Alert archive / West Virginia / Flash Flood Warnings in 2012

Flash Flood Warning 9, NWS Charleston, WV

March 15, 2012Gallia County, Jackson County, Lawrence County, Ohio; 4 counties in West Virginia

NWS Charleston, WV issued this flash flood warning at Mar 15, 2012, 12:22 PM EDT for Gallia County, Jackson County, Lawrence County, Ohio; 4 counties in West Virginia. It was in force for 113 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
Mar 15, 2012, 12:22 PM EDT (16:22 UTC)
Expired
Mar 15, 2012, 2:15 PM EDT
In force
113 min
Issued by
NWS Charleston, WV
Area
Storm-based polygon
Flood severity
None

Counties Gallia County, OH, Jackson County, OH, Lawrence County, OH, Cabell County, WV, Mason County, WV, Putnam County, WV, Wayne County, WV

The radar

The Charleston,WV radar (KRLX), 57 km from the middle of the area, began a volume at 16:25 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, 4.4 hours before the alert went out and 162 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 2012-03-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1236 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 2012-03-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 133 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
1236 J/kg
Mixed-layer CIN
-110 J/kg
Mixed-layer LCL
1005 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
133 m²/s²
0-3 km storm-relative helicity
137 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.2

Open this sounding in Storm Lab

The text

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

185 
WGUS51 KRLX 151622
FFWRLX
OHC053-079-087-WVC011-053-079-099-151815-
/O.NEW.KRLX.FF.W.0009.120315T1622Z-120315T1815Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CHARLESTON WV
1222 PM EDT THU MAR 15 2012

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CABELL COUNTY IN WEST VIRGINIA...
  THIS INCLUDES THE CITY OF HUNTINGTON...
  SOUTHWESTERN MASON COUNTY IN WEST VIRGINIA...
  WEST CENTRAL PUTNAM COUNTY IN WEST VIRGINIA...
  NORTHEASTERN WAYNE COUNTY IN WEST VIRGINIA...
  SOUTHERN GALLIA COUNTY IN SOUTHEAST OHIO...
  THIS INCLUDES THE CITY OF GALLIPOLIS...
  EXTREME SOUTHEASTERN JACKSON COUNTY IN SOUTHEAST OHIO...
  EASTERN LAWRENCE COUNTY IN SOUTHEAST OHIO...
  THIS INCLUDES THE CITIES OF...PROCTORVILLE...CHESAPEAKE...

* UNTIL 215 PM EDT

* AT 1218 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 ASHTON...
  GALLOPOLIS FERRY...FRAZIERS BOTTOM...GREEN BOTTOM...GAGE...
  CENTERPOINT...GALLIA...WATERLOO...VERNON...SCOTTOWN...AID...CROWN
  CITY AND ATHALIA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

ADDITIONAL RAINFALL AMOUNTS OF HALF AN INCH TO AN INCH ARE POSSIBLE 
IN THE WARNED AREA OVER THE NEXT TWO HOURS.

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 UNDERESTIMATE THE POWER OF FLOOD WATERS. ONLY A FEW INCHES OF
RAPIDLY FLOWING WATER CAN QUICKLY CARRY AWAY YOUR VEHICLE.

TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY
YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN 
CHARLESTON.

&&

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

LAT...LON 3887 8271 3885 8219 3841 8187 3839 8190
      3836 8191 3838 8204 3837 8209 3834 8215
      3834 8218 3819 8230 3875 8267 3884 8266
      3885 8270

$$
2 follow-up statements
760 
WGUS71 KRLX 151722
FFSRLX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
122 PM EDT THU MAR 15 2012

OHC053-079-087-WVC011-053-079-099-151815-
/O.CON.KRLX.FF.W.0009.000000T0000Z-120315T1815Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GALLIA OH-JACKSON OH-LAWRENCE OH-PUTNAM WV-MASON WV-CABELL WV-
WAYNE WV-
122 PM EDT THU MAR 15 2012

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 215 PM EDT FOR
EASTERN LAWRENCE...EXTREME SOUTHEASTERN JACKSON AND SOUTHERN GALLIA
COUNTIES IN SOUTHEAST OHIO...AND NORTHEASTERN WAYNE...CABELL...
SOUTHWESTERN MASON AND WEST CENTRAL PUTNAM COUNTIES IN WEST
VIRGINIA...

AT 118 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A CLUSTER OF THUNDERSTORMS PRODUCING VERY HEAVY RAIN OVER 
THE WARNED AREA.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO GALLIPOLIS

PRECAUTIONARY/PREPAREDNESS ACTIONS...

ADDITIONAL RAINFALL AMOUNTS OF QUARTER TO HALF AN INCH ARE POSSIBLE 
IN THE WARNED AREA OVER THE NEXT HOUR.

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 UNDERESTIMATE THE POWER OF FLOOD WATERS. ONLY A FEW INCHES OF
RAPIDLY FLOWING WATER CAN QUICKLY CARRY AWAY YOUR VEHICLE.

TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY
YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN
CHARLESTON.

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 3887 8271 3885 8219 3841 8187 3839 8190
      3836 8191 3838 8204 3837 8209 3834 8215
      3834 8218 3819 8230 3875 8267 3884 8266
      3885 8270

$$
236 
WGUS71 KRLX 151813
FFSRLX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
213 PM EDT THU MAR 15 2012

OHC053-079-087-WVC011-053-079-099-151817-
/O.EXP.KRLX.FF.W.0009.000000T0000Z-120315T1815Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GALLIA OH-JACKSON OH-LAWRENCE OH-PUTNAM WV-MASON WV-CABELL WV-
WAYNE WV-
213 PM EDT THU MAR 15 2012

...THE FLASH FLOOD WARNING WILL EXPIRE AT 215 PM EDT FOR EASTERN
LAWRENCE...EXTREME SOUTHEASTERN JACKSON AND SOUTHERN GALLIA COUNTIES
IN SOUTHEAST OHIO...AND NORTHEASTERN WAYNE...CABELL...SOUTHWESTERN
MASON AND WEST CENTRAL PUTNAM COUNTIES IN WEST VIRGINIA...

HEAVY RAIN IS NO LONGER ANTICIPATED...THEREFORE THE FLASH FLOOD 
WARNING THAT WAS IN EFFECT HAS BEEN ALLOWED TO EXPIRE. 
HOWEVER...RUNOFF MAY STILL CAUSE HIGH WATER TO LINGER IN THE USUAL 
LOW WATER CROSSINGS.

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 3887 8271 3885 8219 3841 8187 3839 8190
      3836 8191 3838 8204 3837 8209 3834 8215
      3834 8218 3819 8230 3875 8267 3884 8266
      3885 8270

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 15, 4:27 AM EDTSevere Thunderstorm WarningRLXLawrence50 min
Mar 15, 6:45 AM EDTSpecial Weather StatementRLXPerry3 hr
Mar 15, 9:37 AM EDTFlash Flood WatchRLXAthens, Gallia, Jackson, Lawrence, Meigs, Morgan and 2 more12 hr
Mar 15, 7:24 AM EDTSpecial Weather StatementRLXBoone, Kanawha, Lincoln, Putnam66 min
Mar 15, 7:43 AM EDTSevere Thunderstorm WarningRLXCabell, Mason, Putnam32 min
Mar 15, 7:57 AM EDTSevere Thunderstorm WarningRLXCabell, Kanawha, Lincoln, Putnam33 min
Mar 15, 8:35 AM EDTSpecial Weather StatementRLXBoone, Kanawha, Logan, Mingo70 min
Mar 15, 9:10 AM EDTSevere Thunderstorm WarningRLXLogan, Mingo35 min
Mar 15, 9:44 AM EDTFlash Flood WarningRLXBoone, Lincoln, Logan, Mingo10 hr
Mar 15, 10:51 AM EDTFlash Flood WarningRLXLogan, McDowell, Mingo, Wyoming4 hr
Mar 15, 11:40 AM EDTSpecial Weather StatementRLXKanawha, Mason, Putnam65 min
Mar 15, 11:52 AM EDTFlash Flood WarningRLXLincoln, Putnam8 hr
Mar 15, 4:05 PM EDTFlash Flood WarningRLXLogan, Mingo4 hr

Nearby

Flash Flood Warnings in West Virginia, 2012Flash Flood Warnings in Ohio, 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.