Alert archive / Ohio / Flash Flood Warnings in 2017

Flash Flood Warning 3, NWS Wilmington, OH

March 1, 20174 counties in Ohio; Campbell County, Kenton County, Kentucky

NWS Wilmington, OH issued this flash flood warning at Mar 1, 2017, 1:59 AM EST for 4 counties in Ohio; Campbell County, Kenton County, Kentucky. It was in force for 2 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: Mar 1, 2017, 1:59 AM EST (06:59 UTC)
Expired: Mar 1, 2017, 4:00 AM EST
In force: 2 hr
Issued by: NWS Wilmington, OH
Area: Storm-based polygon
Flood severity: None

Counties Campbell County, KY, Kenton County, KY, Butler County, OH, Clermont County, OH, Hamilton County, OH, Warren County, OH

The radar

The Cincinnati radar (KILN), 57 km from the middle of the area, began a volume at 07:00 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, 7.0 hours before the alert went out and 59 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: 126 J/kg
Mixed-layer CIN: -51 J/kg
Mixed-layer LCL: 490 m above ground
0-6 km bulk shear: 54 kt
0-1 km storm-relative helicity: 416 m²/s²
0-3 km storm-relative helicity: 441 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.7

Open this sounding in Storm Lab

The text

As transmitted.

608 
WGUS51 KILN 010659
FFWILN
KYC037-117-OHC017-025-061-165-010900-
/O.NEW.KILN.FF.W.0003.170301T0659Z-170301T0900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Wilmington OH
159 AM EST WED MAR 1 2017

The National Weather Service in Wilmington has issued a

* Flash Flood Warning for...
  Northern Kenton County in northern Kentucky...
  Northern Campbell County in northern Kentucky...
  Eastern Hamilton County in southwestern Ohio...
  Southeastern Butler County in southwestern Ohio...
  Northwestern Clermont County in southwestern Ohio...
  Southwestern Warren County in southwestern Ohio...

* Until 400 AM EST.

* At 158 AM EST, radar indicated that thunderstorms had produced
  heavy rain across the warned area. Up to two inches of rain have 
  already fallen. Heavy rain continues to fall with another one to 
  two inches possible. Runoff from this excessive rainfall will 
  cause flash flooding to occur.

* Some locations that will experience flooding include...
  Cincinnati, Covington, Mason, Independence, Lebanon, Erlanger, Fort
  Thomas, Newport, Sharonville, Monroe, Blue Ash, Loveland, Reading,
  Montgomery, Madeira, Edgewood, Alexandria, Fort Mitchell, Highland
  Heights and Milford.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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 3896 8452 3905 8458 3912 8442 3929 8443
      3942 8446 3943 8411 3905 8410

$$

Haines

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 28, 11:16 PM EST	Special Weather Statement	ILN	Darke	29 min
Feb 28, 11:43 PM EST	Special Weather Statement	ILN	Shelby	32 min
Feb 28, 11:54 PM EST	Special Weather Statement	ILN	Preble	36 min
Mar 1, 12:04 AM EST	Special Weather Statement	ILN	Logan	41 min
Mar 1, 12:41 AM EST	Special Weather Statement	ILN	Hamilton	49 min
Mar 1, 12:55 AM EST	Areal Flood Advisory	ILN	Darke, Montgomery, Preble	95 min
Mar 1, 1:16 AM EST	Special Weather Statement	ILN	Clermont, Warren	29 min
Mar 1, 1:23 AM EST	Special Weather Statement	ILN	Butler, Warren	37 min
Mar 1, 1:28 AM EST	Severe Thunderstorm Warning	ILN	Butler, Hamilton, Warren	16 min
Mar 1, 1:32 AM EST	Flash Flood Warning	ILN	Butler, Hamilton	8 hr
Mar 1, 1:32 AM EST	Special Weather Statement	ILN	Hamilton	43 min
Mar 1, 1:33 AM EST	Special Weather Statement	ILN	Clinton, Highland	27 min
Mar 1, 1:55 AM EST	Special Weather Statement	ILN	Clermont, Hamilton, Warren	35 min
Mar 1, 2:10 AM EST	Special Weather Statement	ILN	Brown	35 min
Mar 1, 2:11 AM EST	Special Weather Statement	ILN	Clinton, Fayette	34 min
Mar 1, 2:21 AM EST	Special Weather Statement	ILN	Hamilton	24 min
Mar 1, 2:22 AM EST	Flash Flood Warning	ILN	Brown, Clermont, Clinton, Fayette, Highland, Warren	8 hr
Mar 1, 2:34 AM EST	Tornado Warning	ILN	Fayette, Highland, Ross	26 min
Mar 1, 2:50 AM EST	Special Weather Statement	ILN	Fairfield, Hocking, Pickaway, Ross	40 min
Mar 1, 2:58 AM EST	Areal Flood Warning	ILN	Butler, Hamilton	18 hr
Mar 1, 3:04 AM EST	Severe Thunderstorm Warning	ILN	Fairfield, Hocking, Pickaway, Ross	41 min
Mar 1, 3:09 AM EST	Tornado Warning	ILN	Fairfield, Hocking	23 min
Mar 1, 3:18 AM EST	Flash Flood Warning	ILN	Fayette, Highland, Hocking, Pickaway, Pike, Ross	6 hr
Mar 1, 3:36 AM EST	Tornado Warning	ILN	Clermont	24 min
Mar 1, 3:42 AM EST	Areal Flood Advisory	ILN	Delaware, Fairfield, Franklin, Licking	4 hr
Mar 1, 3:48 AM EST	Special Weather Statement	ILN	Clinton, Fayette, Highland	27 min
Mar 1, 3:55 AM EST	Flash Flood Warning	ILN	Butler, Clermont, Hamilton, Warren	6 hr
Mar 1, 4:03 AM EST	Special Weather Statement	ILN	Auglaize, Darke, Mercer, Shelby	27 min
Mar 1, 4:05 AM EST	Special Weather Statement	ILN	Highland	25 min
Mar 1, 4:17 AM EST	Special Weather Statement	ILN	Preble	43 min
Mar 1, 4:20 AM EST	Severe Thunderstorm Warning	ILN	Adams, Scioto	40 min
Mar 1, 4:24 AM EST	Special Weather Statement	ILN	Hardin	36 min
Mar 1, 4:27 AM EST	Areal Flood Advisory	ILN	Fairfield, Fayette, Franklin, Hocking, Pickaway	5 hr
Mar 1, 4:30 AM EST	Special Weather Statement	ILN	Pike, Ross	30 min
Mar 1, 4:31 AM EST	Special Weather Statement	ILN	Champaign, Logan, Miami, Shelby, Union	44 min
Mar 1, 4:33 AM EST	Areal Flood Advisory	ILN	Adams, Brown, Scioto	3 hr
Mar 1, 4:48 AM EST	Flash Flood Warning	ILN	Adams, Brown, Scioto	6 hr
Mar 1, 5:12 AM EST	Severe Thunderstorm Warning	ILN	Champaign, Clark, Delaware, Greene, Logan, Madison and 3 more	48 min
Mar 1, 5:17 AM EST	Special Weather Statement	ILN	Butler, Preble	28 min
Mar 1, 5:29 AM EST	River Flood Warning	ILN	Clermont, Hamilton	20 hr
Mar 1, 5:31 AM EST	Areal Flood Advisory	ILN	Scioto	119 min
Mar 1, 5:46 AM EST	Flash Flood Warning	ILN	Scioto	4 hr
Mar 1, 5:53 AM EST	Severe Thunderstorm Warning	ILN	Adams, Scioto	21 min
Mar 1, 5:53 AM EST	Severe Thunderstorm Warning	ILN	Fayette, Greene, Madison	26 min
Mar 1, 6:13 AM EST	Severe Thunderstorm Warning	ILN	Scioto	19 min
Mar 1, 6:30 AM EST	Severe Thunderstorm Warning	ILN	Butler, Hamilton	30 min
Mar 1, 6:39 AM EST	Severe Thunderstorm Warning	ILN	Hamilton	36 min
Mar 1, 6:48 AM EST	Severe Thunderstorm Warning	ILN	Brown, Butler, Clermont, Clinton, Greene, Hamilton and 2 more	42 min
Mar 1, 6:58 AM EST	River Flood Warning	ILN	Clermont, Hamilton, Warren	19 hr
Mar 1, 7:00 AM EST	Severe Thunderstorm Warning	ILN	Brown, Clermont, Hamilton	45 min
Mar 1, 7:22 AM EST	Severe Thunderstorm Warning	ILN	Adams, Brown	53 min
Mar 1, 7:22 AM EST	Severe Thunderstorm Warning	ILN	Clinton, Fayette, Greene, Highland, Pickaway, Ross	23 min
Mar 1, 7:43 AM EST	Severe Thunderstorm Warning	ILN	Highland, Pike, Ross	47 min
Mar 1, 7:58 AM EST	Severe Thunderstorm Warning	ILN	Pike, Scioto	47 min
Mar 1, 8:04 AM EST	Tornado Warning	ILN	Adams, Scioto	14 min
Mar 1, 8:06 AM EST	Areal Flood Advisory	ILN	Adams, Pike, Scioto	84 min
Mar 1, 8:24 AM EST	Severe Thunderstorm Warning	ILN	Scioto	25 min
Mar 1, 9:24 AM EST	Areal Flood Warning	ILN	Hamilton	51 min
Mar 1, 9:28 AM EST	Areal Flood Warning	ILN	Hocking, Pickaway, Ross	3 hr
Mar 1, 9:44 AM EST	Areal Flood Warning	ILN	Brown, Clermont, Clinton, Fayette, Hamilton, Highland and 1 more	3 hr
Mar 1, 10:11 AM EST	Areal Flood Warning	ILN	Adams, Brown, Scioto	9 hr
Mar 1, 10:29 AM EST	Wind Advisory	ILN	Adams, Auglaize, Brown, Butler, Champaign, Clark and 26 more	18 hr
Mar 1, 10:31 AM EST	Areal Flood Advisory	ILN	Butler, Hamilton, Warren	89 min
Mar 1, 10:39 AM EST	River Flood Warning	ILN	Hocking	31 hr
Mar 1, 11:24 AM EST	River Flood Warning	ILN	Adams	17 hr
Mar 1, 12:12 PM EST	River Flood Warning	ILN	Pike, Scioto	62 hr
Mar 1, 12:27 PM EST	Areal Flood Warning	ILN	Hocking, Pickaway, Ross	3 hr
Mar 1, 1:04 PM EST	River Flood Warning	ILN	Ross	5 hr
Mar 1, 2:14 PM EST	Special Weather Statement	ILN	Champaign, Clark, Greene, Union, Warren	46 min
Mar 1, 2:51 PM EST	Special Weather Statement	ILN	Delaware, Franklin, Madison	39 min
Mar 1, 3:02 PM EST	Special Weather Statement	ILN	Clermont, Clinton, Fayette, Highland, Pickaway	43 min
Mar 1, 3:23 PM EST	Special Weather Statement	ILN	Fairfield, Licking	52 min
Mar 1, 3:29 PM EST	Areal Flood Advisory	ILN	Hocking, Ross	2 hr
Mar 1, 3:36 PM EST	Special Weather Statement	ILN	Highland, Pickaway, Ross	39 min
Mar 1, 6:14 PM EST	Areal Flood Advisory	ILN	Hocking, Ross	2 hr
Mar 1, 2:52 AM EST	Special Weather Statement	ILN	Boone, Gallatin, Grant, Kenton	53 min
Mar 1, 3:04 AM EST	Severe Thunderstorm Warning	ILN	Boone, Campbell, Gallatin, Kenton	41 min
Mar 1, 3:17 AM EST	Special Weather Statement	ILN	Carroll, Grant, Owen	28 min
Mar 1, 4:04 AM EST	Severe Thunderstorm Warning	ILN	Lewis, Mason	26 min
Mar 1, 4:39 AM EST	Tornado Warning	ILN	Lewis, Mason	15 min

Nearby

Flash Flood Warnings in Ohio, 2017 Flash Flood Warnings in Kentucky, 2017 Every flash flood warning in 2017

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.