Alert archive / Ohio / Flash Flood Warnings in 2011

Flash Flood Warning 14, NWS Charleston, WV

May 14, 20114 counties in Ohio

NWS Charleston, WV issued this flash flood warning at May 14, 2011, 7:20 PM EDT for 4 counties in Ohio. It was in force for 85 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
May 14, 2011, 7:20 PM EDT (23:20 UTC)
Expired
May 14, 2011, 8:45 PM EDT
In force
85 min
Issued by
NWS Charleston, WV
Area
Storm-based polygon
Flood severity
None

Counties Athens County, OH, Meigs County, OH, Morgan County, OH, Washington County, OH

The radar

The Charleston,WV radar (KRLX), 115 km from the middle of the area, began a volume at 23:19 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, 11.3 hours before the alert went out and 160 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 2011-05-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 421 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 2011-05-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -9 square meters per square second.19395878Sfc1 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
421 J/kg
Mixed-layer CIN
-13 J/kg
Mixed-layer LCL
609 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
-9 m²/s²
0-3 km storm-relative helicity
41 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.

167 
WGUS51 KRLX 142320
FFWRLX
OHC009-105-115-167-150045-
/O.NEW.KRLX.FF.W.0014.110514T2320Z-110515T0045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CHARLESTON WV
720 PM EDT SAT MAY 14 2011

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  EASTERN ATHENS COUNTY IN SOUTHEAST OHIO...
  EASTERN MEIGS COUNTY IN SOUTHEAST OHIO...
  SOUTH CENTRAL MORGAN COUNTY IN SOUTHEAST OHIO...
  THIS INCLUDES THE CITY OF CHESTERHILL...
  EXTREME SOUTHWESTERN WASHINGTON COUNTY IN SOUTHEAST OHIO...

* UNTIL 845 PM EDT

* AT 710 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
VERY HEAVY RAIN FROM NEW THUNDERSTORMS OVER THE WARNED AREA. RADAR 
ESTIMATES OVER 2 INCHES OF RAIN HAVE ALREADY FALLEN SINCE 5 PM. 

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO TUPPERS
  PLAINS

PRECAUTIONARY/PREPAREDNESS ACTIONS...

ADDITIONAL RAINFALL AMOUNTS UP TO ONE INCH IN LESS THAN AN HOUR IS 
POSSIBLE IN THE WARNED AREA.

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 3933 8206 3951 8195 3955 8182 3944 8180
      3915 8180 3901 8207

$$

05
2 follow-up statements
130 
WGUS71 KRLX 150016
FFSRLX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
816 PM EDT SAT MAY 14 2011

OHC009-105-115-167-150045-
/O.CON.KRLX.FF.W.0014.000000T0000Z-110515T0045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ATHENS OH-MEIGS OH-MORGAN OH-WASHINGTON OH-
816 PM EDT SAT MAY 14 2011

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 845 PM EDT FOR
EXTREME SOUTHWESTERN WASHINGTON...SOUTH CENTRAL MORGAN...CENTRAL
MEIGS AND EASTERN ATHENS COUNTIES...

AT 806 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THE 
THUNDERSTORMS PRODUCING VERY HEAVY RAIN HAVE MOVED OUT OF THE WARNED 
AREA. NO FLOODING REPORTS HAVE BEEN RECEIVED SO FAR. HOWEVER...WITH 
RADAR ESTIMATES OF 2 TO 3.5 INCHES OF RAIN FROM THESE STORMS...FLASH 
FLOODING CAN STILL BE EXPECTED. 

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO CHESTERHILL

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 3933 8206 3951 8195 3955 8182 3944 8180
      3915 8180 3901 8207

$$

05
111 
WGUS71 KRLX 150048
FFSRLX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
848 PM EDT SAT MAY 14 2011

OHC009-105-115-167-150054-
/O.EXP.KRLX.FF.W.0014.000000T0000Z-110515T0045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ATHENS OH-MEIGS OH-MORGAN OH-WASHINGTON OH-
848 PM EDT SAT MAY 14 2011

...THE FLASH FLOOD WARNING WILL EXPIRE AT 845 PM EDT FOR EXTREME
SOUTHWESTERN WASHINGTON...SOUTH CENTRAL MORGAN...CENTRAL MEIGS AND
EASTERN ATHENS COUNTIES...

RAINS HAVE MOVED OUT OF THE AREA AND NO REPORTS OF FLOODING HAVE 
BEEN RECEIVED. THUS...THE WARNING WILL BE ALLOWED TO EXPIRE AT 845 PM.


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 3933 8206 3951 8195 3955 8182 3944 8180
      3915 8180 3901 8207

$$

05

The office that day

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

IssuedProductOfficeCountiesLasted
May 14, 4:18 PM EDTSpecial Weather StatementRLXAthens, Meigs72 min
May 14, 4:20 PM EDTSpecial Weather StatementRLXPerry25 min
May 14, 6:02 PM EDTSpecial Weather StatementRLXAthens, Jackson, Meigs, Morgan, Perry, Vinton and 1 more88 min

Nearby

Flash Flood Warnings in Ohio, 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.