Alert archive / Ohio / Flash Flood Warnings in 2021
Flash Flood Warning 1, NWS Wilmington, OH
NWS Wilmington, OH issued this flash flood warning at Jun 3, 2021, 2:21 PM EDT for Butler County, Preble 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 3, 2021, 2:21 PM EDT (18:21 UTC)
- Expired
- Jun 3, 2021, 5:30 PM EDT
- In force
- 3 hr
- Issued by
- NWS Wilmington, OH
- Area
- Storm-based polygon
- Flood severity
- None
Counties Butler County, OH, Preble County, OH
The radar
The Cincinnati radar (KILN), 71 km from the middle of the area, began a volume at 18:22 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 3, 2:50 PM EDT | FLASH FLOOD | 1 W Camden, OH | PORTIONS OF ROUTE 725 IMPASSABLE WITH MORE THAN 1 FOOT OF WATER RUNNING OVER THE ROADWAY. HIGH WATER ALSO SUGAR VALLEY DRIVE AND NEAR DILLMAN ROAD. |
| Jun 3, 4:15 PM EDT | FLOOD | College Corner, OH | STANDING WATER IN YARDS, STREETS AND ALLEYS, ABOUT 4 TO 5 INCHES DEEP. REPORT FROM TWITTER. |
| Jun 3, 4:20 PM EDT | FLASH FLOOD | Camden, OH | OFFICERS CALLED TO EXTRACT PEOPLE FROM THEIR HOMES |
| Jun 3, 5:24 PM EDT | FLASH FLOOD | College Corner, OH | OFFICERS RESPONDING TO EXTRACT PEOPLE FROM THEIR HOMES ON MAIN STREET. |
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 12:00Z, 6.4 hours before the alert went out and 73 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
- 455 J/kg
- Mixed-layer CIN
- -8 J/kg
- Mixed-layer LCL
- 492 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 46 m²/s²
- 0-3 km storm-relative helicity
- 73 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.6
The text
As transmitted.
871
WGUS51 KILN 031821
FFWILN
OHC017-135-032130-
/O.NEW.KILN.FF.W.0001.210603T1821Z-210603T2130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Wilmington OH
221 PM EDT Thu Jun 3 2021
The National Weather Service in Wilmington has issued a
* Flash Flood Warning for...
Northwestern Butler County in southwestern Ohio...
Southern Preble County in west central Ohio...
* Until 530 PM EDT.
* At 221 PM EDT, radar indicated thunderstorms producing heavy rain
across the warned area. Between 1.5 and 2.5 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...
Oxford, Camden, Gratis, College Corner, Somerville, West Elkton,
Jacksonburg, Muttonville, Lake Lakengren, Morning Sun, Sugar
Valley, Wheatville, Hueston Woods State Park and Fairhaven.
While little to no rain has occurred in northwest Butler County,
runoff from the heavy rain in southern Preble county will flow
south, including along Sevenmile Creek. Additional rainfall amounts
of 1 to 2 inches are possible in the warned area.
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 3957 8481 3970 8481 3971 8457 3963 8448
3961 8448 3960 8448 3959 8448 3951 8448
3953 8481
FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...1-2 INCHES IN 2 HOURS
$$2 follow-up statements
079
WGUS71 KILN 031939
FFSILN
Flash Flood Statement
National Weather Service Wilmington OH
339 PM EDT Thu Jun 3 2021
OHC017-135-032130-
/O.CON.KILN.FF.W.0001.000000T0000Z-210603T2130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Butler OH-Preble OH-
339 PM EDT Thu Jun 3 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 530 PM EDT THIS
AFTERNOON FOR NORTHWESTERN BUTLER AND SOUTHERN PREBLE COUNTIES...
At 339 PM EDT, local law enforcement reported flash flooding on
Highway 725 west of Camden. Between 2 and 3 inches of rain have
fallen. Runoff from this heavy rain will continue to result in flash
flooding.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Law enforcement.
IMPACT...Flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other
drainage and low lying areas.
Some locations that may experience flash flooding include...
Oxford, Camden, Gratis, College Corner, Somerville, West Elkton,
Jacksonburg, Muttonville, Morning Sun, Lake Lakengren, Hueston
Woods State Park and Fairhaven.
Additional rainfall amounts up to 1 inch is possible in the warned
area. Most of this rain will occur south of where the heaviest rain
fell earlier.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Move to higher ground now. Act quickly to protect your life.
To report flash flooding, go to our website at weather.gov/iln and
submit your report via social media, when you can do so safely.
&&
LAT...LON 3957 8481 3967 8481 3968 8458 3959 8448
3951 8448 3953 8481
FLASH FLOOD...OBSERVED
EXPECTED RAINFALL...1 INCH IN 1 HOUR
$$863
WGUS71 KILN 032127
FFSILN
Flash Flood Statement
National Weather Service Wilmington OH
527 PM EDT Thu Jun 3 2021
OHC017-135-032137-
/O.EXP.KILN.FF.W.0001.000000T0000Z-210603T2130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Butler OH-Preble OH-
527 PM EDT Thu Jun 3 2021
...FLASH FLOOD WARNING AT 530 PM EDT THIS AFTERNOON FOR NORTHWESTERN
BUTLER AND SOUTHERN PREBLE COUNTIES HAS BEEN REPLACED WITH A FLOOD
WARNING...
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.
LAT...LON 3957 8481 3967 8481 3968 8458 3959 8448
3951 8448 3953 8481
$$The office that day
Everything else NWS Wilmington, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 3, 3:48 PM EDT | Areal Flood Advisory | ILN | Butler | 102 min |
| Jun 3, 4:49 PM EDT | Special Weather Statement | ILN | Pike | 26 min |
| Jun 3, 4:51 PM EDT | Special Weather Statement | ILN | Ross | 24 min |
| Jun 3, 5:17 PM EDT | Areal Flood Advisory | ILN | Union | 117 min |
| Jun 3, 5:27 PM EDT | Areal Flood Warning | ILN | Butler, Preble | 2 hr |
| Jun 3, 7:14 PM EDT | Flash Flood Warning | ILN | Union | 76 min |
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.