Alert archive / Kentucky / Flash Flood Warnings in 2021

Flash Flood Warning 13, NWS Wilmington, OH

June 19, 20214 counties in Kentucky; Switzerland County, Indiana

NWS Wilmington, OH issued this flash flood warning at Jun 19, 2021, 1:28 AM EDT for 4 counties in Kentucky; Switzerland County, Indiana. It was in force for 4 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 19, 2021, 1:28 AM EDT (05:28 UTC)
Expired
Jun 19, 2021, 5:30 AM EDT
In force
4 hr
Issued by
NWS Wilmington, OH
Area
Storm-based polygon
Flood severity
None

Counties Switzerland County, IN, Carroll County, KY, Gallatin County, KY, Grant County, KY, Owen County, KY

The radar

The Louisville radar (KLVX), 110 km from the middle of the area, began a volume at 05:29 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, 5.5 hours before the alert went out and 138 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 2021-06-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2257 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 2021-06-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 214 square meters per square second.19395878Sfc1 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
2257 J/kg
Mixed-layer CIN
-56 J/kg
Mixed-layer LCL
1236 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
214 m²/s²
0-3 km storm-relative helicity
240 m²/s²
Significant tornado parameter
1.9
Supercell composite
17.6

Open this sounding in Storm Lab

The text

As transmitted.

994 
WGUS51 KILN 190528
FFWILN
INC155-KYC041-077-081-187-190930-
/O.NEW.KILN.FF.W.0013.210619T0528Z-210619T0930Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Wilmington OH
128 AM EDT Sat Jun 19 2021

The National Weather Service in Wilmington has issued a

* Flash Flood Warning for...
  Southwestern Switzerland County in southeastern Indiana...
  Eastern Carroll County in northern Kentucky...
  Western Gallatin County in northern Kentucky...
  Southwestern Grant County in northern Kentucky...
  Owen County in northern Kentucky...

* Until 530 AM EDT.

* At 128 AM EDT, radar and automated rain gauges indicated 
  thunderstorms producing heavy rain across the warned area. Between 
  1 and 2 inches of rain have fallen in less than an hour. Flash 
  flooding is ongoing or expected to begin shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...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 may experience flash flooding include...
  Carrollton, Vevay, Owenton, Kentucky Speedway, Glencoe, Ghent, 
  Sanders, Corinth, Sparta, Prestonville, Monterey, Long Ridge, New 
  Liberty, Elmer Davis Lake, Needmore, Elk Lake, Carson, Interstate 
  71 at Mile Marker 52, Beechwood and Easterday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

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 3879 8520 3870 8478 3861 8478 3854 8467
      3847 8458 3843 8462 3835 8475 3834 8479
      3836 8487 3838 8490 3842 8488 3843 8493
      3846 8491 3846 8493 3843 8494 3844 8496
      3856 8485 3863 8495 3868 8520

FLASH FLOOD...RADAR AND GAUGE INDICATED
EXPECTED RAINFALL...1-2 INCHES IN 1 HOUR 

$$

Binau
2 follow-up statements
462 
WGUS71 KILN 190651
FFSILN

Flash Flood Statement
National Weather Service Wilmington OH
251 AM EDT Sat Jun 19 2021

INC155-KYC041-077-081-187-190930-
/O.CON.KILN.FF.W.0013.000000T0000Z-210619T0930Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Switzerland IN-Carroll KY-Gallatin KY-Grant KY-Owen KY-
251 AM EDT Sat Jun 19 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 530 AM EDT EARLY THIS 
MORNING FOR SOUTHWESTERN SWITZERLAND, EASTERN CARROLL, WESTERN 
GALLATIN, SOUTHWESTERN GRANT AND OWEN COUNTIES...

At 251 AM EDT, radar indicated rain across the warned area had 
decreased in intensity. Between 1.5 and 3.0 inches of rain have 
fallen. Flash flooding likely is ongoing despite the heavier rain 
having ended for the time being. Additional heavy rain over Indiana 
may move back into the area in the pre-dawn hours.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Radar.

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 may experience flash flooding include...
  Carrollton, Vevay, Owenton, Kentucky Speedway, Glencoe, Ghent, 
  Sanders, Corinth, Sparta, Prestonville, Monterey, Long Ridge, New 
  Liberty, Elmer Davis Lake, Needmore, Elk Lake, Carson, Interstate 
  71 at Mile Marker 52, Beechwood and Easterday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

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 3879 8520 3870 8478 3861 8478 3854 8467
      3847 8458 3843 8462 3835 8475 3834 8479
      3836 8487 3838 8490 3842 8488 3843 8493
      3846 8491 3846 8493 3843 8494 3844 8496
      3856 8485 3863 8495 3868 8520

FLASH FLOOD...RADAR INDICATED

$$

Binau
613 
WGUS71 KILN 190935
FFSILN

Flash Flood Statement
National Weather Service Wilmington OH
535 AM EDT Sat Jun 19 2021

INC155-KYC041-077-081-187-190945-
/O.EXP.KILN.FF.W.0013.000000T0000Z-210619T0930Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Switzerland IN-Carroll KY-Gallatin KY-Grant KY-Owen KY-
535 AM EDT Sat Jun 19 2021

...FLASH FLOOD WARNING HAS EXPIRED FOR SOUTHWESTERN SWITZERLAND, 
EASTERN CARROLL, WESTERN GALLATIN, SOUTHWESTERN GRANT AND OWEN 
COUNTIES...

While a few heavy downpours will continue to move through the area 
this morning and potentially causing some minor flooding  issues, 
the flash flood threat has diminished.

A Flash Flood Watch remains in effect until 200 PM EDT Saturday for 
portions of Southeast Indiana and Kentucky.

LAT...LON 3879 8520 3870 8478 3861 8478 3854 8467
      3847 8458 3843 8462 3835 8475 3834 8479
      3836 8487 3838 8490 3842 8488 3843 8493
      3846 8491 3846 8493 3843 8494 3844 8496
      3856 8485 3863 8495 3868 8520

$$

Binau

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 18, 8:56 PM EDTSevere Thunderstorm WarningILNBoone, Gallatin34 min
Jun 18, 9:11 PM EDTTornado WarningILNBoone, Campbell, Kenton34 min
Jun 18, 9:15 PM EDTSevere Thunderstorm WarningILNCampbell45 min
Jun 18, 9:23 PM EDTSevere Thunderstorm WarningILNCampbell, Gallatin, Grant, Kenton, Owen, Pendleton52 min
Jun 18, 9:30 PM EDTSevere Thunderstorm WarningILNBoone, Gallatin15 min
Jun 18, 9:39 PM EDTAreal Flood AdvisoryILNBoone, Campbell, Kenton3 hr
Jun 18, 9:49 PM EDTSevere Thunderstorm WarningILNBracken, Campbell, Lewis, Mason, Pendleton, Robertson56 min
Jun 18, 10:34 PM EDTSevere Thunderstorm WarningILNLewis, Mason, Robertson41 min
Jun 18, 11:24 PM EDTSpecial Weather StatementILNCarroll36 min
Jun 18, 11:59 PM EDTAreal Flood AdvisoryILNCarroll, Owen3 hr
Jun 19, 12:05 AM EDTSpecial Weather StatementILNCarroll, Owen40 min
Jun 19, 12:23 AM EDTFlash Flood WarningILNCarroll, Owen4 hr
Jun 19, 12:47 AM EDTSpecial Weather StatementILNOwen28 min
Jun 19, 4:40 AM EDTAreal Flood AdvisoryILNBoone, Gallatin5 hr
Jun 19, 4:47 AM EDTAreal Flood WarningILNCarroll, Owen6 hr
Jun 19, 8:11 AM EDTSpecial Weather StatementILNCarroll, Gallatin34 min
Jun 19, 8:16 AM EDTAreal Flood AdvisoryILNCampbell, Kenton, Pendleton5 hr
Jun 19, 8:46 AM EDTSpecial Weather StatementILNCampbell, Grant, Kenton, Owen, Pendleton44 min
Jun 19, 9:08 AM EDTAreal Flood AdvisoryILNBracken, Campbell, Pendleton3 hr
Jun 19, 10:02 AM EDTAreal Flood WarningILNBoone, Gallatin6 hr
Jun 18, 8:10 PM EDTSevere Thunderstorm WarningILNDearborn, Franklin, Ripley50 min
Jun 18, 8:14 PM EDTSevere Thunderstorm WarningILNUnion, Wayne31 min
Jun 18, 8:44 PM EDTSevere Thunderstorm WarningILNDearborn, Franklin, Ripley46 min
Jun 18, 9:00 PM EDTFlash Flood WarningILNDearborn, Franklin, Ripley3 hr
Jun 18, 9:02 PM EDTTornado WarningILNDearborn, Ohio, Ripley28 min
Jun 19, 12:01 AM EDTSevere Thunderstorm WarningILNWayne27 min
Jun 19, 1:12 AM EDTAreal Flood AdvisoryILNWayne2 hr
Jun 19, 3:44 AM EDTAreal Flood AdvisoryILNDearborn, Franklin, Ripley, Switzerland3 hr
Jun 19, 6:39 AM EDTAreal Flood AdvisoryILNDearborn, Franklin, Ripley19 min
Jun 19, 6:54 AM EDTFlash Flood WarningILNDearborn, Franklin, Ohio, Ripley, Switzerland13 hr
Jun 19, 1:18 PM EDTRiver Flood AdvisoryILNDearborn, Franklin9 hr

Nearby

Flash Flood Warnings in Kentucky, 2021Flash Flood Warnings in Indiana, 2021Every flash flood warning in 2021

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.