Alert archive / Ohio / Flash Flood Warnings in 2021
Flash Flood Warning 25, NWS Wilmington, OH
NWS Wilmington, OH issued this flash flood warning at Jul 29, 2021, 9:29 PM EDT for Lewis County, Mason County, Kentucky; Adams County, Brown County, Scioto County, Ohio. It was in force for 4 hr. 3 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
- Jul 29, 2021, 9:29 PM EDT (01:29 UTC)
- Expired
- Jul 30, 2021, 1:18 AM EDT
- In force
- 4 hr
- Issued by
- NWS Wilmington, OH
- Area
- Storm-based polygon
- Flood severity
- None
Counties Lewis County, KY, Mason County, KY, Adams County, OH, Brown County, OH, Scioto County, OH
The radar
The Jackson,KY radar (KJKL), 102 km from the middle of the area, began a volume at 01:32 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 |
|---|---|---|---|
| Jul 29, 10:15 PM EDT | FLASH FLOOD | Garrison, KY | MULTIPLE REPORTS OF FLOWING WATER OVER ROADWAYS CARRYING DEBRIS. WATER ON ROADWAYS WAS ESTIMATED TO BE 6-8 INCHES DEEP. |
| Jul 29, 10:50 PM EDT | HEAVY RAIN 3.02 | 3 S Ribolt, KY | |
| Jul 29, 11:15 PM EDT | HEAVY RAIN 4.78 | Kymeso Vanceburg 6w, KY | STORM TOTAL 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, 1.5 hours before the alert went out and 108 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
- 2113 J/kg
- Mixed-layer CIN
- -24 J/kg
- Mixed-layer LCL
- 691 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 137 m²/s²
- 0-3 km storm-relative helicity
- 139 m²/s²
- Significant tornado parameter
- 1.7
- Supercell composite
- 9.2
The text
As transmitted.
424
WGUS51 KILN 300129
FFWILN
KYC135-161-OHC001-015-145-300530-
/O.NEW.KILN.FF.W.0025.210730T0129Z-210730T0530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Wilmington OH
929 PM EDT Thu Jul 29 2021
The National Weather Service in Wilmington has issued a
* Flash Flood Warning for...
Lewis County in northeastern Kentucky...
East Central Mason County in northern Kentucky...
Southern Adams County in southwestern Ohio...
Southeastern Brown County in southwestern Ohio...
Southwestern Scioto County in southwestern Ohio...
* Until 130 AM EDT.
* At 929 PM EDT, radar indicated thunderstorms producing heavy rain
across the warned area. Between 1 and 2 inches of rain have
fallen. Additional rainfall amounts of 1 to 2 inches are possible
in the warned area. Flash flooding is ongoing or expected to begin
shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
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...
Maysville, West Union, Manchester, Vanceburg, Seaman, Rome,
Tollesboro, Camp Dix, Head of Grassy, Blue Creek, Decatur, Cherry
Fork, Concord, Carrs, Herron Hill, Charters, Ribolt, Glen Springs
and State Route 348 at State Route 125.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
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 3882 8384 3895 8353 3857 8309 3854 8312
3850 8319 3847 8319 3843 8324 3834 8323
3832 8328 3833 8331 3832 8336 3840 8341
3838 8345 3840 8347 3843 8358 3848 8358
3851 8360 3851 8363 3852 8363 3852 8366
FLASH FLOOD...RADAR INDICATED
$$
Novak3 follow-up statements
698
WGUS51 KILN 300202
FFWILN
KYC135-161-OHC001-015-145-300545-
/O.EXT.KILN.FF.W.0025.000000T0000Z-210730T0545Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Wilmington OH
1002 PM EDT Thu Jul 29 2021
The National Weather Service in Wilmington has extended the
* Flash Flood Warning for...
Lewis County in northeastern Kentucky...
East Central Mason County in northern Kentucky...
Southern Adams County in southwestern Ohio...
Southeastern Brown County in southwestern Ohio...
Southwestern Scioto County in southwestern Ohio...
* Until 145 AM EDT.
* At 1002 PM EDT, radar indicated thunderstorms producing heavy rain
across the warned area. Between 1 and 3 inches of rain have
fallen. Additional rainfall amounts of 0.5 to 3 inches are
possible in the warned area. Flash flooding is ongoing or expected
to begin shortly.
HAZARD...Life threatening flash flooding. Thunderstorms
producing flash flooding.
SOURCE...Radar.
IMPACT...Life threatening flash flooding of creeks and streams,
urban areas, highways, streets and underpasses.
* Some locations that may experience flash flooding include...
Maysville, West Union, Manchester, Vanceburg, Seaman, Rome,
Tollesboro, Camp Dix, Head of Grassy, Blue Creek, Decatur, Cherry
Fork, Concord, Carrs, Herron Hill, Charters, Ribolt, Glen Springs
and State Route 348 at State Route 125.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
To report flash flooding, go to our website at weather.gov/iln and
submit your report via social media, when you can do so safely.
&&
LAT...LON 3882 8384 3895 8353 3857 8309 3854 8312
3850 8319 3847 8319 3843 8324 3834 8323
3832 8328 3833 8331 3832 8336 3840 8341
3838 8345 3840 8347 3843 8358 3848 8358
3851 8360 3851 8363 3852 8363 3852 8366
FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
$$
Novak997
WGUS71 KILN 300300
FFSILN
Flash Flood Statement
National Weather Service Wilmington OH
1100 PM EDT Thu Jul 29 2021
KYC135-161-OHC001-015-145-300545-
/O.CON.KILN.FF.W.0025.000000T0000Z-210730T0545Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Lewis KY-Mason KY-Adams OH-Brown OH-Scioto OH-
1100 PM EDT Thu Jul 29 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 145 AM EDT FRIDAY FOR
LEWIS, EAST CENTRAL MASON, SOUTHERN ADAMS, SOUTHEASTERN BROWN AND
SOUTHWESTERN SCIOTO COUNTIES...
At 1100 PM EDT, local law enforcement reported flash flooding across
the warned area.
HAZARD...Life threatening flash flooding. Thunderstorms producing
flash flooding.
SOURCE...Law enforcement reported.
IMPACT...Life threatening flash flooding of creeks and streams,
urban areas, highways, streets and underpasses.
Some locations that may experience flash flooding include...
Maysville, West Union, Manchester, Vanceburg, Seaman, Rome,
Tollesboro, Camp Dix, Head of Grassy, Blue Creek, Decatur, Cherry
Fork, Concord, Carrs, Herron Hill, Charters, Ribolt, Glen Springs
and State Route 348 at State Route 125.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
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 3882 8384 3895 8353 3857 8309 3854 8312
3850 8319 3847 8319 3843 8324 3834 8323
3832 8328 3833 8331 3832 8336 3840 8341
3838 8345 3840 8347 3843 8358 3848 8358
3851 8360 3851 8363 3852 8363 3852 8366
FLASH FLOOD...OBSERVED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
$$
Novak070
WGUS71 KILN 300518
FFSILN
Flash Flood Statement
National Weather Service Wilmington OH
118 AM EDT Fri Jul 30 2021
KYC135-161-OHC001-015-145-300528-
/O.CAN.KILN.FF.W.0025.000000T0000Z-210730T0545Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Lewis KY-Mason KY-Adams OH-Brown OH-Scioto OH-
118 AM EDT Fri Jul 30 2021
...FLASH FLOOD WARNING FOR LEWIS, EAST CENTRAL MASON, SOUTHERN
ADAMS, SOUTHEASTERN BROWN AND SOUTHWESTERN SCIOTO COUNTIES HAS BEEN
REPLACED WITH A FLOOD WARNING...
The heavy rain has ended. Flash flooding has ended across the area,
but flooding continues. Therefore the flash flood warning has been
replaced by a flood warning. Please refer to that bulletin for more
information.
LAT...LON 3882 8384 3895 8353 3857 8309 3854 8312
3850 8319 3847 8319 3843 8324 3834 8323
3832 8328 3833 8331 3832 8336 3840 8341
3838 8345 3840 8347 3843 8358 3848 8358
3851 8360 3851 8363 3852 8363 3852 8366
$$
ConiglioThe office that day
Everything else NWS Wilmington, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 29, 8:11 PM EDT | Flash Flood Warning | ILN | Lewis | 4 hr |
| Jul 29, 8:36 PM EDT | Severe Thunderstorm Warning | ILN | Lewis | 28 min |
| Jul 29, 8:45 PM EDT | Areal Flood Advisory | ILN | Lewis | 3 hr |
| Jul 29, 9:42 PM EDT | Severe Thunderstorm Warning | ILN | Lewis | 48 min |
| Jul 29, 9:47 PM EDT | Areal Flood Advisory | ILN | Bracken, Mason | 3 hr |
| Jul 30, 1:18 AM EDT | Areal Flood Warning | ILN | Lewis, Mason | 7 hr |
| Jul 29, 8:04 PM EDT | Severe Thunderstorm Warning | ILN | Adams, Scioto | 41 min |
| Jul 29, 9:10 PM EDT | Flash Flood Warning | ILN | Adams, Highland, Pike, Ross, Scioto | 4 hr |
| Jul 30, 1:09 AM EDT | Areal Flood Warning | ILN | Pike, Scioto | 7 hr |
Nearby
Flash Flood Warnings in Ohio, 2021Flash Flood Warnings in Kentucky, 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.