Alert archive / Ohio / Flash Flood Warnings in 1996

Flash Flood Warning 39, NWS Wilmington, OH

May 4, 1996Adams County, Ohio

NWS Wilmington, OH issued this flash flood warning at May 4, 1996, 4:39 AM EDT for Adams County, Ohio. 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 4, 1996, 4:39 AM EDT (08:39 UTC)
Expired
May 4, 1996, 7:45 AM EDT
In force
3 hr
Issued by
NWS Wilmington, OH
Area
Whole counties

County Adams County, OH

The radar

The Cincinnati radar (KILN), 71 km from the middle of the area, began a volume at 08:40 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, 8.7 hours before the alert went out and 71 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 1996-05-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 298 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 1996-05-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 64 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
298 J/kg
Mixed-layer CIN
-26 J/kg
Mixed-layer LCL
1273 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
64 m²/s²
0-3 km storm-relative helicity
143 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.9

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KILN 040843
FFWILN
OHC001-041145-
 
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE WILMINGTON OH
439 AM EDT SAT MAY 4 1996
 
THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  745 AM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTHWEST OHIO
 
   ...ADAMS COUNTY
 
RAIN...HEAVY AT TIMES WILL CONTINUE INTO THE EARLY MORNING. WITH STREAMS
AND CREEKS ALREADY AT OR ABOVE BANKFULL...FLASH FLOODING WILL CONTINUE.
RADAR INDICATES THAT 1 TO 2 INCHES OF RAIN HAS ALREADY FALLEN IN THE
AREA...WITH ANOTHER INCH POSSIBLE.
 
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE
THE DANGERS OF FLOODS AND FLASH FLOODS. IF FLOODING IS OBSERVED...
ACT QUICKLY. MOVE TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT
STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
 
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, 3:09 AM EDT, 1 hour 30 minutes earlier.

Area forecast discussion, May 4, 3:09 AM EDT, 1 hour 30 minutes before
FORECAST COORDINATION MESSAGE
NATIONAL WEATHER SERVICE WILMINGTON OH
310 AM EDT SAT MAY 4 1996

88D AND SAT PICS INDICATE FIRST BOUT OF SVR CONVECTION MOVING TO THE
EAST OUT OF SRN PORTION OF FA. NEXT ROUND GETTING READY TO MOVE INTO
WRN OH. THIS AREA OF CONVECTION...NOW IN INDIANA...LOCATED IN
MARGINALLY STABLE AREA...THUS PRODUCING LOTS OF LIGHTNING AND HVY RAIN.
PROBLEM WILL BE TO DETERMINE THE PREFERRED MODEL AND THEN TIME THE WX
INTO FA. ALL MODELS DIFFER AT THIS TIME. PREFERENCE IS AVN. WITH STRONG
MID TO UPPER LEVEL WESTERLY FLOW...FEEL ETA PUSHES FRONT TOO FAR TO THE
SOUTH. GRIDDED DATA APPEARS TO BRING A BREAK IN THE PRECIP OVER FA TDY.
STRONG/DEEP UVV EVIDENT INTO EARLY MORNING TDY...THEN AGAIN FROM LATE
TONIGHT...ABOUT 03Z...THROUGH MID MORNING ON SUNDAY. DYNAMICALLY
INDUCED SYSTEMS RESULT FROM LOW LEVEL FRONTAL POSITION AND WEAK MID
LEVEL PERTERBATIONS. EXPECT RW/TRW DURING THESE PERIODS...WITH MAINLY
R/RW DURING THE DAY SUNDAY...POSSIBLY ENDING BY EARLY AFTERNOON SUNDAY.

DISTEFANO

In the hours before

Special weather statement, May 4, 1:28 AM EDT, 3 hours 11 minutes before
OHZ078-079-081-082-088-KYZ090>100-040900-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
125 AM EDT SAT MAY 4 1996

...SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR PORTIONS OF EXTREME
SOUTHERN OHIO AND PARTS OF NORTHERN AND EASTERN KENTUCKY UNTIL 5 AM
EDT...

SEVERE THUNDERSTORMS THAT HAVE BEEN AFFECTING PORTIONS OF SOUTHWEST
OHIO...SOUTHEAST INDIANA AND NORTHERN KENTUCKY WILL MOVE EAST INTO THE
ABOVE MENTIONED AREAS. EXPECT DAMAGING WINDS AND LARGE HAIL TO
ACCOMPANY THESE STORMS.

PEOPLE LIVING IN THESE AREAS SHOULD PAY CLOSE ATTENTION TO WEATHER
DEVELOPMENTS AS THESE STORMS APPROACH. BE READY TO MOVE TO SHELTER IF
SEVERE WEATHER IS OBSERVED OR A WARNING IS ISSUED FOR YOUR AREA.

DISTEFANO
Local storm report, May 4, 1:40 AM EDT, 2 hours 59 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OH
139 AM EDT SAT MAY 04 1996

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

100 AM        COUNTYWIDE            OH        NUMEROUS TREES DOWN
05/04/96      BROWN                           SOME IN 3-4 MILE PATH
                                              POWER WIRES DOWN

1212 AM        PENDLETON            KY        .75 INCH HAIL
05/04/96       COUNTY
                                              NUMEROUS LARGE TREES
                                              DOWN

WILKINSON
Local storm report, May 4, 1:50 AM EDT, 2 hours 49 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OH
148 AM EDT SAT MAY 04 1996

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

100 AM          AUGUSTA
05/05/96        BRACKEN CO          KY          WIND DAMAGE
                                                NUMEROUS LARGE TREES
                                                DOWNED

100 AM          AUGUSTA                         WIND DAMAGE
05/04/96        BRACKEN CO          KY          FLAG POLE BENT BY WINDS

WILKINSON

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, 1:50 PM EDTFlash Flood WarningILNChampaign, Clark, Darke, Miami, Montgomery4 hr
May 4, 1:50 PM EDTFlash Flood WarningILNGreene4 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.