Alert archive / Indiana / Flash Flood Warnings in 1996

Flash Flood Warning 28, NWS Wilmington, OH

May 3, 1996Switzerland County, Indiana; Carroll County, Kentucky

NWS Wilmington, OH issued this flash flood warning at May 3, 1996, 10:27 PM EST for Switzerland County, Indiana; Carroll 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
May 3, 1996, 10:27 PM EST (03:27 UTC)
Expired
May 4, 1996, 1:30 AM EST
In force
3 hr
Issued by
NWS Wilmington, OH
Area
Whole counties

Counties Switzerland County, IN, Carroll County, KY

The radar

The Louisville radar (KLVX), 114 km from the middle of the area, began a volume at 03:27 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, 3.5 hours before the alert went out and 134 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 1996-05-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 298 joules per kilogram.LCLLFCEL10008507005003002001001 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 00:00Z on 1996-05-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 64 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
298 J/kg
Mixed-layer CIN
-26 J/kg
Mixed-layer LCL
1273 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
64 m²/s²
0-3 km storm-relative helicity
143 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.9

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KILN 040330
FFWILN
INC029-115-155-KYC041-040630-
 
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE WILMINGTON OH
1127 PM EDT (1027 PM EST) FRI MAY 3 1996
 
THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  230 AM EDT (130 AM EST)
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTHEAST INDIANA
 
   ...DEARBORN COUNTY...OHIO COUNTY...SWITZERLAND COUNTY
 
 
IN NORTH KENTUCKY
 
   ...CARROLL COUNTY
 
AT 1125 PM NATIONAL WEATHER SERVICE RADAR INDICATED VERY HEAVY RAIN
OVER SOUTHEAST INDIANA AND PORTIONS OF NORTHERN KENTUCKY. REPORTS
RECIEVED FROM THE AREA INDICATED UP TO TWO INCHES OF RAIN HAD FALLEN...
AND RADAR ESTIMATES ALSO INDICATED A LITTLE OVER TWO INCHES OF RAIN
ALONG THE SWITZERLAND AND OHIO COUNTIES LINE.
 
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE
THE DANGERS OF FLOODS AND FLASH FLOODS. IF FLOODING IS OBSERVED...
ACT QUICKLY. MOVE TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT
STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
 
TORRENCE

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 May 3, 7:35 PM EST, 2 hours 52 minutes earlier.

Area forecast discussion, May 3, 7:35 PM EST, 2 hours 52 minutes before
FORECAST COORDINATION MESSAGE
NATIONAL WEATHER SERVICE WILMINGTON OH
835 PM EDT FRI MAY 3 1996

LTST SFC ANLYS SHWS LO PRES OVR XTRM SRN ONT WITH TRAILING CDFNT
FM N CNTRL OH THRU CNTRL IN...SRN IL AND CNTRL MO. SCTD SHWRS AND ISO
TSTMS HV DVLPD IN ERN IN AND WRN OH. 1/2 INCH HAIL WAS CORRELATED
WITH VIL OF 35 G/KG IN NRN DEARBORN CTY. WE THINK VIL OF DAY IS
ARND 38. THIS CNVTN HS WEAKENED IN PAST HR. ATTENTION FOCUSES ON AREA
OF STG CNVTN WHICH HS DVLPD JUST N OF E-W BNDRY OVR SRN IL WHERE BEST
UPR SUPP AND WAA EXISTS. XPCT TSTM COMPLEX TO SLIDE E INTO SRN OH
AND NRN OH WITH GOOD UPR DIV AND H8 CNVRGC WORKING INTO WRN FA TWD
06Z. ILN EVE SOUNDING SHWS CAPE ARND 1500 J/KG...LI=-4 AND FVRBL WBZ
FOR LRG HAIL ARND 7000 FT. XPCT FNT FNTL BNDRY TO LAY OUT E-W PARALLEL
TO UPR FLO ACRS OH VLY. XPCT CNVTN TO DIMINISH LT TNGT WITH ANOTHER
ENHANCED CHC OF TSTM SAT AFTN ACRS SRN OH AND NRN KY. RECENT RAINS HV
RIVERS RUNNING HI AND CTY FFG IS ARNDN 1/2 INCH PER HR. WL CONT FLOOD
POTENTIAL OUTLOOK WITH HIGHLIGHT OVR SRN OH/SE IN/NRN KY AREA.

RANDALL

In the hours before

Special weather statement, May 3, 7:01 PM EST, 3 hours 26 minutes before
INZ066-073-074-075-080-KYZ089-090-094-030600-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
800 PM EDT (700 PM EST) FRI MAY 3 1996

...SEVERE THUNDERSTORM WATCH FOR PORTIONS OF SOUTHEAST INDIANA AND
   NORTHERN KENTUCKY UNTIL 2 AM EDT (1 AM EST)...

A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 200 AM EDT (1 AM EST)
FOR PORTIONS OF SOUTHEAST INDIANA AND NORTH CENTRAL KENTUCKY.

INDIANA COUNTIES IN THE WATCH INCLUDE...FRANKLIN...RIPLEY...DEARBORN...
OHIO...AND SWITZERLAND. COUNTIES IN NORTH CENTRAL KENTUCKY INCLUDED
IN THE WATCH ARE...CARROLL...GALLATIN...AND OWEN.

REMEMBER...A WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE WEATHER
IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON
THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER
STATEMENTS AND POSSIBLE WARNINGS.

RANDALL

The office that day

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

IssuedProductOfficeCountiesLasted
May 3, 9:29 PM ESTFlash Flood WarningILNOhio, Switzerland61 min
May 3, 10:27 PM ESTFlash Flood WarningILNDearborn, Ohio3 hr
May 4, 1:35 AM ESTFlash Flood WarningILNFayette3 hr
May 4, 2:23 AM ESTFlash Flood WarningILNUnion, Wayne3 hr
May 4, 12:50 PM ESTFlash Flood WarningILNUnion, Wayne4 hr
May 4, 1:35 PM ESTFlash Flood WarningILNFayette, Franklin2 hr
May 4, 2:35 PM ESTSevere Thunderstorm WarningILNSwitzerland10 min
May 3, 10:38 PM ESTSevere Thunderstorm WarningILNGrant, Owen67 min
May 3, 10:44 PM ESTFlash Flood WarningILNBoone3 hr
May 3, 10:58 PM ESTFlash Flood WarningILNKenton3 hr
May 3, 11:15 PM ESTFlash Flood WarningILNPendleton60 min
May 3, 11:20 PM ESTSevere Thunderstorm WarningILNBracken, Robertson70 min
May 3, 11:30 PM ESTSevere Thunderstorm WarningILNMason60 min
May 3, 11:48 PM ESTFlash Flood WarningILNBracken117 min
May 3, 11:52 PM ESTFlash Flood WarningILNMason2 hr
May 4, 2:28 AM ESTSevere Thunderstorm WarningILNCampbell, Kenton32 min
May 4, 2:44 PM ESTSevere Thunderstorm WarningILNBoone, Gallatin31 min
May 4, 2:54 PM ESTSevere Thunderstorm WarningILNGrant51 min
May 4, 3:06 PM ESTSevere Thunderstorm WarningILNPendleton54 min
May 4, 3:24 PM ESTSevere Thunderstorm WarningILNBracken, Robertson51 min
May 4, 3:49 PM ESTSevere Thunderstorm WarningILNMason26 min
May 4, 3:53 PM ESTSevere Thunderstorm WarningILNLewis37 min
May 4, 4:05 PM ESTFlash Flood WarningILNGrant, Pendleton3 hr
May 4, 4:05 PM ESTFlash Flood WarningILNBracken, Lewis, Mason, Robertson3 hr
May 4, 4:32 PM ESTSevere Thunderstorm WarningILNLewis28 min

Nearby

Flash Flood Warnings in Indiana, 1996Flash 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.