Alert archive / Ohio / Flash Flood Warnings in 1998
Flash Flood Warning 34, NWS Wilmington, OH
NWS Wilmington, OH issued this flash flood warning at Apr 16, 1998, 7:36 AM EDT for Franklin 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
- Apr 16, 1998, 7:36 AM EDT (11:36 UTC)
- Expired
- Apr 16, 1998, 10:35 AM EDT
- In force
- 3 hr
- Issued by
- NWS Wilmington, OH
- Area
- Whole counties
County Franklin County, OH
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 00:00Z, 11.6 hours before the alert went out and 90 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 161138 FFWILN OHC049-161435- BULLETIN FLOOD WARNING NATIONAL WEATHER SERVICE WILMINGTON OH 736 AM EDT THU APR 16 1998 THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A * FLOOD WARNING FOR URBAN AREAS AND SMALL STREAMS FOR... FRANKLIN COUNTY IN CENTRAL OHIO * EFFECTIVE UNTIL 1035 AM EDT * AT 730 AM EDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED AN AREA THUNDERSTORMS PRODUCING VERY HEAVY RAIN WERE MOVING NORTHEAST THROUGH THE COLUMBUS METRO AREA. *DOPPLER RADAR AND SPOTTER REPORTS INDICATE THAT UP TO 2 INCHES OF RAIN HAS FALLEN OVERNIGHT. THIS RAINFALL HAS RESULTED IN HIGH WATER ON A NUMBER OF ROADS. RAIN WILL CONTINUE...HEAVY AT TIMES THROUGH 930 AM BEFORE COMING TO AN END. THIS ADDTIONAL RAINFALL WILL CAUSE SOME AREA CREEK TO FLOOD AND FLOODING OF 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. RANDALL
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, 5 hours 28 minutes earlier.
Area forecast discussion, Apr 16, 2:08 AM EDT, 5 hours 28 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
Local storm report, Apr 16, 3:32 AM EDT, 4 hours 4 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 hours 28 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
Special weather statement, Apr 16, 6:10 AM EDT, 1 hour 26 minutes before
INZ066-073>075-080-KYZ089>100-OHZ070>073-077>082-088-161200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WILMINGTON OH 610 AM EDT THU APR 16 1998 ...TORNADO WATCH REMAINS IN EFFECT FOR SOUTH CENTRAL OHIO AND NORTHEAST KENTUCKY UNTIL 8 AM EDT... THE TORNADO WATCH HAS BEEN CANCELLED FOR EAST CENTRAL AND SOUTHEAST INDIANA...SOUTHWEST OHIO AND NORTH CENTRAL KENTUCKY. THE TORNADO WATCH IS NO LONGER IN EFFECT FOR THE CINCINNATI METRO AREA. A LINE OF STRONG THUNDERSTORMS HAS MOVED INTO SOUTH CENTRAL OHIO AND NORTHEAST KENTUCKY FROM ABOUT HILLSBORO TO GEORGETOWN TO BROOKSVILLE. THESE THUNDERSTORMS WILL CONTINUE TO SPREAD TOWARD THE EAST AND NORTHEAST AND INTO THE TORNADO WATCH AREA. COUNTIES STILL IN THE TORNADO WATCH INCLUDE HIGHLAND...BROWN... ADAMS...PIKE...ROSS...SCIOTO...BRACKEN...MASON...ROBERTSON...AND LEWIS. IN THE TORNADO WATCH AREA CONDITIONS REMAIN FAVORABLE FOR DAMAGING WINDS...LARGE HAIL AND ISOLATED TORNADOES. 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
Special weather statement, Apr 16, 6:10 AM EDT, 1 hour 26 minutes before
INZ066-073>075-080-KYZ089>100-OHZ070>073-077>082-088-161200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WILMINGTON OH 610 AM EDT THU APR 16 1998 ...TORNADO WATCH REMAINS IN EFFECT FOR SOUTH CENTRAL OHIO AND NORTHEAST KENTUCKY UNTIL 8 AM EDT... THE TORNADO WATCH HAS BEEN CANCELLED FOR EAST CENTRAL AND SOUTHEAST INDIANA...SOUTHWEST OHIO AND NORTH CENTRAL KENTUCKY. THE TORNADO WATCH IS NO LONGER IN EFFECT FOR THE CINCINNATI METRO AREA. A LINE OF STRONG THUNDERSTORMS HAS MOVED INTO SOUTH CENTRAL OHIO AND NORTHEAST KENTUCKY FROM ABOUT HILLSBORO TO GEORGETOWN TO BROOKSVILLE. THESE THUNDERSTORMS WILL CONTINUE TO SPREAD TOWARD THE EAST AND NORTHEAST AND INTO THE TORNADO WATCH AREA. COUNTIES STILL IN THE TORNADO WATCH INCLUDE HIGHLAND...BROWN... ADAMS...PIKE...ROSS...SCIOTO...BRACKEN...MASON...ROBERTSON...AND LEWIS. IN THE TORNADO WATCH AREA CONDITIONS REMAIN FAVORABLE FOR DAMAGING WINDS...LARGE HAIL AND ISOLATED TORNADOES. 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, 6:27 AM EDT, 1 hour 9 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OHIO
627 AM EDT THU APR 16 1998
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0230 AM IN FLOODING
04/16/98 FRANKLIN ROADS CLOSED DUE TO
FLOODING
0246 AM OH FLOODING
04/16/98 HAMILTON NUMEROUS ROADS CLOSED BY
WATER
0320 AM OH FLOODING
04/16/98 CLERMONT NORTHERN SECTIONS HIGH
WATER COVERING ROADS
0323 AM IN FLOODING
04/16/98 RIPLEY COUPLE OF ROADS WASHOUT
OTHER ROADS CLOSED
0323 AM WILMINGTON OH FLOODING
04/16/98 CLINTON ROAD CLOSED HIGH WATER
0330 AM OH FLOODING
04/16/98 WARREN ROADS CLOSED HAMILTON AND
FRANKLIN TOWNSHIPS
0415 AM OH FLOODING
04/16/98 WARREN SR 73 NEARLY IMPASSABLE
WAYNESVILLE-SPRINGBORO
0420 AM OH FLOODING
04/16/98 BUTLER HIGH WATER COVERING
ROADWAYS
0423 AM MIAMITOWN OH FLOODING
04/16/98 HAMILTON ROAD CLOSED FLOODINGLocal storm report, Apr 16, 6:27 AM EDT, 1 hour 9 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OHIO
627 AM EDT THU APR 16 1998
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0230 AM IN FLOODING
04/16/98 FRANKLIN ROADS CLOSED DUE TO
FLOODING
0246 AM OH FLOODING
04/16/98 HAMILTON NUMEROUS ROADS CLOSED BY
WATER
0320 AM OH FLOODING
04/16/98 CLERMONT NORTHERN SECTIONS HIGH
WATER COVERING ROADS
0323 AM IN FLOODING
04/16/98 RIPLEY COUPLE OF ROADS WASHOUT
OTHER ROADS CLOSED
0323 AM WILMINGTON OH FLOODING
04/16/98 CLINTON ROAD CLOSED HIGH WATER
0330 AM OH FLOODING
04/16/98 WARREN ROADS CLOSED HAMILTON AND
FRANKLIN TOWNSHIPS
0415 AM OH FLOODING
04/16/98 WARREN SR 73 NEARLY IMPASSABLE
WAYNESVILLE-SPRINGBORO
0420 AM OH FLOODING
04/16/98 BUTLER HIGH WATER COVERING
ROADWAYS
0423 AM MIAMITOWN OH FLOODING
04/16/98 HAMILTON ROAD CLOSED FLOODINGThe office that day
Everything else NWS Wilmington, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 15, 8:07 PM EDT | Severe Thunderstorm Warning | ILN | Ross | 48 min |
| Apr 15, 11:42 PM EDT | Flash Flood Warning | ILN | Butler | 118 min |
| Apr 16, 1:33 AM EDT | Flash Flood Warning | ILN | Butler | 3 hr |
| Apr 16, 1:48 AM EDT | Flash Flood Warning | ILN | Hamilton | 3 hr |
| Apr 16, 2:12 AM EDT | Flash Flood Warning | ILN | Clermont, Clinton, Warren | 3 hr |
| Apr 16, 3:48 AM EDT | Flash Flood Warning | ILN | Hamilton | 3 hr |
| Apr 16, 4:05 AM EDT | Flash Flood Warning | ILN | Butler | 3 hr |
| Apr 16, 5:05 AM EDT | Flash Flood Warning | ILN | Clermont, Clinton, Warren | 4 hr |
| Apr 16, 6:36 AM EDT | Flash Flood Warning | ILN | Hamilton | 3 hr |
| Apr 16, 7:30 AM EDT | Flash Flood Warning | ILN | Clermont, Warren | 3 hr |
| Apr 16, 8:11 AM EDT | Flash Flood Warning | ILN | Franklin | 2 hr |
| Apr 16, 4:35 PM EDT | Severe Thunderstorm Warning | ILN | Mercer | 65 min |
| Apr 16, 5:44 PM EDT | Severe Thunderstorm Warning | ILN | Preble | 46 min |
| Apr 16, 6:00 PM EDT | Severe Thunderstorm Warning | ILN | Montgomery | 35 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.