Alert archive / Indiana / Flash Flood Warnings in 1998
Flash Flood Warning 27, NWS Wilmington, OH
NWS Wilmington, OH issued this flash flood warning at Apr 16, 1998, 5:10 AM EDT for Ohio County, Switzerland County, Indiana. 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
- Apr 16, 1998, 5:10 AM EDT (09:10 UTC)
- Expired
- Apr 16, 1998, 8:10 AM EDT
- In force
- 3 hr
- Issued by
- NWS Wilmington, OH
- Area
- Whole counties
Counties Ohio County, IN, Switzerland County, IN
The radar
The Cincinnati radar (KILN), 118 km from the middle of the area, began a volume at 09:12 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, 9.2 hours before the alert went out and 120 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 835 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 137 m²/s²
- 0-3 km storm-relative helicity
- 283 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KILN 160913 FFWILN INC115-155-KYC041-161210- BULLETIN FLOOD WARNING NATIONAL WEATHER SERVICE WILMINGTON OH 510 AM EDT (410 AM EST) THU APR 16 1998 THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A * FLOOD WARNING FOR SMALL STREAMS FOR... CARROLL COUNTY IN NORTHERN KENTUCKY OHIO COUNTY IN SOUTHEASTERN INDIANA SWITZERLAND COUNTY IN SOUTHEASTERN INDIANA * EFFECTIVE UNTIL 810 AM EDT (710 AM EST) * AT 510 AM EDT (410 AM EST)...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF STRONG THUNDERSTORMS WITH VERY HEAVY RAIN MOVING ACROSS SOUTHEAST INDIANA AND NORTHERN KENTUCKY. SINCE 3 AM EDT (2 AM EST)...BETWEEN ONE AND TWO INCHES OF RAIN HAD FALLEN ACROSS THE AREA. * SHOWERS AND THUNDERSTORMS ARE EXPECTED TO CONTINUE THROUGH THE MID MORNING HOURS. THIS WILL RESULT IN AREAS OF FLOODING... ESPECIALLY IN LOW LYING AREAS AND ALONG THE SMALLER CREEKS AND STREAMS. IF FLASH FLOODING IS OBSERVED...ACT QUICKLY. MOVE TO H>IGHER 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 Apr 16, 2:08 AM EDT, 3 hours 2 minutes earlier.
Area forecast discussion, Apr 16, 2:08 AM EDT, 3 hours 2 minutes before
FORECAST COORDINATION MESSAGE NATIONAL WEATHER SERVICE WILMINGTON OH 208 AM EDT THU APR 16 1998 FCST PROBS TDA ARE TIMING OF PRECIP...ASSESSMENT OF NEED FOR FLASH FLOOD WATCHES AND AFFECTS ON TEMPS. LTST/, SFC ANALYS SHWS LO PRES IN SE IA WITH QUASI-STATIONARY WRMFNT XTNDG E FM NR IND TO CVG. TSTMS DVLPG IN WRM SECTOR ACRS SRN IL AND SRN IL WHERE MSTR FLUX CNVRGC IS VRY FAVORABLE AND CAPES ARND 2000 J/KG. THESE STMS TRAINING E ACRS PTN OF SE IN AND SRN OH. RIPLEY CNTY IN HS RCVD 3.2 INCHES OF RAIN IN PAST 2 HRS AND MANY ROADS ARE WASHED OUT. FRANKLIN AND DEARBORN ALSO HV FLOOD PROBLEMS. IN VRY MOIST SWRLY UPR FLO...H7 S/WV OVR SRN OH THIS MRNG. WITH THE PASSAGE OF THIS S/WV XPCT A BRIEF LULL IN ACTIVITY WITH ADDITIONAL TSTM DVLPMNT THIS AFTN AS CDFNT APPROACHES. CAPES AHD OF THIS FNT ARE XPCTD TO BE IN 800-1200 J/KG RANGE. SVR STMS ARE NOT OUT OF THE QUESTION AGN TDA. BASED ON ALL THE RAIN WE ARE RECEIVING AND ADDITIONAL TSTMS XPCTD TDA...STGLY SUGG FLASH FLOOD WATCHES FOR E CNTRL AND SE IN...SRN OH AND NRN KY. CDFNT TO PASS THRU OH TNGT WITH THE PRECIP COMING TO AN END ACRS ALL BUT S CNTRL OH/NE KY AS DRIER AIR FILTERS INTO THE RGN. DEEPER MSTR MOVS TO E BUT GRIDDED 1000/850 MB SHWG HI LYR AVG RH. XPCT SKIES TO RMN MSTLY CLDY OVRNGT. A FW MRNG SHWRS MAY LINGER OVR S CNTL OH AND NE KY. OTHERWISE... SFC RDG BLDS INTO OH ON FRI WITH DEEPER MSTR SHUNTED TO THE S AND E WITH FRONTAL BNDRY. UNDER CONTD DRYING WE SHUD SEE PTLY SUNNY COND FRI. CVG 075/051 059/041 062 +62 DAY 071/048 058/039 060 +62 CMH 072/052 060/040 061 +82 RANDALL
In the hours before
Special weather statement, Apr 16, 2:40 AM EDT, 2 hours 30 minutes before
INZ066-073>075-080-KYZ089>100-OHZ070>073-077>082-088-161200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WILMINGTON OH 240 AM EDT THU APR 16 1998 ...TORNADO WATCH IN EFFECT FOR EAST CENTRAL AND SOUTHEAST INDIANA - THE MIAMI VALLEY -SOUTH WEST AND SOUTH CENTRAL OHIO - PORTIONS OF CENTRAL OHIO AND ALL OF NORTHERN KENTUCKY UNTIL 8 AM EDT... STRONG TO SEVERE THUNDERSTORMS HAVE DEVELOPED ACROSS SOUTHERN INDIANA ALONG AND SOUTH OF A WARM FRONT THAT EXTENDS FROM INDIANAPOLIS TO CINCINNATI. THESE THUNDERSTORMS WILL CONTINUE TO SPREAD TOWARD THE EAST AND NORTHEAST AND INTO THE REST OF THE TORNADO WATCH AREA. CITIES IN THE WATCH AREA INCLUDE BROOKVILLE...CINCINNATI...HAMILTON... PORTSMOUTH...OWENTON AND MAYSVILLE. CONDITIONS ARE FAVORABLE FOR THUNDERSTORMS TO INTENSIFY RAPIDLY TO PRODUCE TORNADOES...DAMAGING WIND GUSTS AND LARGE HAIL. THEREFORE A TORNADO WATCH IS IN EFFECT UNTIL 8 AM EDT. THESE STORMS WILL TRACK ACROSS VERY SATURATED GROUND. THEREFORE THE POTENTIAL FOR FLASH FLOODING REMAINS HIGH. PEOLPLE ALONG CREEKS AND STREAMS SHOULD MONITOR WATER LEVELS FREQUENTLY. IF YOU ARE LOCATED WITHIN OR CLOSE TO THE WATCH AREA...YOU ARE STRONGLY URGED TO MONITOR NOAA WEATHER RADIO...COMMERCIAL RADIO... LOCAL OR CABLE TELEVISION FOR UPDATES CONCERNING THIS POTENTIALLY DANGEROUS WEATHER SITUATION. RANDALL
Local storm report, Apr 16, 3:25 AM EDT, 1 hour 45 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OHIO
325 AM EDT THU APR 16 1998
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0130 AM IN FLOODING
04/16/98 FRANKLIN ROADS CLOSED DUE TO HIGH
WATER AT 1230 AM EST
0223 AM IN FLOODING
04/16/98 RIPLEY ROADS WASHED OUT AT 123 AM
EST
0225 AM IN FLOODING
04/16/98 DEARBORN HIGH WATER ON ROADS AT 125 AM
EST
0228 AM IN FLOODING
04/16/98 FRANKLIN ROADS WASHED OUTLocal storm report, Apr 16, 3:25 AM EDT, 1 hour 45 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OHIO
325 AM EDT THU APR 16 1998
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0130 AM IN FLOODING
04/16/98 FRANKLIN ROADS CLOSED DUE TO HIGH
WATER AT 1230 AM EST
0223 AM IN FLOODING
04/16/98 RIPLEY ROADS WASHED OUT AT 123 AM
EST
0225 AM IN FLOODING
04/16/98 DEARBORN HIGH WATER ON ROADS AT 125 AM
EST
0228 AM IN FLOODING
04/16/98 FRANKLIN ROADS WASHED OUTLocal storm report, Apr 16, 3:32 AM EDT, 1 hour 38 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OHIO
332 AM EDT THU APR 16 1998
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0258 AM OH FLOODING
04/16/98 BUTLER SEVERAL ROADS WITH HIGH
WATERLocal storm report, Apr 16, 3:32 AM EDT, 1 hour 38 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OHIO
332 AM EDT THU APR 16 1998
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0258 AM OH FLOODING
04/16/98 BUTLER SEVERAL ROADS WITH HIGH
WATERSpecial weather statement, Apr 16, 5:08 AM EDT, 2 minutes before
INZ050-058-059-066-073>075-080-KYZ089>100-OHZ026-034-035-042>046- 051>056-060>065-070>074-077>082-088-161600- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE WILMINGTON OH 450 AM EDT (350 AM EST) THU APR 16 1998 ...ADDITIONAL SEVERE THUNDERSTORMS POSSIBLE THIS AFTERNOON AND THIS EVENING... THE STORM PREDICTION CENTER HAS INDICATED THAT A SLIGHT RISK OF SEVERE THUNDERSTORMS EXISTS ACROSS EAST CENTRAL AND SOUTHEAST INDIANA... SOUTHWEST OHIO...THE MIAMI VALLEY...CENTRAL AND SOUTH CENTRAL OHIO AND NORTHERN KENTUCKY TODAY. EARLY THIS MORNING AN AREA OF LOW PRESSURE WAS CENTERED OVER WEST CENTRAL ILLINOIS...WITH A WARM FRONT EXTENDING EAST ACROSS CENTRAL INDIANA INTO SOUTHERN OHIO. AN ASSOCIATED COLD FRONT TRAILED SOUTH-WESTWARD ACROSS CENTRAL MISSOURI INTO NORTH CENTRAL TEXAS. THE LOW PRESSURE SYSTEM WILL MOVE NORTHEASTWARD ACROSS MICHIGAN INTO SOUTHERN ONTARIO BY EVENING. THE ASSOCIATED COLD FRONT WILL TRACK EASTWARD THROUGH THE MISSISSIPPI VALLEY INTO WESTERN OHIO BY EVENING. THUNDERSTORMS THAT ARE CURRENTLY MOVING THROUGH THE OHIO VALLEY WILL LIKELY PRODUCE OUTFLOW BOUNDARIES THAT WILL BE THE FOCUS FOR FURTHER DEVELOPMENT LATER THIS AFTERNOON AND EVENING. THE MAIN SEVERE WEATHER THREATS WILL BE DAMAGING WINDS AND LARGE HAIL. STORM SPOTTER ACTIVATION MAY BE NEEDED FOR THE AFTERNOON AND EVENING. STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER UPDATES ON THIS DEVELOPING SITUATION. RANDALL
The office that day
Everything else NWS Wilmington, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 15, 10:53 PM EDT | Flash Flood Warning | ILN | Franklin | 2 hr |
| Apr 15, 11:09 PM EDT | Severe Thunderstorm Warning | ILN | Franklin, Ripley | 46 min |
| Apr 16, 12:30 AM EDT | Flash Flood Warning | ILN | Dearborn, Ripley | 2 hr |
| Apr 16, 12:47 AM EDT | Flash Flood Warning | ILN | Franklin | 118 min |
| Apr 16, 1:35 AM EDT | Flash Flood Warning | ILN | Dearborn, Franklin, Ripley | 115 min |
| Apr 16, 3:35 AM EDT | Flash Flood Warning | ILN | Dearborn, Franklin, Ripley | 3 hr |
| Apr 16, 7:03 AM EDT | Flash Flood Warning | ILN | Dearborn, Franklin, Ripley | 3 hr |
| Apr 16, 7:30 AM EDT | Flash Flood Warning | ILN | Switzerland | 3 hr |
| Apr 16, 7:30 AM EDT | Flash Flood Warning | ILN | Ohio | 3 hr |
| Apr 16, 5:14 PM EDT | Severe Thunderstorm Warning | ILN | Franklin | 56 min |
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; radar from the NEXRAD Level II archive.