Alert archive / Kentucky / Flash Flood Warnings in 2022

Flash Flood Warning 21, NWS Wilmington, OH

August 29, 20224 counties in Kentucky; Switzerland County, Indiana

NWS Wilmington, OH issued this flash flood warning at Aug 29, 2022, 4:47 PM EDT for 4 counties in Kentucky; Switzerland County, Indiana. It was in force for 3 hr. 4 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: Aug 29, 2022, 4:47 PM EDT (20:47 UTC)
Expired: Aug 29, 2022, 7:45 PM EDT
In force: 3 hr
Issued by: NWS Wilmington, OH
Area: Storm-based polygon
Flood severity: None

Counties Switzerland County, IN, Boone County, KY, Gallatin County, KY, Grant County, KY, Kenton County, KY

The radar

The Cincinnati radar (KILN), 111 km from the middle of the area, began a volume at 20:49 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
Aug 29, 5:09 PM EDT	FLOOD	6 E Warsaw, KY	HIGH WATER REPORTED ON LITTLE SUGAR CREEK RD.
Aug 29, 5:09 PM EDT	FLASH FLOOD	6 E Warsaw, KY	BRIDGE REPORTED WASHED OUT ON LITTLE SUGAR CREEK RD. ROAD DAMAGE WAS ALSO OBSERVED. TIME ESTIMATED.
Aug 29, 6:30 PM EDT	FLASH FLOOD	6 W Crittenden, KY	A CAR REPORTEDLY DROVE INTO HIGH WATER. LOCALS HAD TO RESCUE OCCUPANTS. TIME ESTIMATED.
Aug 29, 7:13 PM EDT	HEAVY RAIN 4.36	5 E Warsaw, KY	DAILY TOTAL THUS FAR.

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, 8.8 hours before the alert went out and 113 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: 1502 J/kg
Mixed-layer CIN: -40 J/kg
Mixed-layer LCL: 978 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: 89 m²/s²
0-3 km storm-relative helicity: 98 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.6

Open this sounding in Storm Lab

The text

As transmitted.

284 
WGUS51 KILN 292047
FFWILN
INC155-KYC015-077-081-117-292345-
/O.NEW.KILN.FF.W.0021.220829T2047Z-220829T2345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Wilmington OH
447 PM EDT Mon Aug 29 2022

The National Weather Service in Wilmington has issued a

* Flash Flood Warning for...
  East Central Switzerland County in southeastern Indiana...
  Southern Boone County in northern Kentucky...
  Eastern Gallatin County in northern Kentucky...
  Northwestern Grant County in northern Kentucky...
  Southern Kenton County in northern Kentucky...

* Until 745 PM EDT.

* At 447 PM EDT, radar indicated thunderstorms producing heavy rain 
  across the warned area. Between 1.5 and 2.5 inches of rain have 
  fallen. Additional rainfall amounts of 1 to 2 inches are possible. 
  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 may experience flash flooding include...
  Walton, Crittenden, Patriot, Glencoe, Ryle, Munk, US Routes 42 and 
  127 at State Route 562, Verona, Elliston, Napoleon, Beaverlick, 
  Big Bone Lick, Steele Bottom and Egypt Bottom.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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 3883 8489 3887 8478 3891 8470 3877 8454
      3866 8477 3868 8478 3869 8478 3870 8478
      3871 8478 3872 8479 3872 8480 3871 8480

FLASH FLOOD...RADAR INDICATED

$$

Clark

2 follow-up statements

674 
WGUS71 KILN 292158
FFSILN

Flash Flood Statement
National Weather Service Wilmington OH
558 PM EDT Mon Aug 29 2022

INC155-KYC015-077-081-117-292345-
/O.CON.KILN.FF.W.0021.000000T0000Z-220829T2345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Switzerland IN-Boone KY-Gallatin KY-Grant KY-Kenton KY-
558 PM EDT Mon Aug 29 2022

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 745 PM EDT THIS 
EVENING FOR EAST CENTRAL SWITZERLAND, SOUTHERN BOONE, EASTERN 
GALLATIN, NORTHWESTERN GRANT AND SOUTHERN KENTON COUNTIES...

At 558 PM EDT, radar indicated thunderstorms producing heavy rain 
across the warned area. Between 2.5 and 4.5 inches of rain have 
fallen. Additional rainfall amounts up to 0.5 inches are possible. 
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 may experience flash flooding include...
  Walton, Crittenden, Patriot, Glencoe, Ryle, Munk, US Routes 42 and 
  127 at State Route 562, Verona, Elliston, Napoleon, Beaverlick, 
  Big Bone Lick, Steele Bottom and Egypt Bottom.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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 3883 8489 3887 8478 3891 8470 3877 8454
      3866 8477 3868 8478 3869 8478 3870 8478
      3871 8478 3872 8479 3872 8480 3871 8480

FLASH FLOOD...RADAR INDICATED

$$

Clark

619 
WGUS71 KILN 292339
FFSILN

Flash Flood Statement
National Weather Service Wilmington OH
739 PM EDT Mon Aug 29 2022

INC155-KYC015-077-081-117-292349-
/O.EXP.KILN.FF.W.0021.000000T0000Z-220829T2345Z/
/00000.U.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Switzerland IN-Boone KY-Gallatin KY-Grant KY-Kenton KY-
739 PM EDT Mon Aug 29 2022

...FLASH FLOOD WARNING WILL EXPIRE AT 745 PM EDT THIS EVENING FOR 
EAST CENTRAL SWITZERLAND, SOUTHERN BOONE, EASTERN GALLATIN, 
NORTHWESTERN GRANT AND SOUTHERN KENTON COUNTIES...

Flood waters have receded. Flooding is no longer expected to pose a 
threat. Please continue to heed remaining road closures.

LAT...LON 3883 8489 3887 8478 3891 8470 3877 8454
      3866 8477 3868 8478 3869 8478 3870 8478
      3871 8478 3872 8479 3872 8480 3871 8480

$$

Clark

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 29, 2:36 PM EDT	Special Weather Statement	ILN	Kenton	24 min
Aug 29, 3:28 PM EDT	Special Weather Statement	ILN	Campbell	32 min
Aug 29, 3:45 PM EDT	Special Weather Statement	ILN	Owen	30 min
Aug 29, 4:00 PM EDT	Special Weather Statement	ILN	Grant, Pendleton	30 min
Aug 29, 4:02 PM EDT	Areal Flood Advisory	ILN	Boone, Gallatin, Grant, Kenton, Owen	3 hr
Aug 29, 4:09 PM EDT	Special Weather Statement	ILN	Grant, Owen	36 min
Aug 29, 4:24 PM EDT	Areal Flood Advisory	ILN	Campbell, Grant, Kenton, Pendleton	3 hr
Aug 29, 4:35 PM EDT	Areal Flood Advisory	ILN	Boone, Carroll, Gallatin, Owen	3 hr
Aug 29, 2:34 PM EDT	Special Weather Statement	ILN	Dearborn	26 min
Aug 29, 4:55 PM EDT	Special Weather Statement	ILN	Ripley	35 min
Aug 29, 6:15 PM EDT	Special Weather Statement	ILN	Wayne	30 min
Aug 29, 6:40 PM EDT	Special Weather Statement	ILN	Fayette, Wayne	35 min

Nearby

Flash Flood Warnings in Kentucky, 2022 Flash Flood Warnings in Indiana, 2022 Every flash flood warning in 2022

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.