Alert archive / Kentucky / Flash Flood Warnings in 1996

Flash Flood Warning 57, NWS Wilmington, OH

May 11, 1996Hamilton County, Ohio; Boone County, Kenton County, Kentucky

NWS Wilmington, OH issued this flash flood warning at May 11, 1996, 2:35 AM EDT for Hamilton County, Ohio; Boone County, Kenton 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 11, 1996, 2:35 AM EDT (06:35 UTC)
Expired
May 11, 1996, 5:30 AM EDT
In force
3 hr
Issued by
NWS Wilmington, OH
Area
Whole counties

Counties Boone County, KY, Kenton County, KY, Hamilton County, OH

The radar

The Cincinnati radar (KILN), 80 km from the middle of the area, began a volume at 06:35 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

Lincoln, IL (KILX), launched 00:00Z, 6.6 hours before the alert went out and 364 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, Lincoln, IL at 00:00Z on 1996-05-11Temperature 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, Lincoln, IL at 00:00Z on 1996-05-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 77 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
539 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
77 m²/s²
0-3 km storm-relative helicity
194 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 May 10, 8:42 PM EDT, 5 hours 53 minutes earlier.

Area forecast discussion, May 10, 8:42 PM EDT, 5 hours 53 minutes before
FORECAST COORDINATION MESSAGE
NATIONAL WEATHER SERVICE WILMINGTON OH
840 PM EDT FRI MAY 10 1996

TSTMS HAVE WEAKENED CONSIDERABLY PAST COUPLE OF HRS WITH LOSS OF
DAYTIME HEATING AND OUTFLOW OUTRUNNG STORMS...CUTTING OFF WARM AND
UNSTABLE AIR.  BY 10 PM UPDATE DO NOT XPCT MORE THAN WIDELY SCT
TSTMS UNTIL FNT COMES THRU.  FNT XTNDS FM JUST N OF IND TO JUST S
OF TOL AND SCT RW ALONG FNT WITH ISOL TRW BASED SOLELY ON KIND
REFLECTIVITY.  LDS NOT PICKING UP ANY STRIKES NR FNT IN C IN.

WL CHOP N PART OF FF WATCH OUT BUT LEAVE REMAINDER IN CASE RW/TRW
INC NEAR AND AHEAD OF FNT...NOT TO MENTION RW- BEHIND FNT.

TEMPS WL FALL INTO 50S TNGT WITH LITTLE REBOUND ON SAT AS LOW
CLDS AND CAA PERSIST.

SALNDLER

In the hours before

Special weather statement, May 10, 8:57 PM EDT, 5 hours 38 minutes before
OHZ081-079-053-078-072-046-065-063-055-062-077-080-074-056-054-
064-082-073-088-045-071-KYZ091-097-093-089-090-095-092-100-099-
094-096-201-110300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
857 PM EDT FRI MAY 10 1996

...THE SEVERE THUNDERSTORM WATCH HAS BEEN CANCELLED FOR ALL OF
NORTHERN KENTUCKY...

...THE SEVERE THUNDERSTORM WATCH HAS BEEN CANCELLED FOR SOUTHWEST
   - SOUTH CENTRAL AND CENTRAL OHIO...

A LINE OF SHOWERS AND THUNDERSTORMS WAS WEAKENING CONSIDERABLY AS
THE EVENING WEARS ON.  THEREFORE...THE SEVERE THUNDERSTORM WATCH
HAS BEEN CANCELLED FOR NORTHERN KENTUCKY...SOUTHWEST...SOUTH
CENTRAL AND CENTRAL OHIO.

SANDLER

The office that day

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

IssuedProductOfficeCountiesLasted
May 11, 2:35 AM EDTFlash Flood WarningILNClinton, Warren3 hr
May 11, 5:40 AM EDTFlash Flood WarningILNHamilton, Warren80 min
May 11, 5:44 PM EDTFlash Flood WarningILNDelaware, Union6 hr
May 11, 5:44 PM EDTFlash Flood WarningILNChampaign6 hr
May 11, 12:52 AM EDTFlash Flood WarningILNCarroll, Owen3 hr
May 11, 1:20 AM EDTFlash Flood WarningILNGallatin3 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.