Alert archive / Ohio / Flash Flood Warnings in 2018

Flash Flood Warning 4, NWS Charleston, WV

April 3, 2018Morgan County, Perry County, Washington County, Ohio

NWS Charleston, WV issued this flash flood warning at Apr 3, 2018, 6:17 PM EDT for Morgan County, Perry County, Washington County, Ohio. It was in force for 12 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
Apr 3, 2018, 6:17 PM EDT (22:17 UTC)
Expired
Apr 4, 2018, 6:15 AM EDT
In force
12 hr
Issued by
NWS Charleston, WV
Area
Storm-based polygon
Flood severity
None

Counties Morgan County, OH, Perry County, OH, Washington County, OH

The radar

The Cincinnati radar (KILN), 158 km from the middle of the area, began a volume at 22:15 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, 10.3 hours before the alert went out and 156 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 2018-04-03Temperature 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, Cncnati-Daytn, OH at 12:00Z on 2018-04-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 358 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
542 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
358 m²/s²
0-3 km storm-relative helicity
356 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

026 
WGUS51 KRLX 032217
FFWRLX
OHC115-127-167-040415-
/O.NEW.KRLX.FF.W.0004.180403T2217Z-180404T0415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Charleston WV
617 PM EDT TUE APR 3 2018

The National Weather Service in Charleston West Virginia has issued a

* Flash Flood Warning for...
  Perry County in southeastern Ohio...
  Northwestern Washington County in southeastern Ohio...
  Morgan County in southeastern Ohio...

* Until 1215 AM EDT Wednesday

* At 614 PM EDT, Doppler radar and automated rain gauges indicated
  heavy rain falling across the warned area. Up to one inch of rain 
  has already fallen. Runoff from previous rains will continue to 
  flow into streams and creeks. Flash flooding is either already 
  occurring or will begin or resume shortly, and will continue the 
  rest of this evening.

* Some locations that will experience flooding include...
  New Lexington, McConnelsville, Somerset, Beverly, Shawnee, Perry
  State Forest, Thornport, Crooksville, Thornville, Junction City,
  New Straitsville, Malta, Corning, Lowell, Stockport, Bristol,
  Glenford, Hemlock, Rendville and Hackney.

Additional rainfall amounts of up to an inch are possible in the 
warned area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

In hilly terrain there are hundreds of low water crossings which are
potentially dangerous in heavy rain. Do not attempt to cross flooded
roads. Find an alternate route.

Please report Severe Weather to the National Weather Service by
calling toll free, 800 401 9535, when you can do so safely.

You may also report severe weather by posting your report to the
Charleston West Virginia National Weather Service Facebook Page, or
by using the Twitter Hashtag, NWSRLX.

&&

LAT...LON 3991 8217 3982 8217 3982 8208 3977 8207
      3975 8164 3967 8164 3966 8159 3959 8159
      3958 8148 3964 8146 3953 8147 3954 8205
      3959 8226 3960 8237 3974 8236 3974 8241
      3983 8240 3984 8247 3992 8247

$$

12
6 follow-up statements
281 
WGUS71 KRLX 040220
FFSRLX

Flash Flood Statement
National Weather Service Charleston WV
1020 PM EDT TUE APR 3 2018

OHC115-127-167-040415-
/O.CON.KRLX.FF.W.0004.000000T0000Z-180404T0415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Perry OH-Washington OH-Morgan OH-
1020 PM EDT TUE APR 3 2018

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1215 AM EDT FOR
PERRY...NORTHWESTERN WASHINGTON AND MORGAN COUNTIES...

At 1010 PM EDT,  Doppler radar and automated rain gauges indicated 
heavy rain falling across the warned area. Three quarters of an inch 
to an inch of rain has already fallen. Runoff from previous rains 
will continue to flow into streams and creeks. Flash flooding is 
either already occurring or will begin or resume shortly, and will 
continue tonight.

Some locations that will experience flooding include...
New Lexington, McConnelsville, Somerset, Beverly, Shawnee, Perry
State Forest, Thornport, Crooksville, Thornville, Junction City, New
Straitsville, Malta, Corning, Lowell, Stockport, Bristol, Glenford,
Hemlock, Rendville and Hackney.

Additional rainfall amounts of a half inch to an inch are possible 
in the warned area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

In hilly terrain there are hundreds of low water crossings which are
potentially dangerous in heavy rain. Do not attempt to cross flooded
roads. Find an alternate route.

Please report Severe Weather to the National Weather Service by
calling toll free, 800 401 9535, when you can do so safely.

You may also report severe weather by posting your report to the
Charleston West Virginia National Weather Service Facebook Page, or
by using the Twitter Hashtag, NWSRLX.

&&

LAT...LON 3991 8217 3982 8217 3982 8208 3977 8207
      3975 8164 3967 8164 3966 8159 3959 8159
      3958 8148 3964 8146 3953 8147 3954 8205
      3959 8226 3960 8237 3974 8236 3974 8241
      3983 8240 3984 8247 3992 8247

$$

12
403 
WGUS71 KRLX 040408
FFSRLX

Flash Flood Statement
National Weather Service Charleston WV
1208 AM EDT WED APR 4 2018

OHC115-127-167-040415-
/O.CON.KRLX.FF.W.0004.000000T0000Z-180404T0415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Perry OH-Washington OH-Morgan OH-
1208 AM EDT WED APR 4 2018

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1215 AM EDT FOR
PERRY...NORTHWESTERN WASHINGTON AND MORGAN COUNTIES...

At 1200 AM EDT,  Doppler radar and automated rain gauges indicated 
indicated heavy rain had fallen across the warned area, and Doppler 
radar indicated additional thunderstorms over the area. An inch to 
an inch and a half of rain has already fallen. Streams were still 
rising, including some out of their banks, like Raccoon and Shade.

Some locations that will experience flooding include...
New Lexington, McConnelsville, Somerset, Beverly, Shawnee, Perry
State Forest, Thornport, Crooksville, Thornville, Junction City, New
Straitsville, Malta, Corning, Lowell, Stockport, Bristol, Glenford,
Hemlock, Rendville and Hackney.

Additional rainfall amounts of one half inch to an inch are possible 
in the warned area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

In hilly terrain there are hundreds of low water crossings which are
potentially dangerous in heavy rain. Do not attempt to cross flooded
roads. Find an alternate route.

Please report Severe Weather to the National Weather Service by
calling toll free, 800 401 9535, when you can do so safely.

You may also report severe weather by posting your report to the
Charleston West Virginia National Weather Service Facebook Page, or
by using the Twitter Hashtag, NWSRLX.

&&

LAT...LON 3991 8217 3982 8217 3982 8208 3977 8207
      3975 8164 3967 8164 3966 8159 3959 8159
      3958 8148 3964 8146 3953 8147 3954 8205
      3959 8226 3960 8237 3974 8236 3974 8241
      3983 8240 3984 8247 3992 8247

$$

12
852 
WGUS51 KRLX 040410
FFWRLX
OHC115-127-167-041015-
/O.EXT.KRLX.FF.W.0004.000000T0000Z-180404T1015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Charleston WV
1210 AM EDT WED APR 4 2018

The National Weather Service in Charleston West Virginia has extended
the

* Flash Flood Warning for...
  Perry County in southeastern Ohio...
  Northwestern Washington County in southeastern Ohio...
  Morgan County in southeastern Ohio...

* Until 615 AM EDT Wednesday

* At 1209 AM EDT, Doppler radar and automated rain gauges indicated 
  indicated heavy rain had fallen across the warned area, and 
  Doppler radar indicated additional thunderstorms over the area. An 
  inch to an inch and a half of rain has already fallen. Streams 
  were still rising, including some out of their banks, like Raccoon 
  and Shade.

* Some locations that will experience flooding include...
  New Lexington, McConnelsville, Somerset, Beverly, Shawnee, Perry
  State Forest, Thornport, Crooksville, Thornville, Junction City,
  New Straitsville, Malta, Corning, Lowell, Stockport, Bristol,
  Glenford, Hemlock, Rendville and Hackney.

Additional rainfall amounts of one half inch to an inch are possible 
in the warned area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

In hilly terrain there are hundreds of low water crossings which are
potentially dangerous in heavy rain. Do not attempt to cross flooded
roads. Find an alternate route.

Please report Severe Weather to the National Weather Service by
calling toll free, 800 401 9535, when you can do so safely.

You may also report severe weather by posting your report to the
Charleston West Virginia National Weather Service Facebook Page, or
by using the Twitter Hashtag, NWSRLX.

&&

LAT...LON 3991 8217 3982 8217 3982 8208 3977 8207
      3975 8164 3967 8164 3966 8159 3959 8159
      3958 8148 3964 8146 3953 8147 3954 8205
      3959 8226 3960 8237 3974 8236 3974 8241
      3983 8240 3984 8247 3992 8247

$$

12
357 
WGUS71 KRLX 040427
FFSRLX

Flash Flood Statement
National Weather Service Charleston WV
1227 AM EDT WED APR 4 2018

OHC115-127-167-041015-
/O.CON.KRLX.FF.W.0004.000000T0000Z-180404T1015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Perry OH-Washington OH-Morgan OH-
1227 AM EDT WED APR 4 2018

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 615 AM EDT
WEDNESDAY FOR PERRY...NORTHWESTERN WASHINGTON AND MORGAN COUNTIES...

At 1226 AM EDT, Doppler radar and automated rain gauges indicated 
indicated heavy rain had fallen across the warned area, and Doppler 
radar indicated additional thunderstorms over the area. An inch to 
an inch and a half of rain has already fallen. Streams were still 
rising, including some out of their banks, like the Little Muskingum 
and Duck.

Some locations that will experience flooding include...
New Lexington, McConnelsville, Somerset, Beverly, Shawnee, Perry
State Forest, Thornport, Crooksville, Thornville, Junction City, New
Straitsville, Malta, Corning, Lowell, Stockport, Bristol, Glenford,
Hemlock, Rendville and Hackney.

Additional rainfall amounts of one half inch are possible in the 
warned area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

In hilly terrain there are hundreds of low water crossings which are
potentially dangerous in heavy rain. Do not attempt to cross flooded
roads. Find an alternate route.

Please report Severe Weather to the National Weather Service by
calling toll free, 800 401 9535, when you can do so safely.

You may also report severe weather by posting your report to the
Charleston West Virginia National Weather Service Facebook Page, or
by using the Twitter Hashtag, NWSRLX.

&&

LAT...LON 3991 8217 3982 8217 3982 8208 3977 8207
      3975 8164 3967 8164 3966 8159 3959 8159
      3958 8148 3964 8146 3953 8147 3954 8205
      3959 8226 3960 8237 3974 8236 3974 8241
      3983 8240 3984 8247 3992 8247

$$

12
300 
WGUS71 KRLX 040718
FFSRLX

Flash Flood Statement
National Weather Service Charleston WV
318 AM EDT WED APR 4 2018

OHC115-127-167-041015-
/O.CON.KRLX.FF.W.0004.000000T0000Z-180404T1015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Perry OH-Washington OH-Morgan OH-
318 AM EDT WED APR 4 2018

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 615 AM EDT FOR
PERRY...NORTHWESTERN WASHINGTON AND MORGAN COUNTIES...

At 311 AM EDT, Doppler radar and automated rain gauges indicated 
indicated heavy rain fell across the warned area Tuesday. An inch 
to an inch and a half of rain had fallen. While the heaviest of the 
rain was moving out of the area, streams were still rising, 
including some out of their banks, like the Little Muskingum 
and Duck. It will take the rest of the night for flood waters to 
start to recede.

Some locations that will experience flooding include...
New Lexington, McConnelsville, Somerset, Beverly, Shawnee, Perry
State Forest, Thornport, Crooksville, Thornville, Junction City, New
Straitsville, Malta, Corning, Lowell, Stockport, Bristol, Glenford,
Hemlock, Rendville and Hackney.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Be especially cautious at night when it is harder to recognize the
dangers of flooding.

In hilly terrain there are hundreds of low water crossings which are
potentially dangerous in heavy rain. Do not attempt to cross flooded
roads. Find an alternate route.

Please report Severe Weather to the National Weather Service by
calling toll free, 800 401 9535, when you can do so safely.

You may also report severe weather by posting your report to the
Charleston West Virginia National Weather Service Facebook Page, or
by using the Twitter Hashtag, NWSRLX.

&&

LAT...LON 3991 8217 3982 8217 3982 8208 3977 8207
      3975 8164 3967 8164 3966 8159 3959 8159
      3958 8148 3964 8146 3953 8147 3954 8205
      3959 8226 3960 8237 3974 8236 3974 8241
      3983 8240 3984 8247 3992 8247

$$

12
763 
WGUS71 KRLX 041017
FFSRLX

Flash Flood Statement
National Weather Service Charleston WV
617 AM EDT WED APR 4 2018

OHC115-127-167-041026-
/O.EXP.KRLX.FF.W.0004.000000T0000Z-180404T1015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Perry OH-Washington OH-Morgan OH-
617 AM EDT WED APR 4 2018

...THE FLASH FLOOD WARNING FOR PERRY...NORTHWESTERN WASHINGTON AND
MORGAN COUNTIES HAS EXPIRED...

The heavy rain has ended. Flooding is no longer expected to pose a
threat. Please continue to heed any remaining road closures.

LAT...LON 3991 8217 3982 8217 3982 8208 3977 8207
      3975 8164 3967 8164 3966 8159 3959 8159
      3958 8148 3964 8146 3953 8147 3954 8205
      3959 8226 3960 8237 3974 8236 3974 8241
      3983 8240 3984 8247 3992 8247

$$

08

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 3, 4:41 AM EDTSpecial Weather StatementRLXJackson, Vinton64 min
Apr 3, 7:16 AM EDTFlash Flood WatchRLXAthens, Morgan, Perry, Vinton, Washington8 hr
Apr 3, 8:29 AM EDTSpecial Weather StatementRLXAthens, Gallia, Jackson, Meigs, Morgan, Perry and 1 more61 min
Apr 3, 9:33 AM EDTSpecial Weather StatementRLXAthens, Gallia, Jackson, Meigs, Morgan, Perry and 2 more57 min
Apr 3, 10:40 AM EDTSpecial Weather StatementRLXAthens, Jackson, Meigs, Morgan, Perry, Vinton and 1 more2 hr
Apr 3, 10:52 AM EDTFlash Flood WarningRLXWashington3 hr
Apr 3, 11:14 AM EDTFlash Flood WarningRLXMorgan, Perry, Washington7 hr
Apr 3, 12:43 PM EDTSpecial Weather StatementRLXAthens, Jackson, Meigs, Vinton, Washington2 hr
Apr 3, 12:50 PM EDTFlash Flood WarningRLXAthens, Meigs, Morgan, Vinton, Washington15 hr
Apr 3, 1:39 PM EDTAreal Flood WarningRLXMeigs, Washington3 hr
Apr 3, 2:24 PM EDTFlash Flood WatchRLXAthens, Gallia, Jackson, Meigs, Morgan, Perry and 2 more13 hr
Apr 3, 3:40 PM EDTRiver Flood WarningRLXWashington40 hr
Apr 3, 5:13 PM EDTAreal Flood WarningRLXMeigs, Washington18 hr
Apr 3, 6:03 PM EDTSevere Thunderstorm WarningRLXMorgan, Perry42 min
Apr 3, 6:10 PM EDTTornado WarningRLXPerry20 min
Apr 3, 6:40 PM EDTSevere Thunderstorm WarningRLXMorgan, Perry35 min
Apr 3, 7:06 PM EDTSpecial Weather StatementRLXAthens24 min
Apr 3, 7:35 PM EDTSevere Thunderstorm WarningRLXGallia, Jackson, Lawrence, Vinton55 min

Nearby

Flash Flood Warnings in Ohio, 2018Every flash flood warning in 2018

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.