitchie, Wirt89 min

Nearby

Flash Flood Warnings in Ohio, 2010Flash Flood Warnings in West Virginia, 2010Every flash flood warning in 2010

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.