Alert archive / Ohio / Flash Flood Warnings in 2024

Flash Flood Warning 21, NWS Charleston, WV

May 9, 2024Perry County, Ohio

NWS Charleston, WV issued this flash flood warning at May 9, 2024, 2:12 AM EDT for Perry 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
May 9, 2024, 2:12 AM EDT (06:12 UTC)
Expired
May 9, 2024, 5:15 AM EDT
In force
3 hr
Issued by
NWS Charleston, WV
Area
Storm-based polygon
Flood severity
None

County Perry County, OH

The radar

The Cincinnati radar (KILN), 133 km from the middle of the area, began a volume at 06:12 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, 6.2 hours before the alert went out and 131 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 2024-05-09Temperature 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 00:00Z on 2024-05-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 23 square meters per square second.1939587897Sfc1 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
2170 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
23 m²/s²
0-3 km storm-relative helicity
172 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

753 
WGUS51 KRLX 090612
FFWRLX
OHC127-090915-
/O.NEW.KRLX.FF.W.0021.240509T0612Z-240509T0915Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Charleston WV
212 AM EDT Thu May 9 2024

The National Weather Service in Charleston has issued a

* Flash Flood Warning for...
  Southern Perry County in southeastern Ohio...

* Until 515 AM EDT.

* At 212 AM EDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 1 and 2 inches of rain 
  have fallen. Flash flooding is ongoing or expected to begin 
  shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Radar.

  IMPACT...Flash flooding of small creeks and streams, urban
           areas, highways, streets and underpasses as well as
           other poor drainage and low-lying areas.

* Some locations that will experience flash flooding include...
  New Lexington, Shawnee, Corning, Hemlock and Rendville.

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.

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

&&

LAT...LON 3962 8238 3963 8238 3965 8237 3969 8237
      3971 8236 3969 8211 3958 8207

FLASH FLOOD...RADAR INDICATED

$$

JZ
1 follow-up statement
576 
WGUS71 KRLX 090915
FFSRLX

Flash Flood Statement
National Weather Service Charleston WV
515 AM EDT Thu May 9 2024

OHC127-090925-
/O.EXP.KRLX.FF.W.0021.000000T0000Z-240509T0915Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Perry OH-
515 AM EDT Thu May 9 2024

...FLASH FLOOD WARNING HAS EXPIRED FOR SOUTHERN PERRY COUNTY...

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

&&

LAT...LON 3962 8238 3963 8238 3965 8237 3969 8237
      3971 8236 3969 8211 3958 8207

$$

JZ

The office that day

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

IssuedProductOfficeCountiesLasted
May 9, 1:46 AM EDTFlash Flood WarningRLXMorgan, Perry3 hr
May 9, 2:13 AM EDTFlash Flood WarningRLXMorgan, Washington3 hr
May 9, 2:17 AM EDTFlash Flood WarningRLXMorgan, Washington3 hr
May 9, 7:39 PM EDTSevere Thunderstorm WarningRLXAthens, Morgan, Washington51 min

Nearby

Flash Flood Warnings in Ohio, 2024Every flash flood warning in 2024

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.