Alert archive / Ohio / Flash Flood Warnings in 2017

Flash Flood Warning 53, NWS Charleston, WV

November 6, 2017Athens County, Meigs County, Washington County, Ohio; Wood County, West Virginia

NWS Charleston, WV issued this flash flood warning at Nov 6, 2017, 3:45 AM EST for Athens County, Meigs County, Washington County, Ohio; Wood 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: Nov 6, 2017, 3:45 AM EST (08:45 UTC)
Expired: Nov 6, 2017, 9:45 AM EST
In force: 6 hr
Issued by: NWS Charleston, WV
Area: Storm-based polygon
Flood severity: None

Counties Athens County, OH, Meigs County, OH, Washington County, OH, Wood County, WV

The radar

The Charleston,WV radar (KRLX), 117 km from the middle of the area, began a volume at 08:44 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
Nov 6, 4:45 AM EST	FLASH FLOOD	Coolville, OH	SR 144 CLOSED IN BOTH DIRECTIONS BETWEEN US 50 AND 329.
Nov 6, 5:00 AM EST	FLASH FLOOD	3 E Parkersburg, WV	DISPATCH REPORTED CORE ROAD WAS CLOSED DUE TO FLASH FLOODING EARLIER THIS MORNING. TIME OF EVENT ESTIMATED.

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 00:00Z, 8.8 hours before the alert went out and 175 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: 175 J/kg
Mixed-layer CIN: -41 J/kg
Mixed-layer LCL: 966 m above ground
0-6 km bulk shear: 54 kt
0-1 km storm-relative helicity: 441 m²/s²
0-3 km storm-relative helicity: 595 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 1.5

Open this sounding in Storm Lab

The text

As transmitted.

599 
WGUS51 KRLX 060845
FFWRLX
OHC009-105-167-WVC107-061445-
/O.NEW.KRLX.FF.W.0053.171106T0845Z-171106T1445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Charleston WV
345 AM EST MON NOV 6 2017

The National Weather Service in Charleston West Virginia has issued a

* Flash Flood Warning for...
  Northeastern Meigs County in southeastern Ohio...
  Southwestern Washington County in southeastern Ohio...
  Southeastern Athens County in southeastern Ohio...
  Northwestern Wood County in northwestern West Virginia...

* Until 945 AM EST Monday

* At 344 AM EST, Doppler radar and automated rain gauges indicated 
  thunderstorms producing heavy rain across the warned area. 1.5 to 
  2 inches of rain have already fallen with more rain on the way. 
  Flash flooding is expected to begin shortly.

* Some locations that will experience flooding include...
  Parkersburg, Belpre, Coolville, Vienna, Washington, Lubeck,
  Mineralwells, Boaz, North Hills, Little Hocking, Fleming,
  Blennerhassett, Davisville and Bartlett.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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 3949 8179 3948 8176 3947 8152 3919 8144
      3915 8174 3919 8193 3919 8184 3932 8185
      3945 8184 3945 8183 3949 8182

$$

25

1 follow-up statement

604 
WGUS71 KRLX 061027
FFSRLX

Flash Flood Statement
National Weather Service Charleston WV
527 AM EST MON NOV 6 2017

OHC009-105-167-WVC107-061445-
/O.CON.KRLX.FF.W.0053.000000T0000Z-171106T1445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Meigs OH-Washington OH-Athens OH-Wood WV-
527 AM EST MON NOV 6 2017

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 945 AM EST FOR
NORTHEASTERN MEIGS...SOUTHWESTERN WASHINGTON...SOUTHEASTERN ATHENS
AND NORTHWESTERN WOOD COUNTIES...

At 524 AM EST, Doppler radar and automated rain gauges indicated 2 
to 2.5 inches of rain has already fallen. This will cause flash 
flooding on streams and creeks. 

Some locations that will experience flooding include...
Parkersburg, Belpre, Coolville, Vienna, Washington, Lubeck,
Mineralwells, Boaz, North Hills, Little Hocking, Fleming,
Blennerhassett, Davisville and Bartlett.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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 3949 8179 3948 8176 3947 8152 3919 8144
      3915 8174 3919 8193 3919 8184 3932 8185
      3945 8184 3945 8183 3949 8182

$$

25

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 5, 7:20 PM EST	Severe Thunderstorm Warning	RLX	Perry	55 min
Nov 5, 8:15 PM EST	Special Weather Statement	RLX	Morgan	30 min
Nov 5, 8:34 PM EST	Severe Thunderstorm Warning	RLX	Morgan	26 min
Nov 6, 2:49 AM EST	Flash Flood Warning	RLX	Athens, Morgan	6 hr
Nov 6, 3:07 AM EST	Flash Flood Warning	RLX	Vinton	6 hr
Nov 6, 4:09 AM EST	Flash Flood Warning	RLX	Athens, Morgan, Washington	6 hr
Nov 6, 4:16 AM EST	Flash Flood Warning	RLX	Athens, Jackson, Meigs, Vinton	6 hr
Nov 6, 4:42 AM EST	Flash Flood Warning	RLX	Washington	3 hr
Nov 6, 7:39 AM EST	Areal Flood Warning	RLX	Washington	6 hr
Nov 6, 8:30 AM EST	Areal Flood Warning	RLX	Athens, Morgan	6 hr
Nov 6, 9:31 AM EST	Areal Flood Warning	RLX	Athens, Morgan, Washington	15 hr
Nov 6, 9:42 AM EST	Areal Flood Warning	RLX	Athens, Meigs, Washington	3 hr
Nov 6, 10:09 AM EST	Areal Flood Warning	RLX	Athens, Jackson, Meigs, Vinton	15 hr
Nov 5, 10:49 PM EST	Special Weather Statement	RLX	Calhoun, Doddridge, Gilmer, Harrison, Ritchie, Taylor	41 min
Nov 6, 5:54 AM EST	Special Weather Statement	RLX	Doddridge, Harrison	81 min

Nearby

Flash Flood Warnings in Ohio, 2017 Flash Flood Warnings in West Virginia, 2017 Every flash flood warning in 2017

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.