Alert archive / Ohio / Flash Flood Warnings in 2011

Flash Flood Warning 31, NWS Charleston, WV

June 21, 2011Gallia County, Jackson County, Lawrence County, Ohio; Greenup County, Kentucky

NWS Charleston, WV issued this flash flood warning at Jun 21, 2011, 7:56 PM EDT for Gallia County, Jackson County, Lawrence County, Ohio; Greenup County, Kentucky. It was in force for 4 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
Jun 21, 2011, 7:56 PM EDT (23:56 UTC)
Expired
Jun 21, 2011, 11:45 PM EDT
In force
4 hr
Issued by
NWS Charleston, WV
Area
Storm-based polygon
Flood severity
None

Counties Greenup County, KY, Gallia County, OH, Jackson County, OH, Lawrence County, OH

The radar

The Charleston,WV radar (KRLX), 100 km from the middle of the area, began a volume at 23:59 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, 11.9 hours before the alert went out and 118 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 2011-06-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2237 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 2011-06-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -49 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
2237 J/kg
Mixed-layer CIN
-49 J/kg
Mixed-layer LCL
911 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
-49 m²/s²
0-3 km storm-relative helicity
2 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.

267 
WGUS51 KRLX 212356
FFWRLX
KYC089-OHC053-079-087-220345-
/O.NEW.KRLX.FF.W.0031.110621T2356Z-110622T0345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CHARLESTON WV
756 PM EDT TUE JUN 21 2011

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  GREENUP COUNTY IN KENTUCKY...
  WEST CENTRAL GALLIA COUNTY IN SOUTHEAST OHIO...
  JACKSON COUNTY IN SOUTHEAST OHIO...
  THIS INCLUDES THE CITIES OF...WELLSTON...OAK HILL...JACKSON...
  NORTHWESTERN LAWRENCE COUNTY IN SOUTHEAST OHIO...

* UNTIL 1145 PM EDT

* AT 745 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  OCCASIONAL DOWNPOURS FROM REPETITIVE SHOWERS AND THUNDERSTORMS 
  SINCE 6 PM.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO LOAD...
  LETITIA...SOUTH SHORE...GREENUP...OAK HILL.  IN GREENUP
  COUNTY...STREAMS SUCH AS SCHULTZ CREEK...BRUSHY CREEK...
  WHITE OAK CREEK...AND THE LOWER PORTION OF TYGARTS CREEK...
  HAVE LIKELY SEEN 2 TO 3 INCHES OF RAIN. IN JACKSON
  COUNTY OHIO...THE HEADWATERS OF SYMMES CREEK IS INCLUDED IN THE
  WARNING.   

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 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 3865 8278 3869 8276 3868 8272 3875 8270
      3876 8267 3884 8266 3885 8277 3895 8277
      3911 8261 3914 8243 3885 8246 3862 8275
      3865 8278 3865 8284

$$

22
2 follow-up statements
532 
WGUS71 KRLX 220217
FFSRLX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
1017 PM EDT TUE JUN 21 2011

KYC089-OHC053-079-087-220345-
/O.CON.KRLX.FF.W.0031.000000T0000Z-110622T0345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GREENUP KY-GALLIA OH-JACKSON OH-LAWRENCE OH-
1017 PM EDT TUE JUN 21 2011

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1145 PM EDT FOR
GREENUP COUNTY IN KENTUCKY...AND NORTHWESTERN LAWRENCE...JACKSON AND
WEST CENTRAL GALLIA COUNTIES IN SOUTHEAST OHIO...

AT 1007 PM EDT...ADDITIONAL ROUNDS OF SHOWERS AND THUNDERSTORMS WERE 
MOVING THROUGH THE AREA.  HOPEFULLY...THIS LATE EVENING ROUND OF 
RAIN WILL DIMINISH BETWEEN 11 PM AND MIDNIGHT.

THE HEAVIEST RAIN HAS FALLEN OVER WESTERN GREENUP COUNTY KENTUCKY.  
LOCALIZED RAIN AMOUNTS AROUND 2.5 TO 3 INCHES HAVE BEEN ESTIMATED 
SINCE 6 PM.  THE STREAM BASINS OF SCHULTZ CREEK...BRUSHY
CREEK...AND WHITE OAK CREEK...AND THE LOWER PORTION OF TYGARTS CREEK
WERE THE HARDEST HIT.  IN JACKSON COUNTY...THE MOST DOWNPOURS  
OCCURRED BETWEEN OAK HILL AND THE TOWN OF JACKSON.
 
BE EXTRA CAUTIOUS DRIVING AT NIGHT.  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 3865 8278 3869 8276 3868 8272 3875 8270
      3876 8267 3884 8266 3885 8277 3895 8277
      3911 8261 3914 8243 3885 8246 3862 8275
      3865 8278 3865 8284

$$

22
320 
WGUS71 KRLX 220338
FFSRLX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
1138 PM EDT TUE JUN 21 2011

KYC089-OHC053-079-087-220347-
/O.EXP.KRLX.FF.W.0031.000000T0000Z-110622T0345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GREENUP KY-GALLIA OH-JACKSON OH-LAWRENCE OH-
1138 PM EDT TUE JUN 21 2011

...THE FLASH FLOOD WARNING WILL EXPIRE AT 1145 PM EDT FOR GREENUP
COUNTY IN KENTUCKY...AND NORTHWESTERN LAWRENCE...JACKSON AND WEST
CENTRAL GALLIA COUNTIES IN SOUTHEAST OHIO...

HEAVY RAIN HAS PULLED TO THE NORTH AND EAST. THEREFORE THE FLASH 
FLOOD WARNING...THAT WAS IN EFFECT...HAS BEEN ALLOWED TO EXPIRE. 

MORE SHOWERS OR STORMS COULD OCCUR ON WEDNESDAY AND WEDNESDAY 
EVENING.

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

LAT...LON 3865 8278 3869 8276 3868 8272 3875 8270
      3876 8267 3884 8266 3885 8277 3895 8277
      3911 8261 3914 8243 3885 8246 3862 8275
      3865 8278 3865 8284

$$

22

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 21, 4:53 PM EDTSpecial Weather StatementRLXLawrence22 min
Jun 21, 5:19 PM EDTSpecial Weather StatementRLXLawrence26 min
Jun 21, 5:25 PM EDTSevere Thunderstorm WarningRLXLawrence50 min
Jun 21, 6:09 PM EDTSpecial Weather StatementRLXGallia, Jackson36 min
Jun 21, 6:26 PM EDTSevere Thunderstorm WarningRLXAthens, Gallia, Jackson, Meigs, Vinton34 min
Jun 21, 7:07 PM EDTSpecial Weather StatementRLXAthens, Meigs, Perry38 min
Jun 21, 7:29 PM EDTSpecial Weather StatementRLXJackson31 min
Jun 21, 7:41 PM EDTSpecial Weather StatementRLXWashington34 min

Nearby

Flash Flood Warnings in Ohio, 2011Flash Flood Warnings in Kentucky, 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.