Alert archive / Indiana / Flash Flood Warnings in 2021
Flash Flood Warning 33, NWS Wilmington, OH
NWS Wilmington, OH issued this flash flood warning at Dec 6, 2021, 4:15 AM EST for Dearborn County, Franklin County, Ripley County, Indiana; Butler County, Hamilton County, Ohio. It was in force for 3 hr. 1 report 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
- Dec 6, 2021, 4:15 AM EST (09:15 UTC)
- Expired
- Dec 6, 2021, 7:42 AM EST
- In force
- 3 hr
- Issued by
- NWS Wilmington, OH
- Area
- Storm-based polygon
- Flood severity
- None
Counties Dearborn County, IN, Franklin County, IN, Ripley County, IN, Butler County, OH, Hamilton County, OH
The radar
The Cincinnati radar (KILN), 102 km from the middle of the area, began a volume at 09:19 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 |
|---|---|---|---|
| Dec 6, 5:55 AM EST | FLASH FLOOD | 4 N Sunman, IN | OCCUPIED VEHICLE TRAPPED IN FLOOD WATERS. ST. MARYS ROAD NORTH OF SUNMAN. |
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, 9.3 hours before the alert went out and 104 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 934 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 432 m²/s²
- 0-3 km storm-relative helicity
- 509 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
640
WGUS51 KILN 060915
FFWILN
INC029-047-137-OHC017-061-061300-
/O.NEW.KILN.FF.W.0033.211206T0915Z-211206T1300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Wilmington OH
415 AM EST Mon Dec 6 2021
The National Weather Service in Wilmington has issued a
* Flash Flood Warning for...
Northern Dearborn County in southeastern Indiana...
Southern Franklin County in southeastern Indiana...
Northern Ripley County in southeastern Indiana...
Southwestern Butler County in southwestern Ohio...
Northwestern Hamilton County in southwestern Ohio...
* Until 800 AM EST.
* At 415 AM EST, radar indicated heavy rain across the warned area.
Between 2 and 3 inches of rain have fallen. The expected rainfall
rate is 0.5 to 1 inch in 2 hours. Flash flooding is ongoing or
expected to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar and automated gages.
IMPACT...Flash flooding of small creeks and streams, urban
areas, highways, streets and underpasses as well as
other poor drainage and low-lying areas.
* Some locations that may experience flash flooding include...
Hamilton, Fairfield, Harrison, Batesville, Bright, Ross,
Versailles, Milan, Osgood, Seven Mile, Taylor Creek, Blue Jay, Dry
Ridge, Dunlap, Williamsdale, Logan, Manchester, Reily, New Haven
and New Miami.
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 3931 8522 3950 8451 3935 8445 3925 8467
3902 8544 3920 8544
FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL RATE...0.5-1 INCH IN 2 HOURS
$$
AR1 follow-up statement
722
WGUS71 KILN 061242
FFSILN
Flash Flood Statement
National Weather Service Wilmington OH
742 AM EST Mon Dec 6 2021
INC029-047-137-OHC017-061-061252-
/O.CAN.KILN.FF.W.0033.000000T0000Z-211206T1300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Dearborn IN-Franklin IN-Ripley IN-Butler OH-Hamilton OH-
742 AM EST Mon Dec 6 2021
...FLASH FLOOD WARNING IS CANCELLED FOR NORTHERN DEARBORN, SOUTHERN
FRANKLIN IN AND NORTHERN RIPLEY COUNTIES IN SOUTHEASTERN INDIANA AND
SOUTHWESTERN BUTLER AND NORTHWESTERN HAMILTON COUNTIES IN
SOUTHWESTERN OHIO...
Flood waters are receding. The heavy rain has ended. Flooding is no
longer expected to pose a threat. Please continue to heed remaining
road closures.
LAT...LON 3931 8522 3950 8451 3935 8445 3925 8467
3902 8544 3920 8544
$$
JDRThe office that day
Everything else NWS Wilmington, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 6, 12:14 AM EST | Special Weather Statement | ILN | Ripley | 31 min |
| Dec 6, 12:31 AM EST | Areal Flood Advisory | ILN | Ripley | 3 hr |
| Dec 6, 1:04 AM EST | Special Weather Statement | ILN | Ripley | 26 min |
| Dec 6, 2:14 AM EST | Areal Flood Advisory | ILN | Dearborn, Franklin, Ripley | 6 hr |
| Dec 6, 12:18 AM EST | Special Weather Statement | ILN | Butler | 27 min |
| Dec 6, 12:46 AM EST | Special Weather Statement | ILN | Butler | 14 min |
| Dec 6, 3:50 AM EST | Areal Flood Advisory | ILN | Clinton, Greene, Montgomery, Warren | 4 hr |
| Dec 6, 4:07 AM EST | Special Weather Statement | ILN | Brown, Clermont | 38 min |
| Dec 6, 4:44 AM EST | Special Weather Statement | ILN | Adams, Highland, Pike | 31 min |
| Dec 6, 5:17 AM EST | Severe Thunderstorm Warning | ILN | Adams | 28 min |
| Dec 6, 5:45 AM EST | Severe Thunderstorm Warning | ILN | Adams, Scioto | 17 min |
| Dec 6, 6:05 AM EST | Special Weather Statement | ILN | Scioto | 25 min |
Nearby
Flash Flood Warnings in Indiana, 2021Flash 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.