Alert archive / Ohio / Flash Flood Warnings in 1996

Flash Flood Warning 41, NWS Wilmington, OH

May 4, 1996Greene County, Ohio

NWS Wilmington, OH issued this flash flood warning at May 4, 1996, 1:50 PM EDT for Greene County, Ohio. It was in force for 4 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 4, 1996, 1:50 PM EDT (17:50 UTC)
Expired
May 4, 1996, 6:00 PM EDT
In force
4 hr
Issued by
NWS Wilmington, OH
Area
Whole counties

County Greene County, OH

The radar

The Cincinnati radar (KILN), 31 km from the middle of the area, began a volume at 17:53 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 12:00Z, 5.8 hours before the alert went out and 30 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 12:00Z on 1996-05-04Temperature 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 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 12:00Z on 1996-05-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -5 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
688 m above ground
0-6 km bulk shear
60 kt
0-1 km storm-relative helicity
-5 m²/s²
0-3 km storm-relative helicity
215 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 041751
FFWILN
INC161-177-OHC021-023-037-057-109-113-135-042200-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE WILMINGTON OH
150 PM EDT (1250 PM EST) SAT MAY 4 1996
 
THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  6 PM EDT (5 PM EST)
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN EAST CENTRAL INDIANA
 
   ...UNION COUNTY...WAYNE COUNTY
 
 
IN WEST CENTRAL OHIO
 
   ...CHAMPAIGN COUNTY...CLARK COUNTY...DARKE COUNTY
   ...GREENE COUNTY...MIAMI COUNTY...MONTGOMERY COUNTY...PREBLE COUNTY
 
HEAVY RAIN IS HEADED BACK INTO THE MIAMI AND WHITEWATER VALLEYS THIS
AFTERNOON. WITH THE GROUND ALREADY SATURATED...FLOODING IS LIKELY TO
OCCUR WITH ANY HEAVY RAIN. RAINFALL AMOUNTS OF AN INCH AN HOUR CAN BE
EXPECTED IN THESE AREAS OF PRECIPITATION.
 
REMEMBER THAT MOST FLOOD DEATHS ARE THE RESULT OF EITHER DRIVING
INTO FLOOD WATERS OR CHILDREN PLAYING IN FLOODED AREAS. NEVER DRI4VE
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.
 
FARINA

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 4, 9:39 AM EDT, 4 hours 11 minutes earlier.

Area forecast discussion, May 4, 9:39 AM EDT, 4 hours 11 minutes before
FORECAST COORDINATION MESSAGE
NATIONAL WEATHER SERVICE WILMINGTON OH
940 AM EDT SAT MAY 4 1996

SFC BNDRY LOCATED OVR FCST AREA THIS AM...THRU E CNTL IN/DAY VCNTY
AND PTS N...BUT STILL SLGTLY N/W OF CMH-CVG AND PTS S/E. AS SFC WV
MOVES OUT OF OF NE OH AND INTO PA...N SECTION OF FRNT MAY PUSH A
BIT FARTHER S/E...BUT W END OF FRNT SHUD REMAIN CLOSE TO CURRNT PSN
TDA. ACRS FCST AREA...PATCHES OF LOW CLDS/FOG LEFTOVER FROM OVERNITE
RAIN. WHERE LOW CLDS HAVE SCT OUT...SUN FILTERED BY HI OVC BLOWN OFF
UPSTRM MCS. WIDELY SCT RW ACRS IN/W OH...BUT DO NOT EXPECT THESE
SHOWERS TO INTENSIFY DUE TO TEMPORARY STABILIZATION FROM EARLY AM
RAIN. FARTHER UPSTREAM...IMPRESSIVE MCS MOVG INTO E MO/W IL...WL
BE APPROACHING FCST AREA BY MID AFTN. QUESTION IS WHETHER FEATURE
WL WEAKEN BEFORE IT MOVES INTO REGION...BUT RW/TRW APPR LIKELY/PSBLY
SVR...ESP S HLF OF AREA. CONT FLOOD WATCH ACRS OH COUNTIES...FLASH
FLOOD WATCH SUGGESTED IN/KY COUNTIES.

AFTN TMPSV 65-70 N/NW...ARND 70 CNTL...70-75 S.

ROWLEY

In the hours before

Special weather statement, May 4, 1:04 PM EDT, 46 minutes before
OHZ042-051-060-061-070-071-077-078-KYZ089>096-INZ050-058-059-
066-073>075-080-042300-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
104 PM EST SAT MAY 4 1996

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 7 PM EDT (6 PM EST)
FOR PARTS OF WESTERN AND SOUTHERN OHIO...NORTHERN KENTUCKY...EAST
CENTRAL AND SOUTHEAST INDIANA...

THE STORMS PREDICTION CENTER IN KANSAS CITY...MISSOURI HAS ISSUED A
SEVERE THUNDERSTORM WATCH UNTIL 7 PM EDT (6 PM EST) FOR SECTIONS OF
SOUTHERN AND WESTERN OHIO...EASTERN INDIANA...AND NORTHERN KENTUCKY.
AN AREA OF SHOWERS AND THUNDERSTORMS WILL MOVE ACROSS THE REGION DURING
THE AFTERNOON HOURS. WITH WARM AND HUMID AIR MOVING INTO THE OHIO
VALLEY AND A STATIONARY FRONT DRAPED ACROSS THE REGION...THE CONDITIONS
ARE SETTING UP FOR THE POTENTIAL OF SEVERE THUNDERSTORMS DURING THE
AFTERNOON HOURS.

REMEMBER...A SEVERE THUNDERSTORM WATCH INDICATES THE POTENTIAL FOR
SEVERE THUNDERSTORMS IN AND NEAR THE WATCH AREA.  SEVERE THUNDERSTORMS
CAN AND WILL PRODUCE LARGE HAIL AND DAMANGING WINDS IN EXCESS OF 58 MPH.

THE FOLLOWING CITIES ARE INCLUDED IN THE WATCH AREA:

CINCINNATI...DAYTON...RICHMOND AND DRY RIDGE

KELLS

The office that day

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

IssuedProductOfficeCountiesLasted
May 4, 12:23 AM EDTSevere Thunderstorm WarningILNAdams67 min
May 4, 12:23 AM EDTSevere Thunderstorm WarningILNClermont67 min
May 4, 12:30 AM EDTSevere Thunderstorm WarningILNBrown60 min
May 4, 12:52 AM EDTFlash Flood WarningILNBrown, Clermont2 hr
May 4, 1:22 AM EDTFlash Flood WarningILNScioto53 min
May 4, 1:22 AM EDTSevere Thunderstorm WarningILNScioto53 min
May 4, 1:42 AM EDTFlash Flood WarningILNAdams3 hr
May 4, 3:10 AM EDTSevere Thunderstorm WarningILNClermont, Clinton50 min
May 4, 3:23 AM EDTFlash Flood WarningILNPreble3 hr
May 4, 3:39 AM EDTFlash Flood WarningILNMontgomery3 hr
May 4, 4:39 AM EDTFlash Flood WarningILNAdams3 hr
May 4, 1:50 PM EDTFlash Flood WarningILNChampaign, Clark, Darke, Miami, Montgomery4 hr
May 4, 1:50 PM EDTFlash Flood WarningILNPreble4 hr
May 4, 3:07 PM EDTSevere Thunderstorm WarningILNAdams53 min
May 4, 3:13 PM EDTSevere Thunderstorm WarningILNHamilton32 min
May 4, 3:20 PM EDTSevere Thunderstorm WarningILNHighland25 min
May 4, 3:24 PM EDTSevere Thunderstorm WarningILNClermont, Warren21 min
May 4, 3:31 PM EDTSevere Thunderstorm WarningILNPike, Scioto29 min
May 4, 3:37 PM EDTFlash Flood WarningILNAdams3 hr
May 4, 3:48 PM EDTSevere Thunderstorm WarningILNClinton27 min
May 4, 3:57 PM EDTSevere Thunderstorm WarningILNPike, Scioto48 min
May 4, 4:09 PM EDTSevere Thunderstorm WarningILNHighland66 min
May 4, 4:15 PM EDTFlash Flood WarningILNBrown, Clermont, Clinton3 hr
May 4, 4:15 PM EDTFlash Flood WarningILNButler, Hamilton, Warren3 hr
May 4, 4:43 PM EDTSevere Thunderstorm WarningILNPike, Ross47 min
May 4, 4:49 PM EDTSevere Thunderstorm WarningILNBrown26 min
May 4, 4:53 PM EDTSevere Thunderstorm WarningILNAdams37 min
May 4, 5:11 PM EDTSevere Thunderstorm WarningILNScioto64 min
May 4, 5:28 PM EDTTornado WarningILNScioto47 min
May 4, 6:58 PM EDTFlash Flood WarningILNAdams2 hr
May 4, 7:41 PM EDTFlash Flood WarningILNPike2 hr

Nearby

Flash 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.