Alert archive / Ohio / Flash Flood Warnings in 1996

Flash Flood Warning 88, NWS Wilmington, OH

May 16, 1996Clermont County, Hamilton County, Ohio; Campbell County, Kentucky

NWS Wilmington, OH issued this flash flood warning at May 16, 1996, 2:14 AM EDT for Clermont County, Hamilton County, Ohio; Campbell County, Kentucky. It was in force for 5 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 16, 1996, 2:14 AM EDT (06:14 UTC)
Expired
May 16, 1996, 7:00 AM EDT
In force
5 hr
Issued by
NWS Wilmington, OH
Area
Whole counties

Counties Campbell County, KY, Clermont County, OH, Hamilton County, OH

The radar

The Cincinnati radar (KILN), 61 km from the middle of the area, began a volume at 06:17 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, 6.2 hours before the alert went out and 63 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 1996-05-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 6 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 1996-05-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 311 square meters per square second.19395878Sfc1 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
6 J/kg
Mixed-layer CIN
-143 J/kg
Mixed-layer LCL
527 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
311 m²/s²
0-3 km storm-relative helicity
366 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.8

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 May 15, 8:39 PM EDT, 5 hours 35 minutes earlier.

Area forecast discussion, May 15, 8:39 PM EDT, 5 hours 35 minutes before
FORECAST COORDINATION MESSAGE
NATIONAL WEATHER SERVICE WILMINGTON OH
835 PM EDT WED MAY 15 1996

A LOT HAPPENG ONCE AGAIN AROUND HERE.  RIVERS ARE COMING OUT OF BANKS.
LITTLE MIAMI...GT MIAMI...WHITEWATER...SCIOTO...OH BRUSH CREEK...W FORK
OF WHITEWATER...AND NOW IT APPEARS OHIO RVR AT CINCINNATI IS GOING TO
TOP OUT AROUND 53 FT...1 FT ABOVE FLOOD STAGE.  RFC SEEMS TO BE
CONTINUALLY UPDATING RVR FCSTS AS NEW QPF AND RIVER STAGES COME IN.

MANY URBAN AND SMALL STREAM FLOOD WARNGS OUT NOW FM SE IN INTO
COUNTIES SURROUNDING OH RVR.  RADAR HAS STRIPE OF 3-5 INCHES OF PCPN
ACCUM TODAY NR OHIO RIVER.  ONLY SAVING GRACE IS THAT IT IS WET ALL
THE WAY UP (1.5 IN PRECIPITABLE WATER) AND NO SVR WX HAPPENING.

FNT JUST S OF CVG AND MOVG AT TORTOISE PACE.  CONSTANT CONVECTION
JUST N OF FNT IS HOLDG IT UP AND STILL HAVE CELLS TO IND MOVG SE
BUT ACTIVITY MORE SCT THAN A FEW HRS AGO.

INTERESTG CIRCULATION MOVG INTO WC IN...THE REMNANTS OF CONVECTION
OVER IA.  THIS MAY INTERACT WITH FNT NR S OH LTR TNGT.  IN ANY
EVENT...WL GO HARD ON POPS TNGT OVER S AND C AND LESS IN N.  THIS
IS SIMILAR TO FCST.  WL KEEP FLOOD WATCH ALIVE TO DAY AND CMH BUT
NOT FARTHER N SINCE FNT SLOW AND MAY NOT GET TO CMH UNTIL NR SUNRISE.

CANNOT GET PICKY WITH REST OF FCST.  REMNANTS OF MCS'S...UNCERTAINTY
OF FRONTAL POSITION ACROSS OH...SOMEWHAT UNSTABLE ATM...AND PLENTY OF
MOISTURE WL MAKE TIMING FUTILE.  IT LOOKS MILD AND UNSETTLED ENOUGH
THAT FLOODING WOES 8WL CONTINUE AND THERE COULD BE SOME SEVERE IN WRM
SECTOR ON THU AFT.

SANDLER

The office that day

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

IssuedProductOfficeCountiesLasted
May 15, 8:00 PM EDTFlash Flood WarningILNAdams, Scioto4 hr
May 15, 8:00 PM EDTFlash Flood WarningILNBrown, Clermont4 hr
May 15, 10:32 PM EDTFlash Flood WarningILNAdams, Scioto3 hr
May 16, 1:21 AM EDTFlash Flood WarningILNAdams, Scioto6 hr
May 16, 2:14 AM EDTFlash Flood WarningILNBrown5 hr
May 16, 1:42 PM EDTSevere Thunderstorm WarningILNPutnam33 min
May 15, 8:00 PM EDTFlash Flood WarningILNMason4 hr
May 15, 10:35 PM EDTFlash Flood WarningILNGrant4 hr
May 15, 10:35 PM EDTFlash Flood WarningILNCampbell4 hr

Nearby

Flash Flood Warnings in Ohio, 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.