Alert archive / Indiana / Flash Flood Warnings in 1998

Flash Flood Warning 66, NWS Wilmington, OH

June 11, 19984 counties in Indiana

NWS Wilmington, OH issued this flash flood warning at Jun 11, 1998, 3:28 PM EST for 4 counties in Indiana. It was in force for 87 min. 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 11, 1998, 3:28 PM EST (20:28 UTC)
Expired
Jun 11, 1998, 4:55 PM EST
In force
87 min
Issued by
NWS Wilmington, OH
Area
Whole counties

Counties Fayette County, IN, Franklin County, IN, Union County, IN, Wayne County, IN

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 8.5 hours before the alert went out and 109 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 1998-06-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1257 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 1998-06-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 98 square meters per square second.1939587897Sfc1 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
1257 J/kg
Mixed-layer CIN
-28 J/kg
Mixed-layer LCL
619 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
98 m²/s²
0-3 km storm-relative helicity
109 m²/s²
Significant tornado parameter
0.5
Supercell composite
4.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KILN 112029
FFWILN
INC041-047-161-177-112155-

BULLETIN
FLOOD WARNING
NATIONAL WEATHER SERVICE WILMINGTON OH
428 PM EDT (328 PM EST) THU JUN 11 1998

THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A

* FLOOD WARNING FOR URBAN AREAS AND SMALL STREAMS FOR...
  FAYETTE COUNTY IN EAST CENTRAL INDIANA.
  FRANKLIN COUNTY IN SOUTHEASTERN INDIANA.
  UNION COUNTY IN EAST CENTRAL INDIANA.
  WAYNE COUNTY IN EAST CENTRAL INDIANA.

* EFFECTIVE UNTIL 455 PM EST (555 PM EDT).

*BETWEEN 3 PM AND 320 PM EST...AREA LAW ENFORCEMENT AGENCIES
REPORTED THAT HIGH WATER COVERED NUMEROUS ROADS...AND THAT
CREEKS WERE RUNNING AT OR ABOVE BANKFULL.

*AT 325 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED THAT
ADDITIONAL SHOWERS AND THUNDERSTORMS...SOME WITH HEAVY DOWNPOURS...
WERE DEVELOPING AND PUSHING INTO THE REGION FROM THE WEST.

*BY 5 PM EST...SHOWERS AND THUNDERSTORMS WILL PRODUCE UP TO ONE-HALF
TO THREE-QUARTERS OF AN INCH OF ADDITIONAL RAINFALL IN SOME
LOCATIONS...AND THESE HEAVY DOWNPOURS WILL PRODUCE ADDITIONAL
FLOODING.


DURING HEAVY RAINS...KEEP CHILDREN AWAY FROM STORM DRAINS AND
CREEKS. SHALLOW...GENTLY FLOWING WATER CAN BECOME A RAGING TORRENT
IN A MATTER OF MINUTES.

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 11, 1:33 PM EST, 1 hour 55 minutes earlier.

Area forecast discussion, Jun 11, 1:33 PM EST, 1 hour 55 minutes before
FORECAST COORDINATION MESSAGE
NATIONAL WEATHER SERVICE WILMINGTON OH
233 PM EDT THU JUN 11 1998

DISC:  IMMEDIATED CONCERN CONTINUES TO BE FLOOD POTENTIAL. FORCED
ASCENT OF HIGH THETA-E AIR ALONG NEARLY STATIONARY MESOSCALE BNDRY
CONTINUES TO FOCUS +RA DVLPMNT IN THE AREA.  RADAR ESTIMATES INDICATE A
BROAD AXIS OF 3-4 INCH TOTALS SINCE THIS MORNING FROM E CENTRAL INDIANA
INTO N KY...WITH A MAX OF 5.6 INCHES IN BOONE COUNTY.  FLOODING HAS
BEEN WIDESPREAD IN THESE AREAS.  OVERNIGHT LLVL MSTR WL CONTINUE TO
FLOW INTO THE REGION ON A N INCREASING LLVL JET.  THERE WL BE CHGS
ALOFT HWVR...AS MODEL TIMESXNS INDICATE A WARMING AND DRYING TREND IN
THE MID-UPPER LVLS.  WITH THIS IN MIND...I XPCT TO SEE A GRADUAL
DECREASE IN PCPN CVRG ACRS THE AREA.  WL STILL SEE THE THREAT FOR
STRONG CONVECTION NEAR THE BNDRY HWVR...AND I FEEL AN FFA IS JUSTIFIED
OVERNIGHT WHERE THE HEAVIEST RAIN HAS FALLEN FROM EAST CENTRAL INDIANA
INTO NORTH CENTRAL KY.

FCST WIND FIELDS AND STABILITY PARAMETERS SUGGEST ORGANIZED/STRONG
CONVECTION REMAINS PSBL THROUGH FRI NGT...BEFORE COLD FRONT USHERS DRIER
AIR INTO THE REGION.  HAVE KEPT POPS IN THE CHC CATEGORY THROUGHOUT THE
PD...AND UNDERCUT MOS TEMPS JUST A BIT.
N
CMH 69/80/67/78 6344
CVG 69/81/68/79 4444
DAY 68/81/66/77 5344

JOHNSTONE

In the hours before

Local storm report, Jun 11, 1:25 PM EST, 2 hours 3 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OHIO
225 PM EDT THU JUN 11 1998

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

1020 AM                              IN   FLOODING
06/11/98   FRANKLIN                       WATER COVERING THE ROADS
                                          ACROSS THE WESTERN PORTION
                                          OF THE COUNTY ROADS CLOSED
                                          ACROSS THE COUNTY

1056 AM    SIDNEY                    OH   FLOODING
06/11/98   SHELBY                         STREET FLOODING ACROSS
                                          CITY OF SIDNEY WATER
                                          ACROSS ROADS IN WESTERN
                                          PORTION OF COUNTY

1105 AM                              KY   FLOODING
06/11/98   BOONE                          ROADS CLOSED DUE TO WATER
                                          ACROSS THE ROADS
Local storm report, Jun 11, 2:15 PM EST, 1 hour 13 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OHIO
315 PM EDT THU JUN 11 1998

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

1125 AM                              OH   FLOODING
06/11/98   DARKE                          ROAD CLOSED ACROSS SR 47N
                                          HIGH WATER ACROSS OTHER
                                          ROADS ACROSS COUNTY

1130 AM                              KY   FLOODING
06/11/98   KENTON                         HIGH WATER ACROSS THE
                                          ROADS ACROSS THE COUNTY

1140 AM                              IN   FLOODING
06/11/98   WAYNE                          HIGH WATER ACROSS ROADS
                                          ACROSS COUNTY

1140 AM                              OH   FLOODING
06/11/98   MIAMI                          HIGH WATER ACROSS
                                          NUMBEROUS ROADS

1200 PM                              IN   FLOODING
06/11/98   UNION                          HIGH WATER ACROSS ROADS
                                          ACROSS THE COUNTY

1215 PM                              IN   FLOODING
06/11/98   FRANKLIN                       PART OF ST RT 121 CLOSED
                                          WITH HIGH WATER ST RT 44
                                          CLOSED ACROSS SOUTHERN
                                          PART OF COUNTY
Local storm report, Jun 11, 3:01 PM EST, 27 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OHIO
401 PM EDT THU JUN 11 1998

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

0100 PM                              OH   FLOODING
06/11/98   SHELBY                         ROADS CLOSED ACROSS THE
                                          WESTERN PORTION OF COUNTY
                                          HIGH WATER ACROSS THE
                                          COUNTY

0133 PM                              IN   FLOODING
06/11/98   FRANKLIN                       COUNTY ROADS CLOSED DUE TO
                                          HIGH WATER

0140 PM                              IN   FLOODING
06/11/98   UNION                          COUNTY ROADS COVERED WITH
                                          HIGH WATER

0210 PM    ALPINE                    IN   FLOODING
06/11/98   FAYETTE                        FLOODING ACROSS ALPINE
                                          COUNTY ROADS CLOSED DUE TO
                                          HIGH WATER

0230 PM    RICHMOND                  IN   FLOODING
06/11/98   WAYNE                          ROADS CLOSED IN RICHMOND
                                          COUNTY ROADS CLOSED ACROSS
                                          COUNTY

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 11, 9:11 AM ESTFlash Flood WarningILNFranklin3 hr
Jun 11, 10:13 AM ESTFlash Flood WarningILNWayne3 hr
Jun 11, 10:22 AM ESTFlash Flood WarningILNFayette, Union2 hr
Jun 11, 12:23 PM ESTFlash Flood WarningILNFayette, Union3 hr
Jun 11, 12:29 PM ESTFlash Flood WarningILNFranklin3 hr
Jun 11, 1:13 PM ESTFlash Flood WarningILNWayne2 hr

Nearby

Flash Flood Warnings in Indiana, 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.