Alert archive / Ohio / Flash Flood Warnings in 2021
Flash Flood Warning 9, NWS Wilmington, OH
NWS Wilmington, OH issued this flash flood warning at Jun 18, 2021, 9:16 PM EDT for Clinton County, Greene County, Warren County, Ohio. It was in force for 3 hr. 4 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jun 18, 2021, 9:16 PM EDT (01:16 UTC)
- Expired
- Jun 19, 2021, 12:30 AM EDT
- In force
- 3 hr
- Issued by
- NWS Wilmington, OH
- Area
- Storm-based polygon
- Flood severity
- None
Counties Clinton County, OH, Greene County, OH, Warren County, OH
The radar
The Cincinnati radar (KILN), 19 km from the middle of the area, began a volume at 01:18 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 18, 10:00 PM EDT | FLASH FLOOD | 1 E Bellbrook, OH | SIGNIFICANT FLOODING ALONG LOWER HILLSIDE DRIVE IN BELLBROOK. TIME OF EVENT ESTIMATED. |
| Jun 18, 10:00 PM EDT | FLASH FLOOD | Spring Valley, OH | SEVERAL ROADS FLOODED IN SUGAR CREEK TOWNSHIP. ENGLE MILL, CORNSTALK, AND COOK ROADS ARE WASHED OUT AND IMPASSABLE. |
| Jun 18, 10:24 PM EDT | FLASH FLOOD | 5 Ne Waynesville, OH | REPORTS OF VEHICLES STUCK IN RISING WATER ON ROXANNA NEW BURLINGTON ROAD. FIRE DEPARTMENT IS ON SCENE. |
| Jun 19, 12:00 AM EDT | HEAVY RAIN 1.61 | Wilmington, OH | 24-HOUR RAINFALL. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 00:00Z, 1.3 hours before the alert went out and 20 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
- 2257 J/kg
- Mixed-layer CIN
- -56 J/kg
- Mixed-layer LCL
- 1236 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 214 m²/s²
- 0-3 km storm-relative helicity
- 240 m²/s²
- Significant tornado parameter
- 1.9
- Supercell composite
- 17.6
The text
As transmitted.
504
WGUS51 KILN 190116
FFWILN
OHC027-057-165-190430-
/O.NEW.KILN.FF.W.0009.210619T0116Z-210619T0430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Wilmington OH
916 PM EDT Fri Jun 18 2021
The National Weather Service in Wilmington has issued a
* Flash Flood Warning for...
Clinton County in southwestern Ohio...
Northeastern Warren County in southwestern Ohio...
Southwestern Greene County in west central Ohio...
* Until 1230 AM EDT.
* At 916 PM EDT, radar indicated thunderstorms producing heavy rain
across the warned area. Between 2 and 4 inches of rain have
fallen. Flash flooding is ongoing or expected to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
IMPACT...Flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other
drainage and low lying areas.
* Some locations that may experience flash flooding include...
Wilmington, Bellbrook, Waynesville, New Vienna, Harveysburg,
Spring Valley, Martinsville, Corwin, Port William, Centerville,
Interstate 71 at US Route 68, Oakland, Ogden, Lumberton,
Burtonville, Kingman, Cowan Lake State Park, Middleton Corner,
Paintersville and Cuba.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Move to higher ground now. Act quickly to protect your life.
To report flash flooding, go to our website at weather.gov/iln and
submit your report via social media, when you can do so safely.
&&
LAT...LON 3965 8411 3963 8382 3942 8359 3940 8359
3925 8383 3954 8408 3959 8411 3960 8411
3961 8411 3963 8411 3964 8411
FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...1-2 INCHES IN 1 HOUR
$$
ch1 follow-up statement
883
WGUS71 KILN 190435
FFSILN
Flash Flood Statement
National Weather Service Wilmington OH
1235 AM EDT Sat Jun 19 2021
OHC027-057-190445-
/O.EXP.KILN.FF.W.0009.000000T0000Z-210619T0430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Clinton OH-Greene OH-
1235 AM EDT Sat Jun 19 2021
...FLASH FLOOD WARNING HAS EXPIRED FOR CLINTON, NORTHEASTERN WARREN
AND SOUTHWESTERN GREENE COUNTIES...
Flash flooding has ended across the area, but flooding continues.
Therefore the flash flood warning has been replaced by a flood
warning. Please refer to that bulletin for more information.
A Flash Flood Watch remains in effect until 1200 PM EDT Saturday for
portions of Indiana...Northern Kentucky and Ohio.
LAT...LON 3965 8411 3963 8382 3942 8359 3940 8359
3925 8383 3954 8408 3959 8411 3960 8411
3961 8411 3963 8411 3964 8411
$$
BinauThe office that day
Everything else NWS Wilmington, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 18, 8:10 PM EDT | Severe Thunderstorm Warning | ILN | Butler, Hamilton | 50 min |
| Jun 18, 8:11 PM EDT | Flash Flood Warning | ILN | Greene, Montgomery | 3 hr |
| Jun 18, 8:11 PM EDT | Severe Thunderstorm Warning | ILN | Greene, Montgomery | 34 min |
| Jun 18, 8:14 PM EDT | Severe Thunderstorm Warning | ILN | Montgomery, Preble | 31 min |
| Jun 18, 8:18 PM EDT | Severe Thunderstorm Warning | ILN | Clinton, Greene, Warren | 42 min |
| Jun 18, 8:33 PM EDT | Tornado Warning | ILN | Greene, Montgomery, Warren | 27 min |
| Jun 18, 8:39 PM EDT | Severe Thunderstorm Warning | ILN | Butler, Hamilton, Montgomery, Preble, Warren | 36 min |
| Jun 18, 8:46 PM EDT | Tornado Warning | ILN | Butler, Montgomery, Warren | 29 min |
| Jun 18, 8:51 PM EDT | Severe Thunderstorm Warning | ILN | Clinton, Fayette, Highland | 39 min |
| Jun 18, 9:09 PM EDT | Severe Thunderstorm Warning | ILN | Adams, Brown, Clinton, Highland | 51 min |
| Jun 18, 9:11 PM EDT | Tornado Warning | ILN | Hamilton | 34 min |
| Jun 18, 9:15 PM EDT | Severe Thunderstorm Warning | ILN | Brown, Butler, Clermont, Clinton, Hamilton, Warren | 45 min |
| Jun 18, 9:26 PM EDT | Flash Flood Warning | ILN | Butler, Montgomery, Warren | 3 hr |
| Jun 18, 9:32 PM EDT | Flash Flood Warning | ILN | Clinton, Highland, Pike | 3 hr |
| Jun 18, 9:39 PM EDT | Areal Flood Advisory | ILN | Hamilton | 3 hr |
| Jun 18, 9:49 PM EDT | Severe Thunderstorm Warning | ILN | Adams, Brown, Clermont, Pike, Scioto | 56 min |
| Jun 18, 10:34 PM EDT | Severe Thunderstorm Warning | ILN | Adams, Scioto | 41 min |
| Jun 18, 10:58 PM EDT | Special Weather Statement | ILN | Butler, Warren | 32 min |
| Jun 18, 11:03 PM EDT | Severe Thunderstorm Warning | ILN | Butler, Clermont, Hamilton, Warren | 42 min |
| Jun 18, 11:15 PM EDT | Areal Flood Warning | ILN | Greene, Montgomery | 6 hr |
| Jun 18, 11:21 PM EDT | River Flood Warning | ILN | Greene, Warren | 20 hr |
| Jun 18, 11:43 PM EDT | Severe Thunderstorm Warning | ILN | Brown, Clermont, Clinton, Highland, Warren | 19 min |
| Jun 19, 12:01 AM EDT | Severe Thunderstorm Warning | ILN | Darke | 27 min |
| Jun 19, 12:12 AM EDT | Areal Flood Advisory | ILN | Warren | 3 hr |
| Jun 19, 12:19 AM EDT | Special Weather Statement | ILN | Miami | 26 min |
| Jun 19, 12:23 AM EDT | Special Weather Statement | ILN | Preble | 37 min |
| Jun 19, 12:33 AM EDT | Areal Flood Warning | ILN | Clinton, Greene, Warren | 6 hr |
| Jun 19, 1:12 AM EDT | Areal Flood Advisory | ILN | Darke, Preble | 2 hr |
| Jun 19, 1:55 AM EDT | Special Weather Statement | ILN | Montgomery | 35 min |
| Jun 19, 2:33 AM EDT | Areal Flood Advisory | ILN | Butler, Clinton, Darke, Greene, Montgomery, Preble and 1 more | 3 hr |
| Jun 19, 3:04 AM EDT | Flash Flood Warning | ILN | Clinton, Warren | 2 hr |
| Jun 19, 3:28 AM EDT | Areal Flood Advisory | ILN | Brown, Clinton, Highland | 3 hr |
| Jun 19, 6:39 AM EDT | Areal Flood Advisory | ILN | Hamilton | 19 min |
| Jun 19, 6:54 AM EDT | Flash Flood Warning | ILN | Hamilton | 13 hr |
| Jun 19, 8:12 AM EDT | River Flood Warning | ILN | Hamilton | 4 hr |
| Jun 19, 8:16 AM EDT | Areal Flood Advisory | ILN | Butler, Hamilton | 5 hr |
| Jun 19, 8:46 AM EDT | Special Weather Statement | ILN | Clermont | 44 min |
| Jun 19, 9:08 AM EDT | Areal Flood Advisory | ILN | Brown, Clermont, Highland | 3 hr |
| Jun 19, 9:28 AM EDT | River Flood Warning | ILN | Warren | 10 hr |
| Jun 19, 9:29 AM EDT | River Flood Warning | ILN | Clermont, Hamilton | 24 hr |
| Jun 19, 1:18 PM EDT | River Flood Advisory | ILN | Hamilton | 9 hr |
Nearby
Flash Flood Warnings in Ohio, 2021Every flash flood warning in 2021
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.