Alert archive / Ohio / Flash Flood Warnings in 1998
Flash Flood Warning 101, NWS Wilmington, OH
NWS Wilmington, OH issued this flash flood warning at Jul 20, 1998, 12:15 AM EST for Union County, Indiana; Butler County, Preble 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
- Jul 20, 1998, 12:15 AM EST (05:15 UTC)
- Expired
- Jul 20, 1998, 2:15 AM EST
- In force
- 2 hr
- Issued by
- NWS Wilmington, OH
- Area
- Whole counties
Counties Union County, IN, Butler County, OH, Preble County, OH
The radar
The Cincinnati radar (KILN), 79 km from the middle of the area, began a volume at 05:16 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, 5.3 hours before the alert went out and 81 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
- 2300 J/kg
- Mixed-layer CIN
- -43 J/kg
- Mixed-layer LCL
- 1282 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 189 m²/s²
- 0-3 km storm-relative helicity
- 232 m²/s²
- Significant tornado parameter
- 1.0
- Supercell composite
- 7.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KILN 200514 FFWILN INC161-OHC017-135-200715- BULLETIN FLOOD WARNING NATIONAL WEATHER SERVICE WILMINGTON OH 115 AM EDT (1215 AM EST) MON JUL 20 1998 THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A * FLOOD WARNING FOR URBAN AREAS AND SMALL STREAMS FOR... BUTLER COUNTY IN SOUTHWESTERN OHIO. PREBLE COUNTY IN WEST CENTRAL OHIO. UNION COUNTY IN EAST CENTRAL INDIANA. * EFFECTIVE UNTIL 315 AM EDT (215 AM EST). *AT 115 AM EDT (1210 AM EST) DOPPLER RADAR INDICATED THAT UP FOUR INCHES OF RAIN HAS FALLEN FROM LIBERTY IN UNION COUNTY THROUGH CAMDEN IN PREBLE COUNTY TO MIDDLETOWN IN BUTLER COUNTY. THUNDERSTORMS WITH HEAVY RAIN WILL CONTINUE MOVE SOUTHEAST ACROSS THIS SAME AREA THROUGH 230 AM EDT WITH ADDITIONAL RAINFALL AMOUNTS OF ONE TO TWO INCHES. THIS WILL CAUSE FLOODING OF ROADWAYS AND SMALL STREAMS TO RISE ABOVE BANKFULL.* * BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED... ACT QUICKLY. PADGETT
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 Jul 19, 2:05 AM EST, 22 hours 10 minutes earlier.
Area forecast discussion, Jul 19, 2:05 AM EST, 22 hours 10 minutes before
FORECAST COORDINATION MESSAGE NATIONAL WEATHER SERVICE WILMINGTON OH 305 AM EDT SUN JUL 19 1998 LTST SFC ANLYS SHWG WRM FNT FM SRN IND INTO CNTRL KY...JUST SW OF FA. SHWRS AND TSMTS CONTG TO DVLP AND TRACK SE ALG FNT IN AREA OF GOOD THETA E CONV...JUST BRUSHING FAR SWRN CWA. WUD XPCT FNT TO LIFT SLOWLY N THRU THIS MRNG SO XPCT TO SEE SOME SHWRS AND TSTMS WORK INTO NRN KY CNTYS. HOWEVER...WITH MID LVL S/W CONTG TO MOV E...SHUD SEE SBSDNC DVLP ACRS AREA THRU THIS MRNG SO ANY SHWRS AND TSTMS THAT DO MAKE IT INTO FA...SHUD NOT HANG ARND TOO LONG. OTHRWS...CLR SKIES IN PLACE ACRS FA THIS MRNG AS MCS OVR MN/IA CONTS TO PUSH ESE. AT 06Z...ETA APPEARED TO HAV BEST HANDLE ON THIS AND WL LEAN TWD ETA SOLUTION THRU TNGT. XPCT TO SEE SOME DEBRIS CLDS WORK INTO NRN PORTIONS OF FA THRU LATE MRNG WHICH MAY CUT BACK ON HTG A LTL BUT WITH GOOD WAA...SHUD STILL SEE TMPS WARM UP PRETTY GOOD. AMS PROGD TO DSTBLZ THRU THIS AFTN WITH CAPES IN THE 2-3K RANGE BY 00Z. WITH VORT AXIS BRUSHING ACRS NRN FA LATE THIS AFTN AND THIS EVNG...LOOKS LIKE BEST CHC OF PCPN/SVR WL BE ACRS DAY AND CMH AREAS. WITH SOME WRMR AIR ALF...INSTBLTY NOT QUITE AS GREAT ACRS SRN FA...BUT WITH WRMFNT PUSHG SLOWLY NE...CHC POPS AlLSO RSBL ACRS THE S FOR LATE THIS AFTN AND EVNG. RDG AXIS AND WRMR AIR ALF WORK IN ACRS AREA ON MON WHICH SHUD KP ANY PCPN GNRLY TO THE NORTH OF FA. DAY 89/72/90 451 CMH 90/72/92 451 CVG 90/72/92 340 PMH 90/72/92 230 LOTT
In the hours before
Special weather statement, Jul 19, 9:49 PM EST, 2 hours 26 minutes before
OHZ026-034-035-042>046-051-052-200330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WILMINGTON OH 1049 PM EDT SUN JUL 19 1998 ...SEVERE THUNDERSTORM WATCH FOR WEST CENTRAL OHIO AND THE NORTHERN PORTIONS OF THE MIAMI VALLEY AND CENTRAL OHIO EXPIRED AT 10 PM EDT... THE LINE OF SEVERE THUNDERSTORMS HAS MOVED SOUTHEAST OF THE REGION. SCATTERED SHOWERS AND THUNDERSTORMS DEVELOPING BEHIND THE LINE WILL AFFECT THE REGION FOR THE NEXT SEVERAL HOURS. STAY TUNED TO NOAA WEATHER OR THE MEDIA FOR FURTHER UPDATES. .END/SITES
Local storm report, Jul 19, 9:58 PM EST, 2 hours 17 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OHIO
1058 PM EDT SUN JUL 19 1998
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1049 PM OH 1.75 INCH HAIL
07/19/98 HAMILTON GOLFBALL HAIL REPORTED IN
NORTH CENTRAL PART OF
COUNTY
1015 PM VANDALIA OH 74 MPH TSTM GUST
07/19/98 MONTGOMERY 74 MPH IN VANDALIA
1018 PM OH 80 MPH TSTM GUST
07/19/98 PICKAWAY 80 MPH GUST IN 5 POINTS
1030 PM OH WIND DAMAGE
07/19/98 MIAMI TREES DOWN COUNTYWIDE
1049 PM OH 70 MPH TSTM GUST
07/19/98 GREENE 70 MPH GUST IN BEAVERCREEK
...CORRECTED FOR DAY AND TIMELocal storm report, Jul 19, 10:00 PM EST, 2 hours 15 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OHIO
1058 AM EDT MON JUL 20 1998
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1049 PM OH 1.75 INCH HAIL
07/19/98 HAMILTON GOLFBALL HAIL REPORTED IN
NORTH CENTRAL PART OF
COUNTY
1015 PM VANDALIA OH 70 MPH TSTM GUST
07/19/98 MONTGOMERY 70 MPH IN VANDALIA
1018 PM OH 80 MPH TSTM GUST
07/19/98 PICKAWAY 80 MPH GUST IN 5 POINTS
1030 PM OH WIND DAMAGE
07/19/98 MIAMI TREES DOWN COUNTYWIDE
1049 PM OH 70 MPH TSTM GUST
07/19/98 GREENE 70 MPH GUST IN BEAVERCREEKLocal storm report, Jul 19, 11:04 PM EST, 1 hour 11 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OHIO
1058 PM EDT SUN JUL 19 1998
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1049 PM OH 1.75 INCH HAIL
07/19/98 HAMILTON GOLFBALL HAIL REPORTED IN
NORTH CENTRAL PART OF
COUNTY
1015 PM VANDALIA OH 74 MPH TSTM GUST
07/19/98 MONTGOMERY 74 MPH IN VANDALIA
1018 PM OH 80 MPH TSTM GUST
07/19/98 PICKAWAY 80 MPH GUST IN 5 POINTS
1030 PM OH WIND DAMAGE
07/19/98 MIAMI TREES DOWN COUNTYWIDE
1049 PM OH 70 MPH TSTM GUST
07/19/98 GREENE 70 MPH GUST IN BEAVERCREEK
...CORRECTED FOR DAY AND TIMESpecial weather statement, Jul 19, 11:19 PM EST, 56 minutes before
OHZ054>056-062>065-073-074-200530- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WILMINGTON OH 1219 AM EDT MON JUL 20 1998 ...SEVERE THUNDERSTORM WATCH FOR CENTRAL OHIO AND PART OF THE MIAMI VALLEY HAS BEEN CANCELLED... THE LINE OF SEVERE THUNDERSTORMS HAS MOVED SOUTHEAST OF THE REGION. SHOWERS AND THUNDERSTORMS BEHIND THE LINE WILL AFFECT THE REGION FOR THE NEXT SEVERAL HOURS. STAY TUNED TO NOAA WEATHER OR THE MEDIA FOR FURTHER UPDATES. .END/SITES
Local storm report, Jul 19, 11:26 PM EST, 49 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OHIO
1228 PM EDT MON JUL 20 1998
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1115 PM NEWTOWN OH .75 INCH HAIL
07/19/98 HAMILTON
1121 PM OH 50 MPH TSTM GUST
07/19/98 CLINTON A 50 KTS WIND GUST AT NWS
ILN OFFICE TREES DOWN
ACROSS COUNTY AND
WILMINGTON
1123 PM OH .75 INCH HAIL
07/19/98 CLINTON DIME SIZE HAIL NEAR COWEN
LAKE
1145 PM OH WIND DAMAGE
07/19/98 HIGHLAND TREES AND POWER LINES DOWN
ACROSS COUNTY
1150 PM IN WIND DAMAGE
07/19/98 WAYNE TREES DOWN IN PERSHING
1155 PM IN WIND DAMAGE
07/19/98 UNION TREES AND POWER LINES DOWN
ACROSS THE COUNTY
1200 AM OH WIND DAMAGE
07/20/98 BROWN T TREES DOWN COUNTYWIDE
1215 AM PORTSMOUTH OH WIND DAMAGE
07/20/98 SCIOTO LARGE TREE LIMBS DOWNThe office that day
Everything else NWS Wilmington, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 19, 8:55 PM EST | Severe Thunderstorm Warning | ILN | Fayette, Franklin, Union | 60 min |
| Jul 19, 10:14 PM EST | Severe Thunderstorm Warning | ILN | Fayette, Union, Wayne | 61 min |
| Jul 19, 11:36 PM EST | Flash Flood Warning | ILN | Wayne | 2 hr |
| Jul 19, 11:58 PM EST | Severe Thunderstorm Warning | ILN | Union | 32 min |
| Jul 20, 12:35 AM EST | Severe Thunderstorm Warning | ILN | Franklin | 45 min |
| Jul 20, 2:35 AM EST | Severe Thunderstorm Warning | ILN | Franklin, Ripley | 50 min |
| Jul 20, 2:58 AM EST | Flash Flood Warning | ILN | Dearborn, Ripley | 2 hr |
| Jul 20, 4:10 AM EST | Flash Flood Warning | ILN | Ripley | 115 min |
| Jul 20, 4:37 AM EST | Flash Flood Warning | ILN | Switzerland | 2 hr |
| Jul 20, 6:05 AM EST | Flash Flood Warning | ILN | Ripley | 3 hr |
| Jul 20, 6:30 AM EST | Flash Flood Warning | ILN | Switzerland | 3 hr |
| Jul 19, 7:03 PM EST | Tornado Warning | ILN | Hardin | 47 min |
| Jul 19, 7:04 PM EST | Severe Thunderstorm Warning | ILN | Logan, Shelby | 61 min |
| Jul 19, 7:04 PM EST | Severe Thunderstorm Warning | ILN | Darke | 61 min |
| Jul 19, 7:14 PM EST | Tornado Warning | ILN | Mercer | 36 min |
| Jul 19, 7:34 PM EST | Tornado Warning | ILN | Shelby | 31 min |
| Jul 19, 7:38 PM EST | Severe Thunderstorm Warning | ILN | Delaware, Union | 62 min |
| Jul 19, 7:44 PM EST | Severe Thunderstorm Warning | ILN | Champaign, Miami | 61 min |
| Jul 19, 7:57 PM EST | Severe Thunderstorm Warning | ILN | Darke, Mercer | 63 min |
| Jul 19, 8:08 PM EST | Severe Thunderstorm Warning | ILN | Clark, Madison | 62 min |
| Jul 19, 8:08 PM EST | Severe Thunderstorm Warning | ILN | Franklin | 62 min |
| Jul 19, 8:30 PM EST | Severe Thunderstorm Warning | ILN | Licking | 60 min |
| Jul 19, 8:47 PM EST | Severe Thunderstorm Warning | ILN | Miami, Montgomery | 63 min |
| Jul 19, 8:51 PM EST | Severe Thunderstorm Warning | ILN | Greene | 64 min |
| Jul 19, 8:53 PM EST | Severe Thunderstorm Warning | ILN | Fairfield, Pickaway | 62 min |
| Jul 19, 9:13 PM EST | Severe Thunderstorm Warning | ILN | Fayette | 62 min |
| Jul 19, 9:18 PM EST | Severe Thunderstorm Warning | ILN | Butler, Hamilton | 62 min |
| Jul 19, 9:24 PM EST | Severe Thunderstorm Warning | ILN | Madison | 46 min |
| Jul 19, 9:44 PM EST | Severe Thunderstorm Warning | ILN | Clinton, Warren | 66 min |
| Jul 19, 9:57 PM EST | Severe Thunderstorm Warning | ILN | Pickaway, Ross | 78 min |
| Jul 19, 10:03 PM EST | Severe Thunderstorm Warning | ILN | Clermont | 77 min |
| Jul 19, 10:03 PM EST | Severe Thunderstorm Warning | ILN | Brown | 82 min |
| Jul 19, 10:26 PM EST | Severe Thunderstorm Warning | ILN | Highland | 64 min |
| Jul 19, 10:43 PM EST | Severe Thunderstorm Warning | ILN | Adams, Pike | 72 min |
| Jul 19, 11:07 PM EST | Severe Thunderstorm Warning | ILN | Scioto | 58 min |
| Jul 20, 1:48 AM EST | Flash Flood Warning | ILN | Hamilton | 2 hr |
| Jul 20, 3:25 AM EST | Flash Flood Warning | ILN | Butler | 2 hr |
Nearby
Flash Flood Warnings in Ohio, 1998Flash 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.