Alert archive / Kentucky / Flash Flood Warnings in 1996

Flash Flood Warning 20, NWS Wilmington, OH

April 29, 1996Boone County, Gallatin County, Owen County, Kentucky

NWS Wilmington, OH issued this flash flood warning at Apr 29, 1996, 3:46 PM EDT for Boone County, Gallatin County, Owen County, Kentucky. 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, 3:46 PM EDT (19:46 UTC)
Expired
Apr 29, 1996, 6:45 PM EDT
In force
3 hr
Issued by
NWS Wilmington, OH
Area
Whole counties

Counties Boone County, KY, Gallatin County, KY, Owen County, KY

The radar

The Cincinnati radar (KILN), 113 km from the middle of the area, began a volume at 19:48 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, 7.8 hours before the alert went out and 115 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

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Wilmington, OH wrote its last area forecast discussion before this flash flood warning went out at Apr 29, 1:55 PM EDT, 1 hour 51 minutes earlier.

Area forecast discussion, Apr 29, 1:55 PM EDT, 1 hour 51 minutes before
FORECAST COORDINATION MESSAGE
NATIONAL WEATHER SERVICE WILMINGTON OH
155 PM EDT MON APR 29 1996

TRW'S DEVELOPING ACROSS WRN KY AND SRN IN THIS AFTERNOON AND EXPECTED
TO MOVE INTO WRN OH BY LATE THIS AFTERNOON.  WITH SUN...AREA IS MORE
UNSTABLE THAN MODELS DEPICT.  LOOP FROM KLVX INDICATES STORMS MOVING
MORE NORTH THAN EAST.  MODELS INDICATE UPPER TROF TO DEEPEN WHICH WL
MAKE UPPER WINDS BECOME MORE SOUTHERLY AND RAIN MOVE OVER SAME AREAS
LATE THIS AFTERNOON AND TONIGHT.  THUS THINK THAT WITH COUNTY FLOOD
GUIDANCE IN THE .50 INCHES/HOUR AND CURRENT FLOODING PROBLEMS FLOOD
WATCH SHOULD C0NTINUED PER COOORDINATION WITH CLE.

CONDITIONS TO BE BECOME STABLE BY 12Z TUE SO CHC RW ONLY LOOKS GOOD FOR
TUE AND TUE NIGHT.   TEMPS NEARLY STEADY ON TUE WITH CAA AND CLOSE TO
MOS ALL PERIODS.

SVR TSTM WATCH BOX JUST ISSUED FOR SERN IND...NRN KY...AND SWRN OH.

CVG 48/54/40/60
DAY 47/51/39/59
CMH 50/55/37/57

WILKINSON

In the hours before

Special weather statement, Apr 29, 2:47 PM EDT, 59 minutes before
...SEVERE THUNDERSTORM WATCH IN EFFECT FOR ALL OF SOUTHEASTERN INDIANA
MOST OF SOUTHWESTERN OHIO...AND PARTS OF NORTHERN KENTUCKY...

AN AREA OF STRONG TO SEVERE THUNDERSTORMS WAS DEVELOPING ACROSS CENTRAL
AND EASTERN INDIANA AND NORTHERN KENTUCKY THIS AFTERNOON.  THIS AREA IS
EXPECTED TO MOVE INTO SOUTHWESTERN OHIO AND NORTHERN KENTUCKY AFTER 300
PM EDT (200 PM EDT).  GUSTY WINDS...LARGE HAIL...TORRENTIAL DOWNPOURS
...AND FREQUENT LIGHTNING ARE POSSIBdLE WITH THESE STORMS.

RESIDENTS OF THESE AREAS SHOULD KEEP AN EYE TO THE WESTERN SKY AS THESE
STORMS MAY APPROACH RAPIDLY.  STAY TUNED TO NOAA WEATHER RADIO FOR
FURTHER UPDATES.

WILKINSON
Special weather statement, Apr 29, 2:59 PM EDT, 47 minutes before
OHZ060>063-070>072-077>080-KYZ089>099-INZ050-058-059-066-073>075-
080-300000-
SPECIAL WEATHER STATEMENT...RETRANSMITTED
NATIONAL WEATHER SERVICE WILMINGTON OH
258 PM EDT (158 PM EST) MON APR 29 1996

...SEVERE THUNDERSTORM WATCH IN EFFECT FOR ALL OF SOUTHEASTERN INDIANA
...MOST OF SOUTHWESTERN OHIO...AND PARTS OF NORTHERN KENTUCKY...

AN AREA OF STRONG TO SEVERE THUNDERSTORMS WAS DEVELOPING ACROSS CENTRAL
AND EASTERN INDIANA AND NORTH-CENTRAL KENTUCKY THIS AFTERNOON.  THIS
AREA IS EXPECTED TO MOVE INTO SOUTHWESTERN OHIO AND NORTHERN KENTUCKY
AFTER 315 PM EDT (215 PM EST).  GUSTY WINDS...LARGE HAIL...TORRENTIAL
DOWNPOURS...AND FREQUENT LIGHTNING ARE POSSIBLE WITH THESE STORMS.

RESIDENTS OF THESE AREAS SHOULD KEEP AN EYE TO THE WESTERN SKY AS THESE
STORMS MAY APPROACH RAPIDLY.  STAY TUNED TO NOAA WEATHER RADIO FOR
FURTHER UPDATES.

WILKINSON

...RETRANSMITTED WITH PROPER HEADING...

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 29, 4:55 AM EDTFlash Flood WarningILNButler, Clermont, Hamilton, Warren6 hr
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, 3:56 PM EDTFlash Flood WarningILNHamilton3 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
Apr 29, 5:33 AM EDTFlash Flood WarningILNCarroll, Gallatin5 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, 1:40 AM EDTFlash Flood WarningILNDearborn, Franklin, Ohio, Ripley, Switzerland6 hr
Apr 29, 1:40 AM EDTFlash Flood WarningILNFayette, Union, Wayne6 hr
Apr 29, 7:35 AM EDTFlash Flood WarningILNDearborn, Franklin, Ohio, Ripley9 hr
Apr 29, 7:35 AM EDTFlash Flood WarningILNFayette, Union, Wayne9 hr
Apr 29, 7:35 AM EDTFlash Flood WarningILNSwitzerland9 hr
Apr 29, 3:31 PM EDTSevere Thunderstorm WarningILNDearborn, Ohio29 min
Apr 29, 3:31 PM EDTSevere Thunderstorm WarningILNSwitzerland29 min
Apr 29, 7:35 PM EDTFlash Flood WarningILNDearborn, Franklin, Ripley5 hr
Apr 29, 7:35 PM EDTFlash Flood WarningILNFayette, Union5 hr

Nearby

Flash Flood Warnings in Kentucky, 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.