Alert archive / Ohio / Flash Flood Warnings in 1998
Flash Flood Warning 35, NWS Wilmington, OH
NWS Wilmington, OH issued this flash flood warning at Apr 16, 1998, 8:11 AM EDT for Franklin County, Ohio. It was in force for 2 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, 8:11 AM EDT (12:11 UTC)
- Expired
- Apr 16, 1998, 10:40 AM EDT
- In force
- 2 hr
- Issued by
- NWS Wilmington, OH
- Area
- Whole counties
County Franklin County, OH
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 12:00Z, 0.2 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
- 986 m above ground
- 0-6 km bulk shear
- 61 kt
- 0-1 km storm-relative helicity
- 120 m²/s²
- 0-3 km storm-relative helicity
- 103 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KILN 161214 FFWILN OHC049-161440- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE WILMINGTON OH 811 AM EDT THU APR 16 1998 THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A * FLASH FLOOD WARNING FOR... FRANKLIN COUNTY IN CENTRAL OHIO * EFFECTIVE UNTIL 1040 AM EDT * AT 800 AM... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED HEAVY RAIN CONTINUING ACROSS CENTRAL OHIO. DURING THE OVERNIGHT HOURS AROUND 2 INCHES OF RAIN HAD FALLEN IN FRANKLIN COUNTY AND ANOTHER INCH OR MORE IS EXPECTED THROUGH AT LEAST 10 AM. OFFICIALS REPORTED 30 TO 50 MOBILE HOMES EVACUATED IN THE TOWN OF WHITEHALL...WHICH IS ON THE EAST SIDE OF COLUMBUS. * AREA RESIDENTS SHOULD MONITOR FLONOD CONDITIONS AND BE PREPARED TO MOVE TO HIGHER GROUND SHOULD FLOOD WATERS THREATEN. & SANDLER
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, 6 hours 3 minutes earlier.
Area forecast discussion, Apr 16, 2:08 AM EDT, 6 hours 3 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, 6:10 AM EDT, 2 hours 1 minute 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, 2 hours 1 minute 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 44 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 44 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 FLOODINGSpecial weather statement, Apr 16, 7:55 AM EDT, 16 minutes before
OHZ073-079>082-088-161600- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WILMINGTON OH 755 AM EDT THU APR 16 1998 ...TORNADO WATCH CANCELLED FOR FOR SOUTH CENTRAL OHIO AND NORTHEAST KENTUCKY... THE STRONGEST STORMS HAVE MOVED EAST OF THE TORNADO WATCH AREA. THEREFORE THE TORNADO WATCH IS NO LONGER IN EFFECT FOR SOUTH CENTRAL OHIO AND NORTHEAST KENTUCKY. ALTHOUGH SEVERE WEATHER IS NO LONGER A THREAT...HEAVY RAIN AND FLOODING WILL REMAIN A THREAT THROUGH THE MORNING. RANDALL
Special weather statement, Apr 16, 7:55 AM EDT, 16 minutes before
OHZ073-079>082-088-161600- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WILMINGTON OH 755 AM EDT THU APR 16 1998 ...TORNADO WATCH CANCELLED FOR FOR SOUTH CENTRAL OHIO AND NORTHEAST KENTUCKY... THE STRONGEST STORMS HAVE MOVED EAST OF THE TORNADO WATCH AREA. THEREFORE THE TORNADO WATCH IS NO LONGER IN EFFECT FOR SOUTH CENTRAL OHIO AND NORTHEAST KENTUCKY. ALTHOUGH SEVERE WEATHER IS NO LONGER A THREAT...HEAVY RAIN AND FLOODING WILL REMAIN A THREAT THROUGH THE MORNING. RANDALL
The 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, 7:36 AM EDT | Flash Flood Warning | ILN | Franklin | 3 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.