Alert archive / Ohio / Flash Flood Warnings in 2012

Flash Flood Warning 13, NWS Charleston, WV

May 2, 20124 counties in Ohio; Mason County, West Virginia

NWS Charleston, WV issued this flash flood warning at May 2, 2012, 12:35 AM EDT for 4 counties in Ohio; Mason County, West Virginia. It was in force for 6 hr. 2 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 2, 2012, 12:35 AM EDT (04:35 UTC)
Expired
May 2, 2012, 6:30 AM EDT
In force
6 hr
Issued by
NWS Charleston, WV
Area
Storm-based polygon
Flood severity
None

Counties Gallia County, OH, Jackson County, OH, Meigs County, OH, Vinton County, OH, Mason County, WV

The radar

The Charleston,WV radar (KRLX), 89 km from the middle of the area, began a volume at 04:35 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 2, 1:30 AM EDTFLASH FLOOD2 Sse Zaleski, OHSR 278 NEAR ZALESKI IS CLOSED DUE TO HIGH WATER. SR 677 AND 324 ARE RESTRICTED DUE TO WATER COVERING ROADWAY
May 2, 3:55 AM EDTFLASH FLOOD1 Nnw Pomeroy, OHBOTH SR 124 AND SR 143 ARE CLOSED ON THE SR 7 SIDE DUE TO HIGH WATER

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 00:00Z, 4.6 hours before the alert went out and 234 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 00:00Z on 2012-05-02Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Pittsburgh, PA at 00:00Z on 2012-05-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 53 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1907 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
53 m²/s²
0-3 km storm-relative helicity
144 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.

400 
WGUS51 KRLX 020435
FFWRLX
OHC053-079-105-163-WVC053-021030-
/O.NEW.KRLX.FF.W.0013.120502T0435Z-120502T1030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CHARLESTON WV
1235 AM EDT WED MAY 2 2012

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHERN MASON COUNTY IN WEST VIRGINIA...
  THIS INCLUDES THE CITY OF POINT PLEASANT...
  NORTHERN GALLIA COUNTY IN SOUTHEAST OHIO...
  THIS INCLUDES THE CITIES OF...RIO GRANDE...GALLIPOLIS...
  JACKSON COUNTY IN SOUTHEAST OHIO...
  THIS INCLUDES THE CITIES OF...WELLSTON...OAK HILL...JACKSON...
  MEIGS COUNTY IN SOUTHEAST OHIO...
  THIS INCLUDES THE CITIES OF...RUTLAND...RACINE...POMEROY...FORKED
  RUN STATE PARK...
  VINTON COUNTY IN SOUTHEAST OHIO...
  THIS INCLUDES THE CITIES OF...MCARTHUR...LAKE HOPE STATE PARK...

* UNTIL 630 AM EDT

* AT 1225 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR 
  INDICATED THAT MORE SHOWERS ARE LIKELY THROUGH 3 O'CLOCK.
  MANY STREAMS RECEIVED HEAVY SHOWERS EARLIER TUESDAY EVENING. 
  RAIN TOTALS MAY APPROACH 2 INCHES...WHICH WOULD CAUSE FLOOD PRONE
  STREAMS TO OVERFLOW ACROSS ADJACENT ROADS.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

&&

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

LAT...LON 3915 8280 3934 8274 3937 8230 3920 8227
      3918 8178 3915 8174 3910 8174 3908 8181
      3902 8176 3897 8178 3893 8176 3895 8182
      3887 8191 3883 8191 3881 8194 3881 8230
      3887 8276 3894 8276 3895 8281

$$

22
2 follow-up statements
269 
WGUS71 KRLX 020742
FFSRLX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
342 AM EDT WED MAY 2 2012

OHC053-079-105-163-WVC053-021030-
/O.CON.KRLX.FF.W.0013.000000T0000Z-120502T1030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GALLIA OH-JACKSON OH-MEIGS OH-VINTON OH-MASON WV-
342 AM EDT WED MAY 2 2012

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 630 AM EDT FOR
VINTON...MEIGS...JACKSON AND NORTHERN GALLIA COUNTIES IN SOUTHEAST
OHIO...AND NORTHERN MASON COUNTY IN WEST VIRGINIA...

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO 
POMEROY...TUPPERS PLAINS...WELLSTON...RUTLAND...MCARTHUR...LAKE HOPE 
STATE PARK...JACKSON AND FORKED RUN STATE PARK

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.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

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 3915 8280 3934 8274 3937 8230 3920 8227
      3918 8178 3915 8174 3910 8174 3908 8181
      3902 8176 3897 8178 3893 8176 3895 8182
      3887 8191 3883 8191 3881 8194 3881 8230
      3887 8276 3894 8276 3895 8281

$$

14
335 
WGUS71 KRLX 021036
FFSRLX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
636 AM EDT WED MAY 2 2012

OHC053-079-105-163-WVC053-021044-
/O.EXP.KRLX.FF.W.0013.000000T0000Z-120502T1030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GALLIA OH-JACKSON OH-MEIGS OH-VINTON OH-MASON WV-
636 AM EDT WED MAY 2 2012

...THE FLASH FLOOD WARNING HAS EXPIRED FOR VINTON...MEIGS...JACKSON
AND NORTHERN GALLIA COUNTIES IN SOUTHEAST OHIO...AND NORTHERN MASON
COUNTY IN WEST VIRGINIA...

HEAVY RAIN IS NO LONGER ANTICIPATED...THEREFORE THE FLASH FLOOD 
WARNING THAT WAS IN EFFECT HAS BEEN ALLOWED TO EXPIRE. 
HOWEVER...STANDING OR PONDING OF WATER ON ROADWAYS IS EXPECTED TO 
SLOWLY RECEDE THROUGHOUT THE MORNING. 

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 3915 8280 3934 8274 3937 8230 3920 8227
      3918 8178 3915 8174 3910 8174 3908 8181
      3902 8176 3897 8178 3893 8176 3895 8182
      3887 8191 3883 8191 3881 8194 3881 8230
      3887 8276 3894 8276 3895 8281

$$

14

The office that day

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

IssuedProductOfficeCountiesLasted
May 1, 8:34 PM EDTFlash Flood WatchRLXAthens, Jackson, Meigs, Morgan, Perry, Vinton and 1 more8 hr
May 1, 8:46 PM EDTSevere Thunderstorm WarningRLXGallia59 min
May 1, 8:48 PM EDTSpecial Weather StatementRLXMeigs57 min
May 1, 9:42 PM EDTSpecial Weather StatementRLXJackson, Vinton48 min
May 1, 10:02 PM EDTSpecial Weather StatementRLXAthens, Meigs28 min
May 1, 10:34 PM EDTSpecial Weather StatementRLXWashington56 min
May 2, 12:15 AM EDTSpecial Weather StatementRLXAthens, Gallia, Lawrence, Meigs60 min
May 1, 9:34 PM EDTSpecial Weather StatementRLXJackson26 min
May 1, 9:47 PM EDTSpecial Weather StatementRLXPleasants, Ritchie28 min
May 1, 10:10 PM EDTSpecial Weather StatementRLXClay65 min
May 1, 10:13 PM EDTSpecial Weather StatementRLXDoddridge, Harrison, Ritchie, Tyler62 min
May 2, 2:52 AM EDTFlash Flood WarningRLXCalhoun, Roane3 hr

Nearby

Flash Flood Warnings in Ohio, 2012Flash 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.