Alert archive / Ohio / Flash Flood Warnings in 1995

Flash Flood Warning 19, NWS Wilmington, OH

May 17, 1995Scioto County, Ohio

NWS Wilmington, OH issued this flash flood warning at May 17, 1995, 10:42 AM EDT for Scioto County, Ohio. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
May 17, 1995, 10:42 AM EDT (14:42 UTC)
Expired
May 17, 1995, 1:45 PM EDT
In force
3 hr
Issued by
NWS Wilmington, OH
Area
Whole counties

County Scioto County, OH

The radar

The Cincinnati radar (KILN), 99 km from the middle of the area, began a volume at 14:43 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

Dayton/James M C, OH (KDAY), launched 12:00Z, 2.7 hours before the alert went out and 160 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 1995-05-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 8 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, Dayton/James M C, OH at 12:00Z on 1995-05-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 181 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
8 J/kg
Mixed-layer CIN
-35 J/kg
Mixed-layer LCL
637 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
181 m²/s²
0-3 km storm-relative helicity
228 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 171446
FFWILN
OHC145-171745-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE WILMINGTON OH
1042 AM EDT WED MAY 17 1995
 
THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  145 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTH OHIO
 
   ...SCIOTO COUNTY
 
AT 10:30 AM EDT...SCIOTO COUNTY EMERGENCY MANAGEMENT OFFICE REPORTED A
PORTION OF STATE ROUTE 140 IS CLOSED DUE TO WATER OVER THE ROAD. THE
AREA THAT IS CLOSED IS ABOUT 4 MILES NORTHEAST OF OF SOUTH WEBSTER OHIO.
OTHER ROADS CLOSED INCLUDED HAYPORT ROAD IN WHEELERSBURG.
 
WEATHER SERVICE RADAR ESTIMATED THAT AN OVERNIGHT AND EARLY MORNING RAIN
TOTAL OF UP TO 3.00 INCHES FELL OVER PORTIONS OF SCIOTO COUNTY.
 
THERE WILL BE AN AFTERNOON BREAK IN THE RAINFALL...HOWEVER...SCIOTO
COUNTY CAN EXPECT THE RAIN TO REDEVELOP LATER TONIGHT...POSSIBLY CAUSING
ADDITIONAL FLOODING PROBLEMS.
 
NEVER DRIVE YOUR CAR INTO A FLOODED ROADWAY. YOU CAN EASILY
BECOME STRANDED OR TRAPPED. THE DEPTH OF WATER IS NOT ALWAYS
OBVIOUS. IF YOU ARE UNSURE ABOUT THE ROAD CONDITION OR THE WATER
LEVEL AHEAD OF YOU...TURN AROUND AND TAKE ANOTHER ROUTE.
 
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 17, 10:09 AM EDT, 33 minutes earlier.

Area forecast discussion, May 17, 10:09 AM EDT, 33 minutes before
FORECAST COORDINATION MESSAGE
NATIONAL WEATHER SERVICE WILMINGTON OH
1008 AM EDT WED MAY 17 1995

PRECIP LOOKS LIKE IT WILL CONTINUE TO AFFECT SOUTHERN OH/NORTH KY/
SE INDIANA FOR MOST OF DAY...SM BRKS IN PRECIP OVR SW IN. SHUD SPREAD
NORTHWARD AS COLD FNT TO WEST APPCHS THIS AFT. ALTHO PRECIP WILL
CONT...SVR THREAT LOOKS MINIMAL IN S PART OF CWA THIS AFTERNOON WITH
PRECIP OCCURING...WEAK PVA...BEST JET DYNAMICS TO SOUTH AND WEST...WEAK
VVEL ACCDG TO ETA GRIDDED DATA. MY CONCERN IS FOR AREAS BTWN
DAY...CMH...CVG AND PORTSMOUTH IF SUNSHINE BRKS THRU THIS AFTERNOON
WITH RAIN COOLED BOUNDARY SETTING UP SOMEHWERE IN THIS AREA.

PREV CCF TEMPS LOOK PRETTY GOOD WITH NOT MUCH SUN.

CONTINUE FLAS:H FLOOD/FLOOD WATCHES...

FARINA

In the hours before

Special weather statement, May 17, 8:43 AM EDT, 1 hour 59 minutes before
OHZ015-016-024>026-034-035-042>046-051>056-060>065-070>074-077>082-
086-KYZ089>100-INZ050-058-059-066-073>075-080-172000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
845 AM EST WED MAY 17 1995

THE NATIONAL SEVERE STORMS FORECAST CENTER IN KANSAS CITY INDICATES
THERE IS A SLIGHT RISK OF SEVERE WEATHER ACROSS SOUTHEAST INDIANA
...THE WHITEWATER VALLEY...NORTHERN KENTUCKY...SOUTHWEST
OHIO...SOUTHCENTRAL OHIO...THE MIAMI VALLEY AND WEST CENTRAL OHIO
TODAY.

WARM UNSTABLE AIR IS COVERING THE REGION. SCATTERED THUNDERSTORMS ARE
EXPECTED TO DEVELOP WITH THE POSSIBILITY OF SOME BECOMING SEVERE. THE
MAIN THREAT WILL BE DAMAGING WINDS IN EXCESS OF 58 MPH AND HAIL 3/4
INCH OR LAtRGER MAINLY THIS AFTERNOON INTO THE EVENING.

REMEMBER TO STAY TUNED TO NOAA WEATHER RADIO FOR THE LATEST AND MOST
UP TO DATE WEATHER INFORMATION. AREA WEATHER SPOTTER NETWORKS MAY NEED
TO BE ACTIVATED TODAY.

FARINA
Special weather statement, May 17, 8:46 AM EDT, 1 hour 56 minutes before
OHZ015-016-024>026-034-035-042>046-051>056-060>065-070>074-077>082-
086-KYZ089>100-INZ050-058-059-066-073>075-080-172000-

SPECIAL WEATHER STATEMENT...CORRECTION
NATIONAL WEATHER SERVICE WILMINGTON OH
845 AM EST WED MAY 17 1995

THE NATIONAL SEVERE STORMS FORECAST CENTER IN KANSAS CITY INDICATES
THERE IS A SLIGHT RISK OF SEVERE WEATHER ACROSS SOUTHEAST INDIANA
...THE WHITEWATER VALLEY...NORTHERN KENTUCKY...SOUTHWEST
OHIO...SOUTHCENTRAL OHIO...CENTRAL OHIO...THE MIAMI VALLEY AND WEST
CENTRAL OHIO TODAY.

WARM UNSTABLE AIR IS COVERING THE REGION. SCATTERED THUNDERSTORMS ARE
EXPECTED TO DEVELOP WITH THE POSSIBILITY OF SOME BECOMING SEVERE. THE
MAIN THREAT WILL BE DAMAGING WINDS IN EXCESS OF 58 MPH AND HAIL 3/4
INCH OR LARGER MAINLY THIS AFTERNOON INTO THE EVENING.

REMEMBER TO STAY TUNED TO NOAA WEATHER RADIO FOR THE LATEST AND MOST
UP TO DATE WEATHER INFORMATION. AREA WEATHER SPOTTER NETWORKS MAY NEED
TO BE ACTIVATED TODAY.

FARINA

CORRECTED TO ADD CENTRAL OHIO

The office that day

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

IssuedProductOfficeCountiesLasted
May 17, 12:08 AM EDTSevere Thunderstorm WarningILNBrown37 min
May 17, 12:40 AM EDTSevere Thunderstorm WarningILNClermont35 min
May 17, 2:44 AM EDTFlash Flood WarningILNButler, Preble5 hr
May 17, 8:00 AM EDTFlash Flood WarningILNFayette3 hr
May 17, 8:00 AM EDTFlash Flood WarningILNPreble3 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; radar from the NEXRAD Level II archive.