Alert archive / Ohio / Flash Flood Warnings in 1998
Flash Flood Warning 44, NWS Wilmington, OH
NWS Wilmington, OH issued this flash flood warning at Jun 10, 1998, 2:06 AM EDT for Brown 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
- Jun 10, 1998, 2:06 AM EDT (06:06 UTC)
- Expired
- Jun 10, 1998, 5:05 AM EDT
- In force
- 3 hr
- Issued by
- NWS Wilmington, OH
- Area
- Whole counties
County Brown County, OH
The radar
The Cincinnati radar (KILN), 54 km from the middle of the area, began a volume at 06:08 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, 6.1 hours before the alert went out and 55 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
- 612 J/kg
- Mixed-layer CIN
- -32 J/kg
- Mixed-layer LCL
- 458 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 339 m²/s²
- 0-3 km storm-relative helicity
- 396 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 2.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KILN 100606 FFWILN OHC015-100905- BULLETIN FLOOD WARNING NATIONAL WEATHER SERVICE WILMINGTON OH 206 AM EDT WED JUN 10 1998 THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A * FLOOD WARNING FOR SMALL STREAMS FOR... BROWN COUNTY IN SOUTH CENTRAL OHIO. * EFFECTIVE UNTIL 505 AM EDT. *AT 155 AM...NATIONAL WEATHER SERVICE DOPPLAR RADAR INDICATED THAT BETWEEN 1 AND 2 INCHES OF RAIN HAD FALLEN ACROSS SOUTHERN BROWN COUNTY SINCE 1230 AM. THE THUNDERSTORM ACTIVITY WILL GRADUALLY DIMINISH THROUGH 330 AM. HOWEVER...AN ADDITIONAL QUARTER OF AN INCH OF RAIN CAN BE EXPECTED THROUGH 330 AM. * AT 145 AM...THE BROWN COUNTY DISPATCH REPORTED SOME WATER ON ROADS IN SOUTERN BROWN COUNTY. THE ROADS BEING AFFECTED INCLUDE THE OLD A AND P ROAD AS WELL AS GENERAL POINT ROAD. THIS ADDITIONAL RAIN WILL LIKELY COMPOUND THE FLOODING PROBLEMS THROUGH THE EARLY MORNING. REMEMBER NEVER DRIVE ACROSS A FLOODED ROADWAY SINCE THE WATER LEVEL MAY BE DEEPER THAN YO>U THINK. 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. INNES
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 9, 8:45 PM EDT, 5 hours 21 minutes earlier.
Area forecast discussion, Jun 9, 8:45 PM EDT, 5 hours 21 minutes before
FORECAST COORDINATION MESSAGE NATIONAL WEATHER SERVICE WILMINGTON OH 845 PM EDT TUE JUN 9 1998 CURRENT CONVECTIVE ACTIVITY AS DEPICTED BY SAT IMAGERY AND 88D RADARS SHOW TWO AREAS OF FOCUS. THE NORTHERN AREA STRETCHES ALONG 85H TROUGH FROM LK MI SEWRD INTO N-CTRL OH. THIS ACTIVITY ASSOCIATED WITH DEEP LAYER MOISTURE...ESPECIALLY BETWEEN SFC AND 70H. BEST CONVECTION ALONG THIS LINE BEING ASSISTED BY UPPER LEVEL JET AS DEPICTED IN Q-VECTOR AND FRONTOGENETIC ANALYSIS IN 850-700 MB LAYER. THIS ELEVATED CONVECTION PICKED UP WELL BY 12Z ETA MODEL AND IS EXPECTED TO SLIDE SLOWLY OFF TO THE EAST OVER NIGHT. THUS FEEL THE THREAT OF TSTRM ACTIVITY ACROSS NORTHERN HALF OF ILN FA FOR TONIGHT IS OVER. SHOWER ACTIVITY SHOULD BE RESTRICTED TO AREAS E OF CMH FOR THE REMAINDER OF NIGHT AS OBSERVED WITH ILN 88D. ACTIVITY ACROSS SRN IL APPEARS TO BE SFC BASED AND SHOULD REMAIN WELL S AND SW OF FA. THUS DO NOT SEE THREAT FOR TSTRM ACTIVITY REMAINDER OF FA OVERNIGHT. LOTS OF FOG CURRENTLY ACROSS FA DO TO QUASI-STATIONAIRY WRM FRNT. FEEL AT LEAST PATCHY DENSE FOG LIKELY ACROSS MOST OF FA TONIGHT. SHOULD INCLUDE DAY AND CMH. TEMPS LOOK GOOD. DISTEFANO
In the hours before
Local storm report, Jun 10, 12:40 AM EDT, 1 hour 26 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OHIO
1240 AM EDT WED JUN 10 1998
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1154 PM OH WIND DAMAGE
06/09/98 HAMILTON 70 - 80 MPH WINDS IN
WESTERN HILLS
1215 AM ALEXANDRIA KY 1 INCH HAIL
06/10/98 CAMPBELLThe office that day
Everything else NWS Wilmington, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 9, 11:50 PM EDT | Severe Thunderstorm Warning | ILN | Hamilton | 35 min |
| Jun 10, 12:43 AM EDT | Severe Thunderstorm Warning | ILN | Clermont | 32 min |
| Jun 10, 12:52 AM EDT | Tornado Warning | ILN | Clermont | 48 min |
| Jun 10, 1:05 AM EDT | Severe Thunderstorm Warning | ILN | Pike | 35 min |
| Jun 10, 1:18 AM EDT | Severe Thunderstorm Warning | ILN | Brown | 47 min |
| Jun 10, 2:50 AM EDT | Severe Thunderstorm Warning | ILN | Butler | 30 min |
| Jun 10, 3:01 AM EDT | Severe Thunderstorm Warning | ILN | Adams | 49 min |
| Jun 10, 3:44 AM EDT | Severe Thunderstorm Warning | ILN | Clermont | 26 min |
| Jun 10, 4:20 AM EDT | Severe Thunderstorm Warning | ILN | Brown | 30 min |
| Jun 10, 4:26 AM EDT | Severe Thunderstorm Warning | ILN | Adams | 64 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.