Alert archive / Kentucky / Flash Flood Warnings in 2017

Flash Flood Warning 9, NWS Wilmington, OH

April 16, 2017Boone County, Campbell County, Kenton County, Kentucky; Clermont County, Hamilton County, Ohio

NWS Wilmington, OH issued this flash flood warning at Apr 16, 2017, 6:48 PM EDT for Boone County, Campbell County, Kenton County, Kentucky; Clermont County, Hamilton County, Ohio. It was in force for 3 hr. 10 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
Apr 16, 2017, 6:48 PM EDT (22:48 UTC)
Expired
Apr 16, 2017, 9:45 PM EDT
In force
3 hr
Issued by
NWS Wilmington, OH
Area
Storm-based polygon
Flood severity
None

Counties Boone County, KY, Campbell County, KY, Kenton County, KY, Clermont County, OH, Hamilton County, OH

The radar

The Cincinnati radar (KILN), 61 km from the middle of the area, began a volume at 22:47 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

TimeReportWhereRemark
Apr 16, 6:59 PM EDTFLOOD3 Ssw Milford, OHBEECHWOOD AND SUMMERSIDE ROAD HAVE HIGH WATER
Apr 16, 7:30 PM EDTHEAVY RAIN 1.293 W Cheviot, OHSINCE 5 PM. 2 1/2 HOUR TOTAL.
Apr 16, 7:35 PM EDTFLASH FLOOD3 Wnw Batavia, OHWATER FLOODED OVER INTERSECTION OF OH-32 AND OLD SR 74
Apr 16, 7:45 PM EDTFLASH FLOOD2 N Delhi Township, OHVIDEO SHOWS ROAD FLOODED AT 5500 BLOCK OF ANTONINUS DRIVE.
Apr 16, 8:45 PM EDTFLASH FLOOD1 Nnw Delhi Township, OHVIDEO SHOWS CAR STUCK IN VERY FLOODED RAPID RUN ROAD.
Apr 16, 9:10 PM EDTFLASH FLOOD1 W Delhi Township, OHBENDER ROAD CLOSED DUE TO A LANDSLIDE.
Apr 16, 9:10 PM EDTFLASH FLOOD1 W Delhi Township, OHBENDER ROAD CLOSED DUE TO HIGH WATER.
Apr 16, 9:37 PM EDTFLASH FLOOD4 Ese Covington, KYHIGH WATER ON INTERSECTION AT RIVER ROAD AND ROUTE 8
Apr 16, 9:37 PM EDTFLASH FLOOD5 Ese Covington, KYHIGH WATER ON INTERSECTION AT RIVER ROAD AND ROUTE 8
Apr 16, 9:37 PM EDTFLASH FLOODS Covington, KYHIGH WATER AT MADISON AVE AND 17TH STREET.

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, 10.8 hours before the alert went out and 63 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 2017-04-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 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 12:00Z on 2017-04-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 340 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
1 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1327 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
340 m²/s²
0-3 km storm-relative helicity
326 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

984 
WGUS51 KILN 162248
FFWILN
KYC015-037-117-OHC025-061-170145-
/O.NEW.KILN.FF.W.0009.170416T2248Z-170417T0145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Wilmington OH
648 PM EDT SUN APR 16 2017

The National Weather Service in Wilmington has issued a

* Flash Flood Warning for...
  Northern Kenton County in northern Kentucky...
  Northern Campbell County in northern Kentucky...
  Northern Boone County in northern Kentucky...
  Southern Hamilton County in southwestern Ohio...
  West central Clermont County in southwestern Ohio...

* Until 945 PM EDT.

* At 647 PM EDT, radar indicated that thunderstorms had produced
  heavy rain across the warned area. Up to two inches of rain have 
  already fallen. Heavy rain continues to fall with another one to 
  two inches inches possible. Runoff from this excessive rainfall 
  will cause flash flooding to occur.

* Some locations that will experience flooding include...
  Cincinnati, Covington, Florence, Norwood, Erlanger, Fort Thomas,
  Newport, Edgewood, Elsmere, Cheviot, Fort Mitchell, Villa Hills,
  Highland Heights, Milford, Taylor Mill, Bellevue, Fort Wright,
  Dayton, Ludlow and Southgate.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Move to higher ground now. Act quickly to protect your life.

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

Keep children away from storm drains, culverts, creeks and streams.
Water levels can rise rapidly and sweep children away.

To report flash flooding, go to our website at weather.gov/iln and
submit your report via social media, when you can do so safely.

&&

LAT...LON 3915 8413 3904 8413 3900 8482 3918 8481

$$

Coniglio

The office that day

Everything else NWS Wilmington, OH issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 16, 5:13 PM EDTSpecial Weather StatementILNGallatin32 min
Apr 16, 6:38 PM EDTAreal Flood AdvisoryILNBoone, Campbell, Kenton3 hr
Apr 16, 6:40 PM EDTSevere Thunderstorm WarningILNBoone, Campbell, Kenton14 min
Apr 16, 6:49 PM EDTFlash Flood WarningILNBoone, Campbell, Kenton3 hr
Apr 16, 5:16 PM EDTSpecial Weather StatementILNHocking29 min
Apr 16, 5:21 PM EDTSpecial Weather StatementILNClinton24 min
Apr 16, 5:23 PM EDTSpecial Weather StatementILNClermont, Hamilton37 min
Apr 16, 5:28 PM EDTSevere Thunderstorm WarningILNHocking47 min
Apr 16, 5:50 PM EDTSpecial Weather StatementILNClinton40 min
Apr 16, 5:51 PM EDTSpecial Weather StatementILNHocking9 min
Apr 16, 6:02 PM EDTSevere Thunderstorm WarningILNClinton, Highland43 min
Apr 16, 6:07 PM EDTSpecial Weather StatementILNClermont38 min
Apr 16, 6:12 PM EDTSevere Thunderstorm WarningILNClermont, Hamilton33 min
Apr 16, 6:18 PM EDTSpecial Weather StatementILNHocking42 min
Apr 16, 6:20 PM EDTAreal Flood AdvisoryILNFairfield, Hocking, Pickaway3 hr
Apr 16, 6:50 PM EDTFlash Flood WarningILNFairfield, Hocking, Pickaway3 hr

Nearby

Flash Flood Warnings in Kentucky, 2017Flash Flood Warnings in Ohio, 2017Every 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.