Alert archive / Ohio / Flash Flood Warnings in 1998
Flash Flood Warning 77, NWS Wilmington, OH
NWS Wilmington, OH issued this flash flood warning at Jun 15, 1998, 3:37 PM EDT for Montgomery County, Preble County, Ohio. It was in force for 118 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 15, 1998, 3:37 PM EDT (19:37 UTC)
- Expired
- Jun 15, 1998, 5:35 PM EDT
- In force
- 118 min
- Issued by
- NWS Wilmington, OH
- Area
- Whole counties
Counties Montgomery County, OH, Preble County, OH
The radar
The Cincinnati radar (KILN), 66 km from the middle of the area, began a volume at 19:37 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 12:00Z, 7.6 hours before the alert went out and 67 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.
- Mixed-layer CAPE
- 672 J/kg
- Mixed-layer CIN
- -48 J/kg
- Mixed-layer LCL
- 653 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 88 m²/s²
- 0-3 km storm-relative helicity
- 81 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.5
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KILN 151938 FFWILN OHC113-135-152135- BULLETIN FLOOD WARNING NATIONAL WEATHER SERVICE WILMINGTON OH 337 PM EDT MON JUN 15 1998 THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A * FLOOD WARNING FOR URBAN AREAS AND SMALL STREAMS FOR... MONTGOMERY COUNTY IN WEST CENTRAL OHIO. PREBLE COUNTY IN WEST CENTRAL OHIO. * EFFECTIVE UNTIL 535 PM EDT. * AT 333 PM EDT...A BAND OF SHOWERS AND THUNDERSTORMS WITH VERY HEAVY DOWNPOURS WAS MOVING FROM WEST TO EAST THROUGH NORTHERN SECTIONS OF PREBLE AND MONTGOMERY COUNTIES...ALONG AND NORTH OF INTERSTATE 70. * NATIONAL WEATHER SERVICE DOPPLER RADAR ESTIMATED THAT BETWEEN ONE AND TWO INCHES IF RAIN HAD ALREADY FALLEN ACROSS PARTS OF THIS AREA SINCE EARLY THIS AFTERNOON. * SHOWERS AND THUNDERSTORMS WILL CONTINUE TO PRODUCE HEAVY DOWNPOURS THROUGH 535 PM...AND ANOTHER ONE TO TWO INCHES OF RAIN WILL FALL ALONG AND NORTH OF INTERSTATE 70 BY THAT TIME. * THIS ADDITIONAL HEAVY RAIN WILL PRODUCE FLOODINGN OF CREEKS... STREAMS AND ROADS. * 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 15, 9:40 AM EDT, 5 hours 57 minutes earlier.
Area forecast discussion, Jun 15, 9:40 AM EDT, 5 hours 57 minutes before
FORECAST COORDINATION MESSAGE NATIONAL WEATHER SERVICE WILMINGTON OH 940 AM EDT MON JUN 15 1998 AWIPS ARRIVING...SO PRETTY CHAOTIC HERE THIS AM. S/W MVNG THRU BASE OF TROF NOW IN ERN IL/WRN IN. 12Z SFC ANLYS SHWG TWO BNDRYS ACRS CWA...ONE JUST S OF IND TO S OF CMD...OTHER FARTHER N TWD LIMA AND CAK AREA. S/W ENERGY SEEMS TO BE ENHANCING PCPN ACRS CNTL OH. DWPTS IN MID 60S ADVECTING INTO MORE SRN BNDRY...BNDRY FCST TO MV SLOWLY NORTH IN RESPONSE TO SFC LO LIFTING NE. THIS BNDRY SHUD BE THE FOCUS FOR RW/TRW TDY. 12Z SOUNDING SHOWED KI OF 39 AND PW OF 1.55... SO VERY JUICY AIR IN PLACE OVR REGION. YSTDY RAINFALL TOTALS...WERE OVER AN INCH FROM WAYNE TO FRANKLIN CTY IN INDIANA...OVER TO CLINTON AND FAYETTE COUNTIES IN OHIO. ANOTHER AREA OF OVER AN INCH ACRS OH RVR IN SRN CWA. FOCUS FOR PCPN SHUD BE FROM EAST CNTL INDIANA OVER TO CMH AREA. DEFINITELY THINK FFA NEEDED FOR EAST CENTRAL INDIANA AS IS IN FCST NOW. CNTL OHIO WORKED OVER ALREADY THIS AM...SO MAY NEED FLASH FLOOD WATCH FOR AN AREA FROM JUST N OF DAY OVER TO CMH ALSO W/ S/W PROGGED TO CROSS AREA AND MORE ENHANCEMENT IN STORE. AREA HAS SEEN LAST OF SUNSHINE FOR TDY W/ CLDS TO WEST...SO MOSTLY CLOUDY. TEMPS LOOK OK BUT CMH CUD REACH MID 70S W/ LTL HELP. FARINA
In the hours before
Local storm report, Jun 15, 10:58 AM EDT, 4 hours 39 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OHIO
1058 AM EDT MON JUN 15 1998
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0227 PM HAGERSTOWN IN FLOODING
06/15/98 WAYNE ROADS FLOODED...SR 38
CLOSEDLocal storm report, Jun 15, 2:59 PM EDT, 38 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OHIO
1058 AM EDT MON JUN 15 1998
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0227 PM HAGERSTOWN IN FLOODING
06/15/98 WAYNE ROADS FLOODED...SR 38
CLOSEDThe office that day
Everything else NWS Wilmington, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 14, 9:01 PM EDT | Severe Thunderstorm Warning | ILN | Clermont | 34 min |
| Jun 14, 9:15 PM EDT | Severe Thunderstorm Warning | ILN | Brown | 20 min |
| Jun 14, 10:04 PM EDT | Flash Flood Warning | ILN | Brown | 3 hr |
| Jun 14, 11:10 PM EDT | Flash Flood Warning | ILN | Adams, Scioto | 2 hr |
| Jun 15, 4:49 PM EDT | Tornado Warning | ILN | Darke | 46 min |
| Jun 15, 5:31 PM EDT | Tornado Warning | ILN | Montgomery | 34 min |
| Jun 15, 6:54 PM EDT | Tornado Warning | ILN | Clinton | 46 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.