Alert archive / Kentucky / Flash Flood Warnings in 1996

Flash Flood Warning 21, NWS Wilmington, OH

April 29, 1996Campbell County, Kenton County, Kentucky; Hamilton County, Ohio

NWS Wilmington, OH issued this flash flood warning at Apr 29, 1996, 3:56 PM EDT for Campbell County, Kenton County, Kentucky; Hamilton 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 counties it named.

The facts

Issued
Apr 29, 1996, 3:56 PM EDT (19:56 UTC)
Expired
Apr 29, 1996, 7:00 PM EDT
In force
3 hr
Issued by
NWS Wilmington, OH
Area
Whole counties

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

The radar

The Cincinnati radar (KILN), 72 km from the middle of the area, began a volume at 19:58 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 12:00Z, 7.9 hours before the alert went out and 74 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 1996-04-29Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cncnati-Daytn, OH at 12:00Z on 1996-04-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -276 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
497 m above ground
0-6 km bulk shear
70 kt
0-1 km storm-relative helicity
-276 m²/s²
0-3 km storm-relative helicity
-76 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KILN 291955
FFWILN
OHC061-KYC037-081-117-191-292300-
 
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE WILMINGTON OH
356 PM EDT MON APR 29 1996
 
THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  700 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTHWEST OHIO
 
   ...HAMILTON COUNTY
 
IN NORTHERN KENTUCKY
 
   ...CAMPBELL COUNTY...GRANT COUNTY...KENTON COUNTY
   ...PENDLETON COUNTY
 
AT 355 PM THE WILMINGTON DOPPLER RADAR CONTINUED TO SHOW A LINE OF
THUNDERSTORMS THAT WERE PRODUCING HEAVY RAINS MOVING THROUGH NORTHERN
KENTUCKY. THE STORMS ARE CAPABLE OF PRODUCING UP TO AN INCH OF RAINFALL
IN LESS THAN A HALF AN HOUR.
 
THE MAIN LINE OF THUNDERSTORMS WILL CROSS INTERSTATE 75 AROUND 415 PM.
THE STORMS CAN PRODUCE FLASH FLOODING BECAUSE THE GROUND IS ALREADY
SATURATED IN THESE AREAS...AND THE INTENSITY OF THE RAINFALL WILL BE SO
GREAT. THE STORMS WILL PASS THROUGH DOWNTOWN CINCINNATI BY 430 PM.
 
NEVER DRIVE YOUR CAR INTO A FLOODED ROADWAY. YOU CAN EASILY
BECOME STRANDED OR TRAPPED. THE DEPTH OF WATER IS NOT ALWAYS
OBVIOUS. IF YOU ARE UNSURE ABOUT THE ROAD CONDITION OR THE WATER
LEVEL AHEAD OF YOU...TURN AR:OUND AND TAKE ANOTHER ROUTE.
 
DANGELO

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 29, 4:55 AM EDTFlash Flood WarningILNBoone, Campbell, Kenton6 hr
Apr 29, 5:33 AM EDTFlash Flood WarningILNCarroll, Gallatin5 hr
Apr 29, 3:46 PM EDTFlash Flood WarningILNBoone, Gallatin, Owen3 hr
Apr 29, 3:46 PM EDTSevere Thunderstorm WarningILNBoone, Gallatin3 hr
Apr 29, 3:46 PM EDTSevere Thunderstorm WarningILNOwen3 hr
Apr 29, 3:56 PM EDTFlash Flood WarningILNGrant, Pendleton3 hr
Apr 29, 4:11 PM EDTSevere Thunderstorm WarningILNCampbell, Kenton49 min
Apr 29, 6:48 PM EDTSevere Thunderstorm WarningILNPendleton27 min
Apr 29, 4:55 AM EDTFlash Flood WarningILNClinton, Fayette, Greene6 hr
Apr 29, 4:55 AM EDTFlash Flood WarningILNDarke, Miami, Montgomery, Preble6 hr
Apr 29, 4:55 AM EDTFlash Flood WarningILNChampaign, Clark6 hr
Apr 29, 11:11 AM EDTFlash Flood WarningILNDarke, Montgomery3 hr
Apr 29, 11:11 AM EDTFlash Flood WarningILNClermont3 hr
Apr 29, 3:57 PM EDTSevere Thunderstorm WarningILNButler, Hamilton48 min
Apr 29, 4:20 PM EDTSevere Thunderstorm WarningILNClermont, Warren40 min
Apr 29, 4:26 PM EDTSevere Thunderstorm WarningILNMontgomery49 min
Apr 29, 4:38 PM EDTSevere Thunderstorm WarningILNClark, Greene52 min
Apr 29, 4:38 PM EDTSevere Thunderstorm WarningILNBrown, Clinton, Highland52 min
Apr 29, 4:51 PM EDTTornado WarningILNClark, Greene, Montgomery39 min
Apr 29, 5:08 PM EDTSevere Thunderstorm WarningILNAdams52 min
Apr 29, 5:08 PM EDTSevere Thunderstorm WarningILNFayette, Madison52 min
Apr 29, 5:08 PM EDTSevere Thunderstorm WarningILNChampaign52 min
Apr 29, 5:24 PM EDTSevere Thunderstorm WarningILNHighland36 min
Apr 29, 5:24 PM EDTSevere Thunderstorm WarningILNClark36 min
Apr 29, 5:42 PM EDTSevere Thunderstorm WarningILNFranklin, Pickaway48 min
Apr 29, 5:42 PM EDTSevere Thunderstorm WarningILNDelaware48 min
Apr 29, 5:43 PM EDTSevere Thunderstorm WarningILNPike, Scioto47 min
Apr 29, 5:54 PM EDTSevere Thunderstorm WarningILNAdams51 min
Apr 29, 6:08 PM EDTSevere Thunderstorm WarningILNLicking52 min
Apr 29, 6:21 PM EDTSevere Thunderstorm WarningILNFairfield, Hocking39 min
Apr 29, 6:57 PM EDTSevere Thunderstorm WarningILNHocking18 min
Apr 29, 7:44 PM EDTFlash Flood WarningILNMontgomery4 hr

Nearby

Flash Flood Warnings in Kentucky, 1996Flash Flood Warnings in Ohio, 1996Every flash flood warning in 1996

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.