Alert archive / Ohio / Flash Flood Warnings in 1996

Flash Flood Warning 53, NWS Wilmington, OH

May 10, 1996Allen County, Auglaize County, Hardin County, Ohio

NWS Wilmington, OH issued this flash flood warning at May 10, 1996, 1:47 PM EDT for Allen County, Auglaize County, Hardin 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 10, 1996, 1:47 PM EDT (17:47 UTC)
Expired
May 10, 1996, 5:45 PM EDT
In force
4 hr
Issued by
NWS Wilmington, OH
Area
Whole counties

Counties Allen County, OH, Auglaize County, OH, Hardin County, OH

The radar

The Cincinnati radar (KILN), 139 km from the middle of the area, began a volume at 17:50 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 138 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 1996-05-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 168 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 12:00Z on 1996-05-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 23 square meters per square second.193958Sfc1 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
168 J/kg
Mixed-layer CIN
-88 J/kg
Mixed-layer LCL
1325 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
23 m²/s²
0-3 km storm-relative helicity
-2 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 101751
FFWILN
OHC003-011-037-065-107-149-102145-
 
BULLETIN
FLOOD WARNING
NATIONAL WEATHER SERVICE WILMINGTON OH
147 PM EDT FRI MAY 10 1996
 
THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A
FLOOD WARNING FOR URBAN AREAS AND SMALL STREAMS
EFFECTIVE UNTIL  545 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN WEST CENTRAL OHIO
 
   ...ALLEN COUNTY...AUGLAIZE COUNTY...DARKE COUNTY
   ...HARDIN COUNTY...MERCER COUNTY...SHELBY COUNTY
 
AT 148 PM THE WEATHER SERVICE DOPPLER RADAR INDICATED HEAVY RAINFALL OF
1 TO 2 INCHES AN HOUR FALLING FROM THUNDERSTORMS IN WEST CENTRAL OHIO.
THE THUNDERSTORMS WERE LOCATED IN A LINE FROM ADA TO BOTKINS IN SHELBY
COUNTY TO ANSONIA IN NORTHERN DARKE COUNTY.
 
THESE THUNDERSTORMS ARE MOVING TO THE NORTHEAST...WHILE THE LINE OF
STORMS ITSELF IS MOVING TO THE SOUTHEAST.  THIS WILL CAUSE FLOODING OF
LOW-LYING AREAS...AND SMALL STREAMS.
 
THE STORMS LOOK TO CONTINUE FOR THIS AREA UNTIL 4 PM.
 
REMEMBER THAT MOST FLOOD DEATHS ARE THE RESULT OF EITHER DRIVING
INTO FLOOD WATERS OR CHILDREN PLAYING IN 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.
 
DANGELO

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, 9:35 AM EDT, 4 hours 12 minutes earlier.

Area forecast discussion, May 10, 9:35 AM EDT, 4 hours 12 minutes before
FORECAST COORDINATION MESSAGE
NATIONAL WEATHER SERVICE WILMINGTON OH
934 AM EDT FRI MAY 10 1996

KILN SOUNDING SUPPORTS HI TEMPS IN THE MID 80S WITH A FEW CLOUDS
AROUND.  MODIFYING THE SOUNDING GIVES MODERATE INSTABILITY FOR THE
AFTERNOON HOURS.  MODELS FCST COLD FNT TO PUSH INTO NWRN OH AROUND 00Z
SAT AND SOUTH OF OHIO RIVER BY 12Z SAT.  FCST LOOKS GOOD WITH BEST CHC
OF RW/TRW OVR LIMA AREA TAPERING OFF TO THE SOUTH AND EAST.

WL HAVE TO WATCH LINE OF TRW HEADING INTO CNTRL IN.  LOOKS LIKE IT WL
MOVE INTO AREAS THAT HAVE CHC IN PM BUT ZONES WITHOUT PRECIP WL HAVE TO
BE WATCHED SINCE AREAS OF STORMS SHOULD PROGRESS FURTHER SOUTH AND EAST
WITH EACH BATCH.

WILKINSON

The office that day

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

IssuedProductOfficeCountiesLasted
May 10, 1:47 PM EDTFlash Flood WarningILNDarke, Mercer, Shelby4 hr
May 10, 1:56 PM EDTSevere Thunderstorm WarningILNAllen, Auglaize, Hardin34 min
May 10, 5:15 PM EDTSevere Thunderstorm WarningILNPreble60 min
May 10, 5:35 PM EDTSevere Thunderstorm WarningILNMiami, Montgomery40 min
May 10, 5:45 PM EDTSevere Thunderstorm WarningILNGreene, Warren45 min
May 10, 6:15 PM EDTSevere Thunderstorm WarningILNClinton45 min
May 10, 6:15 PM EDTSevere Thunderstorm WarningILNClark45 min
May 10, 6:30 PM EDTSevere Thunderstorm WarningILNFayette, Madison45 min

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.