Alert archive / Ohio / Flash Flood Warnings in 2018

Flash Flood Warning 2, NWS Charleston, WV

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

NWS Charleston, WV issued this flash flood warning at Apr 3, 2018, 11:14 AM EDT for Morgan County, Perry County, Washington County, Ohio. It was in force for 7 hr. 1 report 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: Apr 3, 2018, 11:14 AM EDT (15:14 UTC)
Expired: Apr 3, 2018, 6:15 PM EDT
In force: 7 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 Charleston,WV radar (KRLX), 159 km from the middle of the area, began a volume at 15:17 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

Time	Report	Where	Remark
Apr 3, 11:15 AM EDT	FLASH FLOOD	New Lexington, OH	DISPATCH REPORTED SR-93 IN BOTH DIRECTIONS BETWEEN ST RD 668 AND WHAL RD CLOSED 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

Cncnati-Daytn, OH (KILN), launched 12:00Z, 3.2 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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.

628 
WGUS51 KRLX 031514
FFWRLX
OHC115-127-167-031815-
/O.NEW.KRLX.FF.W.0002.180403T1514Z-180403T1815Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Charleston WV
1114 AM 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 215 PM EDT

* At 1113 AM EDT, Doppler radar and automated rain gauges indicated
  thunderstorms producing heavy rain across the warned area. Up to 
  one plus inches of rain has already fallen. Flash flooding is 
  expected to begin shortly.

* 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...

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 3965 8146 3964 8146 3953 8147
      3954 8205 3960 8237 3974 8236 3974 8241
      3983 8240 3984 8247 3992 8247

$$

21

2 follow-up statements

865 
WGUS51 KRLX 031803
FFWRLX
OHC115-127-167-031915-
/O.EXT.KRLX.FF.W.0002.000000T0000Z-180403T1915Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Charleston WV
203 PM EDT TUE APR 3 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 315 PM EDT

* At 203 PM EDT, Doppler radar and automated rain gauges indicated
  thunderstorms producing heavy rain across the warned area. Flash
  flooding is already occurring.

* 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...

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 3965 8146 3964 8146 3953 8147
      3954 8205 3960 8237 3974 8236 3974 8241
      3983 8240 3984 8247 3992 8247

$$

21

841 
WGUS51 KRLX 031854
FFWRLX
OHC115-127-167-032215-
/O.EXT.KRLX.FF.W.0002.000000T0000Z-180403T2215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

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

* At 251 PM EDT, Doppler radar and automated rain gauges indicated 
  that the heavy rain has ended across the warned area. Runoff from 
  previous rains will continue to flow into streams and creeks. 
  Flash flooding is already occurring and will continue the rest of 
  this afternoon.

* 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...

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 3965 8146 3964 8146 3953 8147
      3954 8205 3960 8237 3974 8236 3974 8241
      3983 8240 3984 8247 3992 8247

$$

21

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 3, 4:41 AM EDT	Special Weather Statement	RLX	Jackson, Vinton	64 min
Apr 3, 7:16 AM EDT	Flash Flood Watch	RLX	Athens, Morgan, Perry, Vinton, Washington	8 hr
Apr 3, 8:29 AM EDT	Special Weather Statement	RLX	Athens, Gallia, Jackson, Meigs, Morgan, Perry and 1 more	61 min
Apr 3, 9:33 AM EDT	Special Weather Statement	RLX	Athens, Gallia, Jackson, Meigs, Morgan, Perry and 2 more	57 min
Apr 3, 10:40 AM EDT	Special Weather Statement	RLX	Athens, Jackson, Meigs, Morgan, Perry, Vinton and 1 more	2 hr
Apr 3, 10:52 AM EDT	Flash Flood Warning	RLX	Washington	3 hr
Apr 3, 12:43 PM EDT	Special Weather Statement	RLX	Athens, Jackson, Meigs, Vinton, Washington	2 hr
Apr 3, 12:50 PM EDT	Flash Flood Warning	RLX	Athens, Meigs, Morgan, Vinton, Washington	15 hr
Apr 3, 1:39 PM EDT	Areal Flood Warning	RLX	Meigs, Washington	3 hr
Apr 3, 2:24 PM EDT	Flash Flood Watch	RLX	Athens, Gallia, Jackson, Meigs, Morgan, Perry and 2 more	13 hr
Apr 3, 3:40 PM EDT	River Flood Warning	RLX	Washington	40 hr
Apr 3, 5:13 PM EDT	Areal Flood Warning	RLX	Meigs, Washington	18 hr
Apr 3, 6:03 PM EDT	Severe Thunderstorm Warning	RLX	Morgan, Perry	42 min
Apr 3, 6:10 PM EDT	Tornado Warning	RLX	Perry	20 min
Apr 3, 6:17 PM EDT	Flash Flood Warning	RLX	Morgan, Perry, Washington	12 hr
Apr 3, 6:40 PM EDT	Severe Thunderstorm Warning	RLX	Morgan, Perry	35 min
Apr 3, 7:06 PM EDT	Special Weather Statement	RLX	Athens	24 min
Apr 3, 7:35 PM EDT	Severe Thunderstorm Warning	RLX	Gallia, Jackson, Lawrence, Vinton	55 min

Nearby

Flash Flood Warnings in Ohio, 2018 Every 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.