Alert archive / Ohio / Flash Flood Warnings in 2020

Flash Flood Warning 13, NWS Charleston, WV

June 4, 2020Meigs County, Ohio

NWS Charleston, WV issued this flash flood warning at Jun 4, 2020, 12:10 AM EDT for Meigs County, Ohio. It was in force for 3 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
Jun 4, 2020, 12:10 AM EDT (04:10 UTC)
Expired
Jun 4, 2020, 3:15 AM EDT
In force
3 hr
Issued by
NWS Charleston, WV
Area
Storm-based polygon
Flood severity
None

County Meigs County, OH

The radar

The Charleston,WV radar (KRLX), 92 km from the middle of the area, began a volume at 04:13 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 00:00Z, 4.2 hours before the alert went out and 167 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 00:00Z on 2020-06-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 777 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 00:00Z on 2020-06-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 47 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
777 J/kg
Mixed-layer CIN
-9 J/kg
Mixed-layer LCL
1661 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
47 m²/s²
0-3 km storm-relative helicity
50 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.1

Open this sounding in Storm Lab

The text

As transmitted.

652 
WGUS51 KRLX 040410
FFWRLX
OHC105-040715-
/O.NEW.KRLX.FF.W.0013.200604T0410Z-200604T0715Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Charleston WV
1210 AM EDT Thu Jun 4 2020

The National Weather Service in Charleston has issued a

* Flash Flood Warning for...
  Northern Meigs County in southeastern Ohio...

* Until 315 AM EDT.

* At 1210 AM EDT, Doppler radar and automated rain gauges indicated 
  thunderstorms producing heavy rain across the warned area. 2 to 3 
  inches of rain has fallen over the warned area. Flash flooding is 
  ongoing or expected to begin shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Doppler radar and automated gauges.

  IMPACT...Flooding of small creeks and streams, urban areas,
           highways, streets and underpasses as well as other
           drainage and low lying areas.

* Some locations that will experience flash flooding include...
  Forked Run State Park, Tuppers Plains, Chester, Darwin, Reedsville 
  and Carpenter.

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 3910 8175 3908 8178 3908 8181 3908 8191
      3912 8200 3916 8227 3920 8226 3918 8176
      3914 8174

FLASH FLOOD...RADAR AND GAUGE INDICATED

$$

26
2 follow-up statements
463 
WGUS71 KRLX 040525
FFSRLX

Flash Flood Statement
National Weather Service Charleston WV
125 AM EDT Thu Jun 4 2020

OHC105-040715-
/O.CON.KRLX.FF.W.0013.000000T0000Z-200604T0715Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Meigs OH-
125 AM EDT Thu Jun 4 2020

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 315 AM EDT EARLY THIS 
MORNING FOR NORTHERN MEIGS COUNTY...

At 125 AM EDT, Doppler radar and automated rain gauges indicated 
thunderstorms that produced heavy rain moved across the warned area. 
2 to 4 inches of rain fell over the warned area.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Doppler radar and automated gauges.

IMPACT...Flooding of small creeks and streams, urban areas,
         highways, streets and underpasses as well as other
         drainage and low lying areas.

Some locations that will experience flash flooding include...
  Forked Run State Park, Tuppers Plains, Chester, Darwin, Reedsville 
  and Carpenter.

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 3910 8175 3908 8178 3908 8181 3908 8191
      3912 8200 3916 8227 3920 8226 3918 8176
      3914 8174

FLASH FLOOD...RADAR AND GAUGE INDICATED

$$

26
059 
WGUS71 KRLX 040706
FFSRLX

Flash Flood Statement
National Weather Service Charleston WV
306 AM EDT Thu Jun 4 2020

OHC105-040716-
/O.EXP.KRLX.FF.W.0013.000000T0000Z-200604T0715Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Meigs OH-
306 AM EDT Thu Jun 4 2020

...FLASH FLOOD WARNING WILL EXPIRE AT 315 AM EDT EARLY THIS MORNING 
FOR NORTHERN MEIGS COUNTY...

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

LAT...LON 3910 8175 3908 8178 3908 8181 3908 8191
      3912 8200 3916 8227 3920 8226 3918 8176
      3914 8174

$$

26

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 3, 8:04 PM EDTSpecial Weather StatementRLXAthens26 min
Jun 3, 8:21 PM EDTSpecial Weather StatementRLXAthens114 min
Jun 3, 9:21 PM EDTFlash Flood WarningRLXAthens, Vinton, Washington5 hr
Jun 4, 2:39 PM EDTSpecial Weather StatementRLXPerry51 min
Jun 4, 3:52 PM EDTSpecial Weather StatementRLXWashington23 min
Jun 4, 5:51 PM EDTFlash Flood WarningRLXWashington3 hr

Nearby

Flash Flood Warnings in Ohio, 2020Every flash flood warning in 2020

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.