Alert archive / Kentucky / Flash Flood Warnings in 2018

Flash Flood Warning 2, NWS Wilmington, OH

February 24, 20184 counties in Kentucky

NWS Wilmington, OH issued this flash flood warning at Feb 24, 2018, 7:24 PM EST for 4 counties in Kentucky. It was in force for 9 hr. 2 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
Feb 24, 2018, 7:24 PM EST (00:24 UTC)
Expired
Feb 25, 2018, 4:15 AM EST
In force
9 hr
Issued by
NWS Wilmington, OH
Area
Storm-based polygon
Flood severity
None

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

The radar

The Louisville radar (KLVX), 114 km from the middle of the area, began a volume at 00:24 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
Feb 24, 8:28 PM ESTFLASH FLOODCarrollton, KYMULTIPLE ROADS CLOSED THROUGHOUT THE COUNTY DUE TO HIGH WATER
Feb 24, 8:35 PM ESTFLASH FLOODSparta, KYMULTIPLE ROAD CLOSED THROUGHOUT THE COUNTY DUE TO HIGH WATER.

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 00:00Z, 0.4 hours before the alert went out and 133 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 2018-02-25Temperature 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 2018-02-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 227 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
572 m above ground
0-6 km bulk shear
62 kt
0-1 km storm-relative helicity
227 m²/s²
0-3 km storm-relative helicity
266 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

241 
WGUS51 KILN 250024
FFWILN
KYC041-077-081-187-250315-
/O.NEW.KILN.FF.W.0002.180225T0024Z-180225T0315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Wilmington OH
724 PM EST SAT FEB 24 2018

The National Weather Service in Wilmington has issued a

* Flash Flood Warning for...
  Carroll County in northern Kentucky...
  Grant County in northern Kentucky...
  Owen County in northern Kentucky...
  Gallatin County in northern Kentucky...

* Until 1015 PM EST.

* At 718 PM EST, radar indicated that heavy rain was falling across 
  the warned area. This rain will produce 1 to 1.5 inches. This 
  excessive rainfall on very saturated ground will cause flash 
  flooding to occur.

* Some locations that will experience flooding include...
  Carrollton, Williamstown, Crittenden, Dry Ridge, Warsaw, Owenton,
  Florence, Kentucky Speedway, Glencoe, Ghent, Sanders, Corinth,
  Sparta, Worthville, Prestonville, Monterey, Brooksburg, Gratz,
  Stewartsville and Elk Lake.

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 3838 8490 3842 8488 3846 8492 3843 8496
      3852 8498 3851 8503 3856 8501 3860 8508
      3858 8521 3872 8532 3874 8526 3869 8517
      3880 8489 3878 8482 3884 8479 3878 8466
      3880 8463 3878 8454 3852 8448 3834 8479

$$

AR
2 follow-up statements
454 
WGUS51 KILN 250207
FFWILN
KYC041-077-081-187-250915-
/O.EXT.KILN.FF.W.0002.000000T0000Z-180225T0915Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Wilmington OH
907 PM EST SAT FEB 24 2018

The National Weather Service in Wilmington has extended the

* Flash Flood Warning for...
  Carroll County in northern Kentucky...
  Grant County in northern Kentucky...
  Owen County in northern Kentucky...
  Gallatin County in northern Kentucky...

* Until 415 AM EST Sunday.

* At 904 PM EST, radar indicated that heavy rain had fallen across
  the warned area. Up to one inch of rain has already fallen. Heavy 
  rain continues to fall with another one inch possible. Runoff from 
  this excessive rainfall will cause flash flooding to occur.

* Some locations that will experience flooding include...
  Carrollton, Williamstown, Crittenden, Dry Ridge, Warsaw, Owenton,
  Florence, Kentucky Speedway, Glencoe, Ghent, Sanders, Corinth,
  Sparta, Worthville, Prestonville, Monterey, Brooksburg, Gratz,
  Stewartsville and Elk Lake.

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 3838 8490 3842 8488 3846 8492 3843 8496
      3852 8498 3851 8503 3856 8501 3860 8508
      3858 8521 3872 8532 3874 8526 3869 8517
      3880 8489 3878 8482 3884 8479 3878 8466
      3880 8463 3878 8454 3852 8448 3834 8479

$$

Coniglio
379 
WGUS71 KILN 250910
FFSILN

Flash Flood Statement
National Weather Service Wilmington OH
410 AM EST SUN FEB 25 2018

KYC041-077-081-187-250920-
/O.EXP.KILN.FF.W.0002.000000T0000Z-180225T0915Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Carroll KY-Grant KY-Owen KY-Gallatin KY-
410 AM EST SUN FEB 25 2018

...THE FLASH FLOOD WARNING FOR CARROLL...GRANT...OWEN AND GALLATIN
COUNTIES WILL EXPIRE AT 415 AM EST...

The heavy rain has ended and flash flooding is no longer expected to 
pose a threat. Lingering high water will remain a threat through the 
morning hours today. 

Please report previous flash flooding to the National Weather Service
by going to our website at weather.gov/iln and submitting your report
via social media.

LAT...LON 3838 8490 3842 8488 3846 8492 3843 8496
      3852 8498 3851 8503 3856 8501 3860 8508
      3858 8521 3872 8532 3874 8526 3869 8517
      3880 8489 3878 8482 3884 8479 3878 8466
      3880 8463 3878 8454 3852 8448 3834 8479

$$

Franks

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 24, 8:04 PM ESTFlash Flood WarningILNBoone, Campbell, Carroll, Gallatin, Kenton8 hr
Feb 24, 8:36 PM ESTFlash Flood WarningILNBracken, Pendleton8 hr
Feb 24, 9:55 PM ESTSpecial Weather StatementILNCarroll, Gallatin35 min
Feb 24, 10:35 PM ESTSpecial Weather StatementILNBoone, Kenton25 min
Feb 24, 11:15 PM ESTSpecial Weather StatementILNGallatin, Grant, Owen30 min
Feb 24, 11:32 PM ESTSpecial Weather StatementILNCampbell, Grant, Kenton, Pendleton28 min
Feb 24, 11:45 PM ESTTornado WarningILNPendleton14 min
Feb 25, 12:14 AM ESTSpecial Weather StatementILNMason, Robertson31 min
Feb 25, 12:36 AM ESTAreal Flood AdvisoryILNLewis, Mason, Robertson4 hr
Feb 25, 12:38 AM ESTSpecial Weather StatementILNLewis37 min
Feb 25, 1:01 AM ESTSpecial Weather StatementILNLewis29 min
Feb 25, 4:13 AM ESTAreal Flood AdvisoryILNCarroll, Gallatin, Grant, Owen6 hr
Feb 25, 4:15 AM ESTAreal Flood AdvisoryILNBoone, Campbell, Gallatin, Kenton6 hr
Feb 25, 4:18 AM ESTAreal Flood AdvisoryILNBracken, Pendleton6 hr
Feb 25, 4:33 AM ESTAreal Flood AdvisoryILNBracken, Lewis, Mason, Robertson6 hr
Feb 25, 10:09 AM ESTAreal Flood AdvisoryILNBoone, Bracken, Campbell, Carroll, Gallatin, Grant and 3 more4 hr
Feb 25, 10:47 AM ESTAreal Flood AdvisoryILNCampbell7 hr

Nearby

Flash Flood Warnings in Kentucky, 2018Every flash flood warning in 2018

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.