Alert archive / Ohio / Flash Flood Warnings in 2018

Flash Flood Warning 4, NWS Wilmington, OH

February 24, 2018Brown County, Clermont County, Ohio; Bracken County, Pendleton County, Kentucky

NWS Wilmington, OH issued this flash flood warning at Feb 24, 2018, 8:36 PM EST for Brown County, Clermont County, Ohio; Bracken County, Pendleton County, Kentucky. It was in force for 8 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Feb 24, 2018, 8:36 PM EST (01:36 UTC)
Expired: Feb 25, 2018, 4:30 AM EST
In force: 8 hr
Issued by: NWS Wilmington, OH
Area: Storm-based polygon
Flood severity: None

Counties Bracken County, KY, Pendleton County, KY, Brown County, OH, Clermont County, OH

The radar

The Cincinnati radar (KILN), 72 km from the middle of the area, began a volume at 01:39 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 00:00Z, 1.6 hours before the alert went out and 74 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 572 m above ground
0-6 km bulk shear: 62 kt
0-1 km storm-relative helicity: 227 m²/s²
0-3 km storm-relative helicity: 266 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

719 
WGUS51 KILN 250136
FFWILN
KYC023-191-OHC015-025-250630-
/O.NEW.KILN.FF.W.0004.180225T0136Z-180225T0630Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Wilmington OH
836 PM EST SAT FEB 24 2018

The National Weather Service in Wilmington has issued a

* Flash Flood Warning for...
  Bracken County in northern Kentucky...
  Pendleton County in northern Kentucky...
  Clermont County in southwestern Ohio...
  Brown County in southwestern Ohio...

* Until 130 AM EST.

* At 835 PM EST, radar indicated that heavy rain had fallen across
  the warned area. Up to one inch of rain has already fallen. Heavy 
  rain continues to fall with another 1 to 2 inches possible. Runoff 
  from this excessive rainfall will cause flash flooding to occur.

* Some locations that will experience flooding include...
  Loveland, Milford, Georgetown, Falmouth, Amelia, Mount Orab,
  Bethel, New Richmond, Williamsburg, Batavia, Augusta, Sardinia,
  Felicity, Brooksville, Butler, Withamsville, Camp Dennison, Morgan,
  Woodville and Owensville.

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 3854 8447 3879 8453 3881 8440 3887 8423
      3902 8432 3916 8430 3920 8428 3922 8432
      3927 8426 3925 8387 3902 8387 3902 8375
      3860 8399 3861 8408 3855 8414 3855 8421
      3858 8421 3856 8441

$$

AR

2 follow-up statements

215 
WGUS51 KILN 250328
FFWILN
KYC023-191-OHC015-025-250930-
/O.EXT.KILN.FF.W.0004.000000T0000Z-180225T0930Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Wilmington OH
1028 PM EST SAT FEB 24 2018

The National Weather Service in Wilmington has extended the

* Flash Flood Warning for...
  Bracken County in northern Kentucky...
  Pendleton County in northern Kentucky...
  Clermont County in southwestern Ohio...
  Brown County in southwestern Ohio...

* Until 430 AM EST Sunday.

* At 1027 PM EST, radar indicated that heavy rain continues to fall 
  across the warning area. Rain and embedded thunderstorms will 
  continue into the overnight hours. This may result in another 1 to 
  2 inches of rain on top of what has already fallen. Runoff from 
  this excessive rainfall will cause flash flooding to occur.

* Some locations that will experience flooding include...
  Loveland, Milford, Georgetown, Falmouth, Amelia, Mount Orab,
  Bethel, New Richmond, Williamsburg, Batavia, Augusta, Sardinia,
  Felicity, Brooksville, Butler, Withamsville, Camp Dennison, Morgan,
  Woodville and Owensville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Move to higher ground now. Act quickly to protect your life.

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

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 3854 8447 3879 8453 3881 8440 3887 8423
      3902 8432 3916 8430 3920 8428 3922 8432
      3927 8426 3925 8387 3902 8387 3902 8375
      3860 8399 3861 8408 3855 8414 3855 8421
      3858 8421 3856 8441

$$

Hickman

039 
WGUS71 KILN 250921 RRA
FFSILN

Flash Flood Statement
National Weather Service Wilmington OH
421 AM EST SUN FEB 25 2018

KYC023-191-OHC015-025-250931-
/O.EXP.KILN.FF.W.0004.000000T0000Z-180225T0930Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Bracken KY-Pendleton KY-Clermont OH-Brown OH-
421 AM EST SUN FEB 25 2018

...THE FLASH FLOOD WARNING FOR BRACKEN...PENDLETON...CLERMONT AND
BROWN COUNTIES WILL EXPIRE AT 430 AM EST...

The heavy rain has ended and flash flooding is no longer expected to 
pose a threat. Lingering high water will remain a threat through the 
morning hours today. 

Please report previous flash flooding to the National Weather Service
by going to our website at weather.gov/iln and submitting your report
via social media.

LAT...LON 3854 8447 3879 8453 3881 8440 3887 8423
      3902 8432 3916 8430 3920 8428 3922 8432
      3927 8426 3925 8387 3902 8387 3902 8375
      3860 8399 3861 8408 3855 8414 3855 8421
      3858 8421 3856 8441

$$

Franks

The office that day

Everything else NWS Wilmington, OH issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Feb 24, 8:00 PM EST	Areal Flood Warning	ILN	Butler, Hamilton	18 hr
Feb 24, 8:04 PM EST	Flash Flood Warning	ILN	Hamilton	8 hr
Feb 24, 8:54 PM EST	Areal Flood Advisory	ILN	Clinton, Fayette, Greene, Highland, Montgomery, Warren	5 hr
Feb 24, 9:45 PM EST	Areal Flood Advisory	ILN	Butler, Montgomery, Preble	7 hr
Feb 24, 10:18 PM EST	Flash Flood Warning	ILN	Warren	6 hr
Feb 24, 11:48 PM EST	Areal Flood Advisory	ILN	Champaign, Clark, Delaware, Franklin, Licking, Madison and 1 more	18 hr
Feb 24, 11:53 PM EST	Special Weather Statement	ILN	Clermont	37 min
Feb 25, 12:03 AM EST	Tornado Warning	ILN	Brown, Clermont	13 min
Feb 25, 12:07 AM EST	Special Weather Statement	ILN	Brown	23 min
Feb 25, 12:36 AM EST	Areal Flood Advisory	ILN	Adams, Brown	4 hr
Feb 25, 12:38 AM EST	Special Weather Statement	ILN	Adams	37 min
Feb 25, 12:43 AM EST	Special Weather Statement	ILN	Fayette, Pickaway, Ross	32 min
Feb 25, 12:59 AM EST	River Flood Advisory	ILN	Hamilton	36 hr
Feb 25, 1:01 AM EST	Special Weather Statement	ILN	Scioto	29 min
Feb 25, 1:23 AM EST	Special Weather Statement	ILN	Scioto	37 min
Feb 25, 1:36 AM EST	Areal Flood Advisory	ILN	Clinton, Fayette, Greene, Highland, Montgomery	3 hr
Feb 25, 2:12 AM EST	River Flood Advisory	ILN	Delaware, Franklin	11 hr
Feb 25, 2:23 AM EST	River Flood Warning	ILN	Champaign, Clark, Greene	12 hr
Feb 25, 3:13 AM EST	River Flood Warning	ILN	Licking	10 hr
Feb 25, 3:57 AM EST	River Flood Warning	ILN	Montgomery	26 hr
Feb 25, 4:15 AM EST	Areal Flood Advisory	ILN	Hamilton	6 hr
Feb 25, 4:18 AM EST	Areal Flood Advisory	ILN	Brown, Clermont	6 hr
Feb 25, 4:29 AM EST	Areal Flood Advisory	ILN	Butler, Montgomery, Preble	6 hr
Feb 25, 4:33 AM EST	Areal Flood Advisory	ILN	Adams, Brown, Highland	6 hr
Feb 25, 4:40 AM EST	Areal Flood Advisory	ILN	Clinton, Fayette, Greene, Highland, Montgomery, Warren	6 hr
Feb 25, 5:18 AM EST	River Flood Warning	ILN	Warren	24 hr
Feb 25, 6:15 AM EST	River Flood Warning	ILN	Licking	25 hr
Feb 25, 6:36 AM EST	Areal Flood Warning	ILN	Butler, Hamilton	12 hr
Feb 25, 10:09 AM EST	Areal Flood Advisory	ILN	Hamilton	4 hr
Feb 25, 10:47 AM EST	Areal Flood Advisory	ILN	Brown, Clermont, Clinton, Fayette, Greene, Highland and 2 more	7 hr
Feb 24, 7:24 PM EST	Flash Flood Warning	ILN	Carroll, Gallatin, Grant, Owen	9 hr
Feb 24, 9:55 PM EST	Special Weather Statement	ILN	Carroll, Gallatin	35 min
Feb 24, 10:35 PM EST	Special Weather Statement	ILN	Boone, Kenton	25 min
Feb 24, 11:15 PM EST	Special Weather Statement	ILN	Gallatin, Grant, Owen	30 min
Feb 24, 11:32 PM EST	Special Weather Statement	ILN	Campbell, Grant, Kenton, Pendleton	28 min
Feb 24, 11:45 PM EST	Tornado Warning	ILN	Pendleton	14 min
Feb 25, 12:14 AM EST	Special Weather Statement	ILN	Mason, Robertson	31 min
Feb 25, 4:13 AM EST	Areal Flood Advisory	ILN	Carroll, Gallatin, Grant, Owen	6 hr

Nearby

Flash Flood Warnings in Ohio, 2018 Flash Flood Warnings in Kentucky, 2018 Every flash flood warning in 2018

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.