Alert archive / Ohio / Flash Flood Warnings in 1995

Flash Flood Warning 35, NWS Wilmington, OH

May 18, 1995Ross County, Ohio

NWS Wilmington, OH issued this flash flood warning at May 18, 1995, 7:47 PM EDT for Ross County, Ohio. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued
May 18, 1995, 7:47 PM EDT (23:47 UTC)
Expired
May 19, 1995, 12:30 AM EDT
In force
5 hr
Issued by
NWS Wilmington, OH
Area
Whole counties

County Ross County, OH

The nearest sounding before it

Dayton/James M C, OH (KDAY), launched 12:00Z, 11.8 hours before the alert went out and 116 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, Dayton/James M C, OH at 12:00Z on 1995-05-18Temperature 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, Dayton/James M C, OH at 12:00Z on 1995-05-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 298 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
631 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
298 m²/s²
0-3 km storm-relative helicity
520 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 182351
FFWILN
OHC141-190445-
 
BULLETIN
FLOOD WARNING
NATIONAL WEATHER SERVICE WILMINGTON OH
747 PM EDT THU MAY 18 1995
 
THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A
FLOOD WARNING FOR URBAN AREAS AND SMALL STREAMS EFFECTIVE UNTIL 1230 AM
EDT FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN CENTRAL OHIO
 
   ...ROSS COUNTY
 
ROSS COUNTY OFFICIALS HAVE REPORTED SEVERAL STATE AND COUNTY ROAD
CLOSURES ACROSS ROSS COUNTY. HIGH WATER WAS A PROBLEM ALONG STATE ROUTE
41 AND COUNTY ROAD 772 IN SOUTHERN ROSS COUNTY.
 
ADDITIONAL RAINFALL IS EXPECTED...SO FLOOD CONDITIONS ARE EXPECTED TO
WORSEN.
 
REMEMBER THAT MOST FLOOD DEATHS ARE THE RESULT OF EITHER DRIVING
INTO FLOOD WATERS OR CHILDREN PLAYING IvN FLOODED AREAS. NEVER DRIVE
INTO FLOODED ROADWAYS. THE WATER LEVEL MAY BE MUCH DEEPER THAN YOU
THINK...OR THE ROAD MAY BE WASHED OUT COMPLETELY. DO NOT LET YOUR
CHILDREN PLAY NEAR DRAINAGE DITCHES OR STREAMS.
 
 
DIAN

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 18, 2:04 PM EDT, 5 hours 43 minutes earlier.

Area forecast discussion, May 18, 2:04 PM EDT, 5 hours 43 minutes before
FORECAST COORDINATION MESSAGE
NATIONAL WEATHER SERVICE WILMINGTON OH
204 PM EDT THU MAY 18 1995

EVERYTHING LINING UP ACS S OH/S IN/N KY FOR ANOTHER ROUND OF RW+ AND
SEVERE TRW. APPCH OF SFC LO/VORT MAX(WEAKENING BUT STILL STRONG)/850
JET/THTA-E RDG IN PLACE/HI PWS ALL PINPOINT S PART OF CWA FROM APPROX
21Z THRU 06Z. L2Z SHWS HORRENDOUS +50 OVR OH VLY ON MOIST CONV!!! NVR
SEEN THAT BEFORE. WUD SUSPECT THAT BOXES WILL FLW SEVERE WX NOW IN S
IL/MO AS 500 VORT LIFTS. GOOD AMT OF SHER NEAR SFC BNDRY WUD LEAD TO
BLV THAT TOR BOX POSS.

REST OF FCST SHWS IMPROVEMENT...THINGS SHOULD START TO CLR OUT AFT PASS
OF 700 AND 500 MB TROF AROUND 12Z FRI AM...WITH PRETTY NICE DAY IN
STORE FOR SAT.

WILL PFOLLOW FWC TEMPS FOR HI/S...

DAY 56/70/49/75 *100
CVG 59/71/50/77 *100
CMH 54/71/46/77 *300

FARINA

In the hours before

Special weather statement, May 18, 5:13 PM EDT, 2 hours 34 minutes before
INZ074-066-075-073-080-KYZ091-093-089-090-095-092-094-190415-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
511 PM EDT (411 PM EST) THU MAY 18 1995

...A TORNADO WATCH HAS BEEN POSTED FOR SOUTHEAST INDIANA AND MUCH OF
NORTHERN KENTUCKY UNTIL MIDNIGHT EDT (1100 PM EST)...

MORE SEVERE WEATHER IS EXPECTED TO FORM AND ENTER INTO NORTHERN KENTUKCY
AND SOUTHEAST INDIANA THIS EVENING AND TONIGHT.  THE ATMOSPHERE ACROSS
THE ENTIRE REGION IS EXTREMELY UNSTABLE AND SEVERE WEATHER IS LIKELY...
ESPECIALLY IN SOTHEAST INDIANA AND NORTHERN KENTUCKY.

AS A RESULT A TORNADO WATCH HAS BEEN POSTED FOR ALL OF SOUTHEAST
INDIANA...AS WELL AS BOONE...CAMPBELL..CARROLL...GALLATIN...GRANT
...KENTON...AND OWEN COUNTIES IN NORTHERN KENTUCKY.

SOME OF THE THUNDERSTORMS THIS EVENING AND TONIGHT WILL LIKELY CONTAIN
LARGE HAIL...DAMAGING WINDS...DEADLY LIGHTNING AND EVEN TORNADOES.

THOSE IN AND CLOSE TO THE WATCH AREA SHOULD KEEP TUNED TO NOAA WEATHER
RADIO AND LOCAL MEDIA FOR ADDITIONAL STATEMENTS AND POSSIBLE WARNINGS.
IF THREATENING WEATHER IS OBSERVED...MOVE TO SHELTER IMMEDIATELY.

HYSELL

The office that day

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

IssuedProductOfficeCountiesLasted
May 18, 4:53 AM EDTFlash Flood WarningILNButler, Hamilton4 hr
May 18, 7:00 AM EDTFlash Flood WarningILNClark, Montgomery3 hr
May 18, 7:20 AM EDTFlash Flood WarningILNWarren4 hr
May 18, 9:22 AM EDTFlash Flood WarningILNPike, Ross3 hr
May 18, 9:44 AM EDTFlash Flood WarningILNPreble3 hr
May 18, 9:44 AM EDTFlash Flood WarningILNScioto3 hr
May 18, 9:57 AM EDTFlash Flood WarningILNDarke3 hr
May 18, 1:00 PM EDTFlash Flood WarningILNClermont2 hr
May 18, 5:52 PM EDTFlash Flood WarningILNDarke6 hr

Nearby

Flash Flood Warnings in Ohio, 1995Every flash flood warning in 1995

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.