Alert archive / Ohio / Flash Flood Warnings in 1998

Flash Flood Warning 99, NWS Wilmington, OH

June 29, 1998Licking County, Ohio

NWS Wilmington, OH issued this flash flood warning at Jun 29, 1998, 11:29 PM EDT for Licking 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 29, 1998, 11:29 PM EDT (03:29 UTC)
Expired
Jun 30, 1998, 2:25 AM EDT
In force
3 hr
Issued by
NWS Wilmington, OH
Area
Whole counties

County Licking County, OH

The radar

The Cincinnati radar (KILN), 137 km from the middle of the area, began a volume at 03:32 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, 3.5 hours before the alert went out and 135 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 1998-06-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 397 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 1998-06-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 146 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
397 J/kg
Mixed-layer CIN
-57 J/kg
Mixed-layer LCL
1435 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
146 m²/s²
0-3 km storm-relative helicity
201 m²/s²
Significant tornado parameter
0.1
Supercell composite
4.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KILN 300329
FFWILN
OHC049-089-097-129-300625-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE WILMINGTON OH
1129 PM EDT MON JUN 29 1998

THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  FRANKLIN COUNTY IN CENTRAL OHIO.
  LICKING COUNTY IN CENTRAL OHIO.
  MADISON COUNTY IN CENTRAL OHIO.
  PICKAWAY COUNTY IN CENTRAL OHIO.

* EFFECTIVE UNTIL 225 AM EDT.

*AT 1130 PM EDT...NATIONAL WEATHER SERVICE RADAR SHOWED A LARGE
AREA OF MODERATE TO AT TIMES HEAVY RAIN MOVING EAST ACROSS
MADISON COUNTY AND INTO FRANKLIN...LICKING...AND PICKAWAY COUNTIES.
RAINFALL RATES WITH THIS AREA AVERAGED BETWEEN A HALF OF AN INCH TO
AN INCH OF RAIN IN AN HOUR.

*SINCE THE GROUND IS ALREADY SATURATED DUE TO THE PREVIOUS RAINS
RECEIVED SUNDAY NIGHT AND EARLY MONDAY MORNING...MUCH OF THE
RAIN WILL FLOW DIRECTLY INTO STREAMS AND CREEKS. WITH RAIN OF THIS
MAGNITUDE...MANY STREAMS AND CREEKS WILL LIKELY RISE" OUT OF THEIR
BANKS THROUGH THE OVERNIGHT HOURS.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING 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 29, 9:00 PM EDT, 2 hours 29 minutes earlier.

Area forecast discussion, Jun 29, 9:00 PM EDT, 2 hours 29 minutes before
FORECAST COORDINATION MESSAGE
NATIONAL WEATHER SERVICE WILMINGTON OH
900 PM EDT MON JUN 29 1998

COMPLEX IN CENTRAL INDINANA CONTINUES TO DROP TO THE SOUTHEAST.
CURRENT TRACK WILL BRING THE STRONGEST STORMS INTO SOUTHWEST SECTION
OF CWA...BUT REST OF CWA WILL BE AFFECTED BY THE THE SYSTEM. WOULD
UP POPS TO CATEGORICAL...AT LEAST TO IN SW OH...SE IN AND NRN KY DUE
TO EXTENSIVE PRECIP SHEILD.  FLASH FLOOD WATCHES LOOKING GOOD.

WITH DEWPOINTS IN THE LOWER 70S LOWER MIGHT HOLD IN THE 70 TO 75
RANGE ACROSS THE SOUTH.

SITES

In the hours before

Special weather statement, Jun 29, 10:15 PM EDT, 1 hour 14 minutes before
OHZ026-034-035-042>046-051>056-060>065-070>074-077>082-088-KYZ
091>093-095>100-300700-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
1015 PM EDT MON JUN 29 1998

...SEVERE THUNDERSTORM WATCH FOR WESTERN...CENTRAL AND SOUTH CENTRAL
OHIO ALONG WITH MOST OF NORTHERN KENTUCKY UNTIL 3 AM EDT (2 AM
EST)...

...TORNADO WATCH FOR SOUTHEAST INDIANA (INCLUDING THE WHITEWATER
   VALLEY) AND NORTHWEST KENTUCKY UNTIL 1 AM EDT (MIDNIGHT EST)...

A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR WESTERN...CENTRAL
AND SOUTH CENTRAL OHIO ALONG WITH MOST OF NORTHERN KENTUCKY. A LARGE
AREA OF THUNDERSTORMS THAT HAS PRODUCED DAMAGING WEATHER IN
INDIANA...WILL MOVE EAST THROUGH THE REGION THIS EVENING AND EARLY
TUESDAY MORNING.  DAMAGING WINDS...LARGE HAIL AND FREQUENT LIGHTNING
COULD OCCUR AS THE THUNDERSTORMS MOVE THROUGH.

IN ADDITION...HEAVY RAINFALL AMOUNTS FROM ONE TO TWO INCHES AN HOUR
CAN BE EXPECTED.

SOME CITIES INCLUDED IN THE WATCH ARE CINCINNATI..DAYTON...COLUMBUS
PORTSMOUTH AND MAYSVILLE.

STAY TUNED TO NOAA WEATHER RADIO FOR THE LATEST INFORMATION AND
POSSIBLE WARNINGS.

SITES
Special weather statement, Jun 29, 10:15 PM EDT, 1 hour 14 minutes before
OHZ026-034-035-042>046-051>056-060>065-070>074-077>082-088-KYZ
091>093-095>100-300700-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
1015 PM EDT MON JUN 29 1998

...SEVERE THUNDERSTORM WATCH FOR WESTERN...CENTRAL AND SOUTH CENTRAL
OHIO ALONG WITH MOST OF NORTHERN KENTUCKY UNTIL 3 AM EDT (2 AM
EST)...

...TORNADO WATCH FOR SOUTHEAST INDIANA (INCLUDING THE WHITEWATER
   VALLEY) AND NORTHWEST KENTUCKY UNTIL 1 AM EDT (MIDNIGHT EST)...

A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR WESTERN...CENTRAL
AND SOUTH CENTRAL OHIO ALONG WITH MOST OF NORTHERN KENTUCKY. A LARGE
AREA OF THUNDERSTORMS THAT HAS PRODUCED DAMAGING WEATHER IN
INDIANA...WILL MOVE EAST THROUGH THE REGION THIS EVENING AND EARLY
TUESDAY MORNING.  DAMAGING WINDS...LARGE HAIL AND FREQUENT LIGHTNING
COULD OCCUR AS THE THUNDERSTORMS MOVE THROUGH.

IN ADDITION...HEAVY RAINFALL AMOUNTS FROM ONE TO TWO INCHES AN HOUR
CAN BE EXPECTED.

SOME CITIES INCLUDED IN THE WATCH ARE CINCINNATI..DAYTON...COLUMBUS
PORTSMOUTH AND MAYSVILLE.

STAY TUNED TO NOAA WEATHER RADIO FOR THE LATEST INFORMATION AND
POSSIBLE WARNINGS.

SITES
Local storm report, Jun 29, 10:43 PM EDT, 46 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OHIO
1043 PM EDT MON JUN 29 1998

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

0856 PM    TIPP CITY                 OH   WIND DAMAGE
06/29/98   MIAMI                          75 MPH GUST...MEASURED BY
                                          ANEMOMETER

0909 PM    TIPP CITY                 OH   WIND DAMAGE
06/29/98   MIAMI                          SEVERAL 6 TO 9 INCH
                                          BRANCHES BROKEN.

0945 PM    3 S WEST MILTON           OH   WIND DAMAGE
06/29/98   MIAMI                          SEVERAL TREES DOWN, IN
                                          ADDITION TO 4 INCH DIAMTER
                                          FLAG POLE THAT FELL ONTO
                                          HOUSE.

1015 PM    NAPOLEON                  IN   WIND DAMAGE
06/29/98   RIPLEY                         SEVERAL TREES DOWN

1020 PM    DELAWARE                  IN   WIND DAMAGE
06/29/98   RIPLEY                         POWER OUT DUE TO
                                          THUNDERSTORM WINDS
Local storm report, Jun 29, 10:57 PM EDT, 32 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OHIO
1057 PM EDT MON JUN 29 1998

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

1005 PM    DELAWARE                  IN   WIND DAMAGE
06/29/98   RIPLEY                         POWER OUT DUE TO
                                          THUNDERSTORM WINDS

1010 PM    NAPOLEON                  IN   WIND DAMAGE
06/29/98   RIPLEY                         SEVERAL TREES DOWN

1055 PM    HARRISON                  OH   WIND DAMAGE
06/29/98   HAMILTON                       NUMEROUS TREES DOWN IN
                                          HARRISON
Local storm report, Jun 29, 11:00 PM EDT, 29 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OHIO
1100 PM EDT MON JUN 29 1998

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

0856 PM    TIPP CITY                 OH   WIND DAMAGE
06/29/98   MIAMI                          75 MPH GUST...MEASURED BY
                                          ANEMOMETER

0909 PM    TIPP CITY                 OH   WIND DAMAGE
06/29/98   MIAMI                          SEVERAL 6 TO 9 INCH
                                          BRANCHES BROKEN.

0945 PM    3 S WEST MILTON           OH   WIND DAMAGE
06/29/98   MIAMI                          SEVERAL TREES DOWN, IN
                                          ADDITION TO 4 INCH DIAMTER
                                          FLAG POLE THAT FELL ONTO
                                          HOUSE.

1000 PM    NAPOLEON                  IN   WIND DAMAGE
06/29/98   RIPLEY                         SEVERAL TREES DOWN

1005 PM    DELAWARE                  IN   WIND DAMAGE
06/29/98   RIPLEY                         POWER OUT DUE TO
                                          THUNDERSTORM WINDS

1055 PM    HARRISON                  OH   WIND DAMAGE
06/29/98   HAMILTON                       NUMEROUS TREES DOWN IN
                                          HARRISON
Local storm report, Jun 29, 11:00 PM EDT, 29 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OHIO
1100 PM EDT MON JUN 29 1998

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

0856 PM    TIPP CITY                 OH   WIND DAMAGE
06/29/98   MIAMI                          75 MPH GUST...MEASURED BY
                                          ANEMOMETER

0909 PM    TIPP CITY                 OH   WIND DAMAGE
06/29/98   MIAMI                          SEVERAL 6 TO 9 INCH
                                          BRANCHES BROKEN.

0945 PM    3 S WEST MILTON           OH   WIND DAMAGE
06/29/98   MIAMI                          SEVERAL TREES DOWN, IN
                                          ADDITION TO 4 INCH DIAMTER
                                          FLAG POLE THAT FELL ONTO
                                          HOUSE.

1000 PM    NAPOLEON                  IN   WIND DAMAGE
06/29/98   RIPLEY                         SEVERAL TREES DOWN

1005 PM    DELAWARE                  IN   WIND DAMAGE
06/29/98   RIPLEY                         POWER OUT DUE TO
                                          THUNDERSTORM WINDS

1055 PM    HARRISON                  OH   WIND DAMAGE
06/29/98   HAMILTON                       NUMEROUS TREES DOWN IN
                                          HARRISON

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 29, 9:10 PM EDTSevere Thunderstorm WarningILNMiami20 min
Jun 29, 9:23 PM EDTSevere Thunderstorm WarningILNMontgomery32 min
Jun 29, 9:42 PM EDTSevere Thunderstorm WarningILNDarke43 min
Jun 29, 9:44 PM EDTFlash Flood WarningILNFranklin, Madison, Pickaway3 hr
Jun 29, 10:24 PM EDTSevere Thunderstorm WarningILNHamilton46 min
Jun 29, 11:04 PM EDTSevere Thunderstorm WarningILNClermont61 min
Jun 29, 11:13 PM EDTFlash Flood WarningILNMiami117 min
Jun 29, 11:18 PM EDTSevere Thunderstorm WarningILNClark47 min
Jun 29, 11:29 PM EDTFlash Flood WarningILNFranklin, Madison, Pickaway3 hr
Jun 29, 11:32 PM EDTSevere Thunderstorm WarningILNBrown58 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.