Alert archive / Ohio / Flash Flood Warnings in 1998
Flash Flood Warning 83, NWS Wilmington, OH
NWS Wilmington, OH issued this flash flood warning at Jun 16, 1998, 12:33 PM EDT for Clermont 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
- Jun 16, 1998, 12:33 PM EDT (16:33 UTC)
- Expired
- Jun 16, 1998, 2:35 PM EDT
- In force
- 2 hr
- Issued by
- NWS Wilmington, OH
- Area
- Whole counties
County Clermont County, OH
The radar
The Cincinnati radar (KILN), 50 km from the middle of the area, began a volume at 16:34 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 12:00Z, 4.6 hours before the alert went out and 52 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
- 353 J/kg
- Mixed-layer CIN
- -9 J/kg
- Mixed-layer LCL
- 521 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 53 m²/s²
- 0-3 km storm-relative helicity
- 39 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KILN 161634 FFWILN OHC025-161835- BULLETIN FLOOD WARNING NATIONAL WEATHER SERVICE WILMINGTON OH 1233 PM EDT TUE JUN 16 1998 THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A * FLOOD WARNING FOR URBAN AREAS AND SMALL STREAMS FOR... CLERMONT COUNTY IN SOUTHWESTERN OHIO. * EFFECTIVE UNTIL 235 PM EDT. *THUNDERSTORMS PRODUCING VERY HEAVY RAIN WILL MOVE THROUGH THE COUNTY THROUGH 130 PM AND WILL PRODUCE BETWEEN 1.50 TO 2.00 INCHES OF RAIN AN HOUR. * 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. .END/SITES
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 16, 10:02 AM EDT, 2 hours 31 minutes earlier.
Area forecast discussion, Jun 16, 10:02 AM EDT, 2 hours 31 minutes before
FORECAST COORDINATION MESSAGE NATIONAL WEATHER SERVICE WILMINGTON OH 1002 AM EDT TUE JUN 16 1998 VORT MAX CURRENTLY OVER SOUTHERN IL IS PROGGED TO MOVE IN SOUTHERN OHIO BY AFTERNOON. MODIFIED ILN SOUNDING CONTINUED TO SHOW AN UNSTABLE ATMOSPHERE OVER THE REGION...WITH LI TO -8 AND CAPES OVER 2400 J/KG. ILN RADAR SHOWING STORMS FIRING IN SOUTHEAST IN...IN THE PVA AND MOVING ACROSS THE MIAMI VALLEY. THIS AREA ALREADY SOAKED FROM THE RAINS OF THE PAST SEVERAL DAYS. FFA IN THIS REGION A TOUGH CALL...FFG FROM YESTERDAY WAS AROUND THREE QUARTERS OF AN INCH...WITH PRECIPIATABLE WATERS AT 1.26 AND MORE SHOWERS EXPECTED THIS AFTERNOON IT WILL BE CLOSE. UPPER RIDGE BUILDS OVER CWA TONIGHT INTO WEDNESDAY...BRINGING TEMPORARY BREAK FROM THE WET WEATHER. LOOKED OVER CURRENT FORECAST AND IN GENERAL IT IS LOOKING GOOD. SITES
In the hours before
Special weather statement, Jun 16, 12:15 PM EDT, 18 minutes before
OHZ054>056-062>065-071>074-078>082-088-KYZ093-096>100-162200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WILMINGTON OH 1215 PM EDT TUE JUN 16 1998 ...SEVERE THUNDERSTORM WATCH FOR EXTREME EASTERN PORTIONS OF THE MIAMI VALLEY...GREATER CINCINNATI TRI-STATE AREA...CENTRAL AND SOUTH-CENTRAL OHIO ALONG WITH NORTHEAST KENTUCKY UNTIL 6 PM... AN EXTREMELY UNSTABLE ATMOSPHERE INTERACTING WITH AN UPPER LEVEL DISTURBANCE WILL PRODUCE STRONG TO SEVERE THUNDERSTORMS THIS AFTERNOON. SITES
Special weather statement, Jun 16, 12:15 PM EDT, 18 minutes before
OHZ054>056-062>065-071>074-078>082-088-KYZ093-096>100-162200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WILMINGTON OH 1215 PM EDT TUE JUN 16 1998 ...SEVERE THUNDERSTORM WATCH FOR EXTREME EASTERN PORTIONS OF THE MIAMI VALLEY...GREATER CINCINNATI TRI-STATE AREA...CENTRAL AND SOUTH-CENTRAL OHIO ALONG WITH NORTHEAST KENTUCKY UNTIL 6 PM... AN EXTREMELY UNSTABLE ATMOSPHERE INTERACTING WITH AN UPPER LEVEL DISTURBANCE WILL PRODUCE STRONG TO SEVERE THUNDERSTORMS THIS AFTERNOON. SITES
The office that day
Everything else NWS Wilmington, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 15, 8:25 PM EDT | Flash Flood Warning | ILN | Adams, Scioto | 2 hr |
| Jun 15, 9:36 PM EDT | Flash Flood Warning | ILN | Union | 119 min |
| Jun 16, 11:20 AM EDT | Flash Flood Warning | ILN | Hamilton | 90 min |
| Jun 16, 11:26 AM EDT | Flash Flood Warning | ILN | Butler | 94 min |
| Jun 16, 11:32 AM EDT | Severe Thunderstorm Warning | ILN | Butler | 33 min |
| Jun 16, 11:48 AM EDT | Severe Thunderstorm Warning | ILN | Warren | 47 min |
| Jun 16, 11:56 AM EDT | Severe Thunderstorm Warning | ILN | Hamilton | 29 min |
| Jun 16, 12:12 PM EDT | Severe Thunderstorm Warning | ILN | Clinton | 48 min |
| Jun 16, 12:21 PM EDT | Severe Thunderstorm Warning | ILN | Clermont, Hamilton | 34 min |
| Jun 16, 12:37 PM EDT | Severe Thunderstorm Warning | ILN | Fayette, Highland | 48 min |
| Jun 16, 12:39 PM EDT | Severe Thunderstorm Warning | ILN | Greene | 21 min |
| Jun 16, 12:52 PM EDT | Severe Thunderstorm Warning | ILN | Adams | 33 min |
| Jun 16, 12:53 PM EDT | Severe Thunderstorm Warning | ILN | Brown | 42 min |
| Jun 16, 1:05 PM EDT | Severe Thunderstorm Warning | ILN | Pickaway | 50 min |
| Jun 16, 1:07 PM EDT | Severe Thunderstorm Warning | ILN | Scioto | 53 min |
| Jun 16, 1:25 PM EDT | Severe Thunderstorm Warning | ILN | Franklin | 65 min |
| Jun 16, 1:35 PM EDT | Severe Thunderstorm Warning | ILN | Fairfield | 60 min |
| Jun 16, 1:56 PM EDT | Severe Thunderstorm Warning | ILN | Pike, Scioto | 49 min |
| Jun 16, 2:06 PM EDT | Severe Thunderstorm Warning | ILN | Delaware | 49 min |
| Jun 16, 2:07 PM EDT | Severe Thunderstorm Warning | ILN | Licking | 48 min |
| Jun 16, 2:21 PM EDT | Flash Flood Warning | ILN | Scioto | 3 hr |
| Jun 16, 4:12 PM EDT | Severe Thunderstorm Warning | ILN | Scioto | 38 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.