Alert archive / Ohio / Flash Flood Warnings in 1998

Flash Flood Warning 72, NWS Wilmington, OH

June 14, 1998Brown County, Ohio

NWS Wilmington, OH issued this flash flood warning at Jun 14, 1998, 10:04 PM EDT for Brown 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
Jun 14, 1998, 10:04 PM EDT (02:04 UTC)
Expired
Jun 15, 1998, 1:05 AM EDT
In force
3 hr
Issued by
NWS Wilmington, OH
Area
Whole counties

County Brown County, OH

The radar

The Cincinnati radar (KILN), 54 km from the middle of the area, began a volume at 02:05 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, 2.1 hours before the alert went out and 55 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 1998-06-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 98 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 1998-06-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 62 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
98 J/kg
Mixed-layer CIN
-219 J/kg
Mixed-layer LCL
1032 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
62 m²/s²
0-3 km storm-relative helicity
213 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KILN 150205
FFWILN
OHC015-150505-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE WILMINGTON OH
1004 PM EDT SUN JUN 14 1998

THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  BROWN COUNTY IN SOUTH CENTRAL OHIO.

* EFFECTIVE UNTIL 105 AM EDT.

* THUNDERSTORMS HAVE DUMPED HEAVY RAIN ACROSS BROWN COUNTY THIS
  EVENING. DOPPLER RADAR ESTIMATES INDICATE UP TO ONE AND A HALF
  INCHES OF RAIN HAVE FALLEN ACROSS CENTRAL BROWN COUNTY SINCE 9 PM
  EDT.

* SHOWERS AND THUNDERSTORMS ARE EXPECTED TO CONTINUE THROUGH THIS
  EVENING WITH ADDITIONAL HEAVY RAINFALL LIKELY. THIS WILL RESULT IN
  RAPID RISES ON AREA CREEKS AND STREAMS.

IF FLASH 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.

LOTT

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 14, 8:10 PM EDT, 1 hour 54 minutes earlier.

Area forecast discussion, Jun 14, 8:10 PM EDT, 1 hour 54 minutes before
FORECAST COORDINATION MESSAGE
NATIONAL WEATHER SERVICE WILMINGTON OH
810 PM EDT SUN JUN 14 1998

TSTMS DEVELOPING RAPIDLY ACRS SE IN/SW OH...IN NW/SE BAND AHEAD OF MCS
PUSHING INTO CNTL IN. ALSO...ANOTHER BAND OF TSRA...SOME SVR...HAS
DEVELOPED RAPIDLY ACRS N KY...IN ADVANCE OF WARM FRNT STILL WELL SW OF
CWA. FINALLY...TSTMS WELL UNDERWAY ALONG COLD FRNT PUSHING THRU LWR OH
VLY.

GIVEN CURRNT EVOLUTION OF EVENTS...CATEGORICAL POPS IN ORDER OVERNITE
FOR ALL AREAS...INCL FAR NW. ALSO...GIVEN LO FLASH FLOOD GUIDANCE
VALUES/POTENTIAL FOR HVY RAFL...CONTINUE FLASH FLOOD WATCH FOR
E CNTL/SE IN. MDL DATA SUGGESTS SFC TRIPLE POINT/ASSOCIATED STRONGEST
FORCING WILL AFFECT S SECTIONS OF CWA OVERNITE...SO STRONGLY SUGGEST
FLASH FLOOD WATCH BE XTNDED ACRS N KY AND S OH (OH AREA 7). HOWEVER...
RAFL POTENTIAL ACRS DAY-CMH AREAS APPRS HIER THAT SUGGESTED BY MDLS...
AND MIGHT BE PRUDENT TO XTND FFA INTO OH AREAS 5/6 FOR TONITE.

ROWLEY

In the hours before

Local storm report, Jun 14, 8:23 PM EDT, 1 hour 41 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OHIO
823 PM EDT SUN JUN 14 1998

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

0815 PM    PERRY PARK                KY   1 INCH HAIL
06/14/98   OWEN
Local storm report, Jun 14, 8:23 PM EDT, 1 hour 41 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OHIO
823 PM EDT SUN JUN 14 1998

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

0815 PM    PERRY PARK                KY   1 INCH HAIL
06/14/98   OWEN
Local storm report, Jun 14, 8:53 PM EDT, 1 hour 11 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OHIO
853 PM EDT SUN JUN 14 1998

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

0838 PM    CRITTENDEN                KY   .75 INCH HAIL
06/14/98   GRANT

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 14, 9:01 PM EDTSevere Thunderstorm WarningILNClermont34 min
Jun 14, 9:15 PM EDTSevere Thunderstorm WarningILNBrown20 min
Jun 14, 11:10 PM EDTFlash Flood WarningILNAdams, Scioto2 hr
Jun 15, 3:37 PM EDTFlash Flood WarningILNMontgomery, Preble118 min
Jun 15, 4:49 PM EDTTornado WarningILNDarke46 min
Jun 15, 5:31 PM EDTTornado WarningILNMontgomery34 min
Jun 15, 6:54 PM EDTTornado WarningILNClinton46 min

Nearby

Flash Flood Warnings in Ohio, 1998Every flash flood warning in 1998

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.