Alert archive / Ohio / Flash Flood Warnings in 1995

Flash Flood Warning 102, NWS Wilmington, OH

June 27, 1995Delaware County, Ohio

NWS Wilmington, OH issued this flash flood warning at Jun 27, 1995, 3:21 AM EDT for Delaware County, Ohio. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Jun 27, 1995, 3:21 AM EDT (07:21 UTC)
Expired
Jun 27, 1995, 6:30 AM EDT
In force
3 hr
Issued by
NWS Wilmington, OH
Area
Whole counties

County Delaware County, OH

The nearest sounding before it

Dayton/James M C, OH (KDAY), launched 00:00Z, 7.4 hours before the alert went out and 110 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 00:00Z on 1995-06-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1724 joules per kilogram.LCLEL10008507005003002001001 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 00:00Z on 1995-06-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 59 square meters per square second.1939Sfc1 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
1724 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
1158 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
59 m²/s²
0-3 km storm-relative helicity
95 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KILN 270720
FFWILN
OHC041-271030-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE WILMINGTON OH
321 AM EDT TUE JUN 27 1995
 
THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  630 AM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN CENTRAL OHIO
 
   ...DELAWARE COUNTY
 
DOPPLER RADAR CONTINUES TO INDICATE A LARGE AREA OF SHOWERS AND
THUNDERSTORMS MOVING OVER DELAWARE COUNTY EARLY THIS MORNING. MOST OF
THIS PRECIPITATION SHOULD FINALLY COME TO AN END BY 400 AM. THE
PERSISTANT RAINS...HOWEVER...HAVE DROPPED AN ESTIMATED THREE TO FOUR
INCHES OF RAIN ACROSS A LARGE PORTION DELAWARE COUNTY SINCE MIDNIGHT
ACCORDING TO NATIONAL WEATHER SERVICE DOPPLER RADAR.
 
LAW ENFORCEMENT OFFICIALS IN DELAWARE COUNTY CONTINUE TO REPORT HIGH
WATER COVERING NUMEROUS ROADS ACROSS THE COUNTY...INCLUDING UNITED
STATES HIGHWAY 23.
 
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.
 
HYSELL
 
&

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 Jun 27, 2:47 AM EDT, 34 minutes earlier.

Area forecast discussion, Jun 27, 2:47 AM EDT, 34 minutes before
FORECAST COORDINATION MESSAGE
NATIONAL WEATHER SERVICE WILMINGTON OH
245 AM EDT TUE JUN 27 1995

ATTM VERY HEAVY RAIN PRODUCING TSTMS FM LANCASTER AND CMH NWARD
MOVG N AT 25 MPH.  3 HR PCPN TOTALS HAS UP TO 4 IN ACROSS DELAWARE
AND FRANKLIN COUNTIES.  TSTMS SHOULD BE N OF DELAWARE COUNTY BY
4 AM.

FOR TODAY SLGT RISK LOOKS GOOD.  CWA IN LF QUAD OF UPPER JET.
CYCLONIC FLOW...INSTABILITY...SFC HTG...AND LEFTOVER BNDRYS WL
LEAD TO TSTM DEV.  UPPER LOW BLOCKED AND MEANDERS N OVER IL AND
WI THRU WED SO STORMY WX CONTINUES INTO WED AS WELL.

PREFER FWC MOS TEMPS AND HIGHER FAN POPS.

CVG  82/66/82/67
CMH  83/66/82/66
DAY  82/66/82/66
SANDLER

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 26, 8:02 PM EDTSevere Thunderstorm WarningILNLogan58 min
Jun 26, 8:15 PM EDTSevere Thunderstorm WarningILNClark, Greene60 min
Jun 26, 8:24 PM EDTSevere Thunderstorm WarningILNFayette, Madison66 min
Jun 26, 8:41 PM EDTSevere Thunderstorm WarningILNAllen, Putnam64 min
Jun 26, 9:28 PM EDTSevere Thunderstorm WarningILNFayette, Madison62 min
Jun 26, 10:02 PM EDTSevere Thunderstorm WarningILNFranklin, Pickaway58 min
Jun 26, 11:03 PM EDTSevere Thunderstorm WarningILNFranklin57 min
Jun 27, 12:19 AM EDTSevere Thunderstorm WarningILNFranklin56 min
Jun 27, 1:17 AM EDTFlash Flood WarningILNMadison, Union3 hr
Jun 27, 2:10 AM EDTFlash Flood WarningILNFranklin3 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.