Alert archive / Ohio / Flash Flood Warnings in 1998

Flash Flood Warning 91, NWS Wilmington, OH

June 28, 1998Franklin County, Madison County, Pickaway County, Ohio

NWS Wilmington, OH issued this flash flood warning at Jun 28, 1998, 11:45 PM EDT for Franklin County, Madison County, Pickaway County, Ohio. It was in force for 2 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 28, 1998, 11:45 PM EDT (03:45 UTC)
Expired
Jun 29, 1998, 1:45 AM EDT
In force
2 hr
Issued by
NWS Wilmington, OH
Area
Whole counties

Counties Franklin County, OH, Madison County, OH, Pickaway County, OH

The radar

The Cincinnati radar (KILN), 74 km from the middle of the area, began a volume at 03:47 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, 3.8 hours before the alert went out and 72 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 1998-06-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3668 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, Cncnati-Daytn, OH at 00:00Z on 1998-06-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 80 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
3668 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
1100 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
80 m²/s²
0-3 km storm-relative helicity
103 m²/s²
Significant tornado parameter
0.0
Supercell composite
5.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KILN 290345
FFWILN
OHC049-097-129-290540-

BULLETIN
FLOOD WARNING
NATIONAL WEATHER SERVICE WILMINGTON OH
1145 PM EDT SUN JUN 28 1998

THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A

* FLOOD WARNING FOR SMALL STREAMS FOR...
  FRANKLIN COUNTY IN CENTRAL OHIO.
  MADISON COUNTY IN CENTRAL OHIO.
  PICKAWAY COUNTY IN CENTRAL OHIO.

* EFFECTIVE UNTIL 145 AM EDT.

*AT 1140 PM...NATIONAL WEATHER SERVICE RADAR INDICATED THAT
THAT AN INCH AND A HALF TO TWO AND A HALF INCHES OF RAIN HAD
FALLEN ACROSS PORTIONS OF EAST CENTRAL MADISON COUNTY...JUST EAST
OF LONDON...SINCE 1030 PM. RAINFALL TOTALS IN NORTHWESTERN PICKAWAY
AND SOUTHWESTERN FRANKLIN COUNTIES WERE BETWEEN AN INCH TO TWO
INCHES SINCE 11 PM.

*WITH THUNDERSTORMS CONTINUING TO DEVELOP AND MOVE ACROSS THIS
REGION...AN ADDITIONAL ONE TO TWO INCHES CAN BE EXPECTED THROUGH 1
AM.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOO$DING IS OBSERVED...
ACT QUICKLY.


INNES

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 28, 8:02 PM EDT, 3 hours 43 minutes earlier.

Area forecast discussion, Jun 28, 8:02 PM EDT, 3 hours 43 minutes before
FORECAST COORDINATION MESSAGE
NATIONAL WEATHER SERVICE WILMINGTON OH
802 PM EDT SUN JUN 28 1998

FCST PROB AGN TNGT IS ASSESSMENT OF TSTM POTENTIAL. TSTMS HV
DVLPD ACRS NW/NC OH AT NOSE OF WAA IN AREA OF SFC MSTR CNVRGC.
THESE STMS ARE MOVG SE FOLLOWING 850/300 FAVORED THCKNS TWD
BEST INSTBY WHERE AWIPS LAPS CAPES ARE 5000 J/KG. THESE STMS
SHUD MAINTAIN STG TO SVR STRENGTH AS THEY MOVE INTO FAVORED
AREA IN SE OH. SUGG FLASH FLOOD WATCH FOR TNGT FOR PTNS OF
CNTRL OH THAT HV BEEN WORKED OVR PAST FEW DAYS. THIS WUD
INCLUDE LICKING...FAIRFIELD AND HOCKING CTYS.

MCS COMPLEX HS DVLPD ACRS NRN MO/CNTRL IL WITH SCTD ACTVTY
INTO W CNTRL IN. THESE STMS SHUD FOLLOW FAVORED 850/300 MB
THCKNS INTO SE IN AND SW OH/NRN KY LTR TNGT. THEREFORE...SUGG
ADDING MENT OF OVRNGT TSTMS TO THESE LOCATIONS.

CVG 075/091 34
DAY 074/090 34
CMH 073/092 54
PMH 075/092 34

RANDALL

In the hours before

Local storm report, Jun 28, 8:32 PM EDT, 3 hours 13 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OHIO
832 PM EDT SUN JUN 28 1998

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

0825 PM                              OH   WIND DAMAGE
06/28/98   LICKING                        TREES DOWN ACROSS
                                          NORTHEAST PART OF COUNTY
Special weather statement, Jun 28, 8:45 PM EDT, 3 hours before
OHZ074-056-065-290600-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
845 PM EDT SUN JUN 28 1998

...SEVERE THUNDERSTORM WATCH UNTIL 2 AM EDT FOR HOCKING COUNTY...

A WARM AND HUMID AIRMASS OVER OHIO WAS PROVIDING THE FUEL FOR SEVERE
THUNDERSTORM DEVELOPMENT OVER NORTHERN AND CENTRAL OHIO THIS EVENING.
THUNDERSTORMS WHICH HAVE DEVELOPED OVER NORTHERN OHIO WERE TRACKING
TO THE SOUTHEAST INTO LICKING COUNTY IN CENTRAL OHIO. THESE STORMS
HAVE A HISTORY OF PRODUCING DAMAGING WINDS. THE STORMS ARE EXPECTED
TO CONTINUE TO TRACK TO THE SOUTHEAST THROUGH THE REMAINDER OF
LICKING...FAIRFIELD AND HOCKING COUNTIES.

SOME OF THESE STORMS ARE EXPECTED TO BECOME SEVERE WITH THE MAIN THREAT
BEING DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS WILL ALSO
PRODUCE VERY HEAVY RAINFALL. IF FLOODING IS OBSERVED...MOVE TO HIGHER
GROUND.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 11 PM FOR LICKING
AND FAIRFIELD COUNTIES. X

STAYED TO TUNED TO NOAA WEATHER RADIO FOR LATER STATEMENTS AND
POSSIBLE WARNINGS.

RANDALL
Special weather statement, Jun 28, 8:45 PM EDT, 3 hours before
OHZ074-056-065-290600-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
845 PM EDT SUN JUN 28 1998

...SEVERE THUNDERSTORM WATCH UNTIL 2 AM EDT FOR HOCKING COUNTY...

A WARM AND HUMID AIRMASS OVER OHIO WAS PROVIDING THE FUEL FOR SEVERE
THUNDERSTORM DEVELOPMENT OVER NORTHERN AND CENTRAL OHIO THIS EVENING.
THUNDERSTORMS WHICH HAVE DEVELOPED OVER NORTHERN OHIO WERE TRACKING
TO THE SOUTHEAST INTO LICKING COUNTY IN CENTRAL OHIO. THESE STORMS
HAVE A HISTORY OF PRODUCING DAMAGING WINDS. THE STORMS ARE EXPECTED
TO CONTINUE TO TRACK TO THE SOUTHEAST THROUGH THE REMAINDER OF
LICKING...FAIRFIELD AND HOCKING COUNTIES.

SOME OF THESE STORMS ARE EXPECTED TO BECOME SEVERE WITH THE MAIN THREAT
BEING DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS WILL ALSO
PRODUCE VERY HEAVY RAINFALL. IF FLOODING IS OBSERVED...MOVE TO HIGHER
GROUND.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 11 PM FOR LICKING
AND FAIRFIELD COUNTIES. X

STAYED TO TUNED TO NOAA WEATHER RADIO FOR LATER STATEMENTS AND
POSSIBLE WARNINGS.

RANDALL
Special weather statement, Jun 28, 11:00 PM EDT, 45 minutes before
OHZ044>046-052>056-064-065-074-290600-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
1100 PM EDT SUN JUN 28 1998

...SEVERE THUNDERSTORM WATCH UNTIL 2 AM EDT FOR PORTIONS OF THE
MIAMI VALLEY AND CENTRAL OHIO...

A WARM AND HUMID AIRMASS OVER OHIO WAS PROVIDING THE FUEL FOR SEVERE
THUNDERSTORM DEVELOPMENT OVER THE MIAMI VALLEY AND CENTRAL OHIO
TONIGHT. STRONG TO SEVERE THUNDERSTORMS CONTINUE TO DEVELOP OVER THE
MIAMI VALLEY. THESE STORMS WERE TRACKING TO THE SOUTHEAST INTO
CENTRAL OHIO. THESE STORMS HAVE A HISTORY OF PRODUCING DAMAGING
WINDS AND LARGE HAIL.

SOME OF THESE STORMS ARE EXPECTED TO BECOME SEVERE WITH THE MAIN THREAT
BEING DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS WILL ALSO
PRODUCE VERY HEAVY RAINFALL. IF FLOODING IS OBSERVED...MOVE TO HIGHER
GROUND.

SOME TOWNS IN THE SEVERE THUNDERSTORM WATCH INCLUDE...URBANA...
SPRINGFIELD...MARYSVILLE...COLUMBUS...CIRCLEVILLE AND NEWARK.

STAYED TO TUNED TO NOAA WEATHER RADIO FOR LATER STATEMENTS AND
POSSIBLE WARNINGS.

RANDALL

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 28, 8:02 PM EDTSevere Thunderstorm WarningILNLicking53 min
Jun 28, 9:41 PM EDTFlash Flood WarningILNLicking3 hr
Jun 28, 10:16 PM EDTSevere Thunderstorm WarningILNChampaign59 min
Jun 28, 10:46 PM EDTSevere Thunderstorm WarningILNMadison49 min
Jun 28, 11:06 PM EDTSevere Thunderstorm WarningILNFranklin, Pickaway64 min
Jun 29, 12:14 AM EDTSevere Thunderstorm WarningILNHocking61 min
Jun 29, 12:25 AM EDTFlash Flood WarningILNHocking3 hr
Jun 29, 1:22 AM EDTSevere Thunderstorm WarningILNMercer48 min
Jun 29, 1:28 AM EDTSevere Thunderstorm WarningILNFranklin47 min
Jun 29, 1:37 AM EDTSevere Thunderstorm WarningILNAuglaize48 min
Jun 29, 1:49 AM EDTSevere Thunderstorm WarningILNPickaway41 min
Jun 29, 2:16 AM EDTFlash Flood WarningILNFranklin, Madison, Pickaway3 hr
Jun 29, 2:27 AM EDTSevere Thunderstorm WarningILNPickaway63 min
Jun 29, 2:56 AM EDTFlash Flood WarningILNMercer114 min
Jun 29, 3:00 AM EDTSevere Thunderstorm WarningILNFranklin60 min
Jun 29, 3:19 AM EDTFlash Flood WarningILNFranklin, Madison, Pickaway, Union4 hr
Jun 29, 3:29 AM EDTSevere Thunderstorm WarningILNPickaway61 min
Jun 29, 3:17 PM EDTSevere Thunderstorm WarningILNMadison43 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.